[Ocfs2-users] OCFS2 performance - disk random access time problem

[Coly Li]

On 06/02/2010 08:19 PM, Tao Ma Wrote:
> Add Mark Fasheh <mfasheh at suse.com> and Coly Li <coly.li at suse.de> to cc
> since they know what
> ocfs2 kernel version SUSE uses.
> Angelo McComis wrote:
>>
>>     > On 01/06/10 22:34, Sunil Mushran wrote:
>>     >> The kernel is old. We fixed this issue in 2.6.30. We have also
>>     backported
>>     >> it to the 1.4 production tree.
>>     >>
>>     >> The problem was that the inodes being created did not have
>> locality
>>     >> leading to a directory having inodes that were spaced far apart
>>     from
>>     >> each other. The one place where it really affected performance
>>     was "rm".
>>     >
>>     > Thank you for reply!
>>
>>  
>> I've seen this rm problem in the production version of SLES 10.3
>> +updates.
>>  
>> Is this fix available in the SLES Enterprise kernels yet? 10.3.x or
>> 11.1.x (11.1 officially releases today, btw).
>>  

I guess you meant SLES10 SP3 and SLES11 SP1. For SLES11 SP1, the kernel is 2.6.32 based, the fix Sunil mentioned (which
was included in 2.6.30) should be in SLES11 SP1 kernel.

-- 
Coly Li
SuSE Labs