Date: Tue, 7 Dec 1999 13:33:57 -0800 (PST) From: <keith@mail.telestream.com> To: Micke Josefsson <mj@isy.liu.se> Cc: freebsd-questions@FreeBSD.ORG Subject: RE: /dev/rsa0 Message-ID: <Pine.LNX.4.10.9912071333030.23694-100000@mail.telestream.com> In-Reply-To: <XFMail.991207105936.mj@isy.liu.se>
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If I opted to go ahead and use tar, would that mean I would need to format the tapes and create a filesystem on the tape as opposed to a raw dump. Keith. On Tue, 7 Dec 1999, Micke Josefsson wrote: > > On 06-Dec-99 keith@mail.telestream.com wrote: > > In the dump man page it states; > > "/dev/rsa0 default tape unit to dump to" > > I am wanting to use a Sony Super Station tape system as a device to dump > > to. Would the /dev/rsa0 change to some other dev? If not, how does the > > system know to call it rsa0? The unit is an IDE device. > > Realy green on tape systems and FreeBSD so show some sympathy. :) > > Any RTFM URL's would be greatly apreciated, or some simple advise on tape > > storage and FreeBSD would be nice, or comments/don't do it's. Any info is > > great. > > > > Thanks a million. > > Keith > > Is the Sony drive recognized during boot? (the command dmesg, shows you this). > If it is recognized as, say, /dev/wd1 (for the sake of the argument) then you > can dump a complete partition as > > dump -0uaf /dev/wd1 /dev/wd0s1a > > The flags are: 0 - make a total as opposed to an incremental backup > a - go on until the tape is at the end (unless the backup > is copmplete by then) > u - log successful dumps to /etc/dumpdates > f - dump to device specified (can actually be a file too!) > > > Note that you can only dump partitions with dump, for files and/or directories > you use the tar command. > > And if your drive also exists in a version with an 'r' prepended (a la > /dev/rwd1), this is a rewinding device - it rewinds after completion, the > device /dev/nrwd1 is a non rewinding device and simply stops where it is when > the dump command is finished. In the latter case you can have multiple dumps on > one tape easily, in the former you would have to scan forward to end of > recording and then dump anew. > > (For SCSI the command 'mt fsf 1' spins 1 record forward, ie. one dump.) > > /Micke > > > > > > > > > > > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > > with "unsubscribe freebsd-questions" in the body of the message > > ---------------------------------- > Michael Josefsson, MSEE > mj@isy.liu.se > > This message was sent by XFMail > running on FreeBSD 3.1 > ---------------------------------- > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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