Messages in this thread | | | From | Neil Brown <> | Date | Sat, 16 Aug 2003 18:00:21 +1000 | Subject | Re: data corruption using raid0+lvm2+jfs with 2.6.0-test3 |
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On Friday August 15, mfedyk@matchmail.com wrote: > On Wed, Aug 13, 2003 at 09:05:58AM +1000, Neil Brown wrote: > > On Tuesday August 12, akpm@osdl.org wrote: > > > Tupshin Harper <tupshin@tupshin.com> wrote: > > > > > > > > raid0_make_request bug: can't convert block across chunks or bigger than > > > > 8k 12436792 8
> > > > Probably the simplest solution to this is to put in calls to > > bio_split, which will need to be strengthed to handle multi-page bios. > > > > The policy would be: > > "a client of a block device *should* honour the various bio size > > restrictions, and may suffer performance loss if it doesn't; > > a block device driver *must* handle any bio it is passed, and may > > call bio_split to help out". > > > > Any progress on this?
No, and I doubt there will be in a big hurry, unless I come up with an easy way to make lvm-over-raid0 break instantly instead of eventually.
I think that for now you should assume tat lvm over raid0 (or raid0 over lvm) simply isn't supported. As lvm (aka dm) supports striping, it shouldn't be needed.
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