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Subject: RE: snapshot enhancements functional spec
Date: Fri, 26 Oct 2007 19:59:36 -0700
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E05BFE8F9@onstor-exch02.onstor.net>
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Thread-Topic: snapshot enhancements functional spec
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References: <BB375AF679D4A34E9CA8DFA650E2B04E05DA1A2E@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E06383DA4@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E06383DBE@onstor-exch02.onstor.net>
From: "Paul Hammer" <paul.hammer@onstor.com>
To: "Jobi Ariyamannil" <jobi.ariyamannil@onstor.com>,
	"Tim Gardner" <tim.gardner@onstor.com>,
	"Henry Lau" <henry.lau@onstor.com>
Cc: "dl-Design Review" <dl-designreview@onstor.com>

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This is a good feature for us to have a meeting on to close on the open =
items.

________________________________

From: Jobi Ariyamannil
Sent: Fri 10/26/2007 4:41 PM
To: Tim Gardner; Henry Lau; Paul Hammer
Cc: dl-Design Review
Subject: RE: snapshot enhancements functional spec



If snapshots schedules overlap, only one snapshot is taken today.

So customers may want to have both weekly and daily snapshots taken on =
the same day because of the different retention policies.

=20

As far as we understand, the requirement of this feature planned in R98 =
is stated below.

=20

Provide an option to configure a day and hour at which weekly snapshots =
are taken instead of the default Sunday midnight.

Provide an option to configure hour at which daily snapshots are taken =
instead of the default midnight.=20

=20

If there is something more than that is needed (including changing the =
any other current behavior), let us have a different project for the =
same.

=20

Regards,

Jobi

=20

________________________________

From: Tim Gardner=20
Sent: Friday, October 26, 2007 4:29 PM
To: Henry Lau; Paul Hammer
Cc: dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

Actually, DOW, DOM, HOD are very easy to understand. HOW is the one that =
is problematic.

I agree with Paul. Need a better name for describing the hour of the day =
that is used for the weekly snapshot.

=20

I thought that in the meeting we agreed that there was no need for this =
and that it was desirable for the daily and

weekly snapshots to fire at the same hour. This means HOW can go away.

=20

________________________________

From: Henry Lau=20
Sent: Friday, October 26, 2007 4:26 PM
To: Paul Hammer
Cc: dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

I bet no one can understand what are DOW, DOM, HOD, HOW... unless he/she =
read the help page.

=20

Henry

=20

________________________________

From: Paul Hammer=20
Sent: Friday, October 26, 2007 4:18 PM
To: Henry Lau; dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

Think HOW is not correct, at least having a hard time understanding what =
it really means.=20

=20

________________________________

From: Henry Lau=20
Sent: Friday, October 26, 2007 3:23 PM
To: dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

Having discussed with Charissa, we will follow the rule as

=20

DOW   - Day of week (1 Monday  - 7 Sunday)=20

HOD   -  Hour of Day  (1 - 24)

HOW -   Hour of week (1 - 24)

=20

Henry

=20

________________________________

From: Charissa Willard=20
Sent: Friday, October 26, 2007 3:06 PM
To: Henry Lau
Cc: Joshua Goldenhar; dl-Design Review
Subject: FW: snapshot enhancements functional spec

=20

Actually it looks like the -t option is used to specify the "Hour Of =
Day" (HOD) value and -h is used to specify the max number of hourly =
snapshots for the "snapshot schedule" command. There is no "hour of =
week" option. Nonetheless, note that the -h option is used to specify =
the HOD in the commands with other schedule parameters.

=20

________________________________

From: Charissa Willard=20
Sent: Friday, October 26, 2007 2:50 PM
To: Henry Lau
Cc: Joshua Goldenhar; dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

The help text for the snapshot schedule parameters should be consistent =
with the help text for existing commands that also have schedule =
parameters. For example, the mirror schedule refers to "Day of =
[Month|Week]", where we specify the option values as DOM and DOW, =
respectively. Likewise, we have "Hour of [day]" (should be "-h HOD"). =
Now we will add to that "Hour of [week]" (should be "-t HOW"). We should =
stick to this convention. This is the current help text for the mirror =
schedule. We will need to change the mirror schedule help text for hour =
from "-h HOUR" to "-h HOD" to be consistent.

