Yes, it will do a read of the entire tape. There is a config file option
called amrecover_do_fsf that if set to true will fsf your tape to the
correct spot if your drive supports it, which is much faster than a linear
read.
I do have that set, and the drive finished up in about 1 hour. It
Contention on the disk, especially if it is also
used for other
tasks, and compounded if inparallel is set very high. RAID5
is often
not high-performance. I've seen some that do well on a
single read
or write, but seriously degrade with a few simultaneous operations.
Either way, if
Hello,
Ok, I have increased tapebufs to 80, I'm not really sure how high to
increase it though. I do have plenty of free ram.
I've increased it to 1024 on my PowerEdge 2850 with 8GB RAM.
Ok wow that's a huge increase. I'll keep trying smaller increments until I
get the error and then
On 2006-07-11 14:13, Jerlique Bahn wrote:
Just a thought: Were you sitting next to the tape drive while running the
above test? Did you see it stopping and re-starting over and over...?
Yes it is starting and stopping at frequent intervals. I recompiled amanda
with --with-buffered-dump to
On Tue, Jul 11, 2006 at 09:07:32PM +0930, Jerlique Bahn wrote:
Yes, it will do a read of the entire tape. There is a config file option
called amrecover_do_fsf that if set to true will fsf your tape to the
correct spot if your drive supports it, which is much faster than a linear
read.
Hi Frank,
## This is from the changer.debug
MT - /usr/local/amanda/sbin/ammt -f
DD - /usr/local/amanda/sbin/amdd
Args - -slot next
- rewind /dev/nsa0
/dev/nsa0 rewind failed: Permission denied
Looks like this is your main problem, you don't have permissions to
the tape drive.