Hi
Thank's for your answer.
mån 2005-02-14 klockan 09:36 +0100 skrev Andreas Haumer:
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> Hi!
>
> Niclas Ember schrieb:
> | Hi
> |
> | I'm trying to run amanda on a Fedora Core 3 server. I use the rpm:s
> | supplied with the distribution.
> | I use a HP Surestore WS80 (I think, can't read it now because the tape
> | is stuck :( ), with a HP DLT IV Data Cartridge. This tape should be
> | capable of storing 40 GB uncompressed data.
> |
> This must be a HP SureStore VS80 drive, which identifies itself as
> Vendor: BNCHMARK Model: DLT1
>
> | I try to backup a directory (/Exports), on the same server as the tape-
> | drive, containing about 12,5 GB of data.
> |
> | What happens is that amanda tries to use the whole tape and then
> | "complains" about being "out of tape". In bad cases, like now, the taper
> | even pulls the tape out of the cartridge and get stuck.
> |
> | Could this be a bad configuration, by me, or some hardware-problem with
> | the tape-drive?
> |
> I think you have the same problem we had with exactly the
> same tape drive model. We tried to back up about 50-60GB
> of data each day, using the tape's hardware compression.
> HP replaced the drive three times, but the problem remained:
> for a few days or even weeks the backup went fine. After that,
> the drive began to produce SCSI errors, the error LED on the
> drive started to flash and eventually the cartridge got stuck.
> I tried to optimize the backup configuration with various knobs
> and switches (buffer and block size, size and usage of holding
> disk, etc.), but nothing helped. We finally replaced the drive
> with a LTO drive (HP Ultrium) and all is fine now.
>
> In the meantime I found out that the VS80 works quite
> reliable, if you
>
> a) give amanda a reduced tape size (e.g. 30 or 35GB) and
> b) turn off hardware compression and
> c) let amanda use software compression
I will gladly try this configuration, but I'm not sure how to turn off
the hardware compression.
I got the tape-drive from a company that where upgrading their servers,
so it is used and there were no manuals with it.
>
> I'm testing the VS80 drive with this setup for about two
> months now with daily incremental backup and no problem
> has occured yet. In this test I'm backing up about 100GB
> of data, distributed on 8 DLE's, with a dumpcycle of 3 days
> and one dump on each day.
>
> HTH
>
> - - andreas
>
> - --
> Andreas Haumer | mailto:andreas AT xss.co DOT at
> *x Software + Systeme | http://www.xss.co.at/
> Karmarschgasse 51/2/20 | Tel: +43-1-6060114-0
> A-1100 Vienna, Austria | Fax: +43-1-6060114-71
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/Niclas
|
