On Monday 21 May 2007 09:49:19 am Krassimir Slavchev wrote:
> Bob Bishop wrote:
> >
> > On 21 May 2007, at 12:52, Krassimir Slavchev wrote:
> >
> >> Bob Bishop wrote:
> >>> Hi,
> >>>
> >>> On 21 May 2007, at 10:07, Krassimir Slavchev wrote:
> >>>
> >>>> Hello,
> >>>>
> >>>> I have problems rebuilding RAID1 array. The bios shows status
> >>>> 'Rebuild' and 'Volumes with "Rebuild" status will be rebuilt within
> >>>> the operating system'.
> >>>> When I try to do 'atacontrol rebuild ar0':
> >>>> atacontrol: ioctl(IOCATARAIDREBUILD): Device not configured
> >>>
> >>> From the output below, assuming the system is running OK, the RAID
> >>> doesn't need rebuilding. The BIOS is just confused about the state
> >>> of the array, it will probably still boot from it OK.
> >> Yes, it boots OK but the RAID need rebuilding. This status is result
> >> of disconnecting the second disk, booting, create some files and then
> >> reconnect the second disk. [etc]

> >
> > OK. You need to follow the steps in
> > http://www.freebsd.org/doc/en_US.ISO...book/raid.html
> > section 18.4.3. Be careful to detach/reattach the right disk :-)
> >
> > When the rebuild has finished you may find that the BIOS doesn't
> > realize the array has been rebuilt, but that may not matter (much).
> >

> After rebuilding the bios shows 'Normal' status. It seems that the
> ata-raid driver can't detect when the array need rebuilding.
>
> Thanks for your help


The ata-raid driver does not automatically start a rebuild, you have to kick
if off by hand.

--
John Baldwin
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