Re: Live Fille System Backup
On 2017-05-09, Greg Wooledge <wooledg@eeg.ccf.org> wrote:
> On Tue, May 09, 2017 at 12:03:14PM +0000, Curt wrote:
>> Because someone mentioned Btrfs and its backup "magic," I'm looking at
>> the wiki, which says (amongst other things):
>>
>> https://btrfs.wiki.kernel.org/index.php/Incremental_Backup
>>
>> Instant, Atomic COW Snapshots
>> Since the snapshots are atomic, when a snapshot is restored it appears to
>> applications as if a power loss had occurred (and the filesystem has gone back
>> to an earlier state). Thus it is possible to backup databases without stopping
>> them beforehand.
>
> So, basically the same as LVM snapshots, which are independent of the
> type of file system that sits on the LVM logical volume.
>
> But btrfs is an edge with more blood on it, so people are naturally
> drawn to it. It's also more complicated. So it's *got* to be better!!!
>
Put me down for uncomplicated. I'll probably just stick with rsyncing my
home directory (which is all I'm interested in backing up) to external
usb-attached volumes and be done with it.
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