Persistent device names under Ubuntu Lucid LTS Server

[carlopmart]

On 01/13/2011 08:07 PM, Joseph Salisbury wrote:
> On 01/13/2011 12:32 PM, carlopmart wrote:
>> On 01/13/2011 06:14 PM, Joseph Salisbury wrote:
>>> On 01/13/2011 11:40 AM, carlopmart wrote:
>>>> Hi all,
>>>>
>>>>    How can I configure persistent name for an iscsi disk that i have
>>>> attached to an ubuntu lucid server??
>>>>
>>>>    For example, under RHEL5.x releases, I have created an udev rule files
>>>> with this content:
>>>>
>>>>    KERNEL=="sd*", BUS=="scsi", PROGRAM=="/sbin/scsi_id -g -u -s %p",
>>>> RESULT=="1IET_00020001", SYMLINK+="isda%n"
>>>>
>>>>    How can I do this with Ubuntu Lucid Server??
>>>>
>>>>    Thanks.
>>>
>>> Hello,
>>>
>>> Are you using multipathing?  If so, you can create an alias using the
>>> WWID for the iscsi volume.  For example, you can add a section in
>>> /etc/multipath.conf like the following:
>>>
>>> multipaths {
>>>           multipath {
>>>                   wwid                    THE_VOLUMES_WWID
>>>                   alias                   THE_PERSISTANT_NAME_YOU_WANT
>>>                   OTHER_OPTIONS_GO_HERE
>>>           }
>>> }
>>>
>>> Joe
>>>
>>
>> No, I am not using multipath...
>>
>
> One option would be to use LVM2.
>
> Also, you could also refer to the UUID in the path:
> /dev/disk/by-uuid/UUID_FOR_ISCSI_VOLUME (Maybe eve create more
> understandable sym-links to these UUIDs).
>
> If you do that, you can modify your /etc/fstab file and replace the
> device name in the first column with the new persistent name. For
> example, replace /dev/sdaN with the following:
>
> /dev/disk/by-uuid/UUID_FOR_ISCSI_VOLUME
>
> This would be done for all the iSCSI volumes referenced in your fstab file.
>
> I believe you could also list the device in the fstab with
> UUID=UUID_FOR_ISCSI_VOLUME vs having the entire path.  Something to test.
>
> Another option would be to use labels and replace the device name with:
> /dev/disk/by-label/LABLE_NAME or LABLE=LABLE_NAME.
>
> HTH,
>
> Joe
>
>

Thanks Joseph .. It works ... But i have another problem. When I try to shutdown the 
server, open-iscsi never stops ... Is this a bug in open-iscsi package ??



-- 
CL Martinez
carlopmart {at} gmail {d0t} com