Saturday 2 July 2016

SYMMETRIX CLONE OPERATION



Steps for SYM CLONE operation:


·              Create a device group
symdg create DGNAME  -type regular

·              Add production devices to device group
symld -g DGNAME    add dev 00C3:00DB
symld -g DGNAME add dev 022B:03F3

·              Check information about the device group
symdg show DGNAME

·              Add clone devices to device group
symld -g DGNAME add dev 1A03:1A1B -tgt
symld -g DGNAME add dev  1AD3:1C9B -tgt

·              Check information about the device group
symdg show DGNAME

·              Create a clone copy session
symclone -g DGNAME create -exact -differential -precopy –tgt  

(For additional allocation)

symclone -g DGNAME create -differential -precopy –tgt  DEV063  SYM ld TRG063

precopy      : Starts copying tracks in the background
differential : For subsequent cloning to the same target i.e. incremental

·              Verify the clone session
symclone -g DGNAME verify

·              Query the clone copy session
symclone -g DGNAME query

·              Put the Oracle database in hot back-up mode

·              Activate the clone session
symclone -g DGNAME activate -tgt

·              Verify the clone session
symclone -g DGNAME verify

·              Query the clone copy session
symclone -g DGNAME query

·              Bring the Oracle database out of hot back-up mode

·              Verify the clone session
symclone -g DGNAME verify -copied

Check for status – All of the devices in group ' DGNAME' are in the 'Copied' state

·              Query the clone copy session
symclone -g DGNAME query
Check for the copied state of the device pair

·              Confirm the clone devices are visible on back-up host and as required. Do the needful configuration on the back-up host. Initiate back-up.

·              Confirm back-up completion.

Do the needful configuration on the back-up host.

·              Recreate the clone session
symclone -g DGNAME recreate -precopy –tgt

Changed tracks since the last activate action will be copied over to the target device i.e. incremental changes.

·              Verify the clone session
symclone -g DGNAME verify

·              Query the clone copy session
symclone -g DGNAME query



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