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Re: [linux-lvm] LVM2 for kernels 2.4.20(another problem raid-0)



Quoting Patrick Caulfield <caulfield sistina com>:

> On Mon, Jan 27, 2003 at 12:19:16PM +0100, Svetoslav Slavtchev wrote:
> > Quoting Patrick Caulfield <caulfield sistina com>:
> > 
> > > On Mon, Jan 27, 2003 at 12:07:28AM +0100, Svetoslav Slavtchev
> wrote:
> > > > Hi just an intermidiate report,
> > > > cause it's with 2.4.20-dm-2
> > > > (i'm rebuilding now with dm-7)
> > > > 
> > > > when i try to mount a xfs filesystem wich is on 
> > > > lv over soft raid-0, i'm getting just like in
> > > > 2.5.2x - 2.5.4x (i didn't try later kernels) :
> > > > 
> > > > ############################
> > > > raid0_make_request bug: can't convert block across chunks or
> bigger
> > > than 16k
> > > > 25181311 4
> > > > raid0_make_request bug: can't convert block across chunks or
> bigger
> > > than 16k
> > > > 25181343 4
> > > > ############################
> > > > 
> > > > is this know problem, is it fixed ?
> > > > i thought that the problem exist only in 2.5 kernel
> > > 
> > > I seem to remember that there's some option you have to give to XFS
> to
> > > tell it
> > > to align the journal or something. you may have to search the LVM
> and/or
> > > XFS
> > > archives for it.
> > > 
> > > Sorry that's a bit vague but I don't use XFS but I do remember a
> thread
> > > like
> > > this some time ago.
> > a google search "raid0_make_request bug" gives a lot of results
> > (mainly my post on 2.5 problems)
> > 
> > do you mean :
> > http://www.cs.helsinki.fi/linux/linux-kernel/2002-14/0127.html
> > 
> > it didn't help me a lot under 2.5
> 
> It should help on 2.4. There's also a parameter to the mkfs.xfs (which
> is what I
> actually meant but which is probably harder to find!) that has a similar
> effect
> but you probably need to recreate the FS.
> 
> Whether this "fix" helps on existing FSs I don't know. You'll probably
> be better
> asking on the XFS lists really.

do you think it's only xfs related,
if i remmember correctly it's not only xfs problem

i'll check later with reiser and jfs 

svetljo



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