Firmware Versions - Brocade Communications Systems A7533A - Brocade 4Gb SAN Switch Base Troubleshooting Manual

Message SW Blade type 51 is inserted. Please use slotshow to find out which slot it is in and remove it.
Probable cause and recommended action
The firmware download operation was attempting to downgrade a system to Fabric OS v5.3.0 or
earlier with one or more Brocade FC8-48 port blades (blade ID 51) in the system. Brocade FC8-48
port blades are not supported on firmware v5.3.0 or earlier, so the firmware download operation
failed.
Use the slotShow command to display which slots the Brocade FC8-48 port blades occupy.
Physically remove the blades from the chassis, or use the micro-switch to turn the blade off. Retry
the firmware download operation.
Message SW Blade type 55 is inserted. Please use slotshow to find out which slot it is in and remove it.
Probable cause and recommended action
The firmware download operation was attempting to downgrade a system to Fabric OS v5.3.0 or
earlier with one or more Brocade FC8-32 port blades (blade ID 55) in the system. Brocade FC8-32
port blades are not supported on firmware v5.3.0 or earlier, so the firmware download operation
failed.
Use the slotShow command to display which slots the Brocade FC8-32 port blades occupy.
Physically remove the blades from the chassis, or use the micro-switch to turn the blade off. Retry
the firmware download operation.

Firmware versions

These messages refer to differences between the current firmware and the firmware you are
applying to the switch.
Message Cannot upgrade directly to v6.1.0. Upgrade your switch to v6.0.0 first before upgrading to the
requested version.
Probable cause and recommended action
If the switch is running v5.3.0 or earlier, you will not be allowed to upgrade directly to v6.1.0
because of the "two-version" rule.
Upgrade your switch to Fabric OS version v6.0.0 before upgrading to v6.1.0
Message Cannot upgrade directly to v6.0. Upgrade your switch to v5.2.1_NI1 or v5.3.0 first before
upgrading to the requested version.
Probable cause and recommended action
If the switch is running v5.2.1 or earlier, you will not be allowed to upgrade directly to v6.0 because
of the "two-version" rule.
Upgrade your switch to Fabric OS version v5.2.1_NI1 or v5.3.0 before upgrading to v6.0
Message Cannot upgrade directly to v5.3.0. Upgrade your switch to v5.1 or v5.2 first before upgrading to the
requested version.
Probable cause and recommended action
If the switch is running v5.0.0 or earlier, you will not be allowed to upgrade directly to v5.3.0
because of the "two-version" rule.
Fabric OS Troubleshooting and Diagnostics Guide
53-1000853-01
Considerations for downgrading firmware
5
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