[clue-tech] Custom partition scheme?

[Mike Bean]

Be careful, I've been involved in ESX fairly thoroughly over the last two
years, and snapshots are easily their most misunderstood feature.   People
abusing snapshots are a minefield waiting to happen.  I don't know that it's
the same in server, but at least in ESX they're not actual disk files.

Mike Bean

On Wed, Sep 22, 2010 at 4:24 PM, David L. Willson <DLWillson at thegeek.nu>wrote:

> 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
> MCT MSCE Network+ A+ Linux+ LPIC-1 NovellCLA UbuntuCP
> tel://720.333.LANS
> Freeing people from the tyranny (or whatevery) of Microsofty-ness
>
> ----- "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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