Re: [gentoo-user] LVM for data drives but not the OS

[Joost Roeleveld]

On Thursday 07 April 2011 11:35:42 BRM wrote:
> ----- Original Message ----
>
> > From: J. Roeleveld <joost@××××××××.org>
>
> I think the issue comes from the fact that LVM2 supports Mirroring without
> an underlying RAID controller:
>
> http://tinyurl.com/3woh2d7
> http://en.wikipedia.org/wiki/Logical_Volume_Manager_%28Linux%29
> http://www.gossamer-threads.com/lists/gentoo/performance/59776
>
> Which would be a redundancy.

Ok, I wasn't aware of that bit.
From the first hit in the google-list, I do think that LVM-mirror isn't really 
ready. Especially as the read-performance is less then using software raid.

I don't find mdadm difficult to use though. It's a vast improvement over the old 
raidtools.

> > I  do hope you didn't loose too much important data when you had this
> > issue.
>
> No, I didn't loose any important data (fortunately). If I did, I would have
> paid for the drive to be recovered; it was mostly portage, var/tmp, some
> extra sandbox stuff, kind of things.

Glad to hear that.

--
Joost