Re: [Ext2-devel] Re: fsck out of memory

From: Stephen C. Tweedie (
Date: Tue Feb 11 2003 - 09:33:02 EST


On Tue, 2003-02-11 at 13:11, Stephan van Hienen wrote:
> > On Sun, 2003-02-09 at 10:08, Stephan van Hienen wrote:
> >
> > > Feb 7 04:18:15 storage kernel: EXT3-fs error (device md(9,0)):
> > > ext3_new_block:
> > > Allocating block in system zone - block = 536875638
> >
> > That looks like it could be a block wrap, amongst other possible causes.
> hmms and this means ?

One possible cause here is that some component of the system has wrapped
the block number round at 2TB, rather than correctly going beyond 2TB,
resulting in the wrong block being picked up as a bitmap block.

> > Well, that's the most likely candidate, because it's the least tested
> > component. Are you using Ben LaHaise's LBD fixes for the md devices?
> > Without those, md and lvm are not LBD-safe.
> where can i find this lbd fixes for md ?

I've no idea. Ben has some lb patches up at

but there's nothing broken out against the latest lbd diffs.


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