Backup

[071]

Hi!
I have tared up my 'apps' directory and now need to back it up onto a cartridge.
Anyone know the ufsdump command for this ?


Cheers,
71

 

[071]

Also,
Anyone know what command can I use to erase a cartridge ?
Cheers,
71

 

[grega]

Have you tried mt -f /dev/rmt/0 erase. Substitute /dev/rmt/0 to whatever your device name is.

Greg.

 

[071]

Thanks Greg,
Just after doing it, did'nt take long.
I'm now using the following command to back up my tar file.

/usr/sbin/ufsdump -0cuvf /dev/rmt/0 filename



Cheers,
71

 

[071]

I got the following output from the backup:

# /usr/sbin/ufsdump -0cuvf /dev/rmt/0 apps.tar
DUMP: Writing 63 Kilobyte records
DUMP: Date of this level 0 dump: Thu 26 Jul 2001 11:31:36 AM IST
DUMP: Date of last level 0 dump: the epoch
DUMP: Dumping /dev/rdsk/c0t0d0s0 (server:/) to /dev/rmt/0.
DUMP: Mapping (Pass I) [regular files]
DUMP: Mapping (Pass II) [directories]
DUMP: Estimated 1263492 blocks (616.94MB).
DUMP: Dumping (Pass III) [directories]
DUMP: Dumping (Pass IV) [regular files]
DUMP: 81.01% done, finished in 0:02
DUMP: Tape rewinding
DUMP: Finished writing last dump volume
DUMP: Starting verify pass




DUMP: 51.69% done, finished in 0:07


DUMP: Tape rewinding
DUMP: 1263400 blocks (616.89MB) on 1 volume at 899 KB/sec
DUMP: DUMP IS DONE
# # # # # # #

Does this indicate a successfull backup ?






Cheers,
71

 

[KenCunningham]

Looks like you've dumped the whole of the root filesystem. Which is fine if the file you're wanting is within it - it can easily be restored using ufsrestore. However, you might have been better to have used tar to write the individual file to tape:

tar cvf dev/rmt/0 apps.tar

 

[KenCunningham]

Sorry, that should be:

tar cvf /dev/rmt/0 apps.tar

 

[071]

Thanks,
How can I check to see if it was successfull ?
tar tvf /dev/rmt/0 apps.tar ?

And to restore it back.

tar xvf /dev/rmt/0 apps.tar ?


Cheers,
71

 

[KenCunningham]

To check whether the file was written to the tape successfully use:

tar tvf /dev/rmt/0

the command should show you what's on the tape without restoring the file itself.

As you say, restore using tar xvf

Fun this isn't it?

Cheers.

 

[071]

Will 'tar xvf /dev/rmt/0 /opt' restore it onto the /opt partition ? Cheers,
71

 

[KenCunningham]

Your best best is to cd to the /opt directory and issue the tar command from there.

 

[DavidPhillips]

Hi

Along these lines.

What command should I use to backup the whole system and also zip it? if it will fit.

And the restore command?

I guess I need to give a file name in there somewhere.

is this close?

tar zxvf / /dev/rmt/0/filename

tar zxvf /dev/rmt/0/filename /

 

[DavidPhillips]

Or should I use tar xvf / /dev/rmt/0cm

 

[DavidPhillips]

Now that I think about it the one big file idea is pretty lame.

How do I determine the correct density to use for my drive and tapes.

 

[grega]

Use ufsdump & ufsrestore to backup the full server.

Greg.

 

[071]

You can also compress it by using the 'compress' command.
Use 'uncompress' to ... Cheers,
71