Have you tried "symdg delete -force" . Your device group is invalid because one or more devices changed its type (became an R1 or similar state), while the group type is "Regular"
Hi,  I got a reqeust a DG distroy and dg show a dev involved in it but has no dev info in it. but i found a dev that DG is related to same.  am not sure how to distory it... can anyone help me?  ------------------------------------------------------------------------------------------------------------ #symdg show NY_bcv_bak  Group Name:  NY_bcv_bak      Group Type                                   : REGULAR      Valid                                        : No    Symmetrix ID                                 : 000xxxxxxxxx    Group Creation Time                          : Wed Nov 16 14:45:54 2005    Vendor ID                                    : EMC Corp    Application ID                               : SYMCLI      Number of STD Devices in Group               :    1    Number of Associated GK's                    :    0    Number of Locally-associated BCV's           :    1    Number of Locally-associated VDEV's          :    0    Number of Remotely-associated BCV's (STD RDF):    0    Number of Remotely-associated BCV's (BCV RDF):    0    Number of Remotely-assoc'd RBCV's (RBCV RDF) :    0 ------------------------------------------------------------------------------------------------------------ # symdev -sid 73 show 04BD    BCV Pair Information        {         Standard (STD) Device Symmetrix Name   : 04BD        Standard (STD) Device Serial ID        : Not Visible         Standard (STD) Device Group Name       : NY_bcv_bak          BCV Device Symmetrix Name              : 084D        BCV Device Serial ID                   : Not Visible         BCV Device Associated Group Name       :NY_bcv_bak          BCV Device Status                      : Ready           (RW)          State of Pair ( STD <=\=> BCV )        : Split        Time of Last BCV Action                : Wed Nov 28 17:32:31 2007          State of BCV Mirrors                   : N/A          BCV State Flags                        : (AllReady)        Percent Split                          : 100%          Number of Inv. Tracks for STD Device   :        0        Number of Inv. Tracks for BCV Device   :      174 ------------------------------------------------------------------------------------------------------------  Message was edited by: KCSCP Changed Symmetrix ID.
BCV DG delete