On 12/22/05, Georg Auernhammer <[EMAIL PROTECTED]> wrote:
> Hello!
>
> i have an amd64 with Sata 80Gig Hardisk and extra RAID:
> [...]
> newfs and mounting ar0 works.
> but as sonn as i am trying to write data on the RAID, the system
> freezes.
> i had some problems writing the label to ar0s1d
> but after some reboots he managed to write the label on ar0.
> only thing is, i cant write data...
>
> Any suggestions?

I just dealt with a situation that sounds similar.

I have an x86 box with a Promise SATA card with 2 drives in a RAID1
that had been running fairly well for several months. Then it suddenly
froze up (no reboot, nothing written to the console). After a power
cycle the system froze during fsck. In single user mode I was able to
get it mounted readonly without fsck, and could read some files, but
before too long it would freeze again. I pulled one of the drives and
rebooted. Same behavior. Then I pulled that drive and put the other
one back. Fsck completed and it now works fine (aside from no
mirroring going on anymore of course).

Short version: though it sure seems like one of the drives had gone
bad, the Promise card didn't notice. It may say the array is "READY"
you shouldn't trust it.
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