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Greetings,
We have issues performing restores of many small files. We are =
performing cold backups for our Oracle 11i instances which are about 95 =
Gig and include about 575k files. The backup times is about 3.5-4 =
hours, which really isn't an issue. But, when we try doing a restore, =
it take between 9-11 hours. I do have the Veritas NetBackup Performance =
Tuning white papers v. 1.51, and have a few questions about that. First =
of all, our indexing level is already set to 9, so that setting is =
confirmed. My next settings would be the buffer settings. Has any =
tried changing these and seen results? I looked at the =
SIZE_DATA_BUFFERS and for some reason they were set to 262144 or 256k. =
I changed them (according to the documentation) to 65536 or 64k. I =
noticed that the 256k buffer was also on the media server as well. Do =
the buffer sizes need to be identical for both master, media, and =
client? What about changes to the NUMBER_DATA_BUFFERS and =
NUMBER_DATA_BUFFERS_RESTORE?
Thanks,
Thomas Gravizi
Systems Administrator
STERIS Corporation - Mentor, OH
thomas_gravizi AT steris DOT com
440.392.7630 - Tel
440.350.7078 - Fax
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<TITLE>Improving Restore Times?</TITLE>
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<P><FONT SIZE=3D2 FACE=3D"Arial">Greetings,</FONT>
</P>
<P><FONT SIZE=3D2 FACE=3D"Arial">We have issues performing restores of =
many small files. We are performing cold backups for our Oracle =
11i instances which are about 95 Gig and include about 575k files. =
The backup times is about 3.5-4 hours, which really isn't an =
issue. But, when we try doing a restore, it take between 9-11 =
hours. I do have the Veritas NetBackup Performance Tuning white =
papers v. 1.51, and have a few questions about that. First of all, =
our indexing level is already set to 9, so that setting is =
confirmed. My next settings would be the buffer settings. =
Has any tried changing these and seen results? I looked at the =
SIZE_DATA_BUFFERS and for some reason they were set to 262144 or =
256k. I changed them (according to the documentation) to 65536 or =
64k. I noticed that the 256k buffer was also on the media server =
as well. Do the buffer sizes need to be identical for both master, =
media, and client? What about changes to the NUMBER_DATA_BUFFERS =
and NUMBER_DATA_BUFFERS_RESTORE?</FONT></P>
<P><FONT SIZE=3D2 FACE=3D"Arial">Thanks,</FONT>
</P>
<P><B><FONT FACE=3D"Verdana">Thomas Gravizi</FONT></B>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Systems Administrator</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">STERIS Corporation - Mentor, OH</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">thomas_gravizi AT steris DOT com</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">440.392.7630 - Tel</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">440.350.7078 - Fax</FONT>
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