Seagate ST336704FC Guia de Configuração descarregar pdf (Página 24)

Chapter 1: HP Clustered File System Commands 18

-u

Display I/O latencies in microseconds instead of the default

milliseconds. This option applies only to the iostat command.

The commands are:

enable/disable

Enable or disable MPIO failover on the specified devices.

enableall/disableall

Globally enable or disable MPIO failover on this node.

timeout value

Set the timeout on the specified device.

active target

Set the active target on the specified device.

mpiostat

List the number of transient errors for each target and show the

number of failovers and fatal errors for each device.

mpioload [interval [count]]

Shows the load for each target (SCSI command I/Os) and total for the

PSD device (block layer I/Os), number of failovers, and fatal errors for

each device.

iostat [interval [count]]

Show general I/O statistics for each device.

iostat [interval [count]]

Dump general I/O statistics for each device in a raw format.

Enable or Disable Failover for a Server

A cluster server can use multiple FC ports to connect to the FibreChannel

fabric. If the FC port or FC switch currently being used for I/O should fail,

HP Clustered File System will by default fail over the I/O to another FC

port/FC switch path.

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Seagate ST336704FC Guia de Configuração Página 24