zfs discuss - Aug 2006 - Re: Query on ZFS

Hi Eric,

Customer had come back saying.

I''ve tried this and it doesn''t work. It still displays the
size as 1 gig after saying it''s bringing the lun back online.

Kindly advise.

Thanks
Jaganraj.J




Eric Schrock wrote On 08/15/06 20:49,:
>[ For ZFS discussions, try ''zfs-discuss at
opensolaris.org'' or
>  ''zfs-discuss-confidential at sun.com'' if there is
proprietary
>  information ]
>
>ZFS will detect the expanded LUN when it re-opens the device. 
There''s
>currently no way to automatically do this.  However, if you do a
''zpool
>online <pool> <device>'', this will have the side effect
of reopening the
>device and should pick up the expanded size.  If it doesn''t, then
please
>let us know.
>
>- Eric
>
>On Tue, Aug 15, 2006 at 01:34:38PM +0530, Jaganraj Janarthanan wrote:
>  
>
>>Hi Experts,
>>
>>IHAC who is using solaris 10 06/06 update with KU patch 118833-18 on Sun
>>Fire T2000.
>>
>>Its new machine running zfs and zones. Customer have put a HBA into the 
>>machine and have presented disk to the machine.
>>He have created a zpool from the single lun and it is working fine.
>>
>>Before he start using zfs in a more day to day role he wants to know 
>>*how to go about growing the lun that the zpool is on*.
>>The sun box is connected to a HP EVA 8000 that can dynamicly resize the 
>>luns. This works fine under VxVM and customer is looking for similar 
>>ways to do it under zfs.
>>
>>The goal is to beable to grow the size of a lun via the EVA8000 then 
>>have zfs pick up the change in disk size.
>>
>>configuration for zfs:
>>[root at gryphon:~]# zpool list zfstest
>>NAME                    SIZE    USED   AVAIL    CAP  HEALTH     ALTROOT
>>zfstest                1008M    372K   1008M     0%  ONLINE     -
>>[root at gryphon:~]# zpool status zfstest
>> pool: zfstest
>>state: ONLINE
>>scrub: none requested
>>config:
>>
>>       NAME                                     STATE     READ WRITE
CKSUM
>>       zfstest                                  ONLINE       0     0    
0
>>         c3t600508B400104BD90000A00008230000d0  ONLINE       0     0    
0
>>
>>errors: No known data errors
>>
>>A Pointer to a document that describes this proceedure, or instruction 
>>on how to do it would be great.
>>
>>Kindly reply to me iam not in alias (just subscribed)
>>
>>Thanks
>>Jaganraj.J
>>
>>    
>>
>
>--
>Eric Schrock, Solaris Kernel Development       http://blogs.sun.com/eschrock
>  
>
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Jaganraj Janarthanan wrote:
> Customer had come back saying.
> I''ve tried this and it doesn''t work. It still displays
the size as 1 gig after saying it''s bringing the lun back online.
> Eric Schrock wrote On 08/15/06 20:49,:
>> [ For ZFS discussions, try ''zfs-discuss at
opensolaris.org'' or
>>   ''zfs-discuss-confidential at sun.com'' if there is
proprietary
>>   information ]
>>
>> ZFS will detect the expanded LUN when it re-opens the device. 
There''s
>> currently no way to automatically do this.  However, if you do a
''zpool
>> online <pool> <device>'', this will have the side
effect of reopening the
>> device and should pick up the expanded size.  If it doesn''t,
then please
>> let us know.
>>
>> - Eric
Hi Jaganraj,
As I recall, one of the projects that''s still on the table
within the relevant team is lun expansion. I don''t recall
any email (prior to being RIFfed) saying that the project
has reached integration yet. Until it does, you''ll probably
have to reboot :(


cheers,
James C. McPherson