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SubjectRe: Moving from Linux 2.4.19 LVM to LVM2
Patrick Finnegan <pat@purdueriots.com>, on Wed Nov 13, 2002 [11:05:37 PM] said:
> Is there an easy and plainless way to do this? Are the LVM2 tools
> backwards-compatible with the old LVM? I've got important partitions on
> LVM (/usr, /tmp, /var, /home) and I'd like to be able to switch back and
> forth between 2.4 and 2.5 kernels without needing to keep around separate
> copies of bootscripts and userland tools if possible.
>
> Thanks!
>
> Pat

Hi;

I have been playing with this. The userspace tools are
not backwards compatible. (2.4 tools didnt seem compatible
with 2.2 tools either-- Ive got 3 sets of them laying around)
Currently, LVM2 under 2.5 repeatedly will hit a BUG() and
oops for me. I also managed to destroy a test striped lv.
I wouldnt trust any important data to it yet.
(Jens Axboe has expressed a willingness to help with
the problem. Just a matter of time...)
You need a > 2.5.47 kernel (eg. a recent bk snapshot,
or eg. 2.5.47-ac2 or 2.5.45-mcp2) to even compile with
DM support if you want to play with this.

Paul
set@pobox.com
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