HP 316095-B21 - StorageWorks Edge Switch 2/24 Note de mise à jour - Page 16

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Using the same firmware level

All Edge Switches and Directors in the same fabric should have the same firmware level installed to

ensure that this firmware operates correctly.

Firmware 09.08.03 is common for all M-series fabric products, except the McDATA 4Gb SAN Switch

for HP p-Class BladeSystem, which has a separate firmware.

Feature licenses (or keys) must be reinstalled after performing a factory reset on an Edge Switch or

Director to regain use of the licensed features (for example, SANtegrity Binding).

Port lights on the Edge Switches and Directors are controlled by the CTP. Certain activities, such as

firmware updates, IPLing the CTP, and switching over to the backup CTP (Director) can turn off the

port lights momentarily until control is reasserted by the CTP. Fibre Channel traffic is not affected

during these times.

Full-fabric capability for Edge Switch 2/12

Unlike other Edge Switch and Director products, a PFE key controls Edge Switch 2/12 E_Port-to-E_Port

connections. After purchasing and installing the feature key, you can configure for E_Port connections

on any of the active ports.

The feature key includes distance support. With firmware 06.00.00 and later, the Edge Switch 2/12

ships with five BB_credits allocated to each port. After activation of the Full Fabric feature on a switch,

each port has 12 BB_Credits allocated to support up to 12-km links at 2-Gb/s speed.

Support for speed autonegotiate

Autonegotiate is supported. However, HP recommends that the port speed for E_Ports (ISLs) be set to

a specific port speed (1 Gb/s, 2 Gb/s, or 4 Gb/s, as appropriate, for the speed of the Edge Switches

or Directors being connected) instead of to Negotiate. Specifying a port speed decreases the fabric

build time in response to a perturbation in the fabric. Specifying a port speed for N_Ports also

decreases the fabric build time, but it is not required.

Older HBA devices do not always succeed in logging in to a switch port when the port speed is set

to autonegotiate.

Workaround

If an older HBA has difficulty logging in to a switch port with the port speed set to Negotiate, set the

port speed to 1 Gb/s, 2 Gb/s, or 4 Gb/s, according to the operating speed of the HBA connected

to that port.

Erroneous log entry

An EFCM event Director/Switch lost NMRU link to EFCM may be erroneously posted to

log after switch gains manageability.