Giovanni P. Tirloni wrote:
Hi,

I've a Intel SE7210TP1 motherboard with Adaptec HostRAID and I've created a RAID1 array with 2 SATA disks using the following command:

  atacontrol create RAID1 ad4 ad6

The system installed on /dev/ar0 just fine and I played a bit with atacontrol detaching and attaching the disks.

 Detaching ad6 worked without problems with the following commands:

  atacontrol detach 3
  atacontrol attach 3
  atacontrol rebuild 0

But when I tried to detach ad4 (after rebuilding array from previous detachment) I got an error saying the array was broken. Now when booting it shows this:

 ar0: 152627MB <ATA RAID1 array> [19457/255/63] status: DEGRADED subdisks:
    disk0 READY on ad4 at ata2-master
    disk1 DOWN no device found for this disk

but atacontrol list shows ad6 there. So my question is: what's the proper way of doing de attach/detach operation ?


I did a fresh install then turned the machine off and removed on disk. It booted again just fine. Then I turned it off again and inserted the disk I had removed. Now it will panic:


 panic: softdep_setup_inomapdep: found inode
 cpuid = 0
 boot() called on cpu#0
 Uptime: 2s

If I removed the disk and boot again it will work and show the following message:

ar0: 152627MB <ATA RAID1 array> [19457/255/63] status: DEGRADED subdisks:
disk0 READY on ad4 at ata2-master
disk1 DOWN no device found for this disk


How can I replace a failed disk with this setup ? Given what I've read I'm not really using the controller's RAID support but only the RAID support present in the ata subsystem. Is that true ? In the BIOS I don't have any arrays.

Thank you,

--
Giovanni P. Tirloni

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