Messages in this thread | | | Date | Thu, 04 Dec 2003 20:49:08 -0700 | From | "Kevin P. Fleming" <> | Subject | Re: Errors and later panics in 2.6.0-test11. |
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Nathan Scott wrote:
>>The problem I reported was also with RAID-5, and I have also found a >>problem similar to Nathan's (probably the same one) by just trying to >>run bonnie++ on an XFS filesystem on DM over RAID-5, even after >>formatting the XFS filesystem to forcibly align everything to RAID-5 >>stripes (64K units). > > > FWIW, this doesn't align _everything_ (space allocations done > through the XFS allocator are influenced, which means "most") > -- log IO is still going to be sector aligned, as are any IOs > to the four XFS allocation group header metadata structures.
OK, I thought that "-l sunit=..." being set to a block-size multiple would take care of that as well, but apparently not.
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