Re: backpointer mismatch

[Roman Mamedov <rm@romanrm.net>]

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On Fri, 10 Jan 2014 14:26:19 +0000 (UTC)
Duncan <1i5t5.duncan@cox.net> wrote:

> IOW, your backups shouldn't be btrfs, because btrfs itself is testing, 
> and any data stored on it is by definition testing-only data you don't 
> particularly care about, either because you have good tested-restorable 
> backups, or because the data really isn't that valuable to you in the 
> first place. 

On the contrary, I think a backup storage area is an excellent place to start
rolling-out btrfs from, because:

1) the snapshot capability allows to do your backups using simple full-mirror
tools such as rsync or mirrordir in incremental mode, propagating only changes
in the directory tree (and then make and keep a number of date/timed snapshots
with some automation of your own);

2) it's *backups*, by definition it's non-unique replaceable data that also
exists elsewhere (and in this case on the primary storage, that's probably
much less experimental and more redundant as well).

My primary storage is currently Ext4 and backups are all on btrfs.

-- 
With respect,
Roman

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