=20

        -d DOM                  Specifies the day in a month that =
initiates a

                                mirror session. Valid values range from =
1 to 31

                                where 1 is the first of the month and 31 =
is the

                                last day of the month.

        -D DOW                  Specifies the day of the week that =
initiates a

                                mirror session. Valid values range from =
0 to

                                6 where 0 is Sunday and 6 is Saturday.

        -h HOUR                 Specifies the hour of the day that =
initiates a

                                mirror session. Valid values range from =
0 to 23

                                where 0 is midnight and 23 is 11:00 p.m.

=20

=20

________________________________

From: Henry Lau=20
Sent: Friday, October 26, 2007 2:37 PM
To: Joshua Goldenhar
Cc: dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

Hi Joshua,

=20

Please see comments below.

=20

Henry

=20

________________________________

From: Joshua Goldenhar=20
Sent: Friday, October 26, 2007 2:15 PM
To: Henry Lau; dl-Design Review
Subject: RE: snapshot enhancements functional spec

=20

I have the following inputs on the snapshot enhancements:

=20

1)       Terminology (help, CLI):

a.       The names for the parameters are inconsistent and might lead to =
confusion. For example, the existing parameters for -d and -w are =
MAXDAILY and MAXWEEKLY respectively. Yet the new proposed -D option =
parameter is WEEKDAY. To me, this can be interpreted as WEEKLYDAY (which =
is what we want) or WEEKDAILY. Same problem for -H WEEKHOUR (WEEKLYHOUR =
or WEEKHOURLY??).  With that, I'd like to see:

                                                               i.      =
-D WEEKLYDAY

                                                             ii.      -H =
WEEKLYHOUR

                                                            iii.      -t =
DAILYHOUR

=20

>>  WEEKDAY/WEEKHOUR/DAYHOUR were decided from the last review meeting.=20

=20

2)        Operations:

a.       Conflicts.

                                                               i.      I =
don't agree with the proposed solution of:

"If the schedules of the weekly, daily, and hourly snapshots are =
conflicted, only the weekly snapshot will be taken. If the schedules of =
the daily and hourly snapshot are conflicted, only the daily snapshot =
will be taken."

Weekly vs. daily vs. hourly snapshots have different purposes for the =
end users. Often, snapshots are differentiated for retention policy - =
that is, you might keep around 12 hourlies, 6 Dailies and 2 weeklies =
which gives you a scale of restore options that goes from highly =
granular for more recent snapshots to less granular for older snapshots. =
The proposed conflict resolution would in essence still have snapshots =
for the time periods in question (since the midnight daily would take =
the place of the midnight hourly) but it makes me work hard as an =
administrator to do my retention rules and difficult for end-users who =
will behave like end-users...

Can we not do both snapshots? If not simultaneously, can we queue one to =
start after the other completes?

Or could we handle it by simply checking the existing schedule and =
disallowing conflicts (may require allowing admin to specify minute as =
well).

=20

>> It is not a proposed solution, it behaved the way that previous =
releases did. Please check the current help snap show. We are not going =
to make changes in this release.

-Josh=20

Josh Goldenhar=20
Phone: 408 963 2408, Cell: 408 547 7693=20

________________________________

From: Henry Lau=20
Sent: Thursday, October 25, 2007 5:37 PM
To: dl-Design Review
Subject:=20

=20

Hi,

=20

I separate the original doc into 2 separate docs, one for schedule =
snapshot enhancement and one for auto-removal of snapshots. Information =
is updated.=20

=20

The doc for schedule snapshot enhancement is attached and also copied to =
/n/software/FileSystem.

The doc for auto-removal of snapshots will be sent later and will be =
reviewed again with the Marketing input.

