recommendations on how to recover a corrupted, LVM-based hard drive?

[Robert P. J. Day]

On Fri, 14 Feb 2014, Mark Haney wrote:

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> On 02/12/2014 11:39 AM, Robert P. J. Day wrote:
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> > a friend asks me if there's a way to solve the following, not out
> > of any sense of urgency (since there are backups) but more out of a
> > sense of curiosity as to whether it can even be done.
>
> I'm a little late to the thread here because of the boondoggle that is
> the RTP, NC area the last couple of days, but here is my $0.02.
>
> I learned a long time ago that recovering anything from an LVM volume
> is more trouble that it's worth.  I have lost more data on LVM volumes
> than I have any other filesystem.  Unless you use RAID with LVM never
> use it on a personal workstation/desktop.
>
> In fact, I'm in the process of scrapping the LVM volume based virtual
> machines at my office simply because they are LVM based.
>
> I'm sure I'll be flamed for it, but the tools to recover LVM data is
> humorous at best, and catastrophic at worst.

  at this point, it's more the intellectual challenge than anything,
and given that i have a copy of the backup file which describes the
entire volume group in detail, i have to think it shouldn't be hard to
recover any undamaged LVs.

rday

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Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
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