Sven Gehr <sven.gehr <at> gmail.com> writes:

> 
> Hi <at> all,
> 
> First I should note that the backup works with bareos but when I label
> tapes I get the folloing error:
> 
> ...
> block.c:998 Read error on fd=5 at file:blk 0:0 on device "LTO4-Drive"
> (/dev/nst0). ERR=Input/output error.
>
> ... 
> My tape is a tanberg LTO-4 hh with the current firmware. When I run
> a IO-Test with the tanberg-tool everything looks good.
> 
> what means this error?
> 
Probably nothing if you are inserting a fresh new tape. The storage
daemon tries to read the existing label of every volume before putting
a new label on a volume that is why its reading the tape before actually
writing the new label. On a new tape it will get a read error which is
fine, the code then knows there is no label and will write the new label.
This extra check is done to be sure we do not overwrite labeled tapes
by accident.

-- 
Marco van Wieringen                   [email protected]
Bareos GmbH & Co. KG                  Phone: +49-221-63069389
http://www.bareos.com                     

Sitz der Gesellschaft: Köln | Amtsgericht Köln: HRA 29646
Komplementär: Bareos Verwaltungs-GmbH
Geschäftsführer: Stephan Dühr, M. Außendorf, J. Steffens,
                 P. Storz, M. v. Wieringen


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