Hello,
I have recently inherited an over worked, maxed out TSM server where the
recovery log maxes out
on just about a nightly basis. I have 2 questions maybe someone can help
me with.
1. Why does the server only crash sometimes when the log fills up. For
example, yesterday it reached
100% but never went down. 2 days ago it reached 100% and TSM crashed.
2. When the server didn't crash the log kind of automatically zero'd
itself after reaching 100%.
What happened to all those uncommitted changes to the database? Did I lose
data? Shouldn't the
log remain at 100% actual used until a db backup takes place?
I have a 'q log' script in cron that runs every 10 minutes and this is the
output during that time frame:
Server date/time: 01/10/02 02:10:10 Last access: 01/10/02 02ANS8000I
Server command: 'q log'
2,564 2,564 0 564 4,096
655,872 510,699 77.9 77.9
Server date/time: 01/10/02 03:00:04 Last access: 01/10/02 02ANS8000I
Server command: 'q log'
2,564 2,564 0 8 4,096
655,872 653,290 99.6 99.6
Server date/time: 01/10/02 03:20:00 Last access: 01/10/02 03ANS8000I
Server command: 'q log'
2,564 2,564 0 2,560 4,096
655,872 189 0.0 100.0
Server date/time: 01/10/02 03:10:01 Last access: 01/10/02 03ANS8000I
Server command: 'q log'
2,564 2,564 0 2,560 4,096
655,872 189 0.0 100.0
As you can see the log reached 100% (99.6) at 3:00am and at 3:10 zero'd
out. But no backups took place until about 4:50am
and my database backup doesn't kick in until 9:00 am.. Also we are in
normal log mode, no triggers.
Here's the act log for this time frame:
tsm: ADSMFP>q act begint=03:10 endt=04:54
Date/Time Message
--------------------
----------------------------------------------------------
----------------------------------------------------------
01/10/02 03:10:01 ANR0402I Session 2282 started for administrator
01/10/02 03:10:01 ANR0402I Session 2282 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 03:10:01 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 03:10:01 ANR0405I Session 2282 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 03:20:00 ANR0402I Session 2283 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 03:20:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 03:20:00 ANR0405I Session 2283 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 03:21:40 ANR0406I Session 2284 started for node
INAFPUXPAS02 (SUN
SOLARIS) (Tcp/Ip 172.22.70.4(57097)).
01/10/02 03:21:40 ANR0403I Session 2284 ended for node INAFPUXPAS02
(SUN
SOLARIS).
01/10/02 03:30:00 ANR0402I Session 2285 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 03:30:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 03:30:00 ANR0405I Session 2285 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 03:40:01 ANR0402I Session 2286 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 03:40:01 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 03:40:01 ANR0405I Session 2286 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 03:50:00 ANR0402I Session 2287 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 03:50:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 03:50:00 ANR0405I Session 2287 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:00:00 ANR0402I Session 2288 started for administrator
SCRIPT_ID
01/10/02 04:00:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY
SESSION
01/10/02 04:00:00 ANR0405I Session 2288 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:00:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 04:00:00 ANR0405I Session 2289 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:00:01 ANR2580E Schedule DAILY_SQL in domain SQL_DOMAIN
for node
INAEBNTPLD01 failed.
01/10/02 04:00:02 ANR2578I Schedule DAILY_SQL in domain SQL_DOMAIN
for node
SQL1 has missed its scheduled start up window.
01/10/02 04:10:00 ANR0402I Session 2290 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 04:10:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 04:10:00 ANR0405I Session 2290 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:20:00 ANR0402I Session 2291 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 04:20:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 04:20:00 ANR0405I Session 2291 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:30:00 ANR0402I Session 2292 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 04:30:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 04:30:00 ANR0405I Session 2292 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:40:01 ANR0402I Session 2293 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 04:40:01 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 04:40:01 ANR0405I Session 2293 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:50:00 ANR0402I Session 2294 started for administrator
SCRIPT_ID
(AIX) (ShMem).
01/10/02 04:50:00 ANR2017I Administrator SCRIPT_ID issued command:
QUERY LOG
01/10/02 04:50:00 ANR0405I Session 2294 ended for administrator
SCRIPT_ID
(AIX).
01/10/02 04:54:16 ANR0406I Session 2295 started for node
INAFPUXPDB01 (SUN
SOLARIS) (Tcp/Ip 172.22.70.1(65090)).
01/10/02 04:54:28 ANE4952I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects inspected: 1
01/10/02 04:54:28 ANE4954I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects backed up: 1
01/10/02 04:54:28 ANE4958I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects updated: 0
01/10/02 04:54:28 ANE4960I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects rebound: 0
01/10/02 04:54:28 ANE4957I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects deleted: 0
01/10/02 04:54:28 ANE4970I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects expired: 0
01/10/02 04:54:28 ANE4959I (Session: 2295, Node: INAFPUXPDB01)
Total number
of objects failed: 0
01/10/02 04:54:28 ANE4961I (Session: 2295, Node: INAFPUXPDB01)
Total number
of bytes transferred: 64.61 MB
01/10/02 04:54:28 ANE4963I (Session: 2295, Node: INAFPUXPDB01) Data
transfer time: 5.84 sec
01/10/02 04:54:28 ANE4966I (Session: 2295, Node: INAFPUXPDB01)
Network data
transfer rate: 11,324.62 KB/sec
01/10/02 04:54:28 ANE4967I (Session: 2295, Node: INAFPUXPDB01)
Aggregate
data transfer rate: 5,463.51 KB/sec
01/10/02 04:54:28 ANE4968I (Session: 2295, Node: INAFPUXPDB01)
Objects
compressed by: 0%
01/10/02 04:54:28 ANE4964I (Session: 2295, Node: INAFPUXPDB01)
Elapsed
processing time: 00:00:12
Thanks in advanced for any help!
Regards,
Denis L. L'Huiller
973-360-7739
dlhuillier AT pershing DOT com
Enterprise Storage Forms ->
http://admpwb01/misc/misc/storage_forms_main.html
|