> If you consider using ZFS as BackupPC's filesystem
In relation to other projects, I've done a bit of research, and got
interested in Nexenta, however even before the Oracle debacle I wasn't
quite ready to invest the additional learning curve - much less likely
now. . .
And just a comment, but keeping "time machine" snapshots at the
filesystem level of BackupPC's "time machine snapshots" filestore, wow
would probably open up a wormhole big enough to drive a Tardis
through! 8-O
Back to serious - these are mission-critical data backups, so I'm
defaulting to conservative - note this part of my goal:
>> What I'm really looking for is to be able to just mount the resulting
>> filesystem on any ol' livecd
Which your idea doesn't address. But I *did* say
>> Any and all feedback/suggestions welcome.
so thanks!
-----------------------
If no one's worked with FSArchiver, then how about feedback on what
y'all would choose between my current top two (actually 2.5) choices?
A - rsync the pool over + BackupPC_tarPCCopy the hardlinks dirstruc to
a temp location and then unpack it. I need to work on my scripting
skills anyway 8-(
B - full partition clone via something like dc3dd or Acronis True Image
Feature request: just MHO, but there really should be an option (both
Web and CLI) to just copy the whole cahuna over, as long as there's an
appropriate target device mounted. I can't imagine too many people are
dumping this stuff to tape??
=============
On Thu, Dec 9, 2010 at 3:35 PM, Jonathan Schaeffer
<jonathan.schaeffer AT univ-brest DOT fr> wrote:
> Le 09/12/2010 06:55, hansbkk AT gmail DOT com a écrit :
>> I've been investigating how to backup BackupPC's filesystem,
>> specifically the tree with all the hard links (BTW what's the right
>> name for it, the one that's not the pool?)
>>
>> The goal is to be able to bring a verified-good copy of the whole
>> volume off-site via a big cahuna sata drive.
>
> I'm answering not exactly to your question, but you might be interested
> in this :
>
> If you consider using ZFS as BackupPC's filesystem, there is the awesome
> combo :
>
> zfs snapshot # makes a snapshot of you filesystem, for instance on a
> daily bases
>
> zfs send snapshot | ssh backback "zfs receive"
>
> and your filesystem will be exported on host backback AND you will be
> able to travel in time by munting the daily snapshots.
>
> Jonathan
>
>>
>> I don't have enough RAM (or time!) for rsync -H and cp -a
>>
>> I was originally looking at block-level partition imaging tools, from
>> mdmraid (RAID1'ing to a removable drive) to dd to Acronis.
>>
>> I'm also looking at BackupPC_tarPCCopy, which seems great, but
>>
>> What I'm really looking for is to be able to just mount the resulting
>> filesystem on any ol' livecd, without having to restore anything,
>> reconstruct LVM/RAID etc complexities just to get at the data - the
>> source volume is an LV running on a RAID6 array, but I want the target
>> partition to be a normal one.
>>
>> I've come across this tool: http://www.fsarchiver.org/Main_Page
>>
>> Does anyone have experience with it?
>>
>> Any and all feedback/suggestions welcome.
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