Re: An experiment in backup
On 01/17/2015 09:29 AM, Kevin O'Gorman wrote:
> Did you have to re-create any of the excluded directories before it would
> boot properly?
>
> This looks a lot like what I do already, but is not working for me. I'll
> check the details.
>
Kevin, you sent this directly to me, not the list.
I have /home on another partition, so I just mounted that in the new
system. I created blank /tmp /dev /proc and /sys. They are populated at
boot time. Just match the permissions from the system you're copying from.
I have not tried backing up a live system using tar. Just using rsync to
copy file by file.
A quick google search just brought up this link:
https://wiki.archlinux.org/index.php/full_system_backup_with_rsync
which is very similar to how I did it.
-Thom
>
> On Fri, Jan 16, 2015 at 2:54 AM, Thom Miller <thom@cagroups.com> wrote:
>
>>
>>
>> On 01/16/2015 01:28 AM, Joel Roth wrote:
>>> On Thu, Jan 15, 2015 at 09:32:24PM -0800, Kevin O'Gorman wrote:
>>>> I care because I like to have a lot of free space in my partitions, but
>> I
>>>> hate to use backup time and space on the holes.
>>>
>>> Hi Kevin,
>>>
>>> If you copy the whole partition, byte-for-byte, as with the
>>> 'dd' command, you copy everything, including the free space.
>>>
>>> If you copy via the filesystem, e.g. using rsync, you just
>>> pay for what you use, and all the files are immediately
>>> available. Restoring a file is a matter of
>>> copying.
>>>
>>> ...
>>>
>>> #!/bin/sh
>>> RSYNC="rsync -avx "
>>> CMD="$RSYNC \
>>> --exclude /dev \
>>> --exclude /proc \
>>> --exclude /sys \
>>> --exclude /home \
>>> --exclude /tmp \
>>> --exclude /var/cache/apt/archives \
>>> --exclude /var/run \
>>> / /mnt/$1/root"
>>> echo $CMD >> /var/log/backup.log
>>>
>> I can confirm that the above works. I recently used rsync to copy my
>> live system to another partition, excluding /dev /proc /sys /tmp and /home.
>>
>> After setting grub to boot the new partition, it works fine. I'm using
>> it now.
>>
>> -Thom
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