X-MimeOLE: Produced By Microsoft Exchange V6.5
Received: by onstor-exch02.onstor.net 
	id <01C8175B.9568F954@onstor-exch02.onstor.net>; Thu, 25 Oct 2007 15:05:49 -0800
MIME-Version: 1.0
Content-Type: multipart/alternative;
	boundary="----_=_NextPart_001_01C8175B.9568F954"
Content-class: urn:content-classes:message
Subject: RE: Enabling/Disabling NFS shares
Date: Thu, 25 Oct 2007 15:05:35 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E063836EC@onstor-exch02.onstor.net>
In-Reply-To: <BB375AF679D4A34E9CA8DFA650E2B04E063836D3@onstor-exch02.onstor.net>
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
Thread-Topic: Enabling/Disabling NFS shares
Thread-Index: AcgXVzRkwbsK2rm5S5GfIQAtinbCqAAADBGQAAAnSSAAAAd6sAAAQS/gAAARjqAAABTdoAAAIkFw
References: <BB375AF679D4A34E9CA8DFA650E2B04E063836A0@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E063836A9@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E063836AE@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E063836B3@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E063836C5@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E063836CB@onstor-exch02.onstor.net> <BB375AF679D4A34E9CA8DFA650E2B04E063836D3@onstor-exch02.onstor.net>
From: "Jonathan Goldick" <jonathan.goldick@onstor.com>
To: "Eric Barrett" <eric.barrett@onstor.com>,
	"Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>,
	"Huy Duong" <huy.duong@onstor.com>,
	"dl-Customer Service Group" <csgroup@onstor.com>,
	"dl-se" <dl-se@onstor.com>,
	"dl-Software" <dl-software@onstor.com>,
	"dl-QA" <dl-qa@onstor.com>
Cc: "Narayan Venkat" <narayan.venkat@onstor.com>,
	"Joshua Goldenhar" <joshua.goldenhar@onstor.com>

This is a multi-part message in MIME format.

------_=_NextPart_001_01C8175B.9568F954
Content-Type: text/plain;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

That won't be an issue in SystemX; all commands update the DB first so
if you then crash the disable would still take effect.  Also given that
SystemX is a single operating system kernel, if you cannot run any
command before the crash you are in trouble, although the fact that you
can run the command on any node in the cluster helps.  We will no doubt
have to have a safe-boot option to address boot-crash loops.

As for an NFS-only induced crash, we could say that about any
protocol/component in the system.  I realize NFS is somewhat special in
that it retries the same operation as soon as the vsvr comes back up but
any protocol driven from a client can pound away in a similar manner,
like a management script, iSCSI, etc.  A crash loop for iSCSI is just as
possible, or one in the LVM layer that every protocol exercises, or file
system snapshotting, etc.

It's not a great management API to be able to enable/disable only one
protocol and disabling them one at a time while the system is in a crash
loop seems questionable as well.



_____________________________________________
From: Eric Barrett=20
Sent: Thursday, October 25, 2007 3:54 PM
To: Maxim Kozlovsky; Jonathan Goldick; Huy Duong; dl-Customer Service
Group; dl-se; dl-Software; dl-QA
Cc: Narayan Venkat; Joshua Goldenhar
Subject: RE: Enabling/Disabling NFS shares

That, and "vsvr disable" and "vol offline" tend to have lots of
dependencies, and be very slow, so usually the system is down before you
can finish them.  So if we get rid of the "nfs share disable" commands,
we need to ensure "vsvr disable" takes effect immediately, or at least
is remembered after reboot even if the system crashes a couple of
seconds into the disable process.


_____________________________________________=20
From: 	Maxim Kozlovsky =20
Sent:	Thursday, October 25, 2007 3:52 PM
To:	Jonathan Goldick; Huy Duong; dl-Customer Service Group; dl-se;
dl-Software; dl-QA
Cc:	Narayan Venkat; Joshua Goldenhar
Subject:	RE: Enabling/Disabling NFS shares

What if you have a multiprotocol volume and only NFS clients cause a
crash? Disabling NFS shares allows CIFS users to continue working until
the problem is fixed. Or if you know the client, you can disable only
affected share.

