Re: ext3 sucks

[Brian Long <brilong cisco com>]

On Fri, 2005-10-28 at 09:56 -0400, Joshua Baker-LePain wrote:
> On Wed, 26 Oct 2005 at 9:27am, John Summerfied wrote
> 
> > Tom Sightler wrote:
> >
> >>>      write   read
> >>>      -----   ----
> >>> ext2    81    180
> >>> ext3    34    222
> >>> XFS    109    213
> >
> > This suggests to me you have a problem with the journal. Placing the journal 
> > on its own disk seems good to me.
> 
> I placed the journal on a RAID1 of 2 10K RPM WD Raptor drives, and tested 
> again -- it made little to no difference.  ext3 write speed was about 37 
> MB/s.  These servers need to go back into production, so it's time for me 
> to stop futzing with this.  I'm just going to do an all-software RAID50. 
> I was going to use RAID6 with one big array, but hit a bad (as in, 
> FS corrupting bad, see bugzilla #171354) resync bug.

Could this be selinux at work?  Are you running with selinux? 

/Brian/

-- 
       Brian Long                      |         |           |
       IT Data Center Systems          |       .|||.       .|||.
       Cisco Linux Developer           |   ..:|||||||:...:|||||||:..
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