Amanda-Users

Re: use 2 drives

2005-12-12 11:20:34
Subject: Re: use 2 drives
From: Thomas Grieder <amanda AT moonsmile DOT ch>
To: amanda-users AT amanda DOT org
Date: Mon, 12 Dec 2005 17:10:19 +0100
Paul Bijnens wrote:
> Thomas Grieder wrote:
>> Hi
>>
>> How is it possible to use more than one drive?
>>
>> Is it possible to run two backup jobs at the same time to different
>> drives in the same backup library?
> 
> Yes, but the clients need to be separated in the two configs. You
> cannot have some DLEs in one config and other DLEs of the same
> client in the other config.
> 
> Using two drives in one configuration is currently not possible.
> (Apart from chg-multi: using one after the other, which is not
> what you intend, I guess.)
> AAPW(*)
> 
> If you have 3 or more drives, you could use the rait output driver.
> (For rait with 2 drives, there is no gain in speed or capacity,
> because the second tape is a mirror in that case.)
> 
> To use one client in two configs at the same time, you can also
> stretch Amanda a little:
> Compile the Amanda suite again, installing it in a different place,
> and specifying a different set of ports for /etc/services:
> 
>    ./configure --with-testing=_2 --with-user=... ...
> 
> This will add a suffix "_2" to the service names, and we add those
> in /etc/services:
> 
>   amanda_2      10090/udp
>   amandaidx_2   10092/tcp
>   amidxtaped_2  10093/tcp
> 
> Install and configure this second set of programs on both server and
> client. That probably means you need to change the --with-prefix too
> or use something like --program-suffix=... (I have never used that
> last option, it could mean something else! use at your own risk!)
> 
> And now this client can accept requests from two different configs
> at the same time, each using their own set of ports.
> 
> 
> (*) All Applicable Patches Welcome.
> 

Thanks to all of you. I have not had two configs yet. Therefor I did not
know that 2 different configs can run the same time. I will to it this way.

Thomas

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