HP 1606 HP B-series Fabric OS 6.4.1b Release Notes (5697-0886, March 2011-incl - Page 72

an HP DC SAN Director Multiprotocol Extension Blade or the HP 1606 SAN

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Table 14 Fabric OS 6.4.1a closed defects (continued) Closed defect summary Solution Customers may be unable to upgrade from FOS 6.2.0x to FOS 6.3.x on an Fixed in Fabric OS 6.4.1a. HP StorageWorks 4/256 SAN Director with an HP StorageWorks B-Series Workaround prior to upgrade: Enable Multi-protocol Router Blade when a GE port is present and is persistently all persistently disabled GE ports prior disabled. The CP could end up with an invalid configuration after attempting to the first upgrade. If a downgrade has recovery by again downgrading to FOS 6.2 and rebooting. already been performed, execute a This action could prevent the CP from successfully upgrading. Additionally, configremove of the invalid configuration a good CP with a valid configuration that is HA synced with this CP could and download a valid configuration to also be affected by the misconfigured CP. restore the CP. A switch panic may occur when there are GE ports with SFPs installed on Fixed in Fabric OS 6.4.1a. an HP DC SAN Director Multiprotocol Extension Blade or the HP 1606 SAN Extension Switch. Switch Route (RTE) failures cause traffic issues or switch panics. Fixed in Fabric OS 6.4.1a. HP 8 Gb switches and blades running FOS 6.4.0, 6.4.0a, 6.4.0b, 6.4.0c, Fixed in Fabric OS 6.4.1a. or 6.4.1 may experience loss of connectivity on a port or trunked ISL causing all traffic entering the switch or the blade to be dropped. The supportshow/supportsave operations executed after a fastboot may cause SCSI timeouts to occur on the following switches: Fixed in Fabric OS 6.4.1a. • HP 8/8 Base (0) e-port SAN Switch • HP 8/8 (8)-ports Enabled SAN Switch • HP 8/24 Base 16-ports Enabled SAN Switch • HP 8/80 Base 48-ports Enabled SAN Switch • HP 8/80 Power Pack+, 48-ports SAN Switch • HP 1606 SAN Extension Switch • StorageWorks EVA4400 embedded switch module, 8Gb Brocade • Brocade 8Gb SAN Switch for HP BladeSystem c-Class Class 3(C3) frame discards occur due to destination unreachable. However, since only a very small number of frames are dropped and the server retries SCSI traffic, users will not experience any functional impact. A highly utilized high-speed FCIP Tunnel connection may bounce without any packet loss occurring in the IP network. Fixed in Fabric OS 6.4.1a. In an AG fabric, DXFM/FM/SMI proxy switch will send GAGI request to Fixed in Fabric OS 6.4.1a. another switch in the fabric with Brocade_AG query. This sometimes triggers verify and floods the raslog which may cause high CPU load and switch panic. Roundtrip time is incorrect in TCP due to delayed ACKs, especially on connections that are mostly idle. This delayed ACK processing can lead to occasional slow retransmits in TCP. Fixed in Fabric OS 6.4.1a. When more than one RPC connection is established simultaneously on a switch with busy management applications, a race condition may cause multiple connections to free a shared object and trigger rpcd panic. Fixed in Fabric OS 6.4.1a. If a user mistakenly enables fabric.ops.longdistance on a logical switch in a virtual fabric setup, it creates a credit model inconsistency on the ISL with other logical switches configured on the same switch. Credits are returned to the incorrect VC and link resets will occur. Fixed in Fabric OS 6.4.1a. Boot Over SAN fails with switch port set to 8Gb on Brocade 5470. Fixed in Fabric OS 6.4.1a. Path loss traces do not contain enough debugging information when Access Fixed in Fabric OS 6.4.1a. Gateway mode is enabled. Some SW MIB counters/statistics are available through the Command Line Fixed in Fabric OS 6.4.1a. Interface, but not available through SNMP. 72

