Re: reiserfs/md1/failure/threads
On Tuesday 18 July 2006 18:25, Lennart Sorensen wrote:
> On Tue, Jul 18, 2006 at 07:15:33AM +0200, Francesco Pietra wrote:
> > Because the matter is rather obscure to me, sent also CC to mpqc although
> > it seems an exclusive problem of the OS.
> >
> > OS: Debian amd64 etch
> > Hardw: Tyan S2895 K8WE; two 265 dual opteron; 8GB ram Kingston ECC;
> > raid1; temperature cpu low throughout.
> >
> > Process: mpqc 2.3.1 calc b3lyp geom optimization MCsearch OO calculation
> > for a large molecule, max_iterations = 40, memory = 5GB, launched as
> >
> > $mpqc -messagegrp "<ShmMessageGrp>:(n=4)" filename.in | tee filename.out
> >
> > all 40 iterations were completed in a couple of days, with "Optimization
> > NOT converged".
> >
> > Restarted from the last minimum geometry, with memory = 7 GB, launched as
> >
> > $ mpqc -threadgrp "<PthreadThreadGrp>:(num_threads=4)" filename.in | tee
> > filename.out
> >
> > calculation hanged after ca 11 hours with warnings:
> >
> > ReiserFS: md1: warning: vs-5150: searchby key: invalid format found in
> > block 589839. Fsck?
> >
> > ReiserFS: md1: warning: vs-13070: reiserfs_read_locked_inode: i/o failure
> > occurred during tryong to find stat data of [7109 7110 0x0 SD]
> >
> > ReiserFS: warning: is_tree_node: node level 0 does not match to the
> > expected one 1.
> >
> > and several other similar warnings.
> >
> > Thanks for suggestions
>
> Try a trusted filesystem instead. I stopped using reiserfs years ago
> due to bugs in it. I wouldn't be surprised if it isn't 64bit clean
> even.
On this suspicion, my relationships with reiserfs 3.6 are closed, as far as
amd64 is concerned.
>
> You either have a failing disk, or a buggy filesystem.
>
> Try ext3 instead. I haven't seen it fail yet.
That involves reinstalling amd 64 etch, I imagine. Could I start from raid1
installed and simply reform the file system or is it better start from
scratch (I mean even to clarify the matter 32/64)? Perhaps it will be easier
for me to start from scratch. Is it any suggestion about the install CD (to
go then to a net install)?
Thank you
francesco
> --
> Len Sorensen
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