> > Hello! > > I've bought a small server with Intel SE7230NH1 motherboard, > which incorporates the ICH7 SATA RAID controller. Using the > LSI BIOS utility, I created a RAID1 array of two disks and > installed FreeBSD 6.2-RC1 > (amd64) on it. > > atapci1: <Intel ICH7 SATA300 controller> port > 0x30c8-0x30cf,0x30e4-0x30e7,0x30c0-0x30c7,0x30e0-0x30e3,0x30a0-0x30af > mem 0x88200000-0x882003ff irq 19 at device 31.2 on pci0 > atapci1: AHCI Version 01.10 controller with 4 ports detected > ata2: <ATA channel 0> on atapci1 > ata3: <ATA channel 1> on atapci1 > ata4: <ATA channel 2> on atapci1 > ata5: <ATA channel 3> on atapci1 > ad4: 476940MB <Seagate ST3500630AS 3.AAE> at ata2-master SATA300 > ad6: 476940MB <Seagate ST3500630AS 3.AAE> at ata3-master SATA300 > ar0: 476772MB <LSILogic v3 MegaRAID RAID1> status: READY > ar0: disk0 READY (master) using ad4 at ata2-master > ar0: disk1 READY (mirror) using ad6 at ata3-master > > This server has a hot-swap drive cage that allows you to > power off individual drives. I simulated a drive failure by > powering off one of the drives. This resulted in console message: > > ar0: warning: mirror protection lost. RAID1 array in DEGRADED mode. > ar0: writing of LSILogic v3 MegaRAID metadata is NOT supported yet. > subdisk6: detached > ad6: detached > > OK, the disk went away. This is witnessed by atacontrol: > # atacontrol status ar0 > ar0: ATA RAID1 subdisks: ad4 DOWN status DEGRADED > > Now, I power the disk on again. This brings on the following > console message. > > ad6: 476940MB <Seagate ST3500630AS 3.AAE> at ata3-master SATA300 > > The array status is still degraded, as shown by atacontrol: > #atacontrol status ar0 > ar0: ATA RAID1 subdisks: ad4 ad6 status: DEGRADED > > OK, so I think I need to rebuild the array, but this doesn't succeed: > #atacontrol rebuild ar0 > IOCATARAIDREBUILD: Input/Output error. > > When I reboot the server, it comes back up with the array at > READY status immediately. Maybe this is because I have "Auto > rebuild" set to "Yes" in BIOS. But is there any way to > recover from this kind of failure without rebooting? Are my > problems caused merely by the fact that "writing of LSILogic > v3 MegaRAID metadata is NOT supported yet", or am I doing > something wrong? Or maybe this is the problem that exists only in > amd64 version and not in i386? > > Thanks in advance, > -- > Toomas >
>From experience, with these Software RAID, once you remove a disk, you'll have >to format it before you put the disk back in. Otherwise, this will cause >problems as the SW RAID will read the RAID part from the disk and think it is >working properly. Do your test by removing the Disk, then format it completely, insert it back. Or plug a new HDD in its place. Tamouh _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
