SCSI problem on a IBM xSeries x206
Dan Nelson
dnelson at allantgroup.com
Thu Mar 3 07:52:34 PST 2005
In the last episode (Mar 03), Marco Pizzi said:
> I've a problem with a IBM xSeries x206 server. This server is
> equipped with an Adaptec AIC7901 Ultra320 SCSI RAID card, and the two
> SCSI disks are configured as RAID1 in the bios card. I've installed
> FreeBSD 5.3, but the system go on to see the two SCSI disks (sd0 and
> sd1); not the logical RAID1 unit. If I launch the command "pciconf
> -lv" the output is the following:
>
> ahd0 at pci3:4:0: class=0x010400 card=0x005f9005 chip=0x808f9005 rev=0x10
> hdr=0x00
> vendor = 'Adaptec Inc'
> device = 'AIC-7901 Ultra320 HostRAID Controller'
HostRAID is software-based RAID, similar to the software ATA RAID
managed by the ataraid driver and the atacontrol command. An
enterprising coder could probably modify geom_mirror to recognize
whatever disk metadata that HostRAID stores.
--
Dan Nelson
dnelson at allantgroup.com
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