Hi,
I am running the following
Director, Storage deamon 2.2.6. The library is an Overland Arcvault 24
(LTO3)
Most clients (about 30 ~ 8TB in total) are 2.2.4
Backup are running through fine, but occasionally a volume is marked
with status Error when it is nowhere near full. The backups using the
volume at the time give no errors. Restores from the backups using the
volume are also OK.
I am losing a lot of tape capacity from this however sometime the tape
is marked as Error when only a few Gig has been used.
There is one thing that I thought may have a bearing. I am using a
mixture of spooled and non spooled backups. Some of the backups are on
old hardware, consist of lots of very small files (several million ~1Kb
html files ) and the resulting very poor throughput can result in a big
shoeshining problem - I generally spool these. Other ones are large
database files with good throughput so I run these direct to tape. The
spool files can be as big as 80Gb.
The director allows four concurrent jobs, I have two tape drives one of
which is generally Incrementals only the other Full backups only.
Can there be a problem if a spool file is despooling and a "direct to
tape" job also need to write to the tape? Should I spool all my jobs?
Any advice would be very welcome.
Thanks
Bob
--
Bob Cregan
Unix Systems Administrator
1 Riverside Court
Lower Bristol Road
Bath
BA2 3DZ
Tel: +44 845 0346734
Mobile: 07712388129
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