Date: Mon, 14 Mar 2005 17:28:26 +0100 (CET) From: Svein Halvor Halvorsen <svein.h@lvor.halvorsen.cc> To: Jerry McAllister <jerrymc@clunix.cl.msu.edu> Cc: freebsd-questions@freebsd.org Subject: Re: What's the easiest way to do a backup and verify? Message-ID: <20050314172547.Y81679@maren.thelosingend.net> In-Reply-To: <200503141530.j2EFUQj15904@clunix.cl.msu.edu> References: <200503141530.j2EFUQj15904@clunix.cl.msu.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
* Jerry McAllister [2005-03-14 10:30 -0500] > > [...] So then wouldn't a second dump of the same snapshot diffed to > > the tape device be a good for a verify? > No, because the condition of the files that you are dumping the second > time is different from the first time. : > Most places cannot afford to make file systems completely unavailable > for periods of time long enough (several hours, up to a couple of days) > to allow dump to be run twice without any changes being made to the > file system. Note the OP's use of the word "snapshot". I think he is right! Or if he isn't; it has nothing to do with the filesystem beeing changed, but rather something to do with the way the backup is written to tape. However, I do think snapshots could be used for exactly this.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20050314172547.Y81679>