On Wed, Sep 03, 2003 at 10:45:05PM +1000, jesse reynolds typed:...Hi> How do you tell which disk has problems in a hardware RAID1 array?
You can try this:
umount /dev/ar0 fsck -f -n /dev/ad4 fsck -f -n /dev/ad6
This way (hopefully) you'll be able to establish which one of the disks in the array has developed problems. Then reboot and rebuild the array from the other disk using the controllers firmware.
Thanks Ruben.
Unfortunately there are only these two disks in the machine, with /, /usr, /var, and swap all slices of ar0. Thus, I cannot unmount ar0!!!
Surely there must be a way of finding out which disk is being used and which is idle? Doesn't "degraded" mean that it's only using one of the two disks???
Thankyou
Jesse
Ruben
Cheers
Jesse
PS:
FreeBSD 4.6.2-RELEASE
atapci1: <Promise ATA100 controller> port 0xdc00-0xdc3f,0xe000-0xe003,0xe400-0xe407,0xe800-0xe803,0xec00-0xec07 mem 0xdffe0000-0xdfffffff irq 11 at device 16.0 on pci0
ar0: 76293MB <ATA RAID1 array> [9726/255/63] status: READY subdisks: 0 READY ad4: 76319MB <ST380021A> [155061/16/63] at ata2-master UDMA100 1 READY ad6: 76319MB <ST380021A> [155061/16/63] at ata3-master UDMA100
# atacontrol list ATA channel 0: Master: no device present Slave: no device present ATA channel 1: Master: acd0 <LG DVD-ROM DRD-8160B/1.01> ATA/ATAPI rev 0 Slave: no device present ATA channel 2: Master: ad4 <ST380021A/3.19> ATA/ATAPI rev 5 Slave: no device present ATA channel 3: Master: ad6 <ST380021A/3.19> ATA/ATAPI rev 5 Slave: no device present
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