On Fri, Mar 22, 2013 at 6:14 PM, Christopher Myers <cmyers@mail.millikin.edu> wrote:
Ah cool, that makes sense. I was curious if it made a difference since oS sees the original disks as "/dev/sda" and "/dev/sdb", but the partitions from the aggregate device from the fake raid are shown as /dev/mapper/[something]
That's the third case. In the past fake raid was configured using device-mapper; now preferred interface is mdadm. You see, it is not as trivial as it looks like :)
(Sorry if you got this twice, I forgot to make the email plain text the first time, so had to resend it cause it got rejected the first time.)
Chris
03/21/13 11:06 PM >>> The primary differences between fake raid and pure software MD are
- fake raid is partitioned, software raid usually not - fake raid is seen as single device by BIOS, software raid - as multiple devices
So they need different solutions. Fake raid is actually easier to handle. Pure software raid needs more work.
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22.03.2013, в 0:14, Christopher Myers написал(а):
I wasn't sure if I would be able to reproduce the issue or not, since a fake-raid on Linux seems to be treated similarly as a regular software RAID :)
Per Jessen 03/21/13 3:06 PM >>> Christopher Myers wrote:
I'm running oS 12.2 on a small server at home with the Adaptec HostRaid (fake RAID) adapter that's onboard the SuperMicro PDSMI+ motherboard, with two Seagate SATA drives in RAID1. Is there any way to test this without unplugging one of the drives and forcing the array into recovery mode?
Chris, as you're not using software RAID, I don't quite see what you want to test?
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