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I am running NetBackup FP 4.5 on HP-UX 11.i, master server is on an HP
L2000, and this media server is on an HP N4000 with a SureStore 20/700
library using LTO-1 drives. I created a policy that is doing a full
backup, with cross mount points checked and limit jobs per policy to 4.
Each mount point has about 175gb of data to be backed up. The policy kicks
off 4 jobs as it should, but is taking 10 to 12 hours to complete.
I looked in my bptm logs and am seeing the following:
02:23:48.705 [24712] <2> write_data: waited for full buffer 2911 times,
delayed 5980 times
02:24:17.000 [24714] <2> write_data: waited for full buffer 4019 times,
delayed 4528 times
03:11:57.107 [26595] <2> write_data: waited for full buffer 1237 times,
delayed 1487 times
04:03:31.939 [26594] <2> write_data: waited for full buffer 26659 times,
delayed 72414 times
04:35:13.959 [4638] <2> write_data: waited for full buffer 33216 times,
delayed 37370 times
04:57:24.506 [11931] <2> write_data: waited for full buffer 23206 times,
delayed 25822 times
05:00:51.795 [26600] <2> write_data: waited for full buffer 114308 times,
delayed 131449 times
05:06:11.186 [26608] <2> write_data: waited for full buffer 117920 times,
delayed 138141 times
05:09:48.521 [25250] <2> fill_buffer: [25213] socket is closed, waited for
empty buffer 186 times, delayed 188 times, read 52887552 bytes
05:09:48.535 [25213] <2> write_data: waited for full buffer 204 times,
delayed 365 times
05:11:20.869 [25424] <2> fill_buffer: [25418] socket is closed, waited for
empty buffer 1049 times, delayed 1143 times, read 300810240 bytes
05:11:20.882 [25418] <2> write_data: waited for full buffer 1161 times,
delayed 1530 times
05:14:13.594 [1398] <2> fill_buffer: [1292] socket is closed, waited for
empty buffer 0 times, delayed 0 times, read 144703488 bytes
05:14:13.612 [1292] <2> write_data: waited for full buffer 2782 times,
delayed 3121 times
Do the above waits seem out of line? If so any suggestions on tuning this
beast?
Thanks in advance
Wayne BeDour
IT Unix System Administrator
PH: 313-240-3374 FAX: 313-240-3065
Internet: wbedour AT lear DOT com
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<DIV><FONT face=Arial size=2><SPAN class=708063512-30072003>I am running
NetBackup FP 4.5 on HP-UX 11.i, master server is on an HP L2000, and this media
server is on an HP N4000 with a SureStore 20/700 library using LTO-1
drives. I created a policy that is doing a full backup, with cross
mount points checked and limit jobs per policy to 4. Each mount point has
about 175gb of data to be backed up. The policy kicks off 4 jobs as it
should, but is taking 10 to 12 hours to complete. </SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=708063512-30072003>I looked in my bptm
logs and am seeing the following:</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2>02:23:48.705 [24712] <2> write_data: waited
for full buffer 2911 times, delayed<SPAN class=708063512-30072003> </SPAN>5980
times </FONT></DIV>
<DIV>
<P><FONT face=Arial size=2>02:24:17.000 [24714] <2> write_data: waited
for
full buffer 4019 times, delayed<SPAN class=708063512-30072003> </SPAN>4528
times </FONT></P>
<P><FONT face=Arial size=2>03:11:57.107 [26595] <2> write_data: waited
for
full buffer 1237 times, delayed<SPAN class=708063512-30072003> </SPAN>1487
times
</FONT></P>
<P><FONT face=Arial size=2>04:03:31.939 [26594] <2> write_data: waited
for
full buffer 26659 times, delayed<SPAN class=708063512-30072003> </SPAN>72414
times </FONT></P>
<P><FONT face=Arial size=2>04:35:13.959 [4638] <2> write_data: waited for
full buffer 33216 times, delayed <SPAN class=708063512-30072003>
</SPAN>37370 times </FONT></P>
<P><FONT face=Arial size=2>04:57:24.506 [11931] <2> write_data: waited
for
full buffer 23206 times, delayed<SPAN class=708063512-30072003> </SPAN>25822
times </FONT></P>
<P><FONT face=Arial size=2>05:00:51.795 [26600] <2> write_data: waited
for
full buffer 114308 times, delayed 131449 times </FONT></P>
<P><FONT face=Arial size=2>05:06:11.186 [26608] <2> write_data: waited
for
full buffer 117920 times, delayed 138141 times </FONT></P>
<P><FONT face=Arial size=2>05:09:48.521 [25250] <2> fill_buffer: [25213]
socket is closed, waited for empty<SPAN class=708063512-30072003> </SPAN>buffer
186 times, delayed 188 times, read 52887552 bytes </FONT></P>
<P><FONT face=Arial size=2>05:09:48.535 [25213] <2> write_data: waited
for
full buffer 204 times, delayed 365 times </FONT></P>
<P><FONT face=Arial size=2>05:11:20.869 [25424] <2> fill_buffer: [25418]
socket is closed, waited for empty<SPAN class=708063512-30072003> </SPAN>buffer
1049 times, delayed 1143 times, read 300810240 bytes </FONT></P>
<P><FONT face=Arial size=2>05:11:20.882 [25418] <2> write_data: waited
for
full buffer 1161 times, delayed 1530 times </FONT></P><FONT>
<P><FONT face=Arial size=2>05:14:13.594 [1398] <2> fill_buffer: [1292]
socket is closed, waited for empty buffer 0 times, delayed 0 times, read
144703488 bytes </FONT></P>
<P><FONT face=Arial size=2>05:14:13.612 [1292] <2> write_data: waited for
full buffer 2782 times, delayed 3121 times </FONT></P>
<P><SPAN class=708063512-30072003><FONT face=Arial size=2>Do the above waits
seem out of line? If so any suggestions on tuning this
beast?</FONT></SPAN></P>
<P><SPAN class=708063512-30072003><FONT face=Arial size=2>Thanks in
advance</FONT></SPAN></P></FONT></DIV><!-- Converted from text/rtf format -->
<P><FONT face=Arial size=2>Wayne BeDour</FONT> <BR><FONT face=Arial size=2>IT
Unix System Administrator</FONT> <BR><FONT face=Arial size=2>PH:
313-240-3374 FAX: 313-240-3065</FONT> <FONT face=Arial size=2>
</FONT><BR><FONT face=Arial size=2>Internet: wbedour AT lear DOT
com</FONT>
</P><BR>
<DIV> </DIV></BODY></HTML>
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