FW V06.02.00/HAFM SW V08.02.00 HP StorageWorks Edge Switch Release Notes (AA-RTDZF-TE, September 2004)

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12 HP StorageWorks Edge Switch release notes
Note: The Director 2/140 and the Edge Switch 2/24 cannot be downgraded earlier
than 04.01.00, and the Edge Switch 2/12 cannot be downgraded earlier than
05.05.00.
Downgrades directly to 05.03.01 from 06.xx.xx is not concurrent when the
second-generation Edge Switch 2/24 is configured in Open Fabric operating
mode. In other words, downgrades in Open Fabric mode cannot be done with the
second-generation Edge Switch 2/24 online without disrupting port operations.
Since second-generation Edge Switch 2/24 switches cannot be downgraded earlier
than 05.03.01, they must be configured in Homogeneous Fabric Interoperability
mode to remain concurrent. If this process is not followed, I/O through the switch
may be significantly disrupted or stopped. Recovery for this situation is
accomplished by reactivating the current zone set.
If you are installing a new or replacement second-generation Edge Switch 2/12 or
Edge Switch 2/24 into an existing 05.xx.xx fabric, HP recommends that you
downgrade the unit before installing it into the fabric.
Downgrading to 05.05.00 is supported only on first-generation Edge Switch 2/12
switches. Second-generation Edge Switch 2/12 switches can be downgraded only
to 05.05.01. Second-generation Edge Switch 2/24 switches can be downgraded
only to 05.03.01.
If a Director 2/140 in a multiswitch fabric is downgraded earlier than 06.02.00,
ISLs could become segmented if there are any other switches in the fabric
operating with an firmware version earlier than 06.01.00. To prevent this situation,
downgrade all Director 2/140s in the fabric to 06.01.00 before downgrading any
products in the fabric to 05.xx.xx. This problem only exists with Director 2/140s
in the fabric. HAFM displays a warning message if a downgrade from 06.02.00 is
attempted, but you can continue with the downgrade if desired.
Note: The warning message is displayed when downgrading any model from
06.02.00, but only applies to downgrade operations for the Director 2/140.
Firmware downgrades should not be performed using EWS and Internet Explorer
v5.00.3315.1000x. If this operation is performed, the download operation may not
complete and may eventually time-out leaving the switch with the previous
version of firmware.