[CentOS] Being Green, Time to make the servers sleep!

Thu Mar 19 13:29:01 UTC 2009
Hugh E Cruickshank <hugh at forsoft.com>

From: James Bensley Sent: March 19, 2009 04:13
> I am trying to be green and put our backup servers to sleep during the
> day and have them wake on LAN and fire back up at night for our
> nightly backups as "sleep" is a sort of low power usage mode.

I can not comment on how to do what your asking but I can see one
potential problem. If your solution involves booting the backup server
and during the boot an error is detected in the filesystem check the
boot process will halt waiting for you to manually correct the problem.
Of course you can avoid the problem by making your backup scripts on
the primary server can implement a time limit on the wait for the
backup server and if the wait times out then skip the backup.

Someone out there more knowledgeable then I (and there are many<g>) may
be able to suggest a way to alter the boot to avoid the filesystem
check (or the halt).


Regards, Hugh

Hugh E Cruickshank, Forward Software, www.forward-software.com