Re: rman backup slow
- From: Jared Still <jkstill@xxxxxxxxx>
- To: p4cldba@xxxxxxxxx
- Date: Sun, 1 Feb 2009 15:09:07 -0800
On Sun, Feb 1, 2009 at 2:10 PM, Prasad <p4cldba@xxxxxxxxx> wrote:
> I did a level 12 trace . and here is the last 5% backup . I see there are
> so many sleeping for 10 sec wait .not very sure how to proceed from here :)
>
>
>
You may find RMAN tracing helpful.
There are 2 kinds that I am aware of, command line and channel.
The output from each is different.
It may or may not be helpful.
I've only used it occasionally myself, and have seen little published about
it.
Command line:
$OH/bin/rman … debug trace "trace file name"
Channel:
Trace and debug from levels 1-6, possibly higher.
configure channel
device type 'sbt'
parms="BLKSIZE=1048576,SBT_LIBRARY=oracle.disksbt,ENV=(BACKUP_DIR=/mnt/rsysdevdb/bkup_2/ts03)"
maxopenfiles 4
trace 6 debug 6;
allocate channel
device type 'sbt'
parms="BLKSIZE=1048576,SBT_LIBRARY=oracle.disksbt,ENV=(BACKUP_DIR=/mnt/rsysdevdb/bkup_2/ts03)"
maxopenfiles 4
trace 6 debug 6;
Jared
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