Messages in this thread | | | Date | Fri, 23 May 2003 09:23:03 +0200 (CEST) | From | Oktay Akbal <> | Subject | Defective Disk not reported as Dead |
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Hello !
We do have some strange problem here. A Server with some qlogic qla2002f-Adapter (2-channel)is connected to 2 external Raid-Arrays via multipathing and raid1 on top of it. But the multipathing and raid should not be the problem here.
The Raid-Arrays itself are Fibre-to-Ide and present themselfs as 1 disks each. Now for the problem: Due to a firmware bug the raid-boxes sometimes seems to loose the ability to write (and read i think) to their internal disks. The effect is, that the cache fills up but does not get flushed to disks. When full, the box is in a strange state. It gets detected when reloading the kernel-modules but linux can no longer access the disks. when accessing the partition all processes on that disk hang (like ls or ps -efa etc.)
The disk is never recognized as defective and never thrown out of raid. So the processes do not continue to work.
Is this fault simply not detectable, or could this be a problem with the qlogic-driver ?
The Kernel used is some 2.4.18 Version by SuSE.
Thanks for help
Oktay Akbal
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