Hp StorageWorks 2.12 Edge Switch Manual de usuario descargar pdf (Pagina 189)

Optional Features

189Edge Switch Element Manager User Guide

Set the Congestion Threshold using one of these methods:

— Click the check box under the Use Algorithmic Threshold column to

display a value under the Threshold % column. This value is computed

by the feature’s rerouting algorithm. If you click this check box, you

cannot enter a value into the Threshold % column for the port.

Note: If you clear the check box, any value that was set in the Threshold % column for

the port redisplays.

— Click in the Threshold % column and enter a value in the range of 1

through 99.

Note: You must either specify a value in the Threshold % column or click the Use

Algorithmic Threshold check box.

4. Set Event Notification options. Note that, if enabled, these notifications

occur the first time the events occur. Notifications are not resent while the

problem persists.

— Unresolved Congestion. Click this check box to enable notification. If

enabled, an unresolved congestion entry is made to the Event Log and an

SNMP trap is generated if trap recipients are configured through the

Configure SNMP dialog box.

Note: An unresolved congestion event occurs when the rerouting algorithm cannot find

a path for rerouting data flow and relieving congestion on an ISL.

— Back Pressure. Click this check box to enable this option. If enabled, a

back pressure entry will be made to the Event Log and an SNMP trap will

be generated if trap recipients are configured through the Configure

SNMP dialog box.

A back pressure event occurs when the percentage of time the ISL lacks

BB_Credits exceeds the threshold. A separate event also occurs when the

backpressure condition ends.

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Hp StorageWorks 2.12 Edge Switch Manual de usuario Pagina 189