_____________________________________________
From: Jonathan Goldick=20
Sent: Thursday, October 25, 2007 3:50 PM
To: Maxim Kozlovsky; Huy Duong; dl-Customer Service Group; dl-se;
dl-Software; dl-QA
Cc: Narayan Venkat; Joshua Goldenhar
Subject: RE: Enabling/Disabling NFS shares

The same thing is achieved by 'volume offline" or "vsvr disable" or
disabling the IP addresses and it takes all protocols into account.


_____________________________________________
From: Maxim Kozlovsky=20
Sent: Thursday, October 25, 2007 3:42 PM
To: Huy Duong; Jonathan Goldick; dl-Customer Service Group; dl-se;
dl-Software; dl-QA
Cc: Narayan Venkat; Joshua Goldenhar
Subject: RE: Enabling/Disabling NFS shares

CIFS clients usually don't try to reconnect and do exactly the same
thing after a failure. They know better - after all, the product was
developed by Microsoft.

_____________________________________________
From: Huy Duong=20
Sent: Thursday, October 25, 2007 3:40 PM
To: Maxim Kozlovsky; Jonathan Goldick; dl-Customer Service Group; dl-se;
dl-Software; dl-QA
Cc: Narayan Venkat; Joshua Goldenhar
Subject: RE: Enabling/Disabling NFS shares

WE should have one or CIFS now that you mention it :-)=20

_____________________________________________
From: Maxim Kozlovsky=20
Sent: Thursday, October 25, 2007 3:39 PM
To: Jonathan Goldick; dl-Customer Service Group; dl-se; dl-Software;
dl-QA
Cc: Narayan Venkat; Joshua Goldenhar
Subject: RE: Enabling/Disabling NFS shares

I think it was useful when we entered a crash loop because of a bug in
NFS. Disabling a share prevents a client from connecting and crashing
the system. Since the occurrences of NFS crash loops became much less
frequent, the command lost most of its usefulness.

(I think we should preserve it, since when we will go to systemx we are
bound to have some crash loops. :-) )

_____________________________________________
From: Jonathan Goldick=20
Sent: Thursday, October 25, 2007 3:34 PM
To: dl-Customer Service Group; dl-se; dl-Software; dl-QA
Cc: Narayan Venkat; Joshua Goldenhar
Subject: Enabling/Disabling NFS shares

This question is in the context of SystemX but about the current
product.

We have a command to enable/disable NFS shares but not one for CIFS
shares.  "nfs disable share [all | PATHNAME]"

Does anyone ever use these commands given that they do not prevent CIFS
users from connecting and CIFS has no equivalent?  I'm trying to
determine whether to preserve the functionality in SystemX given the
limited value.

Unless I hear otherwise, this is going away in SystemX.


------_=_NextPart_001_01C8175B.9568F954
Content-Type: text/html;
	charset="us-ascii"
Content-Transfer-Encoding: quoted-printable

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV=3D"Content-Type" CONTENT=3D"text/html; =
charset=3Dus-ascii">
<META NAME=3D"Generator" CONTENT=3D"MS Exchange Server version =
6.5.7652.24">
<TITLE>RE: Enabling/Disabling NFS shares</TITLE>
</HEAD>
<BODY>
<!-- Converted from text/rtf format -->

