[linux-lvm] lvm and 'poor mans raid' on heterogenous hard drives!

[Rupa Schomaker]

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"William Blunn" <bill at tao-group.com> writes:

> Swap devices only contain volatile data anyway.

> I wouldn't mind losing the contents of my swap device. The machine will
> probably crash. It's the same as if the machine went down through a
> power outage. Not a big problem. Assuming only the swap device failed, I
> could just re-boot and run with a bit less swap space.

<nod>  But we try to minimize the posibility of failure.  Thats why
many of us have a UPS hooked up.  If there is a power failure we can
shutdown the system cleanly on our own terms and not the power
companies. 

> If the drive fails, I lose the contents of any filesystems on the same
> drive. Much more significant. The fact that the machine went down
> because the swap device failed pales into insignificance, because now
> all the data has disappeared. No-one can do any work until we have
> replaces disk(s), sorted out the filesystems, restored from backups etc.

Unless it is mirrored somehow...

- -- 
- -rupa

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