=20

Thanks,

Henry

=20

=20

Henry Lau
Software engineer

ONStor, Inc.
office: 408.963-2486

Henry.lau@onstor.com=20
http://www.onstor.com <http://www.onstor.com/>=20

=20

=20


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<DIV id=3DidOWAReplyText58051 dir=3Dltr>=0A=
<DIV dir=3Dltr><FONT face=3DArial color=3D#000000 size=3D2></FONT>This =
is a good feature for us to have a meeting on to close on the open =
items.<BR>=0A=
<HR tabIndex=3D-1>=0A=
<FONT face=3DTahoma size=3D2><B>From:</B> Jobi =
Ariyamannil<BR><B>Sent:</B> Fri 10/26/2007 4:41 PM<BR><B>To:</B> Tim =
Gardner; Henry Lau; Paul Hammer<BR><B>Cc:</B> dl-Design =
Review<BR><B>Subject:</B> RE: snapshot enhancements functional =
spec<BR></FONT><BR></DIV></DIV>=0A=
<DIV>=0A=
<DIV class=3DSection1>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">If snapshots =
schedules overlap, only one snapshot is taken today.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">So customers =
may want to have both weekly and daily snapshots taken on the same day =
because of the different retention policies.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">As far as we =
understand, the requirement of this feature planned in R98 is stated =
below.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Provide an =
option to configure a day and hour at which weekly snapshots are taken =
instead of the default Sunday midnight.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Provide an =
option to configure hour at which daily snapshots are taken instead of =
the default midnight. </SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">If there is =
something more than that is needed (including changing the any other =
current behavior), let us have a different project for the =
same.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Regards,</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Jobi</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Tim Gardner <BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, October 26, 2007 =
4:29 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Henry =
Lau; Paul Hammer<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> =
dl-Design Review<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B> RE: snapshot enhancements functional =
spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Actually, =
DOW, DOM, HOD are very easy to understand. HOW is the one that is =
problematic.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I agree with =
Paul. Need a better name for describing the hour of the day that is used =
for the weekly snapshot.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I thought =
that in the meeting we agreed that there was no need for this and that =
it was desirable for the daily and</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">weekly =
snapshots to fire at the same hour. This means HOW can go =
away.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Henry Lau <BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, October 26, 2007 =
4:26 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Paul =
Hammer<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> dl-Design =
Review<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: =
snapshot enhancements functional spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I bet no one =
can understand what are DOW, DOM, HOD, HOW&#8230; unless he/she read the =
help page.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Henry</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Paul Hammer <BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, October 26, 2007 =
4:18 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Henry =
Lau; dl-Design Review<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B> RE: snapshot enhancements functional =
spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Think HOW is =
not correct, at least having a hard time understanding what it really =
means. </SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Henry Lau <BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, October 26, 2007 =
3:23 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> dl-Design =
Review<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: =
snapshot enhancements functional spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Having =
discussed with Charissa, we will follow the rule as</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">DOW&nbsp;&nbsp; - Day of week (1 Monday &nbsp;&#8211; 7 Sunday) =
</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">HOD&nbsp;&nbsp; -&nbsp; Hour of Day&nbsp; (1 &#8211; =
24)</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">HOW =
-&nbsp;&nbsp; Hour of week (1 &#8211; 24)</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Henry</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Charissa Willard =
<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, =
