At Sun, 21 Jun 2009 11:49:09 +0200 CentOS mailing list <centos at centos.org> wrote: > > > > Hi all. I'm currently having a following problem: I have only ssh connection > to a CentOS 5.2 system, there are two harddiscs on it. One stores the system > (/ filesystem) and the other should be used to help restore the system in > case of first disks' failure. I thought that maybe dump would be a good > utility to make it. But in only works on read-only filesystems. In one Dump works just fine on a read-write file system. There is the pretty much standard limitation (that applies to *all* backup methods) that when backing up an 'active' file system: there will always be files that will miss the backup because they were being written during the backup process. > article I've read that making a snapshot of the / filesystem (then it > wouldbe read-only) and backing it could help. But aren't snapshots limited > to logical volumes (LVM)? My friend told me to use rsync to back up the > entire / filesystem to the second disk and then in case o failure the system > from the copy should boot ok. > > Could anyone provide any suggestions? I don't have physical contact with the > machine so for example RAID 1 isn't a possible option/ > > Any help will be very kindly appreciated. Make an initial dump to get the base system copied, then set up a cron job to sync the disks once a day (or more frequently) with rsync. > > With regards, > R. > > MIME-Version: 1.0 > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > > -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller at deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/