= Export iSCSI with gustini =
This document describes how to add new new volumes on gustini and add them into the OS.

== via Web-Frontend ==
{{{
* Log into gustini via webfrontend
* Manage
  + Volume Management
    - add volume 
      add volume size and name but leave LUN blank (NONE)
    - volume mapping
      find the next free scsi-lun
      * run "multipathd -k" on dijkstra
        + show topology
	geo2-boot (3600c0ff000d5f6bde2d4cf4901000000) dm-7 HP      ,MSA2012i      
	[size=245M][features=0][hwhandler=0]
	\_ round-robin 0 [prio=0][active]
	 \_ 1:0:0:1 sda 8:0   [active][ready]
	 \_ 0:0:0:1 sdb 8:16  [active][ready]
                  ^ that is the LUN
      find the next unused one and map it
  + on dijkstra: rescan the iscsi bus
    iscsiadm -m node --targetname "iqn.1986-03.com.hp:storage.msa2012i.0834d5ecda.a" --rescan

  + on dijkstra: add aliases to the wwids (show topology)
  + on dijkstra: /etc/init.d/multipath-tools reload
}}}

== via telnet interface ==
{{{
* Log into gustini via telnet
* create a new volume (eg berlioz-boot) on vdisk giustini-vdisk-1:
  + create volume vdisk giustini-vdisk-1 size 256MB berlioz-boot
  (there is a 'help create volume' command with lots of informations)
* find the next free LUN numbers on traetta:
  + show host-maps traetta
* map the new volume to traetta.debian.org, LUN 12
  + map volume berlioz-boot lun 12 host traetta access rw
  (again, there is a 'help map volume' command with lots of informations)
}}}