> > From:       Blair Hicks [SMTP:[EMAIL PROTECTED]]
> > Subject:    Rebuilding a RAID volume

> > So, my question is, what do I need to do in order to rebuild /dev/md2?

<snip>
 
> and do 'raidhotadd /dev/md<N>' for each md device (for you, N = 0,
> 1, 2). 'Raidhotadd' is just a symlink to 'raidstart'.

Sorry, I meant 'raidhotadd /dev/md[012] /dev/hdc[456]'

<snip>

> DO NOT change the type on a partition that's part of a running
> array.

[EMAIL PROTECTED] says

        Hmmm..... I've seen this statement many times and must assume it is 
        only partly true. It is very difficult to follow this rule with root 
        mounted raid. I have changed the partition type many times on many 
        systems from 83 to FD and back again followed by a reboot without any 
        difficulty. Am I missing something here.

OK, I confess to just spouting the words from <[EMAIL PROTECTED]>'s
Software-RAID HOWTO:

"NOTE: Be sure that your RAID is NOT RUNNING before changing the
  partition types.  Use raidstop /dev/md0 to stop the device."

As you say, it's awkward for a root array.

Regards,
Martin Munt

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