HP StorageWorks 2/24 FW 07.01.02/HAFM SW 08.06.00 HP StorageWorks HA-Fabric Ma - Page 22

Reinstalling feature licenses, CTP controls port lights, BB_Credit Allocation for ports, NVRAM caching - 32 switch

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Firmware 05.03.01-01 is available for the Edge Switch 2/24, and firmware 05.05.01-01 is available for the Edge Switch 2/12. These versions are installed only on the Edge Switch 2/24 and Edge Switch 2/12, and only when these switches are placed in a M-Series SAN running 05.02.00 firmware. A copy of these versions of firmware, are contained on the HP StorageWorks edge switch documentation and firmware CD (Part Number 524-000001-005). Reinstalling feature licenses Feature licenses (or keys) must be reinstalled after performing a factory reset on a director to regain use of the licensed features (e.g., SANtegrity Binding). CTP controls port lights Port lights on the edge switch and director products are controlled by the CTP functionality. Certain activities such as firmware updates, IPLing the CTP, or switching over to the backup CTP (director) can cause these port lights to extinguish momentarily until control is reasserted by the CTP. The actual Fibre Channel traffic is not affected during these times. BB_Credit Allocation for ports Firmware 07.00.00 or later, supports the ability to allocate a specific number of buffer credits per port. This feature provides benefit primarily in the Edge Switch 2/12 and 2/24 switches, where a single pool of buffers is shared among all ports. Users will now be able to allocate buffer credits only where needed. For the Director 2/64, Director 2/140, and Edge Switch 2/32 switches, this enhancement simply allows more granular configuration options for users who want complete configuration control. NVRAM caching All writes to non-volatile memory random access memory (NVRAM), which stores configuration data, are now cached to prevent possible corruption of information. Prior to firmware 07.00.00, a small window existed where a switch power-down during an NVRAM write could enable the configuration default settings when the switch is powered back on. All switches and directors are now protected from potential interruptions to NVRAM updates. Robust large fabrics Numerous low-level enhancements and optimizations have been made to improve the stability of directors and switches in fabrics containing high populations of devices. 20

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Firmware 05.03.01-01 is available for the Edge Switch 2/24, and
fi
rmware
05.05.01-01 is available for the Edge Switch 2/12. These versions are installed only on
the Edge Switch 2/24 and Edge Switch 2/12, and only when these switches are placed
in a M-Series SAN running 05.02.00
fi
rmware. A copy of these versions of
fi
rmware,
are contained on the HP StorageWorks edge switch documentation and
fi
rmware CD
(Part Number 524-000001-005).
Reinstalling feature licenses
Feature licenses (or keys) must be reinstalled after performing a factory reset on a
director to regain use of the licensed features (e.g., SANtegrity Binding).
CTP controls port lights
Port lights on the edge switch and director products are controlled by the CTP
functionality. Certain activities such as
fi
rmware updates, IPLing the CTP, or switching
over to the backup CTP (director) can cause these port lights to extinguish momentarily
until control is reasserted by the CTP. The actual Fibre Channel traf
fi
c is not affected
during these times.
BB_Credit Allocation for ports
Firmware 07.00.00 or later, supports the ability to allocate a speci
fi
c number of buffer
credits per port. This feature provides bene
fi
t primarily in the Edge Switch 2/12 and
2/24 switches, where a single pool of buffers is shared among all ports. Users will now
be able to allocate buffer credits only where needed. For the Director 2/64, Director
2/140, and Edge Switch 2/32 switches, this enhancement simply allows more granular
con
fi
guration options for users who want complete con
fi
guration control.
NVRAM caching
All writes to non-volatile memory random access memory (NVRAM), which stores
con
fi
guration data, are now cached to prevent possible corruption of information. Prior
to
fi
rmware 07.00.00, a small window existed where a switch power-down during an
NVRAM write could enable the con
fi
guration default settings when the switch is powered
back on. All switches and directors are now protected from potential interruptions to
NVRAM updates.
Robust large fabrics
Numerous low-level enhancements and optimizations have been made to improve the
stability of directors and switches in fabrics containing high populations of devices.
20