[clue-tech] Custom partition scheme?

[David L. Willson]

In my environment, mostly virtualized servers in VMware Server on Linux, LVM snapshots make simple backups possible. Without LVM snapshots, backups would be a nightmare.

David L. Willson
Trainer, Engineer, Enthusiast
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----- "Nate Duehr" <nate at natetech.com> wrote:

> On 9/21/2010 11:02 AM, David L. Willson wrote:
> > There are three reasons to use LVM:
> >
> >   - Resizing of logical volumes (partition equivalents)
> >   - Creation of snapshots (partition-image equivalent, with no down
> time)
> >   - Addition and removal of storage devices
> >
> > All those things can be done with the server hot and loaded.
> 
> ... IF and only IF you ALSO bought hot-swappable drive hardware, and 
> trust it won't crash the box, even when the OS is in trouble after
> some 
> strange thing the previous drive did as it keeled over dead.
> 
> ... or you have a bunch of empty disks installed and spinning all the
> 
> time, creating heat, wasting money.
> 
> At today's disc prices, LVM is a problem looking for a solution... 
> unless the budget is way below where it should be for a business
> server.
> 
> And it's a solution that adds risk, however small, but it's
> cumulative, 
> right?  Nothing is bug-free, including LVM.
> 
> (For home stuff, sure... use LVM... why not?  Backups are higher 
> priority than LVM, that's for sure...)
> 
> Nate
> 
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