HP 4400 HP B-series Fabric OS 6.3.2d Release Notes (5697-1105, July 2011) - Page 28

FC FastWrite, Native connectivity, FCS Automatic Distribution, FCAP, FICON

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• Integrated Routing and Top Talkers cannot run concurrently in Fabric OS 6.3.x. To use Integrated Routing, be sure to disable Top Talkers before configuring EX_Ports. FC FastWrite When an FC FastWrite Initiator is moved to a port that does not have FC FastWrite enabled, I/O will recover and revert to the slow path route (non-FC FastWrite). This is a change from Fabric OS 6.2.x. Native connectivity Fabric OS-based platforms operating in interopmode 2 or 3 should never be deployed in a fabric without at least one M-series switch. Fabric OS switches in interopmode 3 (McDATA Open Fabric Mode) do not support configuration of zoning without an M-series switch in the fabric. When migrating from M-series to B-series switches, all B-series switches should be configured to interopmode 0 (Brocade Native mode) after the last M-series switch has been removed from the fabric. M-EOSc switches may exhibit a behavior where they block all attached devices with a reason indication of Blocked Temporarily, Internal. This can occur when you power cycle the M-series switch while it was participating in a fabric with Frame Redirection zoning, a capability used for Fabric OS-based application or encryption services. If the switch is still participating in the fabric with Frame Redirection, issue the cfgsave command from a Brocade Fabric OS-based switch with the Frame Redirection zone in its defined zone database. If the M-EOS switch is no longer attached to the fabric with Frame Redirection zoning, issue the Config.Zoning.deleteSplZoneSet command via the CLI to the M-EOS switch. FCS Automatic Distribution • When using the FCS Automatic Distribution feature in Fabric OS 6.0 or later, all switches in the fabric must be running Fabric OS 6.0 or later. If any switches are running Fabric OS 5.x or earlier, only manual distribution can be used. • Fabric OS 6.0 or later allows FCS Automatic Distribution only when in strict mode, requiring only switches with Fabric OS 6.0 or later. FCAP • Due to limitations with the certificates, FCAP authentication cannot be supported on user-defined logical switches. FCAP will continue to function with existing certificates for non-VF and the default logical switch of VF-enabled switches. Note that authutil is not restricted from other logical switches at this time, so it can still be enabled on unsupported LS. • The pkicert (1.06) utility may cause evm errors, so each new switch should be isolated from the fabric in non-VF mode to install new certificates. • For FIPS mode, certificates must be installed before FIPS activation. FICON NOTE: For information about specific versions of Fabric OS support for FICON, see the B-series FICON Connectivity Stream. 28

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•
Integrated Routing and Top Talkers cannot run concurrently in Fabric OS 6.3.x. To use Integrated
Routing, be sure to disable Top Talkers before configuring EX_Ports.
FC FastWrite
When an FC FastWrite Initiator is moved to a port that does not have FC FastWrite enabled, I/O will
recover and revert to the slow path route (non-FC FastWrite). This is a change from Fabric OS 6.2.x.
Native connectivity
Fabric OS-based platforms operating in interopmode 2 or 3 should never be deployed in a fabric
without at least one M-series switch. Fabric OS switches in interopmode 3 (McDATA Open Fabric
Mode) do not support configuration of zoning without an M-series switch in the fabric. When migrating
from M-series to B-series switches, all B-series switches should be configured to interopmode 0 (Brocade
Native mode) after the last M-series switch has been removed from the fabric.
M-EOSc switches may exhibit a behavior where they block all attached devices with a reason indication
of
Blocked Temporarily, Internal
. This can occur when you power cycle the M-series switch
while it was participating in a fabric with Frame Redirection zoning, a capability used for Fabric
OS-based application or encryption services. If the switch is still participating in the fabric with Frame
Redirection, issue the
cfgsave
command from a Brocade Fabric OS-based switch with the Frame
Redirection zone in its defined zone database. If the M-EOS switch is no longer attached to the fabric
with Frame Redirection zoning, issue the
Config.Zoning.deleteSplZoneSet
command via the
CLI to the M-EOS switch.
FCS Automatic Distribution
•
When using the FCS Automatic Distribution feature in Fabric OS 6.0 or later, all switches in the
fabric must be running Fabric OS 6.0 or later. If any switches are running Fabric OS 5.x or
earlier, only manual distribution can be used.
•
Fabric OS 6.0 or later allows FCS Automatic Distribution only when in strict mode, requiring only
switches with Fabric OS 6.0 or later.
FCAP
•
Due to limitations with the certificates, FCAP authentication cannot be supported on user-defined
logical switches. FCAP will continue to function with existing certificates for non-VF and the default
logical switch of VF-enabled switches. Note that
authutil
is not restricted from other logical
switches at this time, so it can still be enabled on unsupported LS.
•
The pkicert (1.06) utility may cause
evm
errors, so each new switch should be isolated from the
fabric in non-VF mode to install new certificates.
•
For FIPS mode, certificates must be installed before FIPS activation.
FICON
NOTE:
For information about specific versions of Fabric OS support for FICON, see the B-series FICON
Connectivity Stream.
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