October 26, 2007 3:06 PM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">To:</SPAN></B> Henry Lau<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Cc:</SPAN></B> Joshua Goldenhar; dl-Design Review<BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> FW: snapshot =
enhancements functional spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D1><SPAN =
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: 'Courier New'">Actually it looks =
like the &#8211;t option is used to specify the &#8220;Hour Of =
Day&#8221; (HOD) value and &#8211;h is used to specify the max number of =
hourly snapshots for the &#8220;snapshot schedule&#8221; command. There =
is no &#8220;hour of week&#8221; option. Nonetheless, note that the =
&#8211;h option is used to specify the HOD in the commands with other =
schedule parameters.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D1><SPAN =
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: 'Courier =
New'"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Charissa Willard =
<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, =
October 26, 2007 2:50 PM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">To:</SPAN></B> Henry Lau<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Cc:</SPAN></B> Joshua Goldenhar; dl-Design Review<BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: snapshot =
enhancements functional spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D1><SPAN =
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: 'Courier New'">The help text for =
the snapshot schedule parameters should be consistent with the help text =
for existing commands that also have schedule parameters. For example, =
the mirror schedule refers to &#8220;Day of [Month|Week]&#8221;, where =
we specify the option values as DOM and DOW, respectively. Likewise, we =
have &#8220;Hour of [day]&#8221; (should be &#8220;-h HOD&#8221;). Now =
we will add to that &#8220;Hour of [week]&#8221; (should be &#8220;-t =
HOW&#8221;). We should stick to this convention. This is the current =
help text for the mirror schedule. We will need to change the mirror =
schedule help text for hour from &#8220;-h HOUR&#8221; to &#8220;-h =
HOD&#8221; to be consistent.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D1><SPAN =
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: 'Courier =
New'"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -d =
DOM&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Specifies the day in a month that =
initiates a</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mirror session. Valid =
values range from 1 to 31</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; where 1 is the first of =
the month and 31 is the</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;last <FONT color=3Dblack><SPAN style=3D"COLOR: black">day of =
</SPAN></FONT>the month.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -D =
DOW&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Specifies the <FONT color=3Dblack><SPAN =
style=3D"COLOR: black">day of </SPAN></FONT>the week that initiates =
a</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mirror session. Valid =
values range from 0 to</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 6 where 0 is Sunday and 6 =
is Saturday.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -h =
HOUR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp; Specifies the hour of the day that initiates =
a</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mirror session. Valid =
values range from 0 to 23</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: 'Courier =
New'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; where 0 is midnight and =
23 is 11:00 p.m.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D1><SPAN =
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: 'Courier =
New'"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3D"Courier New" size=3D1><SPAN =
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: 'Courier =
New'"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Henry Lau <BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, October 26, 2007 =
2:37 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> Joshua =
Goldenhar<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Cc:</SPAN></B> =
dl-Design Review<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">Subject:</SPAN></B> RE: snapshot enhancements functional =
spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi =
Joshua,</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Please see =
comments below.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Henry</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Joshua Goldenhar =
<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Friday, =
October 26, 2007 2:15 PM<BR><B><SPAN style=3D"FONT-WEIGHT: =
bold">To:</SPAN></B> Henry Lau; dl-Design Review<BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> RE: snapshot =
