[102068] in RedHat Linux List
Re: dump problem !
daemon@ATHENA.MIT.EDU (Alex Vorobiev)
Tue Dec 1 09:05:05 1998
From: Alex Vorobiev <sasha@forum.swarthmore.edu>
To: redhat-list@redhat.com
Date: Tue, 1 Dec 1998 09:04:31 -0500 (EST)
Cc: umut@kaos.ege.edu.tr
In-Reply-To: <Pine.LNX.3.96.981201141456.1934A-100000@kaos.ege.edu.tr> from "Umut Ceyhan" at Dec 1, 98 02:25:26 pm
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
you have to give dump information about the capacity of your
tape/tapedrive. you could use density/block size, etc. (see dump man
page). what worked for me was explicitly specifying the size (roughly) of
the tape i am using:
dump 0uBf 4000000 TAPE_DEVICE FILE_SYSTEM
for my DDSII 4/8Gb tapes; your mileage may vary. this should let you fit
plenty of data on a tape.
> Hello !
> I am using script as below to back up my filesystems. But when I start
> to backup process, I am taking the message below with no backup. I know
> that I am "rewind"ing the tape with "mt -f /dev/nst0 rewind" command
> before the backup operation, and
> the dat capacity is 4 GB (my filesystem is about 350 MB large). What is
> the reason of this problem ?
>
> My script :
> mt -f /dev/nst0 rewind
>
> #dump 0uf /dev/st0 /home/umut
> #/sbin/dump 0uf /dev/nst0 /usr/local/web2/webusers
> /sbin/dump 0ufn /dev/nst0 /usr/local/web2
>
> mt -f /dev/nst0 weof
> mt -f /dev/nst0 rewind
>
>
>
>
> Output of the script :
>
> DUMP: No group entry for operator.
> DUMP: Date of this level 0 dump: Tue Dec 1 14:15:20 1998
> DUMP: Date of last level 0 dump: the epoch
> DUMP: Dumping /dev/sda8 (/usr/local) to /dev/nst0
> DUMP: mapping (Pass I) [regular files]
> DUMP: mapping (Pass II) [directories]
> DUMP: estimated 305677 tape blocks on 7.85 tape(s).
> DUMP: dumping (Pass III) [directories]
> DUMP: dumping (Pass IV) [regular files]
> DUMP: End of tape detected
> DUMP: Closing /dev/nst0
> DUMP: Change Volumes: Mount volume #2
> DUMP: Is the new volume mounted and ready to go?: ("yes" or "no") y
> DUMP: Volume 2 begins with blocks from inode 165271 -----------> ???
> DUMP: End of tape detected
> DUMP: Closing /dev/nst0
> DUMP: Change Volumes: Mount volume #3
> DUMP: Is the new volume mounted and ready to go?: ("yes" or "no")
> DUMP: Volume 3 begins with blocks from inode 165271 -----------> ???
> DUMP: End of tape detected
> DUMP: Closing /dev/nst0
> ....
> and going on with the same message ???
>
> Can anyone help me ?
>
> Thansk lot !
>
> Umut Ceyhan
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