[plug] to LVM2 or not to LVM2...

Denis Brown dsbrown at cyllene.uwa.edu.au
Sun Oct 11 12:46:27 WST 2009


At 10:37 PM 9/10/2009, you wrote:
>2009/10/9 Denis Brown <dsbrown at cyllene.uwa.edu.au>:
> > Default install uses LVM2 for the system disk.    For the data array
> > however, which is a separate RAID5 array, I have a choice including whether
> > to use LVM2 or not.
>
>Similar to Daniel's point, I'd say go for it. Performance doesn't seem
>to take a noticeable hit, vgscan and lvscan will recover the metadata
>(useful when live-cd booting too), and other useful tools like
>snapshots are available. One problem we had: An older version of LVM
>(not sure if it was 1 or 2) failed to delete snapshots until a reboot
>- terrible for our production server. This is exacerbated by our
>running an 'enterprise class' OS (SLES9) which means we either have to
>break with their standard repositories or suck it up. So far we're
>just avoiding using snapshots on that machine. We'll be upgrading the
>OS soon, honest...
Thanks, Gregory.

I'm on holidays now for two weeks so will implement this on my return.

Regards,
Denis





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