[巴法络] ls-wvl 硬盘休眠省电模式开启，大家测试一下是否管用

ls-wvl 硬盘休眠省电模式开启，大家测试一下是否管用：


Usage: hdparm [options] [device]

Options:
        -a      Get/set fs readahead
        -A      Set drive read-lookahead flag (0/1)
        -b      Get/set bus state (0 == off, 1 == on, 2 == tristate)
        -B      Set Advanced Power Management setting (1-255)
        -c      Get/set IDE 32-bit IO setting
        -C      Check IDE power mode status
        -d      Get/set using_dma flag
        -D      Enable/disable drive defect-mgmt
        -f      Flush buffer cache for device on exit
        -g      Display drive geometry
        -h      Display terse usage information
        -i      Display drive identification
        -I      Detailed/current information directly from drive
        -k      Get/set keep_settings_over_reset flag (0/1)
        -K      Set drive keep_features_over_reset flag (0/1)
        -L      Set drive doorlock (0/1) (removable harddisks only)
        -m      Get/set multiple sector count
        -n      Get/set ignore-write-errors flag (0/1)
        -p      Set PIO mode on IDE interface chipset (0,1,2,3,4,...)
        -P      Set drive prefetch count
        -q      Change next setting quietly
        -Q      Get/set DMA tagged-queuing depth (if supported)
        -r      Get/set readonly flag (DANGEROUS to set)
        -R      Register an IDE interface (DANGEROUS)
        -S      Set standby (spindown) timeout
        -t      Perform device read timings
        -T      Perform cache read timings
        -u      Get/set unmaskirq flag (0/1)
        -U      Un-register an IDE interface (DANGEROUS)
        -v      Defaults; same as -mcudkrag for IDE drives
        -V      Display program version and exit immediately
        -w      Perform device reset (DANGEROUS)
        -W      Set drive write-caching flag (0/1) (DANGEROUS)
        -x      Tristate device for hotswap (0/1) (DANGEROUS)
        -X      Set IDE xfer mode (DANGEROUS)
        -y      Put IDE drive in standby mode
        -Y      Put IDE drive to sleep
        -Z      Disable Seagate auto-powersaving mode
        -z      Re-read partition table