[stgt] targets.conf problem, setting up tape drives

[Tomasz Chmielewski]

Albert Pauw wrote:

> [root at orange tgt]# service iscsi-target restart
> Stopping target framework daemon
> Starting target framework daemon
> Not a HASH reference at /usr/sbin/tgt-admin line 276.
> 
> This is generated because I use the same backing store (a dummy tape 
> with length 0) which gives problems
> in the hash algorithm. If I create an new (dummy) tape with another name 
> it works fine.

Yep, that's the problem - and I'm afraid there is no easy way to change 
it (but it could give some better error notification).

A simple workaround might be to create a symlink as a second backing store.

Long term, I guess we'd have to use our own parser rather than rely on 
Config::General.

(...)

>         element_type "4,address=500,tid=1,lun=2"
>         element_type "4,address=500,tid=1,lun=3"
>         media_home "/root/tapes"
> </backing-store>
> 
> Which generates another interesting error message:
> 
> [root at orange tgt]# service iscsi-target restart
> Stopping target framework daemon
> Starting target framework daemon
> Multiple 'element_type' definitions in 'backing-store' not allowed!
> Check your config file for errors (target: 
> iqn.2008-09.com.example:server.tape).

I'll look at this one. The problem is, "element_type" and "media_home" 
are not yet supported in targets.conf.

Could you provide me with a tgtadm line which would use both 
"element_type" and "media_home"?


-- 
Tomasz Chmielewski
http://wpkg.org
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