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Table 14 Fabric OS 6.4.1a closed defects
(continued)
Solution
Closed defect summary
Fixed in Fabric OS 6.4.1a.
Workaround prior to upgrade:
Enable
all persistently disabled GE ports prior
to the first upgrade. If a downgrade has
already been performed, execute a
configremove of the invalid configuration
and download a valid configuration to
restore the CP.
Customers may be unable to upgrade from FOS 6.2.0x to FOS 6.3.x on an
HP StorageWorks 4/256 SAN Director with an HP StorageWorks B-Series
Multi-protocol Router Blade when a GE port is present and is persistently
disabled. The CP could end up with an invalid configuration after attempting
recovery by again downgrading to FOS 6.2 and rebooting.
This action could prevent the CP from successfully upgrading. Additionally,
a good CP with a valid configuration that is HA synced with this CP could
also be affected by the misconfigured CP.
Fixed in Fabric OS 6.4.1a.
A switch panic may occur when there are GE ports with SFPs installed on
an HP DC SAN Director Multiprotocol Extension Blade or the HP 1606 SAN
Extension Switch.
Fixed in Fabric OS 6.4.1a.
Switch Route (RTE) failures cause traffic issues or switch panics.
Fixed in Fabric OS 6.4.1a.
HP 8 Gb switches and blades running FOS 6.4.0, 6.4.0a, 6.4.0b, 6.4.0c,
or 6.4.1 may experience loss of connectivity on a port or trunked ISL causing
all traffic entering the switch or the blade to be dropped.
Fixed in Fabric OS 6.4.1a.
The supportshow/supportsave operations executed after a fastboot may
cause SCSI timeouts to occur on the following switches:
•
HP 8/8 Base (0) e-port SAN Switch
•
HP 8/8 (8)-ports Enabled SAN Switch
•
HP 8/24 Base 16-ports Enabled SAN Switch
•
HP 8/80 Base 48-ports Enabled SAN Switch
•
HP 8/80 Power Pack+, 48-ports SAN Switch
•
HP 1606 SAN Extension Switch
•
StorageWorks EVA4400 embedded switch module, 8Gb Brocade
•
Brocade 8Gb SAN Switch for HP BladeSystem c-Class
Class 3(C3) frame discards occur due to destination unreachable. However,
since only a very small number of frames are dropped and the server retries
SCSI traffic, users will not experience any functional impact.
Fixed in Fabric OS 6.4.1a.
A highly utilized high-speed FCIP Tunnel connection may bounce without
any packet loss occurring in the IP network.
Fixed in Fabric OS 6.4.1a.
In an AG fabric, DXFM/FM/SMI proxy switch will send GAGI request to
another switch in the fabric with Brocade_AG query. This sometimes triggers
verify and floods the raslog which may cause high CPU load and switch
panic.
Fixed in Fabric OS 6.4.1a.
Roundtrip time is incorrect in TCP due to delayed ACKs, especially on
connections that are mostly idle. This delayed ACK processing can lead to
occasional slow retransmits in TCP.
Fixed in Fabric OS 6.4.1a.
When more than one RPC connection is established simultaneously on a
switch with busy management applications, a race condition may cause
multiple connections to free a shared object and trigger rpcd panic.
Fixed in Fabric OS 6.4.1a.
If a user mistakenly enables fabric.ops.longdistance on a logical switch in
a virtual fabric setup, it creates a credit model inconsistency on the ISL with
other logical switches configured on the same switch. Credits are returned
to the incorrect VC and link resets will occur.
Fixed in Fabric OS 6.4.1a.
Boot Over SAN fails with switch port set to 8Gb on Brocade 5470.
Fixed in Fabric OS 6.4.1a.
Path loss traces do not contain enough debugging information when Access
Gateway mode is enabled.
Fixed in Fabric OS 6.4.1a.
Some SW MIB counters/statistics are available through the Command Line
Interface, but not available through SNMP.
72