RDFA Auto-recovery cannot be enabled
Summary: SRDF/A Auto-recovery cannot be enabled.
Symptoms
The RDFA Auto-recovery feature is enabled by default for new SRDF Groups starting in Magnolia code (10.2). You can disable this feature for an RDFG using the command:
symrdf -sid xxxx -rdfg ## set rdfa -autostart off
Once this feature is turned off, the command to turn it back on does not appear to work. For example:
C:\>symrdf -sid xxxx -rdfg 15 set rdfa -autostart on -nop
An RDF Set 'Attributes' operation execution is in
progress for RDF group 15. Please wait...
SRDF/A Set Autostart (xxxx,0015).................................Started.
SRDF/A Set Autostart (xxxx,0015).................................Done.
The RDF Set 'Attributes' operation successfully executed
for RDF group 15.
C:\>symrdf -sid 06 query -rdfg 15 -rdfa
Symmetrix ID : 00022000xxxx (Microcode Version: 6079)
RDFA Session Number : 14
RDFA Cycle Number : 703212
RDFA Session Status : Active - DSE
RDFA Consistency Exempt Devices : No
RDFA Auto-recovery : Disabled
RDFA Minimum Cycle Time : 00:00:05
RDFA Avg Cycle Time : 00:00:05
RDFA Avg Transmit Cycle Time : 00:00:05
Transmit Queue Depth on R1 Side : 1
Tracks not Committed to the R2 Side: 0
Time that R2 is behind R1 : 00:00:07
R2 Image Capture Time : Tue Jul 22 22:18:40 2025
R2 Data is Consistent : True
RDFA R1 Side Percent Cache In Use : 0
RDFA R2 Side Percent Cache In Use : 0
R1 Side DSE Used Tracks : 0
R2 Side DSE Used Tracks : 0
R1 Side Shared Tracks : 0
Transmit Idle Time : 00:00:00
Remote Symmetrix ID : 00022000yyyy (Microcode Version: 6079)
RDF (RA) Group Number : 15 (0E)
Target (R2) View Source (R1) View FLAGS
--------------------------------- ------------------------ ----- ------------
ST LI ST
Standard A N A
Logical Sym T R1 Inv R2 Inv K Sym T R1 Inv R2 Inv RDF Pair
Device Dev E Tracks Tracks S Dev E Tracks Tracks MCES STATE
--------------------------------- -- ------------------------ ----- ------------
N/A 003FA WD 0 0 RW 004FE RW 0 0 AX.E Consistent
Total ------- ------- ------- -------
Track(s) 0 0 0 0
MB(s) 0.0 0.0 0.0 0.0Cause
This behavior is working as designed. Once this feature has been disabled, it can only be reenabled by restarting the SRDF/A session. Auto-recovery stays inactive until the SRDF/A session restarts, even when autostart is enabled. Therefore, you must suspend and then resume the replication to see this value change for the group.
Resolution
Workaround: You can reenable the RDFA Auto-recovery feature using the command:
symrdf -sid xxxx -rdfg 15 set rdfa -autostart on -nop
Once this has been enabled, you must suspend and then resume the replication to restart the Auto-recovery feature for this SRDF group:
C:\>symrdf -sid xxxx -f rdfg15.txt -rdfg 15 suspend -nop An RDF 'Suspend' operation execution is in progress for device file 'rdfg15.txt'. Please wait... Suspend RDF link(s) for device(s) in (xxxx,0015).................Started. Suspend RDF link(s) for device(s) in (xxxx,0015).................Done. The RDF 'Suspend' operation successfully executed for device file 'rdfg15.txt'. C:\>symrdf -sid xxxx -f rdfg15.txt -rdfg 15 establish -nop An RDF 'Incremental Establish' operation execution is in progress for device file 'rdfg15.txt'. Please wait... Suspend RDF link(s) for device(s) in (xxxx,0015).................Done. Resume RDF link(s) for device(s) in (xxxx,0015)..................Started. Resume RDF link(s) for device(s) in (2206,0015)..................Done. The RDF 'Incremental Establish' operation successfully initiated for device file 'rdfg15.txt'.
Now, when you query the group, it shows that RDFA Auto-recovery is enabled:
C:\>symrdf -sid xxxx -f rdfg15.txt -rdfg 15 que -rdfa
Symmetrix ID : 00022000xxxx (Microcode Version: 6079)
RDFA Session Number : 14
RDFA Cycle Number : 2
RDFA Session Status : Active - DSE
RDFA Consistency Exempt Devices : No
RDFA Auto-recovery : Enabled - Inactive
RDFA Minimum Cycle Time : 00:00:05
RDFA Avg Cycle Time : 00:00:05
RDFA Avg Transmit Cycle Time : 00:00:00
Transmit Queue Depth on R1 Side : 1
Tracks not Committed to the R2 Side: 0
Time that R2 is behind R1 : 00:00:03
R2 Image Capture Time : Wed Jul 23 22:16:37 2025
R2 Data is Consistent : True
RDFA R1 Side Percent Cache In Use : 0
RDFA R2 Side Percent Cache In Use : 0
R1 Side DSE Used Tracks : 0
R2 Side DSE Used Tracks : 0
R1 Side Shared Tracks : 0
Transmit Idle Time : 00:00:00
Remote Symmetrix ID : 00022000yyyy (Microcode Version: 6079)
RDF (RA) Group Number : 15 (0E)
Target (R2) View Source (R1) View FLAGS
--------------------------------- ------------------------ ----- ------------
ST LI ST
Standard A N A
Logical Sym T R1 Inv R2 Inv K Sym T R1 Inv R2 Inv RDF Pair
Device Dev E Tracks Tracks S Dev E Tracks Tracks MCES STATE
--------------------------------- -- ------------------------ ----- ------------
N/A 003FA WD 0 0 RW 004FE RW 0 0 A..E Consistent
Total ------- ------- ------- -------
Track(s) 0 0 0 0
MB(s) 0.0 0.0 0.0 0.0