Re: Autodetect of software RAID1+0 fails
От | Steinar H. Gunderson |
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Тема | Re: Autodetect of software RAID1+0 fails |
Дата | |
Msg-id | 20070601213501.GA23940@uio.no обсуждение исходный текст |
Ответ на | Autodetect of software RAID1+0 fails (Craig James <craig_james@emolecules.com>) |
Ответы |
Re: Autodetect of software RAID1+0 fails
Re: Autodetect of software RAID1+0 fails |
Список | pgsql-performance |
On Fri, Jun 01, 2007 at 10:57:56AM -0700, Craig James wrote: > The Linux kernel doesn't properly detect my software RAID1+0 when I boot > up. It detects the two RAID1 arrays, the partitions of which are marked > properly. But it can't find the RAID0 on top of that, because there's no > corresponding device to auto-detect. The result is that it creates > /dev/md0 and /dev/md1 and assembles the RAID1 devices on bootup, but > /dev/md2 isn't created, so the RAID0 can't be assembled at boot time. Either do your md discovery in userspace via mdadm (your distribution can probably help you with this), or simply use the raid10 module instead of building raid1+0 yourself. /* Steinar */ -- Homepage: http://www.sesse.net/
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