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hpavxz
2016 May 03
4
Copying a live system
I want to backup my current CentOS-7.2 system to another drive.
Is it safe to copy the system while it is running?
Eg by
mount /dev/sdb5 /mnt
rsync -HPaxvz /. /mnt/
I've found contradictory advice on the web.
--
Timothy Murphy
gayleard /at/ eircom.net
School of Mathematics, Trinity College, Dublin
2016 May 03
0
Copying a live system
Timothy Murphy wrote:
> I want to backup my current CentOS-7.2 system to another drive.
> Is it safe to copy the system while it is running?
> Eg by
> mount /dev/sdb5 /mnt
> rsync -HPaxvz /. /mnt/
> I've found contradictory advice on the web.
Yes. When we're cloning a system, such as a compute node in a cluster, or
rsync upgrading, we
rsync -HPavxz /. newmachine:/new/.
rsync -HPavxz /boot/. newmachine:/boot//new/.
As long as you're not copying /sys or /proc.......
2016 May 03
2
Copying a live system
m.roth at 5-cent.us wrote:
>> I want to backup my current CentOS-7.2 system to another drive.
>> Is it safe to copy the system while it is running?
>> Eg by
>> mount /dev/sdb5 /mnt
>> rsync -HPaxvz /. /mnt/
>> I've found contradictory advice on the web.
>
> Yes. When we're cloning a system, such as a compute node in a cluster, or
> rsync upgrading, we
> rsync -HPavxz /. newmachine:/new/.
> rsync -HPavxz /boot/. newmachine:/boot//new/.
Thanks very much to you, an...