HP StorageWorks 1606 Brocade Fabric OS Administrator's Guide v6.3.0 (53-100133 - Page 361
Coordinated HCL on switches firmware downloads
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McDATA-aware features 14 If you select yes, the firmwareDownload operation proceeds without making the normal Coordinated HCL checks. The firmwareDownload -o command upgrades both CPs in the switch. Coordinated HCL on switches firmware downloads If the firmwareDownload command is entered with both the -s and -b (auto-reboot) options, a best effort will be made to run Coordinated HCL. If one or more switches in the fabric do not support Coordinated HCL, the firmware download process will still continue. If the firmwareDownload command is entered with -s, but without the -b (auto-reboot) option, Coordinated HCL will not run. Upgrade and downgrade considerations for HCL for interoperability Following are the upgrade and downgrade considerations for Coordinated HCL for McDATA Fabric mode and McDATA Open Fabric mode. This list does not consider upgrades or downgrades from Brocade Native mode. • Downgrading from Fabric OS v6.3.0 to lower releases is nondisruptive. • Coordinated HCL does not affect director class and backbone platform products because of their fast switch-over capability. McDATA-aware features If a feature is McDATA-aware (that is, aware of the McDATA environment), some actions may be possible fabric-wide. If a feature is M-EOS-unaware, some actions cannot be taken. Table 64 describes McDATA-aware features. TABLE 64 McDATA-aware features Feature Behavior ASIC Brocade management interfaces such as DCFM and Web Tools Coordinated Hot Code Load (HCL) ESS Fabric FC FCR E_Port SANtegrity FCR Fabric OS Level 2 (Layer 2 SANtegrity) The header of FC frames uses the SID and DID according to the domain offset setting. Allows configuring stand-alone and fabric-wide tasks such as basic switch and port operations. Supported in McDATA Open Fabric mode and McDATA Fabric mode. Displays the firmware version in the M-EOS format as 9.7.2, and the Fabric OS format as v6.3.0. In a mixed configuration, the fabric issues ESC exchange to determine the domain ID offset setting of adjacent switches. An incompatible domain ID offset causes ISLs to segment. The fabric also auto-negotiates the credit model usage: R-RDY for connection to an M-EOS switch and VC-RDY for connection to a Fabric OS switch. Converts the header of FC frames to use the correct SID and DID according to the domain offset setting. Supported in McDATA Open Fabric mode and McDATA Fabric mode. Supported in McDATA Fabric mode and McDATA Open Fabric mode. Fabric OS Administrator's Guide 319 53-1001336-01
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