Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!pacific.mps.ohio-state.edu!zaphod.mps.ohio-state.edu!usc!elroy.jpl.nasa.gov!gryphon!pnet02!lampi From: lampi@pnet02.gryphon.com (Michael Lampi) Newsgroups: comp.sys.apollo Subject: Re: Tar Backups Message-ID: <24957@gryphon.COM> Date: 18 Jan 90 21:20:23 GMT Sender: root@gryphon.COM Organization: People-Net [pnet02], Redondo Beach, CA. Lines: 39 danny@idacom.uucp (Danny Wilson) writes: > > >> lampi@pnet02.gryphon.com (Michael Lampi) writes in <24648@gryphon.COM> : >> [...] >> If you like tar for backups there is no reason it can not be used for such. >> > >There is a big problem with tar for doing backups if your backup >spans multiple tapes. This is not a particular problem with Apollo, >just tar in general. > >This means that, for example, you want to backup a 10 Meg directory >and only have 5 Meg tape, tar will only backup half the directory! > >It does not prompt for a second tape and will not inform you that >data was not recorded. > >-- >Danny Wilson danny@idacom.uucp >IDACOM Electronics alberta!idacom!danny >Edmonton, Alberta X.400 danny@idacom.cs.ubc.cdn >C A N A D A Voice +1 403 462 4545 But if you want to use tar for backups, go right ahead! (I didn't say you HAD to use tar -- just like I wouldn't say you should use floppies, either. It all depends on what you're trying to do and what you are comfortable with. :-) ) Personally, I use cpt to floppies for small stuff, and wbak to 1/2 inch magtape for full backups. Michael Lampi MDL Corporation 213/782-7888 fax 213/782-7927 UUCP: {ames!elroy, }!gryphon!pnet02!lampi INET: lampi@pnet02.gryphon.com "My opinions are that of my corporation!"