Thank you very much Jeff Malka <[EMAIL PROTECTED]> Registered Linux user 183185 ----- Original Message ----- From: Stew Benedict <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Saturday, November 04, 2000 8:16 AM Subject: Re: [expert] Backing up to tape > > See Below.... > Stew Benedict > > On Sat, 4 Nov 2000, Jeff Malka wrote: > > > Questions re backing up to tape. > > 1) Which is the correct command tor a full tape backup: > > tar cvf /dev/ht0 or tar cvf /dev/ht0 / > > Does it include the "/"? > > > > yes you need *something* after /dev/ht0, / or . work if you want > everything > > > Does this erase the previous backup on the tape or add it after the previous > > archive on tape? > > > > I don't use IDE tape drives, but in SCSI you have to devices, the > rewinding and non-rewinding device. If you want to append files to the > end of an existing tape, you need to use the non-rewinding device and the > mt commands "mt fsf 1" for example to move to a free area on the tape. > Looks like there is a nonrewinding version of ht0: /dev/nht0 > > > 2) How does one exclude the /mnt partition from the backup? > > > man tar - you need to use the exclude option: > > tar -cf /dev/st0 --exclude proc . > > > 3) To restore, what would be the command? Does this restore the "system" or > > does one also need to re-install to restore a working linux system? > > > > cd / > tar -xf /dev/ht0 > . > of for multiple volumes: > > cd / > mt -f /dev/ht0 fsf 1 > tar -xf /dev/ht0 > > Of course you'll need a boot disk like tomsrtbt to get to a command line, > and you'll need to mount your partitions, etc, and you'll need the > driver/module for you tape device - plan now, before disaster strikes > > > 4) how to delete the tape contents? > > > > Just write over 'em. Or use: mt -f /dev/ht0 erase > > > Thank you. > > > > > > > > -- > > Jeff Malka <[EMAIL PROTECTED]> > > Registered Linux User 348854 > > > > > > > > > ---------------------------------------------------------------------------- ---- > Keep in touch with http://mandrakeforum.com: > Subscribe the "[EMAIL PROTECTED]" mailing list. >
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