Re: reiserfs/md1/failure/threads
Francesco Pietra <frapietra@alice.it> writes:
> 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
>
> francesco
If you checkd the disks, cables, controler and parity of the raid then
the only suggestion I can make is don't use reiserfs.
MfG
Goswin
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