# atacontrol rebuild ar0 atacontrol: ioctl(ATARAIDREBUILD): Operation not supported by device
any other ideas?
Note that I used the Promise chip's firmware to initially build the mirror, so I trust that this is a "RAID capable ATA controller" (from the rebuild section of the atacontrol man page)
At 8:12 -0500 3/9/2003, Peter Elsner wrote:
Try rebuilding the array...
atacontrol rebuild ar0
See if that helps...
At 10:45 PM 9/3/2003 +1000, you wrote:Hi
How do you tell which disk has problems in a hardware RAID1 array? My machine has been up for nearly six months, and only the last three weeks of messages logs are retained. There is nothing any in the last three weeks of system logs about any kind of hardware error, or warning, or anything mentioning ar0, ad4, or ad6.
atacontrol is showing a DEGRADED status of the mirror:
# atacontrol status ar0 ar0: ATA RAID1 subdisks: ad4 ad6 status: DEGRADED
How does one tell which disk is faulty? Or is it possible that they've become out of sync and need rebuilding, in which case which one do I detach and reattach?
I'm scared to reboot as it's a running server. What can I do????
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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