Vicki Stanfield wrote:

I am setting up to transition an existing Amanda config on a Debian
Woody Linux system with one drive to a two drive setup. I have been

Use the chg-multi changer: it emulates a tape changer using
two or more tape drives.

trying to research this and have come up with what I believe is the
correct amanda config:


<SNIP>
tapedev "/dev/nst{1,2},2}"      # the non-rewinding device to write

What's that???

tapes

<SNIP>
# our tape definition
define tapetype HP-C5683Ax2 {
        comment "DDS-4 DAT tape"
        length 16584 mbytes
        filemark 452 kbytes
        speed 2613 kbytes
<SNIP>

I also believe you have hardware compression on, together with
software compression. A capacity of about 16 Gbyte instead of a little
lower than 20 Gbyte is typical for those setups.
Doing hard+soft compression results in a lower tapecapacity for
most drives (all except LTO drives, AFAIK).

Disable hardware compression. Search the list for how to do this,
as this has been discussed numerous times here.


> While I believe that this setup is correct, ...

I would be amazed that amcheck did not complain :-)




--
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
***********************************************************************
* I think I've got the hang of it now:  exit, ^D, ^C, ^\, ^Z, ^Q, F6, *
* quit,  ZZ, :q, :q!,  M-Z, ^X^C,  logoff, logout, close, bye,  /bye, *
* stop, end, F3, ~., ^]c, +++ ATH, disconnect, halt,  abort,  hangup, *
* PF4, F20, ^X^X, :D::D, KJOB, F14-f-e, F8-e,  kill -1 $$,  shutdown, *
* kill -9 1,  Alt-F4,  Ctrl-Alt-Del,  AltGr-NumLock,  Stop-A,  ...    *
* ...  "Are you sure?"  ...   YES   ...   Phew ...   I'm out          *
***********************************************************************