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Enabling and disabling cache rewarming

Cache "rewarming" is enabled by default if a Flash Cache or Flash Cache 2 module is installed. You can disable and then re-enable cache rewarming, if necessary. You should do this only under the guidance of technical support.

Before you begin

You can enable cache rewarming if the following is true:
  • A Flash Cache or Flash Cache 2 module is installed.
  • The WAFL external cache functionality is enabled.

About this task

Cache rewarming works at the node level. To ensure that cache rewarming works during a takeover and giveback, enable it on all nodes.

Step

  1. Enter one of the following commands:
    If you want to... Use this command:
    Disable cache rewarming
    options flexscale.rewarm off
    Enable cache rewarming
    options flexscale.rewarm on