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Subject: RE: Mirroring is broken in sub8
Date: Fri, 15 Feb 2008 16:56:38 -0700
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E08627489@onstor-exch02.onstor.net>
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Thread-Topic: Mirroring is broken in sub8
Thread-Index: AchwLRi9dgIDAYehQcy5zHEA3nrmYwAAFqSQAAA6X6A=
From: "Vikas Saini" <vikas.saini@onstor.com>
To: "Jobi Ariyamannil" <jobi.ariyamannil@onstor.com>,
	"dl-Cougar" <dl-Cougar@onstor.com>

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Cool... Thanks Jobi...=20

=20

Vikas

=20

=20

________________________________

From: Jobi Ariyamannil=20
Sent: Friday, February 15, 2008 3:55 PM
To: Vikas Saini; dl-Cougar
Subject: RE: Mirroring is broken in sub8

=20

The first two issues are not really mirror issues.

For the 3rd part,

22346 - no core dump available.  You may eek the volume to see whether
it was due to corruption.

22353 - already fixed.

22387 - duplicate of TED00022235.  This is a pre-existing bug caught by
newly added assert.  I am investigating this problem.

=20

That said, I uncovered some more bugs in our mirror code and fixes for
them are also coming.

=20

Regards,

Jobi

=20

________________________________

From: Vikas Saini=20
Sent: Friday, February 15, 2008 3:47 PM
To: dl-Cougar
Subject: Mirroring is broken in sub8
Importance: High

=20

Hi All,

    We have 3 major mirror related problems in sub8.=20

=20

1)       Can't create mirror volumes for pre sub8 standard volumes.
Defect 22349

2)       Pre sub8 mirrors will not come online.  Defect 22360

3)       Quite a bit of FP crashes during mirror operations. Defect
22346, 22353, 22387=20

=20

Can we have some resolution to these issues ASAP.

=20

Thanks

Vikas

=20


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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Cool&#8230; Thanks Jobi&#8230; =
<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>Vikas<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

<div class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><font =
size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> Jobi =
Ariyamannil
<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Friday, February =
15, 2008
3:55 PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> Vikas Saini; =
dl-Cougar<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> RE: Mirroring is =
broken
in sub8</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>The first two issues are not really =
mirror
issues.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>For the 3<sup>rd</sup> =
part,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>22346 &#8211; no core dump
available.&nbsp; You may eek the volume to see whether it was due to
corruption.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>22353 &#8211; already =
fixed.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>22387 &#8211; duplicate of =
</span></font>TED00022235.&nbsp;
This is a pre-existing bug caught by newly added assert.&nbsp; I am
investigating this problem.<o:p></o:p></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>That said, I uncovered some more bugs in our mirror code and =
fixes for
them are also coming.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>Regards,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'>Jobi</span></font><font size=3D2 color=3Dnavy face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'><o:p></o:p></span=
></font></p>

<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<div>

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size=3D3
face=3D"Times New Roman"><span style=3D'font-size:12.0pt'>

<hr size=3D2 width=3D"100%" align=3Dcenter tabindex=3D-1>

</span></font></div>

<p class=3DMsoNormal><b><font size=3D2 face=3DTahoma><span =
style=3D'font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font =
size=3D2
face=3DTahoma><span style=3D'font-size:10.0pt;font-family:Tahoma'> =
<st1:PersonName
w:st=3D"on">Vikas Saini</st1:PersonName> <br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Friday, February =
15, 2008
3:47 PM<br>
<b><span style=3D'font-weight:bold'>To:</span></b> dl-Cougar<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> Mirroring is =
broken in
sub8<br>
<b><span style=3D'font-weight:bold'>Importance:</span></b> =
High</span></font><o:p></o:p></p>

</div>

<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Hi All,<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;&nbsp;&nbsp; We have 3 major mirror related =
problems
in sub8. <o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 =
lfo2'><![if !supportLists]><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><span
style=3D'mso-list:Ignore'>1)<font size=3D1 face=3D"Times New =
Roman"><span
style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></font></span></span></font><![endif]><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Can&#8217;t
create mirror volumes for pre sub8 standard volumes. Defect =
22349<o:p></o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 =
lfo2'><![if !supportLists]><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><span
style=3D'mso-list:Ignore'>2)<font size=3D1 face=3D"Times New =
Roman"><span
style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></font></span></span></font><![endif]><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Pre sub8
mirrors will not come online.&nbsp; Defect =
22360<o:p></o:p></span></font></p>

<p class=3DMsoNormal =
style=3D'margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 =
lfo2'><![if !supportLists]><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'><span
style=3D'mso-list:Ignore'>3)<font size=3D1 face=3D"Times New =
Roman"><span
style=3D'font:7.0pt "Times New =
Roman"'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
</span></font></span></span></font><![endif]><font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'>Quite a bit
of FP crashes during mirror operations. <st1:place w:st=3D"on"><st1:City =
w:st=3D"on">Defect</st1:City>
 <st1:PostalCode w:st=3D"on">22346</st1:PostalCode>, <st1:PostalCode =
w:st=3D"on">22353</st1:PostalCode>,
 <st1:PostalCode w:st=3D"on">22387</st1:PostalCode></st1:place> =
<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Can we have some resolution to these issues =
ASAP.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thanks<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Vikas<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p>&nbsp;</o:p></span></font></p>

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