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SubjectRe: LOTS OF BAD STUFF in raid0: raid0145-19990824-2.2.11 is unstable
Date

David Mansfield writes:
...
>raid0_map bug: hash->zone0==NULL for block 171521844
>Bad md_map in ll_rw_block
>EXT2-fs error (device md(9,0)): ext2_free_blocks: Freeing blocks not in
>datazone - block = 171521844, count = 1
>raid0_map bug: hash->zone0==NULL for block 959524912
>Bad md_map in ll_rw_block
...

>Here is my current setup:
...
>Hardware: Dual PII 450, DAC960 hardware raid card (completely separate
>from the raid in question). The raid0 is built on 6 Seagate Cheetah 9gb
>drives connected to an Adaptec 2940U2W controller. The system hardware is
>all from VA Research (more reliable??). Also in the system IDE cdrom (not
>accessed since last reboot). 1GB ram.

On a very similar machine we had a problem which to my recollection
looked very much the same, we had an intermittent bad drive that was
pulling down the whole chain; changing out drives fixed the problem
for us. Always happened under load, when the bad drive was stressed.

FWIW,

michaelkjohnson

"Magazines all too frequently lead to books and should be regarded by the
prudent as the heavy petting of literature." -- Fran Lebowitz
Linux Application Development http://people.redhat.com/johnsonm/lad/


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