I think about using dd instead of dump? Is this an acceptable idea? 2009/6/21 Robert Heller <heller at deepsoft.com> > 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/ > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20090621/dde317c1/attachment-0005.html>