[linux-lvm] raid 1 destroyed!

[Steven Dake]

One place you may have gone wrong is hotadding /dev/sdb.  You would want 
to add a partition such as /dev/sdb1 not /dev/sdb

Thanks
-steve

Alexander Lazarevich wrote:

>i was testing out software raid on linux 7.3 with sistina LVM installed. i
>had a raid 1 mirror with two drives, and one of the drives failed (i
>pulled the power on it), then i pluged it back in, rebooted, ran fdisk -l
>to make sure linux could see the drive (it did), then tried running fdisk
>again to create the partitions on the drive, then rebooted, then ran
>'raidhotadd /dev/md0 /dev/sdb', rebooted, then my entire system was gone,
>both drives had corrupted filesystem.
>
>my question is this: since there is no man pages for raidhotadd (stupid),
>how the heck do i read about how this software raid works so i dont blow
>away a "real" system!
>
>also, if i add my system drives to the LVM, can it still be in a raid 1?
>
>thanks in adavance,
>
>alex
>---                                                        ---
>   Alex Lazarevich | Systems | Imaging Technology Group
>   alazarev at itg.uiuc.edu | (217)244-1565 | www.itg.uiuc.edu
>---                                                        ---
>
>
>
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