Description

This document attempts to explain the steps required to delete EMC SRDF "RDF group" pairing using "symrdf "deletepair.

In this instance, the configuration consists of "4" EMC SRDF "R1" devices presented to production server "Dopey" from EMC Symmetrix id (SID) "822". An additional "4" EMC SRDF "R2" devices have been presented to DR server "Bashful" from EMC Symmetrix ID (SID) "414".


Figure 1.0
 

Steps


In this instance, the EMC DeviceGroup is called "DopeyDg".


1.] Suspend the SRDF replication state.
 

Dopey # symrdf -g DopeyDg suspend

Execute an RDF 'Suspend' operation for device group 'DopeyDg' (y/[n]) ? y

An RDF 'Suspend' operation execution is in progress for device group 'DopeyDg'. Please wait...

    Suspend RDF link(s).......................................Done.

The RDF 'Suspend' operation successfully executed for device group 'DopeyDg'.


2.] Confirm the replicated status reports "Suspended".


In this instance, the EMC Symmetrix ID is "822" on the local host "R1 side" (Dopey).


Dopey # symrdf -sid 822 list pd

Symmetrix ID: 000290300822

                              Local Device View
----------------------------------------------------------------------------
                    STATUS     MODES                     RDF  S T A T E S
Sym        RDF      ---------  -----  R1 Inv   R2 Inv ----------------------
Dev  RDev  Typ:G    SA RA LNK  MDAT   Tracks   Tracks Dev RDev Pair
---- ---- --------  ---------  ----- -------  ------- --- ---- -------------

008C 0072   R1:11   RW RW NR   S..1        0        0 RW  WD   Suspended
008D 0073   R1:11   RW RW NR   S..1        0        0 RW  WD   Suspended
008E 0074   R1:11   RW RW NR   S..1        0        0 RW  WD   Suspended
008F 0075   R1:11   RW RW NR   S..1        0        0 RW  WD   Suspended

Total                               -------- --------
  Track(s)                                 0        0
  MB(s)                                  0.0      0.0


Legend for MODES:

 M(ode of Operation): A = Async, S = Sync, E = Semi-sync, C = Adaptive Copy
 D(omino)           : X = Enabled, . = Disabled
 A(daptive Copy)    : D = Disk Mode, W = WP Mode, . = ACp off
 (Mirror) T(ype)    : 1 = R1, 2 = R2


or


Dopey # symrdf -g DopeyDg query


Device Group (DG) Name             : DopeyDg
DG's Type                          : RDF1
DG's Symmetrix ID                  : 000290300822    (Microcode Version: 5773)
Remote Symmetrix ID                : 000290301414    (Microcode Version: 5773)
RDF (RA) Group Number              :  11 (0A)


       Source (R1) View                 Target (R2) View     MODES
--------------------------------    ------------------------ ----- ------------
             ST                  LI      ST
Standard      A                   N       A
Logical       T  R1 Inv   R2 Inv  K       T  R1 Inv   R2 Inv       RDF Pair
Device  Dev   E  Tracks   Tracks  S Dev   E  Tracks   Tracks MDA   STATE
-------------------------------- -- ------------------------ ----- ------------

DEV08C  008C RW       0        0 NR 0072 WD       0        0 S..   Suspended
DEV08D  008D RW       0        0 NR 0073 WD       0        0 S..   Suspended
DEV08E  008E RW       0        0 NR 0074 WD       0        0 S..   Suspended
DEV08F  008F RW       0        0 NR 0075 WD       0        0 S..   Suspended

Total          -------- --------           -------- --------
  Track(s)            0        0                  0        0
  MB(s)             0.0      0.0                0.0      0.0

Legend for MODES:

 M(ode of Operation): A = Async, S = Sync, E = Semi-sync, C = Adaptive Copy
 D(omino)           : X = Enabled, . = Disabled
 A(daptive Copy)    : D = Disk Mode, W = WP Mode, . = ACp off

3.] Delete the SRDF R1 to R2 pairing, using "symrdf deletepair"


Dopey # symrdf -g DopeyDg deletepair

Execute an RDF 'Delete Pair' operation for device group 'DopeyDg' (y/[n]) ? y

An RDF 'Delete Pair' operation execution is in progress for device group 'DopeyDg'. Please wait...

    Delete RDF Pair...........................................Started.
    Delete RDF Pair...........................................Done.

The RDF 'Delete Pair' operation successfully executed for device group 'DopeyDg'.


4.] Confirm the SRDF R1 to R2 device pairing has been deleted.


Dopey # symrdf -g DopeyDg query

Device group 'DopeyDg' is not a RDF group.

or


Dopey # symrdf -sid 822 list pd

Symmetrix ID: 000290300822

There are no RDF devices that are visible to this host.

Note: The RDF group still exists at this point.


Dopey # symcfg -sid 822 list -rdfg all

Symmetrix ID : 000290300822

                S Y M M E T R I X   R D F   G R O U P S

    Local              Remote                   Group               RDFA Info
--------------  ---------------------  -----------------------  -----------------
            LL                                      Flags  Dir  Flags  Cycle
 RA-Grp  (sec)   RA-Grp  SymmID        T    Name     LPDS  Cfg  CSRM   time   Pri
--------------  ---------------------  -----------------------  -----  -----  ---
  1 ( 0)    10    1 ( 0) 000290301414  S SETUP_GRP   .X..  F-S  -IS-      30   33
  2 ( 1)    10    2 ( 1) 000290301414  D Sol-01      .XX.  F-S  -IS-      30   33
  3 ( 2)    10    3 ( 2) 000290301414  D Sol-02      .XX.  F-S  -IS-      30   33
  4 ( 3)    10    4 ( 3) 000290301414  D Sol-03      XX..  F-S  -IS-      30   33
  5 ( 4)    10    5 ( 4) 000290301414  D Sol-04      XX..  F-S  -IS-      30   33
  6 ( 5)    10    6 ( 5) 000290301414  D Sol-05      XX..  F-S  -IS-      30   33
  7 ( 6)    10    7 ( 6) 000290301414  D aix-01      XX..  F-S  -IS-      30   33
  8 ( 7)    10    8 ( 7) 000290301414  D ESX-01      XX..  F-S  -IS-      30   33
  9 ( 8)    10    9 ( 8) 000290301414  D v20z-03-04  XX..  F-S  -IS-      30   33
 10 ( 9)    10   10 ( 9) 000290301414  D 710_03-06   XX..  F-S  -IS-      30   33
 11 ( A)    10   11 ( A) 000290301414  D Dopey       XX..  F-S  -IS-      30   33     <<<< Note

Legend:
  ?                 : Unknown
  Group (T)ype      :  S = Static, D = Dynamic
  Director (C)onfig :  F-S = Fibre-Switched, F-H = Fibre-Hub
                       G = GIGE, E = ESCON, T = T3, - = N/A
  Group Flags       :
      Prevent Auto (L)ink Recovery      : X = Enabled, . = Disabled
      Prevent RAs Online Upon (P)ower On: X = Enabled, . = Disabled
      Link (D)omino                     : X = Enabled, . = Disabled
      (S)TAR mode                       : N = Normal, R = Recovery, . = OFF
  RDFA Flags        :
      (C)onsistency : X = Enabled, . = Disabled, - = N/A
      (S)tatus      : A = Active, I = Inactive, - = N/A
      (R)DFA Mode   : S = Single-session, M = MSC, - = N/A
      (M)sc Cleanup : C = MSC Cleanup required, - = N/A
 

Process complete.