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">T</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">hat</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">won</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">&#8217;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">t be an issue in</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">SystemX;</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> all commands update the DB first so if you then =
crash the disable would still take effect.&nbsp; Also given that =
SystemX</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">is a single operating =
system kernel, if you cannot run any command</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> before the crash you are in =
trouble</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">, =
although</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">the fact =
that</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">you can run the command =
on any node in the cluster</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> helps.</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&nbsp; We will no doubt have to have a safe-boot option =
to address boot</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">-</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">crash =
loops.</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">As for an NFS-only induced =
crash, we could say that about any</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">protocol/</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">component in the system.&nbsp;</FONT> <FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">I realize NFS is somewhat =
special in that it retries the same operation as soon as the vsvr comes =
back up</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">but any protocol driven =
from a client can pound away in a similar manner, like a management =
script, iSCSI, etc.</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&nbsp;</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">A crash =
loop for iSCSI is just as possible, or one in the LVM layer that every =
protocol exercises</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">, or file system snapshot</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">ting</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">, etc.</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">I</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">t</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&#8217;</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">s not a =
great management API to be able to enable/disable only one =
protocol</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial"></FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">and</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial"></FONT> =
<FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">disabling them one at a =
time while the system is in a</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">crash</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">loop seems questionable as =
well.</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 =
FACE=3D"Tahoma">_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Eric Barrett<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, October 25, =
2007 3:54 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Maxim Kozlovsky; Jonathan =
Goldick; Huy Duong; dl-Customer Service Group; dl-se; dl-Software; =
dl-QA<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"></FONT> <FONT SIZE=3D2 =
FACE=3D"Tahoma">Narayan Venkat; Joshua Goldenhar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> RE: Enabling/Disabling NFS shares</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Arial">That, and &quot;vsvr disable&quot; and &quot;vol =
offline&quot; tend to have lots of dependencies, and be very slow, so =
usually the system is down befor</FONT><FONT SIZE=3D2 FACE=3D"Arial">e =
you can finish them.&nbsp; So if we get rid of the &quot;nfs share =
disable&quot; commands, we need to ensure &quot;vsvr disable&quot; takes =
effect immediately, or at least is remembered after reboot even if the =
system crashes a couple of seconds into the disable =
process.</FONT></SPAN></P>
<BR>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D1 FACE=3D"Tahoma">_____</FONT><FONT SIZE=3D1 =
FACE=3D"Tahoma">________________________________________ =
</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D1 FACE=3D"Tahoma">From: =
&nbsp;</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT SIZE=3D1 FACE=3D"Tahoma">Maxim Kozlovsky&nbsp; =
</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D1 =
FACE=3D"Tahoma">Sent:&nbsp;&nbsp;</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D1 =
FACE=3D"Tahoma">Thursday, October 25, 2007 3:52 PM</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D1 =
FACE=3D"Tahoma">To:&nbsp;&nbsp;&nbsp;&nbsp;</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D1 =
FACE=3D"Tahoma">Jonathan Goldick; Huy Duong; dl-Customer Service Group; =
dl-se; dl-Software; dl-QA</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D1 =
FACE=3D"Tahoma">Cc:&nbsp;&nbsp;&nbsp;&nbsp;</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT SIZE=3D1 =
FACE=3D"Tahoma">Narayan Venkat; Joshua Goldenhar</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D1 =
FACE=3D"Tahoma">Subject:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>=
</B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT =
SIZE=3D1 FACE=3D"Tahoma">RE: Enabling/Dis</FONT><FONT SIZE=3D1 =
FACE=3D"Tahoma">abling NFS shares</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">What if you have a =
multiprotocol volume and only NFS clients cause a crash? Disabling NFS =
shares allows CIFS users to continue working until the problem is fixed. =
Or if you know the client, you can disable only affected =
share.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Tahoma">_________</FONT><FONT SIZE=3D2 =
FACE=3D"Tahoma">____________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Jonathan Goldick<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, October 25, =
