CmdID

CmdID / Commands

hdparm

Get and set SATA and IDE hard drive parameters. tldr-pages

On Linux

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Linux

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Request the identification info of a given device

sudo hdparm -I /dev/deviceIdentify

Get the Advanced Power Management level

sudo hdparm -B /dev/deviceIdentify

Set the Advanced Power Management value (values 1-127 permit spin-down, and values 128-254 do not)

sudo hdparm -B 1 /dev/deviceIdentify

Display the device's current power mode status

sudo hdparm -C /dev/deviceIdentify

Force a drive to immediately enter standby mode (usually causes a drive to spin down)

sudo hdparm -y /dev/deviceIdentify

Put the drive into idle (low-power) mode, also setting its standby timeout

sudo hdparm -S standby_timeout deviceIdentify

Test the read speed of a specific device

sudo hdparm -tT deviceIdentify