I have two ds4700 storage.One at DC site and another at DR site.There is ERM between two site. At each sites there are multiple luns between which there is an ERM.Some luns ownership is controller A and for some luns it is controller B.Let us say that if the link of SAN switch for ERM goes down in controller A,I change the ownership of all the luns to controller B.In this case DC site storage shows mirror data synchronized and DR site storage says,mirror data synchronized.
The firmware level for the storage are as follows:
Dc storage firmware
Firmware version: 06.23.05.00
Appware version: 06.23.05.00
Bootware version: 06.23.05.00
NVSRAM version: C1814D470R923V08
DR storage firmware
Firmware version: 07.60.52.00
Appware version: 07.60.52.00
Bootware version: 07.60.52.00
NVSRAM version: N1814D47R1060V17
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