Date: Wed, 3 Jan 2001 20:04:40 -0400 (AST) From: The Hermit Hacker <scrappy@hub.org> To: Mike Meyer <mwm@mired.org> Cc: <Eric_Stanfield@kenokozie.com>, <questions@FreeBSD.ORG> Subject: Re: a very dumb backup question Message-ID: <Pine.BSF.4.31.0101032003580.672-100000@thelab.hub.org> In-Reply-To: <14931.48360.311640.703454@guru.mired.org>
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On Wed, 3 Jan 2001, Mike Meyer wrote: > Eric_Stanfield@kenokozie.com types: > > I have a number of freebsd boxes up that I've been backing up over the wire > > using samba shares and nt backup software. In my ignorance as a newbie I > > didn't know if sticking a tape drive in the servers and using tar to > > perform backups would catch open files. In my somewhat lesser ignorant > > state as a familiar freebsd guy, I still don't know so I figured I'd ask. > > Will open files (web pages, etc) be backed up to tape using tar? > > Yes, they'll be backed up. Whether or not they'll be useful is another > question, that depends on what's going on in the open file. > > This is the reason for wanting a file system quiescent when you back > it up. Historically, you do backups in single user mode to insure > that. Practically, the open files will have dates more recent than the > backup date after it finishes, so it's reasonable safe for > incrementals so long you don't hit the case some file being open > during backups every day. > > Final comment - I'd recommend dump instead of tar, especially for the > root file system, because historically it's tracked changes to the > file sysystem and special files better than tar. And, if you are dealing with multiple machines, I'd definitely recommend using Amanda ... starting using it a few months back and it makes backups sooooo much smoother ... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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