Re: backup - how to?
From: Jose Maria Lopez Hernandez (jkerouac_at_bgsec.com)
Date: 11/06/04
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Date: Sat, 06 Nov 2004 18:08:11 +0100
Jean-David Beyer wrote:
> sillvan wrote:
>
>> Hi everyone! Can enyone help me how to start backup? I have RH 9.0
>> installed
>> on IBM server and I'd like to backup system on streamer. Streamer
>> seems to
>> be ok but it doesn't work good... I've got information that operation
>> stoped unsuccesfully. I'm using tar, dump, mindi, mondo and others.. I
>> don't know what to do - maybe some of You can write me how to start it
>> step
>> by step? Streamer is SCSI on /dev/st0, mt commands looks good -
>> workin' but
>> nothing else...
>> Help me please!!!
>> Thanks for any suggestions
>> Lukas
>
>
> I cannot stand tar as backup software. That may be a personal
> ideosyncracy of mine.
>
> If you are willing to use commercial software, I would suggest BRU and
> CRU, though you must get a license to run BRU.
>
> If you want to remain with open source, I would make a shell script to
> do the job, and have cron run it. In the cron script I would have a
> command that does a _find_ to select the files to backup, and pipe its
> out put to _cpio_ to actually write the files to tape. I did this for
> years until I switched to BRU.
>
> As far as streaming tapes are concerned, I did backups on a floppy tape
> drive for many years using QIC tapes. I do not recommend these as they
> are slow, too small for today's large hard drives, and not inherently
> reliable.
>
> I obtained terrible results with DDS-2 SCSI tape drives, in particular
> HP C1599A drives, and would not use them if I could possibly help it.
> Fortunately, I discovered Ecrix (now Exabyte) VXA tape drives. My old
> machine has a VXA-1 drive in it, and my new machine has a VXA-2 drive in
> it. These have worked perfectly.
>
> You say "I've got information that operation stop[p]ed unsuccesfully."
>
> We cannot help without your sharing that information. It could be bad
> tape, a bad tape drive, a poorly (or non) terminated SCSI cable, or
> G.O.K. what else.
>
> Possibly something like this:
>
> find / -print | cpio --create --format=crc --io-size=65536 --file=/dev/st0
>
> This is off the top of my head and not tested, but it should give you an
> idea of what I would do. It would back up absolutely everything on your
> machine. You will almost certainly wish to be more restrictive in the
> _find_ part of this command.
>
Another commercial option is Arkeia, it's a very capable package,
and not very expensive.
-- Jose Maria Lopez Hernandez Director Tecnico de bgSEC jkerouac@bgsec.com bgSEC Seguridad y Consultoria de Sistemas Informaticos http://www.bgsec.com ESPAŅA The only people for me are the mad ones -- the ones who are mad to live, mad to talk, mad to be saved, desirous of everything at the same time, the ones who never yawn or say a commonplace thing, but burn, burn, burn like fabulous yellow Roman candles. -- Jack Kerouac, "On the Road"
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