2007 3:50 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Maxim Kozlovsky; Huy =
Duong; dl-Customer Service Group; dl-se; dl-Software; dl-QA<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Narayan Venkat; Joshua =
Goldenhar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> RE: Enabling/Disabling</FONT> <FONT SIZE=3D2 =
FACE=3D"Tahoma">NFS shares</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">The same thing is achieved =
by</FONT> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&#8216;</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">volume offline&#8221; or &#8220;vsvr disable&#8221; or =
disabling the IP addresses and it takes all protocols into =
account.</FONT></SPAN></P>
<BR>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 =
FACE=3D"Tahoma">_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Maxim Kozlovsky<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, October 25, =
2007 3:42 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Huy Duong; Jonathan =
Goldick; dl-Customer Service Group; dl-se; dl-Software; dl-QA<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Narayan Venkat; Joshua =
Goldenhar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> RE: Enabling/Disabling NFS shares</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">CIFS clients usually =
don</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">&#8217;</FONT><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">t try to reconnect and do exactly the same thing after a =
failure. They know better - after all, the product was developed by =
Microsoft.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 =
FACE=3D"Tahoma">_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Huy Duong<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, October 25, =
2007 3:40 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Maxim Kozlo</FONT><FONT =
SIZE=3D2 FACE=3D"Tahoma">vsky; Jonathan Goldick; dl-Customer Service =
Group; dl-se; dl-Software; dl-QA<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Narayan Venkat; Joshua =
Goldenhar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> RE: Enabling/Disabling NFS shares</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">WE should have one or CIFS now =
that you mention it</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"> <FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Wingdings">J</FONT></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial"> =
</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 =
FACE=3D"Tahoma">___________________________________________</FONT><FONT =
SIZE=3D2 FACE=3D"Tahoma">__<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Maxim Kozlovsky<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, October 25, =
2007 3:39 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Jonathan Goldick; =
dl-Customer Service Group; dl-se; dl-Software; dl-QA<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Narayan Venkat; Joshua =
Goldenhar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> RE: Enabling/Disabling NFS shares</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">I think it was useful when we =
ent</FONT><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">ered a crash =
loop because of a bug in NFS. Disabling a share prevents a client from =
connecting and crashing the system. Since the occurrences of NFS crash =
loops became much less frequent, the command lost most of its =
usefulness.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" SIZE=3D2 =
FACE=3D"Arial">(I think we should preserv</FONT><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial">e it, since when we will go to systemx we are =
bound to have some crash loops.</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"> <FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Wingdings">J</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT COLOR=3D"#000080" =
SIZE=3D2 FACE=3D"Arial"> )</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 =
FACE=3D"Tahoma">_____________________________________________<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">From:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Jonathan Goldick<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Sent:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> Thursday, October 25, =
2007 3:34 PM<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">To:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> dl-Customer Service =
Group; dl-se; dl-Software; dl-QA<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Cc:</FONT></B></SPAN><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Tahoma"> N</FONT><FONT SIZE=3D2 =
FACE=3D"Tahoma">arayan Venkat; Joshua Goldenhar<BR>
</FONT></SPAN><SPAN LANG=3D"en-us"><B></B></SPAN><SPAN =
LANG=3D"en-us"><B><FONT SIZE=3D2 =
FACE=3D"Tahoma">Subject:</FONT></B></SPAN><SPAN =
LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT SIZE=3D2 =
FACE=3D"Tahoma"> Enabling/Disabling NFS shares</FONT></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN LANG=3D"en-us"><FONT =
SIZE=3D2 FACE=3D"Arial">This question is in the context of SystemX but =
about the current product.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">We have =
a command to enable/disable NFS shares but not one for CIFS =
shares.&nbsp; &#8220;nfs disable share [all | PATHNA</FONT><FONT =
SIZE=3D2 FACE=3D"Arial">ME]&#8221;</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Does =
anyone ever use these commands given that they do not prevent CIFS users =
from connecting and CIFS has no equivalent?&nbsp; I</FONT><FONT SIZE=3D2 =
FACE=3D"Arial">&#8217;</FONT><FONT SIZE=3D2 FACE=3D"Arial">m trying to =
determine whether to preserve the functionality in SystemX given the =
limited value.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"><FONT SIZE=3D2 FACE=3D"Arial">Unless I =
hear otherwise, thi</FONT><FONT SIZE=3D2 FACE=3D"Arial">s is going away =
in SystemX.</FONT></SPAN></P>

<P DIR=3DLTR><SPAN LANG=3D"en-us"></SPAN><SPAN =
LANG=3D"en-us"></SPAN></P>

</BODY>
</HTML>
------_=_NextPart_001_01C8175B.9568F954--
