Re: [Xen-API] Attach iSCSi to XCP 1.6

[Denis Cardon <denis.cardon@xxxxxxxxxxxxxxxxxxxxxx>]

Hi Samir,


>  From XCP interface:
> 1- Disk & Storage Repositories-> Attach Existing Storage Repository
if you are using this lun for the first time, you have to select "Create 
new storage repository", otherwise XCP expect to find some XCP metadata 
on the iscsi LUN.
Another problem you may bump into is that the lvm filter are not set 
proprely on the home made SAN and since XCP create logical volumes on 
the iscsi LUN, it can confuse the iscsi target server when it boots and 
finds lv in lv (look for /etc/lvm/lvm.conf on SAN).
Cheers,

Denis

> 2- Type the root password
> 3- Select Software iSCSI
> 4- In New Storage Repository Window, type:
> ** Name: VMs
> ** Desc: VMs
> ** Initiator IQN: iqn.2013-03.com.example:f503e924
> ** Port number: 3260
> ** Hostnameof iSCSI target: 192.168.1.201
> ** username: nasusr
> ** Password : nasusr password as defined in Openfiler
> 5- Hit OK
> 6- XCP show the iSCSI's I have in Openfiler.
> 7- I choose TPTG 0 iqn.2006-01.com.example:nas.vms
> 8- Probing for LUNs, I get an error message "(' timed out',)"
>
> But when I go to local command shell and I type these commands, it works:
> 1- *iscsiadm -m discovery -t st -p 192.168.1.201*: displays all the
> iSCSI I have in my openfiler
> 2- *iscsiadm -m node -p 192.168.1.201 --login*:  successful on all iSCSI
> disks
> 3- *fdisk -l*: I see all the iSCSI drives with the mention "Donesn't
> contain a valide partition table"
>
> I tried to apply the fix listed in
> https://forums2.openfiler.com/index.php?/topic/1564-iscsi-and-xen-server-storage-repository-issue/page__hl__lvm.conf
> but I could n't find:
> - In /etc/rc.sysinit:
>            if [ -x /sbin/lvm.static ]; then
>                            if /sbin/lvm.static vgscan --mknodes
> --ignorelockingfailure > /dev/null 2>&1 ; then
>                                            action $"Setting up Logical
> Volume Management:" /sbin/lvm.static vgchange -a y --ignorelockingfailure
>                            fi
>            fi
> - In /etc/rc.sysinit: keyword filter not found
>
> I tried also adding iSCSI using XenCenter 6.1 build 644, but I'm getting
> the error message: Discovering LUNs failed
>
> My questions:
> 1- Why I can't attach the iSCSI from the XCP interface : It works from
> the command line
> 2- Why *fdisk -l*says the iSCSI devices are not partitionned but
> iqn.2006-01.com.example:nas.vms is already ext3 formated in openfiler
>
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> This body part will be downloaded on demand.

--
Denis Cardon
Tranquil IT Systems
Les Espaces Jules Verne, bâtiment A
12 avenue Jules Verne
44230 Saint Sébastien sur Loire
tel : +33 (0) 2.40.97.57.55
http://www.tranquil-it-systems.fr


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