On 08/25/2011 11:18 AM, linux guy wrote:
> How did you roll back the update ?
>
> Thanks !
I have a couple of rsync scripts. I run the rsync_backup.sh before I
apply ANY updates no matter how trivial. Then I can always run
rsync_restore.sh to roll back. The only downside is that I have to have
space in /stage/backup to hold a copy of most of my system (the parts I
back up), however I have (2) 750GB drives in my laptop and /stage is the
full second drive so it works out pretty well. Anything I don't plan on
backing up I stage on the /stage drive - I have a number of VM's that I
do not back up in /stage/virtualmachines. This has saved me from having
a down / disabled system many many times...
Here's the scripts:
$ cat rsync_backup.sh
#!/bin/bash
for I in `cat dirlist`
do
echo "[$I]"
echo "=========="
rsync -avXA --delete /${I} /stage/backup
done
$ cat rsync_restore.sh
#!/bin/bash
for I in `cat dirlist2`
do
echo "[$I]"
echo "=========="
rsync -avXA --delete /stage/backup/${I} /
done
and here's my dirlist files (note that I backup /home but in the list
used for restore I don't bother to restore it, however it's nice to have
that option):
$ cat dirlist
bin
boot
cgroup
etc
home
lib
lost+found
misc
opt
root
sbin
selinux
srv
tmp
usr
var
$ cat dirlist2
bin
boot
etc
lib
lost+found
misc
net
opt
root
sbin
selinux
srv
tmp
usr
var
--
---------------------------------------------
Kevin Kempter - Constent State
A PostgreSQL Professional Services Company
www.consistentstate.com
---------------------------------------------
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