Dell EMC OpenManage Command Line Interface Guide Version 9.1


Omconfig Disable Device Write Cache

Table 1. omconfig Disable Device Write Cache . The following table describes the syntax and sample syntaxes for the omconfig Disable Device Write Cache command.


Disables write cache on a physical disk for the PCIe SSD controller.


omconfig storage pdisk action=disabledevicewritecache controller=id pdisk=< PDISKID> , where id is the controller ID. The <PDISKID> variable specifies the physical disk.

  • NOTE: To obtain these values, type omreport storage controller to display the controller IDs and then type omreport storage pdisk controller=ID to display the IDs for the physical disks attached to the controller.

Example to

Disable write cache on physical disk 3 on connector 0 of controller 1. On a SAS controller, the physical disk resides in enclosure 2.

Example for SAS controllers

omconfig storage pdisk action=disabledevicewritecache controller=1 pdisk=0:2:3

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