HP Cisco Nexus 5000 Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Re - Page 41

Limitations and Restrictions Send documentation comments to mdsfeedback-doc.com. Cisco Storage Media Encryption The following limitations are described for Cisco SME: • Cisco SME Configuration Limits, page 41 • Deleting Cisco SME Interfaces, page 41 • Emulex Driver Version, page 41 Cisco SME Configuration Limits Table 14 lists the Cisco SME configuration limits for this release. Table 14 Cisco SME Limits Configuration Number of switches in the fabric Number of clusters per switch Switches in a cluster Fabrics in a cluster Modules in a switch Cisco MSM-18/4 modules in a cluster Initiator-Target-LUNs (ITLs) LUNs behind a target Host and target ports in a cluster Number of hosts per target Tape backup groups per cluster Volume groups in a tape backup group Cisco Key Management Center (# of keys) Targets per switch that can be FC-redirected Limit 10 1 4 2 11 32 1024 32 128 128 2 4 32K 32 Deleting Cisco SME Interfaces A Cisco SME interface can be deleted from the cluster only after the interface is administratively shut-down and all related tasks associated with the interface shut-down are complete. Emulex Driver Version In some instances, the Emulex driver version 8.1.10.9 may set the task attribute to HEAD_OF_QUEUE instead of SIMPLE_QUEUE. Certain tape drives do not accept this attribute and may reject these commands. The Emulex driver version 8.1.10.12 does not have this issue. OL-17675-05 Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(3a) 41