HP Modular Smart Array 500 Starter Kit Guia do Utilizador descarregar pdf (Página 78)

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set auto-write-through-trigger

set awt

See set auto-write-through-trigger.

Description Sets the trigger conditions that cause the controller to change the cache policy from write-back to

write-through. You can set multiple triggers. By default super-cap-failure and

auto-write-back are enabled. Alias: set awt.

When the cache mode is changed, an event is logged.

Syntax

set auto-write-through-trigger [controller-failure enable|disable]

[super-cap-failure enable|disable] [compact-flash-failure enable|disable]

[power-supply-failure enable|disable] [fan-failure enable|disable]

[temperature-exceeded enable|disable] [partner-notify enable|disable]

[auto-write-back enable|disable]

Parameters controller-failure enable|disable

If the cache policy is set to write-back, specify whether the policy automatically changes to

write-through when a controller fails.

super-cap-failure enable|disable

If the cache policy is set to write-back, specify whether the policy automatically changes to

write-through when cache backup power is not fully charged or fails.

compact-flash-failure enable|disable

If the cache policy is set to write-back, specify whether the policy automatically changes to

write-through when the CompactFlash fails.

power-supply-failure enable|disable

If the cache policy is set to write-back, specify whether the policy automatically changes to

write-through when a power supply fails.

fan-failure enable|disable

If the cache policy is set to write-back, specify whether the policy automatically changes to

write-through when a fan fails.

temperature-exceeded enable|disable

Specify whether to force a controller shutdown if a temperature is detected that exceeds system

threshold limits.

partner-notify enable|disable

Specify whether to notify the partner controller that a trigger condition occurred. Enable this option

to have the partner also change to write-through mode for better data protection. Disable this option

to allow the partner continue using its current caching mode for better performance.

auto-write-back enable|disable

Specify whether the cache mode automatically changes to write-back after the trigger condition is

cleared.

Example Enable the controller-failure trigger and disable the partner-notification trigger:

# set auto-write-through-trigger controller-failure enable partner-notify

disable

Success: Command completed successfully. - Auto-write-through-trigger parameters

were changed.

See also • show auto-write-through-trigger

• show events

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