enhancements functional spec</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I have the =
following inputs on the snapshot enhancements:</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in; TEXT-INDENT: =
-0.25in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN>1)<FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Terminology (help, CLI):</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 1in; TEXT-INDENT: =
-0.25in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN>a.<FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">The names for the parameters are inconsistent and might lead to =
confusion. For example, the existing parameters for &#8211;d and =
&#8211;w are MAXDAILY and MAXWEEKLY respectively. Yet the new proposed =
&#8211;D option parameter is WEEKDAY. To me, this can be interpreted as =
WEEKLYDAY (which is what we want) or WEEKDAILY. Same problem for =
&#8211;H WEEKHOUR (WEEKLYHOUR or WEEKHOURLY??).&nbsp; With that, =
I&#8217;d like to see:</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 1.5in; TEXT-INDENT: =
-1.5in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN><FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; </SPAN></FONT>i.<FONT face=3D"Times New Roman" =
size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">&#8211;D WEEKLYDAY</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 1.5in; TEXT-INDENT: =
-1.5in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN><FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp; </SPAN></FONT>ii.<FONT face=3D"Times New Roman" size=3D1><SPAN =
style=3D"FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">&#8211;H WEEKLYHOUR</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 1.5in; TEXT-INDENT: =
-1.5in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN><FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT>iii.<FONT face=3D"Times New Roman" size=3D1><SPAN =
style=3D"FONT: 7pt 'Times New Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">&#8211;t DAILYHOUR</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">&gt;&gt;&nbsp; WEEKDAY/WEEKHOUR/DAYHOUR were decided from the =
last review meeting. </SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 0.5in; TEXT-INDENT: =
-0.25in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN>2)<FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">&nbsp;Operations:</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 1in; TEXT-INDENT: =
-0.25in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN>a.<FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">Conflicts.</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 1.5in; TEXT-INDENT: =
-1.5in"><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><SPAN><FONT =
face=3D"Times New Roman" size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp=
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;=
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp; </SPAN></FONT>i.<FONT face=3D"Times New Roman" =
size=3D1><SPAN style=3D"FONT: 7pt 'Times New =
Roman'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</SPAN></FONT></SPAN></SPAN></FONT><FONT face=3DArial color=3Dnavy =
size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial">I don&#8217;t agree with the proposed solution =
of:</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 99pt"><FONT face=3DArial =
color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; =
FONT-FAMILY: Arial">&#8220;</SPAN></FONT>If the schedules of the weekly, =
daily, and hourly snapshots are conflicted, only the weekly snapshot =
will be taken. If the schedules of the daily and hourly snapshot are =
conflicted, only the daily snapshot will be taken.&#8221;<FONT =
face=3DArial color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: 10pt; =
COLOR: navy; FONT-FAMILY: Arial"></SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 99pt"><FONT face=3DArial =
color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; =
FONT-FAMILY: Arial">Weekly vs. daily vs. hourly snapshots have different =
purposes for the end users. Often, snapshots are differentiated for =
retention policy &#8211; that is, you might keep around 12 hourlies, 6 =
Dailies and 2 weeklies which gives you a scale of restore options that =
goes from highly granular for more recent snapshots to less granular for =
older snapshots. The proposed conflict resolution would in essence still =
have snapshots for the time periods in question (since the midnight =
daily would take the place of the midnight hourly) but it makes me work =
hard as an administrator to do my retention rules and difficult for =
end-users who will behave like end-users&#8230;</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 99pt"><FONT face=3DArial =
color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; =
FONT-FAMILY: Arial">Can we not do both snapshots? If not simultaneously, =
can we queue one to start after the other completes?</SPAN></FONT></P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 99pt"><FONT face=3DArial =
