[K12OSN] RSYNC Question
Jim Kronebusch
jim at winonacotter.org
Wed Mar 10 16:01:00 UTC 2004
Thanks, I'll give it a try.
-----Original Message-----
From: k12osn-admin at redhat.com [mailto:k12osn-admin at redhat.com] On Behalf
Of Spencer, John
Sent: Wednesday, March 10, 2004 12:15 PM
To: 'k12osn at redhat.com'
Subject: RE: [K12OSN] RSYNC Question
The man page is very helpful, below is what I do:
rsync -avcz -e ssh $Sourcehost:/$path $destinationhost:/$path
a = archive **backup mode
v = verbose **good to not use when being run as a cronjob or as an
unattended script, ie 'rsync -acz'
c = checksum **verify packets don't change in transit
z = compress **decrease network bandwidth needed for use
e = specify protocol to use, I prefer ssh to envrypt the packet traffic
_____
From: k12osn-admin at redhat.com [mailto:k12osn-admin at redhat.com] On Behalf
Of Jim Kronebusch
Sent: Wednesday, March 10, 2004 9:45 AM
To: k12osn at redhat.com
Subject: [K12OSN] RSYNC Question
I have seen some stuff referring to rsync with backing up servers. Can
anyone tell me how this works? Can I use this to make an exact copy of
my running production server to a backup server of either equal or
lesser hardware. Idea being that upon hardware failure of the
production server I would have an up to date backup (or possibly only
24hrs behind) to swap in and run as a temporary production server until
the main hardware was repaired. Let me know if this is feasible (maybe
I need identical hardware) and if so where to start (what commands to
issue). Ideally I would like to have the two machines running a
scheduled periodic backup that was automatic and did not require any
manual intervention.
Thanks
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