HP Cisco MDS 9020 Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Rele - Page 45

Cisco SME Configuration Limits, Deleting Cisco SME Interfaces, Emulex Driver Version, Configuration

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Limitations and Restrictions Send documentation comments to [email protected] Cisco SME Configuration Limits Table 15 lists the Cisco SME configuration limits for this release. Table 15 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-17675-02 Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(1b) 45

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Send documentation comments to [email protected]
45
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.1(1b)
OL-17675-02
Limitations and Restrictions
Cisco SME Configuration Limits
Table 15
lists the Cisco SME configuration limits for this release.
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.
Table 15
Cisco SME Limits
Configuration
Limit
Number of switches in the fabric
10
Number of clusters per switch
1
Switches in a cluster
4
Fabrics in a cluster
2
Modules in a switch
11
Cisco MSM-18/4 modules in a cluster
32
Initiator-Target-LUNs (ITLs)
1024
LUNs behind a target
32
Host and target ports in a cluster
128
Number of hosts per target
128
Tape backup groups per cluster
2
Volume groups in a tape backup group
4
Cisco Key Management Center (# of keys)
32K
Targets per switch that can be FC-redirected
32