Veritas-bu

[Veritas-bu] Simultaneous restores

2004-09-09 12:55:38
Subject: [Veritas-bu] Simultaneous restores
From: david.chapa AT adic DOT com (David Chapa)
Date: Thu, 9 Sep 2004 10:55:38 -0600
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What's the MAX JOBS PER CLIENT set to globally?  Can't remember if that
setting goes for both backup and restore...(memory is fading...)
=20
You can change this for individual clients by using the bpclient command
on your Master Server.
=20
I'd also look at the bpdbm log during this time.
=20
David A. Chapa | ADIC | 720.272.8452 cell | http://www.adic.com
<http://www.adic.com> =20
Sr. Technical Advisor=20
=20
-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of Stump,
Robert (Contractor) (DRMS)
Sent: Wednesday, September 08, 2004 8:12 AM
To: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: [Veritas-bu] Simultaneous restores
=20
Three command line restores are successful if run one at a time.=20
It is desired to run them simultaneously.=20
Environment info=20
HP V2500 - 11.0 with 12 GB memory (this box is the master server)=20
StorageTek L700 4 DLT tape drives connected via tape SAN (Fiber
topology)=20
Netbackup 4.5FP3  NUMBER_DATA_BUFFERS=3D16 SIZE_DATA_BUFFERS=3D65536=20
command syntax=20
bprestore -L <logfilename.1> -C <client> -s <startdate> -e <enddate> -f
<file list.1>=20
bprestore -L <logfilename.2> -C <client> -s <startdate> -e <enddate> -f
<file list.2>=20
bprestore -L <logfilename.3> -C <client> -s <startdate> -e <enddate> -f
<file list.3>=20
The resulting observations=20
3 restores are started locally, on this V class, one right after another
(the 3 restores are running simultaneously on this box).  The 3 tapes
are mounted, positioned, and the restores start.  Whichever restore to
start first will run successfully, the other two fail with an error code
of 5.  These separate restores may be attempting to write to the same
filesystem/directory simultaneously. Methinks that would be the problem.

Log information=20
Unfortunately, I do not have any log information from this DR exercise.
Next exercise I will get at least the following logs and others that may
be suggested:=20
all logs report=20
bptm=20
bpbrm=20
Request=20
Any suggestions/comments about this would be appreciated.=20
regards,=20
Bob Stump=20
HP-UX Systems Administrator=20
Data Protection Administrator for Windows=20
Data Protection Administrator for UNIX=20
VERITAS Certified Professional=20
SAIC, DRMS-CS MidTier=20
robert.stump AT dla DOT mil=20
Phone (269) 961-7157=20
=20

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<p class=3DMsoNormal><font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial;color:navy'>What&#8217;s the MAX JOBS PER =
CLIENT set
to globally?<span style=3D'mso-spacerun:yes'>&nbsp; </span>Can&#8217;t =
remember if
that setting goes for both backup and restore<span =
class=3DGramE>&#8230;(</span>memory
is fading&#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'>You can change this for individual =
clients
by using the <span class=3DSpellE>bpclient</span> command on your Master =
Server.<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'>I&#8217;d also look at the <span
class=3DSpellE>bpdbm</span> log during this =
time.<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>

<p class=3DMsoPlainText><font size=3D1 color=3Dnavy face=3D"Arial =
Black"><span
style=3D'font-size:7.5pt;font-family:"Arial =
Black";mso-bidi-font-family:Arial;
color:navy;mso-no-proof:yes'>David A. Chapa</span></font><font size=3D1
color=3Dnavy face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial;
color:navy;mso-no-proof:yes'> | </span></font><font size=3D1 color=3Dred
face=3D"Arial Black"><span style=3D'font-size:7.5pt;font-family:"Arial =
Black";
mso-bidi-font-family:Arial;color:red;mso-no-proof:yes'>ADIC</span></font>=
<font
size=3D1 color=3Dnavy face=3DArial><span =
style=3D'font-size:7.5pt;font-family:Arial;
color:navy;mso-no-proof:yes'> | 720.272.8452 cell | </span></font><font
color=3Dnavy face=3DArial><span =
style=3D'font-family:Arial;color:navy;mso-no-proof:
yes'><a href=3D"http://www.adic.com";><font size=3D1><span =
style=3D'font-size:7.5pt'>http://www.adic.com</span></font></a></span></f=
ont><font
size=3D1 color=3Dnavy><span =
style=3D'font-size:7.5pt;color:navy;mso-no-proof:yes'> <br>
</span></font><font size=3D1 color=3Dnavy face=3DArial><span =
style=3D'font-size:7.5pt;
font-family:Arial;color:navy;mso-no-proof:yes'>Sr. Technical =
Advisor</span></font><font
size=3D1 color=3Dnavy><span =
style=3D'font-size:7.5pt;color:navy;mso-no-proof:yes'> =
</span></font><font
color=3Dnavy><span =
style=3D'color:navy;mso-no-proof:yes'><o:p></o:p></span></font></p>