color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: 10pt; COLOR: navy; =
FONT-FAMILY: Arial">Or could we handle it by simply checking the =
existing schedule and disallowing conflicts (may require allowing admin =
to specify minute as well).</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: =
Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial color=3Dnavy size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">&gt;&gt; It =
is not a proposed solution, it behaved the way that previous releases =
did. Please check the current help snap show. We are not going to make =
changes in this release.</SPAN></FONT></P>=0A=
<DIV>=0A=
<P><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: =
10pt; COLOR: navy; FONT-FAMILY: Arial">-Josh</SPAN></FONT><FONT =
color=3Dnavy><SPAN style=3D"COLOR: navy"> </SPAN></FONT></P>=0A=
<P><FONT face=3DArial color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: =
10pt; COLOR: navy; FONT-FAMILY: Arial">Josh Goldenhar</SPAN></FONT><FONT =
color=3Dnavy><SPAN style=3D"COLOR: navy"> <BR></SPAN></FONT><FONT =
face=3DArial color=3Dnavy size=3D2><SPAN style=3D"FONT-SIZE: 10pt; =
COLOR: navy; FONT-FAMILY: Arial">Phone: 408 963 2408, Cell: 408 547 =
7693</SPAN></FONT><FONT color=3Dnavy><SPAN style=3D"COLOR: navy"> =
</SPAN></FONT></P></DIV>=0A=
<DIV>=0A=
<DIV class=3DMsoNormal style=3D"TEXT-ALIGN: center" align=3Dcenter><FONT =
face=3D"Times New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt">=0A=
<HR tabIndex=3D-1 align=3Dcenter width=3D"100%" SIZE=3D2>=0A=
</SPAN></FONT></DIV>=0A=
<P class=3DMsoNormal><B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: =
Tahoma">From:</SPAN></FONT></B><FONT face=3DTahoma size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> Henry Lau <BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, October 25, 2007 =
5:37 PM<BR><B><SPAN style=3D"FONT-WEIGHT: bold">To:</SPAN></B> dl-Design =
Review<BR><B><SPAN style=3D"FONT-WEIGHT: bold">Subject:</SPAN></B> =
</SPAN></FONT></P></DIV>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">Hi,</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial">I separate the original =
doc into 2 separate docs, one for schedule snapshot enhancement and one =
for auto-removal of snapshots. Information is updated. </SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoBodyText><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt">The doc for schedule snapshot enhancement is =
attached and also copied to /n/software/FileSystem.</SPAN></FONT></P>=0A=
<P class=3DMsoBodyText><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt">The doc for auto-removal of snapshots will be =
sent later and will be reviewed again with the Marketing =
input.</SPAN></FONT></P>=0A=
<P class=3DMsoBodyText><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoBodyText><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt">Thanks,</SPAN></FONT></P>=0A=
<P class=3DMsoBodyText><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt">Henry</SPAN></FONT></P>=0A=
<P class=3DMsoBodyText><FONT face=3DArial size=3D2><SPAN =
style=3D"FONT-SIZE: 10pt"></SPAN></FONT>&nbsp;</P>=0A=
<P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt"><FONT face=3D"Times =
New Roman" size=3D3><SPAN style=3D"FONT-SIZE: 12pt"><IMG =
id=3D_x0000_i1025 height=3D38 src=3D"image001.gif" =
width=3D332></SPAN></FONT></P>=0A=
<TABLE class=3DMsoNormalTable style=3D"WIDTH: 249pt" cellSpacing=3D0 =
cellPadding=3D0 width=3D332 border=3D0>=0A=
<TBODY>=0A=
<TR>=0A=
<TD style=3D"PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; =
WIDTH: 112.5pt; PADDING-TOP: 0in" vAlign=3Dtop width=3D150>=0A=
<P class=3DMsoNormal style=3D"MARGIN-BOTTOM: 12pt"><STRONG><B><FONT =
face=3DVerdana size=3D1><SPAN style=3D"FONT-SIZE: 7.5pt; FONT-FAMILY: =
Verdana">Henry Lau</SPAN></FONT></B></STRONG><FONT face=3DVerdana =
size=3D1><SPAN style=3D"FONT-SIZE: 7.5pt; FONT-FAMILY: =
Verdana"><BR>Software engineer<BR><BR>ONStor, Inc.<BR><B><SPAN =
style=3D"FONT-WEIGHT: bold">office:</SPAN></B> =
408.963-2486</SPAN></FONT></P>=0A=
<P class=3DMsoNormal><FONT face=3DVerdana size=3D1><SPAN =
style=3D"FONT-SIZE: 7.5pt; FONT-FAMILY: Verdana">Henry.lau@onstor.com =
<BR><A href=3D"http://www.onstor.com/"><B><FONT color=3D#005c8f><SPAN =
style=3D"FONT-WEIGHT: bold; COLOR: #005c8f; TEXT-DECORATION: =
none">http://www.onstor.com</SPAN></FONT></B></A></SPAN></FONT></P></TD>=0A=
<TD style=3D"PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; =
WIDTH: 112.5pt; PADDING-TOP: 0in" vAlign=3Dtop width=3D150>=0A=
<P class=3DMsoNormal><IMG height=3D133 src=3D"image002.gif" width=3D105 =
align=3Dright><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: 12pt"></SPAN></FONT></P></TD></TR></TBODY></TABLE>=0A=
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN =
style=3D"FONT-SIZE: =
12pt"></SPAN></FONT>&nbsp;</P></DIV></DIV></BODY></HTML>
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