Dan Brown wrote:
This may be a problem then as the IDE holding disk is NFS mounted from a
third machine. The server with the backup is a SCSI only system and
doesn't support IDE.
That's bad indeed, unless you have gigabit ethernet (and even then maybe
not).
drive (+$700CDN / 80GB?!) nor even a $60IDE card for that matter. When
we get our next server I'll convince the people with the money to move
to SATA based servers. A tape library would be nice eventually too.
My amanda server is a recycled 300 MHz PC with 128 Mbyte RAM that nobody
wanted anymore. I just added a scsi adapter and bought a new large disk
(80 Gbyte at that time). Works good enough for me. YMMV.
Will adjusting the tapetype help at all to speed up or slow down the
drive or is that only a rated write speed like CDR/RW (the CDs, not the
burners) are rated to maximum speeds before data corruption starts to
occur?
The speed parameter in tapetype is not used, but gives an indication of
what could be the speed if you don't have other bottlenecks.
I adjusted the tapebufs setting from 20 to 128, and the DLT drive now
writes for around 10 seconds before stopping and seeking. I've adjusted
it to 256 to see what happens once I need to flush the holding disk
again. I think because of the fact the holding disk is mounted via NFS
I may increase this to 512 (16MB) or higher to see what sort of
threshold it has.
Make is as large as possible (if you have the RAM available).
I'm interested in the results of changing tapebufs too.
--
Paul Bijnens, Xplanation Tel +32 16 397.511
Technologielaan 21 bus 2, B-3001 Leuven, BELGIUM Fax +32 16 397.512
http://www.xplanation.com/ email: Paul.Bijnens AT xplanation DOT com
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