On Tue, Feb 25, 2003 at 03:05:24PM +0100, Ra?l Wild-Spain wrote:
> Hi!  I've installed in my debian the amanda system. Thank's to amcheck it 
> seems my config is ok, but I've some doubts and questions (it's no clear for 
> me).
> 
> 1) My tape is a PowerVault (the server is a dell poweredge 4400) and I make 
> use of dds4 tapes ( 40gb ). I've typed the following descriptors in my 
> amanda.conf:
> 
> define tapetype DDS-4-20{
>  comment "DDS-4 PowerVault without compression"
>  length 20000 mbytes
>  filemark 65 kbytes
>  speed 1255 kps
> }
> 
> define tapetype DDS-4-40{
>  comment "DDS-4 PowerVault with compression"

Is this hardware compression?  If using software compression,
the capacity is still to be listed as ~20GB.

> DDS-4-20

I know dumptypes can include other dumptypes, but can tapetypes do so also.
Besides, the speed would differ for HW compression on and off.  Then again,
the speed value is unused, so what's it matter :)  I don't know if filemark
size would change.

>  length 40000 mbytes
> }
> 
> Then my tapetype var is:     tapetype DDS-4-40
> 
> Do I suppose this will work properly?  Have anyone experience with DDS-4 
> tapes and amanda?

Lots of people.

> 2) I still haven't the tapes (quantity) , but I must demonstrate to my "boss" 
> that amanda works and will work. Then, I've only 2 tapes dds4 and I thinked 
> the following:
> 
> - doing a full backup every week (on friday night) ( simple ;-) ).
> 
> I've labeled the tapes ( tape01, tape02) and I would like to configure my 
> amanda.conf to this way. (the first week amanda demands to me tape01 .. the 
> next week tape02 ... 01 ... 02 .. )
> 
> I've tried to configure my amanda.conf but I'm not sure it's ok. I've the 
> following:
> 
> dumpcycle 0
> runspercycle 2

Can you fit two runs into a zero size cycle?
I think the runspercycle is meaningless for dumpcycle 0.
But two seems silly.

> tapecycle 2 tapes
> runtapes 1
> 
> tapetype DDS-4-40
> ... etc
> 
> and my crontab.amanda runs amdump every friday night.
> 
> Is this ok? I must to change anything?
> 

That is going to take a long time to convince your boss that amanda is working.
One run/week?   For testing/demo, why not run it nightly or business nightly?

-- 
Jon H. LaBadie                  jon AT jgcomp DOT com
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