</div>

<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 style=3D'margin-left:.5in'><font size=3D2 =
face=3DTahoma><span
style=3D'font-size:10.0pt;font-family:Tahoma'>-----Original =
Message-----<br>
<b><span style=3D'font-weight:bold'>From:</span></b>
veritas-bu-admin AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] <b><span =
style=3D'font-weight:
bold'>On Behalf Of </span></b>Stump, Robert (Contractor) (DRMS)<br>
<b><span style=3D'font-weight:bold'>Sent:</span></b> Wednesday, =
September 08,
2004 8:12 AM<br>
<b><span style=3D'font-weight:bold'>To:</span></b>
'veritas-bu AT mailman.eng.auburn DOT edu'<br>
<b><span style=3D'font-weight:bold'>Subject:</span></b> [Veritas-bu] =
Simultaneous
restores</span></font></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></font></p>

<p style=3D'margin-left:.5in'><font size=3D2 color=3Dnavy =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial;color:navy'>Three command =
line
restores are successful if run one at a time.</span></font> <br>
<font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;font-family:
Arial;color:navy'>It is desired to run them =
simultaneously.</span></font> <o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D2 face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial'>Environment info </span></font><br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>HP
V2500 - 11.0 with 12 GB memory (this box is the master =
server)</span></font> <br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>StorageTek
L700 4 DLT tape drives connected via tape SAN (Fiber =
topology)</span></font> <br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>Netbackup
4.5FP3&nbsp; NUMBER_DATA_BUFFERS=3D16 =
SIZE_DATA_BUFFERS=3D65536</span></font> <o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D2 face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial'>command syntax</span></font> <br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>bprestore
-L &lt;logfilename.1&gt; -C &lt;client&gt; -s &lt;startdate&gt; -e
&lt;enddate&gt; -f &lt;file list.1&gt;</span></font> <br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>bprestore
-L &lt;logfilename.2&gt; -C &lt;client&gt; -s &lt;startdate&gt; -e
&lt;enddate&gt; -f &lt;file list.2&gt;</span></font> <br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>bprestore
-L &lt;logfilename.3&gt; -C &lt;client&gt; -s &lt;startdate&gt; -e
&lt;enddate&gt; -f &lt;file list.3&gt;</span></font> <o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D2 face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial'>The resulting observations</span></font> <br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>3
restores are started locally, on this V class, one right after another =
(the 3
restores are running simultaneously on this box).&nbsp; The 3 tapes are
mounted, positioned, and the restores start.&nbsp; Whichever restore to =
start
first will run successfully, the other two fail with an error code of =
5.&nbsp;
These separate restores may be attempting to write to the same
filesystem/directory simultaneously. Methinks that would be the problem. =
</span></font><o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D3 color=3Dblack =
face=3DGaramond><span
style=3D'font-size:12.0pt;font-family:Garamond;color:black'>Log =
information</span></font>
<br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>Unfortunately,
I do not have any log information from this DR exercise.&nbsp; Next =
exercise I
will get at least the following logs and others that may be suggested: =
</span></font><o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D3 color=3Dnavy =
face=3DGaramond><span
style=3D'font-size:12.0pt;font-family:Garamond;color:navy'>all logs =
report</span></font>
<br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>bptm</span></font>
<br>
<font color=3Dnavy face=3DGaramond><span =
style=3D'font-family:Garamond;color:navy'>bpbrm</span></font>
<o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D2 face=3DArial><span =
style=3D'font-size:
10.0pt;font-family:Arial'>Request</span></font> <br>
<font size=3D2 color=3Dnavy face=3DArial><span =
style=3D'font-size:10.0pt;font-family:
Arial;color:navy'>Any suggestions/comments about this would be =
appreciated.</span></font>
<o:p></o:p></p>

<p style=3D'margin-left:.5in'><font size=3D2 color=3Dblack face=3D"Comic =
Sans MS"><span
style=3D'font-size:10.0pt;font-family:"Comic Sans =
MS";color:black'>regards,</span></font>
<br>
<font size=3D4 color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-size:13.5pt;
font-family:"Comic Sans MS";color:blue'>Bob Stump</span></font> <br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>HP-UX Systems</span></font> <font color=3Dblue face=3D"Comic =
Sans MS"><span
style=3D'font-family:"Comic Sans =
MS";color:blue'>Administrator</span></font> <br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>Data Protection Administrator for Windows</span></font> <br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>Data Protection Administrator for UNIX</span></font> <br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>VERITAS Certified Professional</span></font> <br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>SAIC, DRMS-CS MidTier </span></font><br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>robert.stump AT dla DOT mil</span></font> <br>
<font color=3Dblue face=3D"Comic Sans MS"><span =
style=3D'font-family:"Comic Sans MS";
color:blue'>Phone (269) 961-7157</span></font> <o:p></o:p></p>

<p class=3DMsoNormal style=3D'margin-left:.5in'><font size=3D3 =
face=3D"Times New Roman"><span
style=3D'font-size:12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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