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what is meant by Synchronization rate in SRDF
Hi friends,
what is meant by Synchronization rate in the following output.Is it related to bandwidth of our SRDF link.
Device Group (DG) Name : bos
DG's Type : RDF1
DG's Symmetrix ID : 000 (Microcode Version: 5773)
Remote Symmetrix ID : 000(Microcode Version: 5773)
RDF (RA) Group Number : 2 (01)
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 MDAE STATE
-------------------------------- -- ------------------------ ----- ------------
DEV007 05B5 RW 0 135 RW 05AB WD 0 0 C.D. SyncInProg
DEV008 05F3 RW 0 11 RW 05D3 WD 0 0 C.D. SyncInProg
DEV009 0634 RW 0 67 RW 05DC WD 0 0 C.D. SyncInProg
DEV010 0645 RW 0 1 RW 05ED WD 0 0 C.D. SyncInProg
Total -------- -------- -------- --------
Track(s) 0 214 0 0
MB(s) 0.0 13.4 0.0 0.0
Synchronization rate : 0.0 MB/S
Estimated time to completion : 08:55:35
SreeHari_Karana
36 Posts
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March 30th, 2012 01:00
Synchronization rate is a measure of the amount of time it would take for your data to reach from your primary Symm to your secondary Symm, it depends on the following factors:
1. Bandwidth of the SRDF Links
2. Mode of SRDF operation used
HTH
Thanks,
SreeHari
Srik1920
59 Posts
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March 30th, 2012 03:00
Hi Sreehari,
In my output synchronization rate it is showing 0 MB/S.How can it be 0 with very little amount of data pending to write.
And we have dedicated link of 100mbps for replication purpose.
RobertDudley
448 Posts
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March 30th, 2012 08:00
That is the actual send rate when the command is run; if you have almost no data to send then it will be very low, possibly to low to register.
If you run the command a few times or use the interval/count option to automatically run the command over time you will get better numbers in that field.
For instance
symdg -g name query -i 10 -c 5
query the symdg every 10 seconds for a count of 5 times
dynamox
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March 30th, 2012 08:00
symrdf
RobertDudley
448 Posts
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March 30th, 2012 12:00
Thanks Dynamox was wondering which way to go with that.