search for: hpavxz

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

...m 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.... mark

...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, and all who responded to my query. -- Timothy Murphy gayleard /at/ eircom.net School of Mathematics, Trinity College, Dublin

I manage a set of CentOS operations workstations which are all clones of each other (3 "live" and 1 "spare" kept powered down); each has a single drive with four partitions (/boot, /, /home, swap). I've already set up cron'd rsync jobs to copy the operations accounts between the workstations on a daily basis, so that when one fails, it is a simple, quick process to swap