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June 19th, 2007 05:00

symsnap

Hi!

I try to create a snap (VDEV) with the symsnap command but get this error message:

# symsnap -g xplucod2_u01 create -v BCV001 vdev ld VDEV001

Execute 'Create' operation for device 'BCV001'
in device group 'xplucod2_u01' (y/ ) ? y

'Create' operation execution is in progress for device 'BCV001'
paired with target device 'VDEV001' in
device group 'xplucod2_u01'. Please wait...


SELECTING the list of Source devices in the group:

Device: 085C [NOT SELECTED - SYMAPI_C_BCV_IS_BCV_ATTACHED]

The BCV device cannot be manipulated because it is BCV attached to a STD device




The devicegroup looks like this:

$ symld -g xplucod2_u01 list


Device Group (DG) Name: xplucod2_u01
DG's Type : REGULAR
DG's Symmetrix ID : 000287751114


BCV Devices associated with this dg:

BCV Device Standard Device Status
------------------------------------ --------------------------- ------------
Inv. Inv.
Logical Sym RDF Att. Tracks Logical Sym Tracks BCV <=> STD
------------------------------------ --------------------------- ------------

BCV001 085C (M) - 0 0850 0 Split

Total -------- --------
MB(s) 0.0 0.0


Legend for BCV devices:

(+): BCV is paired with a member STD device.
(-): BCV is paired with a non-member STD device.


Symmetrix Virtual Devices associated with this dg:

VDEV Device Source Device Status
----------------------------------- ---------------------------- -------------

Logical Sym Att. Sts Logical Sym SRC <=> VDEV
----------------------------------- ---------------------------- -------------

VDEV001 0696 (M) NR N/A N/A NotCreated


Anyone who knows what's wrong?

If I run
# symsnap -g xplucod2_u01 create -v DEV001 vdev ld VDEV001

it works properly but I don't want the snap on the STD-device.
How can I create it on the the BCV ?


Best regards

2 Intern

 • 

20.4K Posts

June 19th, 2007 08:00

this might help ..look at this article:

emc140249

4 Posts

June 20th, 2007 00:00

Where can I find emc140249 ?

219 Posts

June 20th, 2007 02:00

You have to login into powerlink. And there you have got an search for the knowledgebase (in my case in the upper right @ first page).

Menustructure:
Home > Support > Knowledgebase-Suche > Gesamtsuche

131 Posts

June 20th, 2007 02:00

Its an EMC knowledgebase article number. There should be a link to the knowledgebase from the "Support" menu in PowerLink.

4 Posts

June 20th, 2007 04:00

I find it!

-----------------------
Devices were previously used with symmir command under Emulation Mode - so although BCV status is reporting as split on 'symmir query', its actually in a Clone activated state in the background.

The error message is slightly misleading - we have not used 'symmir attach' here.

You can check if emulation mode is enabled on a device with 'symdev show xxx' and look at the following field:

BCV State Flags : (AllReady)(Emulation)

To terminate this session, use 'symmir -g group cancel', following that, you should be able to proceed with creation of new session.

-----------------------


BCV State Flags is "Emulation"

and I tried "symmir cancel"...

# symmir -g xplucod2_u01 cancel

Execute 'Cancel' operation for device group
'xplucod2_u01' (y/ ) ? y

'Cancel' operation execution is in progress for
device group 'xplucod2_u01'. Please wait...


Cannot perform the operation because no devices have been added to the group

2 Intern

 • 

20.4K Posts

June 20th, 2007 05:00

good , the only caveat to this is that the next time you establish this BCV to STD device , it will do a full sync again.

4 Posts

June 20th, 2007 05:00

Now it worked!

(I forgot to run the "symld moveall"-commande before the cancel command....)


$ symsnap -g xplucod2_u01 create -v BCV001 vdev ld VDEV00 >

Execute 'Create' operation for device 'BCV001'
in device group 'xplucod2_u01' (y/ ) ? y

'Create' operation execution is in progress for device 'BCV001'
paired with target device 'VDEV001' in
device group 'xplucod2_u01'. Please wait...


SELECTING the list of Source devices in the group:

Device: 085C [SELECTED]

SELECTING Target devices in the group:

Device: 0696 [SELECTED]

PAIRING of Source and Target devices:

Devices: 085C(S) - 0696(T) [(M) PAIRED]
Devices: 085D(S) - 0697(T) [(m) PAIRED]

STARTING a Snap 'CREATE' operation.

The Snap 'CREATE' operation SUCCEEDED.

'Create' operation successfully executed for device 'BCV001'
in group 'xplucod2_u01' paired with target device 'VDEV001'.


Thanks for help!
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