rebuilding an RAID 0+1 disk ( Compaq DL380 with a SmartArray controller)

[CP Hennessy]

On Wednesday 02 November 2005 21:13, CP Hennessy wrote:
> Hi,
>
> [I've taken over a system which I did not setup and am new to RAID on
> FreeBSD, so please be patient with me :) ]
>
> We have a production server that seems to hang infrequently. The problem
> seemed to be related to reading of pages from swap, so I disabled swap and
> the problem has not reappeared (yet). When I was finally able to get
> physical access to the machine I saw that the led on one of the disks was
> flashing yellow, so I suspect that this is the problem.
>
> I will replace that disk and I want to rebuild the mirror on that disk, but
> do not know exactly how.
>
> I see that the following drivers :
> $ pciconf -lv | grep -B 3 mass
> ida0 at pci0:1:0: class=0x010400 card=0x40400e11 chip=0x00101000 rev=0x02
> hdr=0x00
>     vendor   = 'LSI Logic (Was: Symbios Logic, NCR)'
>     device   = 'LSI53C1510 I2O-Ready PCI RAID Ultra2 SCSI Controller
> (Intelligent mode)'
>     class    = mass storage
> --
> atapci0 at pci0:15:1:  class=0x01018a card=0x00000000 chip=0x02111166 rev=0x00
> hdr=0x00
>     vendor   = 'Reliance Computer Corp./ServerWorks'
>     device   = 'OSB4 PCI EIDE Controller'
>     class    = mass storage
>
> What do I need to do to add/remove the new disk to the raid configuration ?
> How do I rebuild the mirror ?

Oops, I forgot to mention that it is FreeBSD 4.8.

CPH