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OS Upgrade Considerations For XFS Volume

To: xfs@xxxxxxxxxxx
Subject: OS Upgrade Considerations For XFS Volume
From: Bharathiraja P <raja@xxxxxxxxxxxxxxx>
Date: Thu, 27 Nov 2014 19:59:59 +0530
Delivered-to: xfs@xxxxxxxxxxx
Hi there,

We recently upgraded our database system from OpenSuSE-11.4 to OpenSuSE-13.1

Post the upgrade we are noticing load spikes on our database system.

OpenSuSE 11.4 uses kernel-2.6.37 and OpenSuSE-13.1 uses kernel-3.11.10

There seems to be some changes related to XFS in new kernel and I'm getting this error when I run xfs_logprint

sudo /usr/sbin/xfs_logprint /dev/mapper/pgsql-data
raja's password:
xfs_logprint: /dev/mapper/pgsql-data contains a mounted and writable filesystem
ÂÂÂ data device: 0xfd00
ÂÂÂ log device: 0xfd00 daddr: 6442450880 length: 4173824

cycle: 879ÂÂÂ version: 2ÂÂÂ ÂÂÂ lsn: 879,3707616ÂÂÂ tail_lsn: 879,3666528
length of Log Record: 32256ÂÂÂ prev offset: 3707552ÂÂÂ ÂÂÂ num ops: 120
uuid: 314e5417-3787-476d-9ee3-22a81732cb67ÂÂ format: little endian linux
h_size: 32768
Oper (0): tid: f8163d32Â len: 112Â clientid: TRANSÂ flags: WAS_CONT END
Left over region from split log item
Oper (1): tid: f8163d32Â len: 1664Â clientid: TRANSÂ flags: none
xfs_logprint: unknown log operation type (b001)
Bad data in log

Do we need to do something for the xfs volume post os upgrade for better performance?

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