The never-ending upgrade: RAID problem/question

[Don Levey]

discuss-bounces at blu.org wrote:
> discuss-bounces at blu.org wrote:
>> You need to manually re-add the (new/replacement) drive back into
>> the raid set.  Effectively you need to hotadd the new partitions.
>> man raidhotadd
>>
>> -derek
>>
> I figured I'd need to do something like that - but raidhotadd doesn't
> exist on this machine anymore.  The old configuration was under
> Fedora 2, and the new is Fedora 4 (FC2 had it).  I've seen the
> following, though:
>
> 	mdadm /dev/md0 )B–add /dev/hdb1
>
> Any reason why this is a bad idea?

A little more searching gave me that answer, anyway.  The raidtools group
(including raidhotadd) was deprecated; apparently, mdadm is the "new" way.
I'm in the process right now; it's recovering as I type.
 -Don