From: Stuart D Gathman <stuart@bmsi.com>
To: linux-lvm@redhat.com
Subject: Re: [linux-lvm] Need help with a particular use-case for pvmove.
Date: Sun, 14 Nov 2010 18:05:53 -0500 [thread overview]
Message-ID: <4CE06B51.6080003@bmsi.com> (raw)
In-Reply-To: <AANLkTimpKv5YY9qJwmFTTKNMzOu+3BQ3nDQB-Y-m8oOT@mail.gmail.com>
On 11/13/2010 10:57 PM, Stirling Westrup wrote:
> On Sat, Nov 13, 2010 at 6:03 PM, Lars Ellenberg
> <lars.ellenberg@linbit.com> wrote:
>> You will then have to reduce the bad-old drive from the VG, and
>> shutdown/unplug old/replug new, which of course involves downtime again.
>>
>> You should consider using some sort of RAID in the future.
> My last server lost 80% of its data due to a bug in the raid software,
> so I'm rather leery of going with a raid solution. I was hoping LVM
> would be better.
Use the linux md driver with RAID-1, simple and safe, and you can clone
a partition by just removing it from the RAID. LVM does RAID-1 only if
you turn on mirroring for a LV. LVM can't possible be "better" without
the redundancy - at which point you have RAID.
next prev parent reply other threads:[~2010-11-14 23:06 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-13 21:45 [linux-lvm] Need help with a particular use-case for pvmove Stirling Westrup
2010-11-13 23:03 ` Lars Ellenberg
2010-11-14 3:56 ` Stirling Westrup
2010-11-14 21:58 ` Lars Ellenberg
2010-11-14 23:52 ` Stirling Westrup
2010-11-14 22:56 ` Stuart D Gathman
2010-11-14 3:57 ` Stirling Westrup
2010-11-14 23:05 ` Stuart D Gathman [this message]
2010-11-13 23:22 ` Ray Morris
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