Re: unable to complete huge backup

Udo Rader <[email protected]> wrote:

> Hi,
>
> I am quite lost with a somewhat huge backup (approx 120GB) that
> completes "sometimes" but hangs most of the time at some unpredictable
> point. 
>
> The backup is done this way:
>
> % star b=4096 errctl="WARN|GROW|SHRINK|OPEN|READ|READLINK|MISSLINK *" -c
> -acl artype=exustar -f /dev/st0 ${BACKUPDIR} >>${LOGFILE} 2>&1
>
> When I say "hang" it means that nothing is written to the tape any more
> but instead I see two star processes "hanging" around doing virtually
> nothing, both are in S state (=sleep) and stracing them does not show
> any activity.
>
> Adding -vv to the star command above I saw that it hung on one arbitrary
> file.
>
> Some stats:
> ???star 1.5a67
> debian etch, running on a 2.4.27-3-686-smp kernel
> Quantum DLT-V4 on a Adaptec AIC7892 Ultra160 SCSI Controller

This is an extremely old version (> 2 years). Please upgrade to the
recent 1.5a87 it contains a bug fix for a mutex problem with multi core systems.


 ~A