Ibm v8.1.2.x configuration limits and restrictions for ibm storwize v7000 and v7000f – united states

b. When performing re-key operations on a system that has an encryption enabled cloud account, perform the commit operation immediately after the prepare operation. Remember to retain the previous system master key (on USB or in Keyserver) as this key may still be needed to retrieve your cloud backup data when performing a T4 recovery or an import.

A Storwize V7000 system at version and higher requires native Fibre Channel SAN or alternatively 8Gbps/16Gbps Direct Attach Fibre Channel connectivity for communication between all nodes in the local cluster. Fibre Channel over Ethernet ( FCoE ) connectivity for communication between all nodes in the local cluster is also supported.

Partnerships between systems for Metro Mirror or Global Mirror replication can be used with both Fibre Channel, Native Ethernet connectivity and FCoE connectivity, however direct FCoE links are only supported to a maximum of 300 metres.

Distances greater than 300 metres are only supported when using an FCIP link or Fibre Channel between source and target.

for supported 16Gbps Fibre Channel configurations supported with 16Gbps node hardware. Note 16Gbps Node hardware is supported when connected to Brocade and Cisco 8Gbps or 16Gbps fabrics only. Direct connections to 2Gbps or 4Gbps SAN or direct host attachment to 2Gbps or 4Gbps ports is not supported. Other configured switches which are not directly connected to the 16Gbps Node hardware can be any supported fabric switch as currently listed in SSIC.

Two optional 2-port 25Gbps Ethernet adapter is supported in each node canister after v8.1.1.1 for iSCSI communication with iSCSI capable Ethernet ports in hosts via Ethernet switches. However using two 25Gbps Ethernet adapters per node canister, will prevent adding this control enclosure to an existing V5000 system or adding another V5000 control enclosure to a system made from this controller (sometime known as clustering), until a future software release adds support for clustering via the 25Gbps Ethernet ports. These 2-port 25Gbps Ethernet adapters do not support FCoE.

Storwize V7000 supports concurrent ESM firmware upgrades for those DS4000 models listed as such on the Supported Hardware List when they are running either or later controller firmware. However, controllers running firmware levels earlier than will not be supported for concurrent ESM upgrades. Customers in this situation, who wish to gain support for concurrent ESM upgrades, will need to first upgrade the DS4000 controller firmware level to This action is a controller firmware upgrade, not an ESM upgrade and concurrent controller firmware upgrades are already supported in conjunction with Storwize V7000. Once the controller firmware is at or later the ESM firmware can be upgraded concurrently.

Note: The DS4000 ESM firmware upgrade must be done on one disk expansion enclosure at a time. A 10 minute delay from when one enclosure is upgraded to the start of the upgrade of another enclosure is required. Confirm via the Storage Manager applications "Recovery Guru" that the DS4000 status is in an optimal state before upgrading the next enclosure. If it is not, then do not continue ESM firmware upgrades until the problem is resolved.