:: INTRO ::
I've been really curious about a few things on backing up the backup because
I've been doing it for a while from an ext3 filesystem for a zfs one and have
noticed quite a few issues especially when my zfs drive suddenly filled up and
rm -rv pc/blah would give me immediate feedback
I forgot to add, my rsync command also has --delete.
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On Thursday 01 July 2010 11:31:05 Saturn2888 wrote:
The rsync command I cron to copy the /var/lib/backuppc directory ...
Stop there. That's your problem. Others here have had luck doing this in under
24 hours, but my pool takes at least 7 days to copy with rsync. Consider
cloning the volume
The last time I backed up my entire pool I simply used 'dump' on the ext3
filesystem on Linux. I'd simply run 'dump -a0f - /dev/disk| ssh freenas
dumpfile' ... or any other way you choose to move the data from dump.
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Joshua
@Josh Malone, what do you mean by that?
@Tyler J. Wagner, thanks! I'm gonna look at that article and see what I can do.
I haven't seen any numbers of the speed difference between LVM or no LVM so I
haven't yet used it. I'm wanting to make sure enabling LVM doesn't screw up my
current speed
Can't I just dd the entire partition or that one directory into a file?
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Well BackupPC only runs in Linux I thought. I'm running BackupPC in Linux, the
zfs filesystem I'm copying this stuff to in an embedded FreeBSD 7.3. I say
embedded bc the OS is read-only and most of the normal functionality is missing
such as ports.
'dump' just read the filesystem inode-by-inode and writes the contents to a
file. It's a lot like 'dd' but it knows about the ext3 filesystem and won't
copy empty blocks, and can be read using the 'restore' utility to pull out
individual files.
So just mount your freenas and 'dump -a0f
On 7/1/2010 8:18 AM, Saturn2888 wrote:
Can't I just dd the entire partition or that one directory into a file?
If it will fit and you unmount the partition during the copy, that would
be fine. You'd have to copy back to a partition or loopback-mount the
file before being able to access it,
Over 4 hours for just hosts A through D, not even all the way to Z.
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Things are changing. What I'm hoping for it that I can capture whatever I can.
I used to have a 700GB pool which is now only 366GB after I got rid of things I
don't need snapshots for (music, pictures, installer files). It still takes
freakin' forever though! Just deleting the files, which I'm
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