Re: "big" machines running Debian?

[Goswin von Brederlow <goswin-v-b@web.de>]

Jonas Bardino <jonas@bardino.dk> writes:

> Lennart Sorensen wrote:
>> On Sat, Feb 28, 2009 at 10:14:15AM +0100, Goswin von Brederlow wrote:
>>> Hot-spare devices work just fine (see below).
>>>
>>> What doesn't exists afaik are global hot spares. E.g. 7 disks, two 3
>>> disk raid5 and one spare disk for whatever raid fails first. You would
>>> have to script that yourself.
>> 
>> Any idea what the "spare groups" mentioned in the mdadm documentation are?
>> 
>> I would have guessed it was something to do the global spare thing.
>> 
>
> I haven't tested shared hot spares myself but this article (among quite
> a few other hits from google: shared hot spare) indicates that it is
> quite possible with mdadm running in daemon mode:
> http://www.redhat.com/magazine/021jul06/departments/tips_tricks/
>
> ...and it appears Len was completely right about the spare-group keyword.
>
> Cheers, Jonas

You learn something new every day.

MfG
        Goswin