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Subject: Re: [gentoo-user] NAS and replacing with larger drives
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From: Wol <antlists@youngman.org.uk>
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On 17/12/2022 20:03, Mark Knecht wrote:
> I'm just asking what's the purpose of doing LVM, or your
> suggested layering, specifically on a storage pool for a
> home user like Dale? That's the part I don't understand,
> especially for a new NAS user like Dale?

 From my POV, snapshots, in-place short-term backups, it's just flexible.

Actually, my main use of lvm is on my system partition - take a 
snapshot, emerge @world, make sure everything is okay ...

What I *thought* I wanted it for was my /home partition - my wife is 
forever losing stuff, getting muddled and what have you. But I don't 
think snapshotting would actually protect against what she does :-(

But the ability to snapshot anything where you think you might be doing 
something dangerous is just great - it means you can revert a disaster...

And below that, integrity/raid? Well raid protects against a drive 
failure, integrity protects against disk corruption. They're all 
unlikely events, but I've got loads of disk space, a powerful system, 
and I don't stress it, so I've got power to spare for it.

Cheers,
Wol