01-06-2018
you don't show all the errors. SC_DISK_ERRs, you see, are SCSI timeout. They can be caused by SAN bottlenecks (such as lack of buffers) as well as by AIX settings. Storage device can cause such problems too. The easiest (and I think the fastest) way to solve the problem is to open a PerfPMR at IBM. You have IBM server, IBM operating system and IBM storage. They're interested in solving the problem as fast as possible.
If you'd like to analyze the problem further, you must first provide the information about the operating system and the storage.
- which version do you have? oslevel -s
- which version of storage drivers?
- settings of the FC adapters? (for i in $(lsdev -l fcs* -F name) ; do echo $i ; lsattr -El $i ; lscfg -l $i; done
- settings of FSCSI devices? lsattr -El fscsiX
- Output of fcstat command for each FC HBA
- full errpt output, because you provided just a short excerpt
It is just a small amount of questions I can remember after celebrating russian Christmas. IBM will ask more questions for sure, and will ask to run some scripts to gather the necessary information.
Moderator's Comments:
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edit by bakunin: surrounded commands with ICODE-tags. Please use them for code-snippets so that they stand out better. Thank you!
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Last edited by bakunin; 01-08-2018 at 09:59 AM..
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LEARN ABOUT SUSE
apache::session::oracle
Session::Oracle(3) User Contributed Perl Documentation Session::Oracle(3)
NAME
Apache::Session::Oracle - An implementation of Apache::Session
SYNOPSIS
use Apache::Session::Oracle;
#if you want Apache::Session to open new DB handles:
tie %hash, 'Apache::Session::Oracle', $id, {
DataSource => 'dbi:Oracle:sessions',
UserName => $db_user,
Password => $db_pass,
Commit => 1
};
#or, if your handles are already opened:
tie %hash, 'Apache::Session::Oracle', $id, {
Handle => $dbh,
Commit => 1
};
DESCRIPTION
This module is an implementation of Apache::Session. It uses the Oracle backing store and no locking. See the example, and the
documentation for Apache::Session::Store::Oracle for more details.
USAGE
The special Apache::Session argument for this module is Commit. You MUST provide the Commit argument, which instructs this module to
either commit the transaction when it is finished, or to simply do nothing. This feature is provided so that this module will not have
adverse interactions with your local transaction policy, nor your local database handle caching policy. The argument is mandatory in order
to make you think about this problem.
This module also respects the LongReadLen argument, which specifies the maximum size of the session object. If not specified, the default
maximum is 8 KB.
AUTHOR
This module was written by Jeffrey William Baker <jwbaker@acm.org>.
SEE ALSO
Apache::Session::File, Apache::Session::Flex, Apache::Session::DB_File, Apache::Session::Postgres, Apache::Session
perl v5.12.1 2007-09-28 Session::Oracle(3)