User Manual

Using the CLI Commands
4-30
4.7 Redundant Controller Configurations
4.7.1 Mirrored write cache control
4.7.2 Change preferred controller
4.7.3 Path failover alert delay
4.7.4 Controller fallover mode
4.8 Event Management
4.8.1 NVRAM event logs
Command
cachemirror
Synopsis
cachemirror [on/off]
Description
Show or change the setting of mirrored write cache control.
Parameters
[on/off]: enable or disable mirrored write cache
Command
prefctlchg
Synopsis
prefeclchg [-o] jbdx/dgxldy/volx ctlx
Description
Change the preferred controller of a virtual disk.
Parameters
[-o]: change owner controller immediately
Command
foalertdelay
Synopsis
foalertdelay [xxmin]
Description
Set the delay period before the controller generates a
warning event to notify users of the critical condition that
virtual disks transferred to the non-preferred controller.
Command
Failovermode
Synopsis
Failovermode mpio / mtid
Description
Sets the failover mode to Mutipath IO (mpio) or Multiple-ID
(mtid). Without any parameter, this commond display
current setting. By default, the failover mode is mpio.
Command
eventlist
Synopsis
eventlist [-f xx] [-n xx] [-s severity]
Description
List records in the event log from older to newer records.
Parameters
[-f xx]: starting point of event to list
[-n xx]: maximum number of records to list
[-s severity]: severity level of records to list