SAS Power Down: Difference between revisions

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Line 6: Line 6:
  sg_ses --descriptor Slot12 --clear=ident /dev/sg1
  sg_ses --descriptor Slot12 --clear=ident /dev/sg1
[http://sg.danny.cz/sg/sg_ses.html]
[http://sg.danny.cz/sg/sg_ses.html]
# lsscsi -g
[0:0:0:0]    disk    ATA      Samsung SSD 840  6B0Q  /dev/sda  /dev/sg0
[1:0:0:0]    disk    ATA      Samsung SSD 840  4B0Q  /dev/sdk  /dev/sg11
[8:0:0:0]    disk    ATA      ST6000NM0024-1HT SN05  /dev/sdb  /dev/sg1
[8:0:1:0]    disk    ATA      ST6000NM0024-1HT SN05  /dev/sdc  /dev/sg2
[8:0:2:0]    disk    ATA      ST6000DM004-2EH1 DN03  /dev/sdd  /dev/sg3
[8:0:4:0]    disk    ATA      WDC WD6001FFWX-6 0A81  /dev/sdf  /dev/sg5
[8:0:5:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdg  /dev/sg6
[8:0:6:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdh  /dev/sg7
[8:0:7:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdi  /dev/sg8
[8:0:8:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdj  /dev/sg9
[8:0:9:0]    enclosu LSI      SAS3x36          0601  -          /dev/sg10
[8:0:10:0]  disk    ATA      ST6000NM0044    G002  /dev/sdl  /dev/sg12
# sg_ses -C ident -x 5 /dev/sg10

Latest revision as of 14:34, 19 August 2018

To spin down the SAS hard disks hdparm cannot be used (due to missing SATA part):

sg_start --stop /dev/sdl
sg_start --start /dev/sdl

Turn off led for a slot:

sg_ses --descriptor Slot12 --clear=ident /dev/sg1

[1]

# lsscsi -g
[0:0:0:0]    disk    ATA      Samsung SSD 840  6B0Q  /dev/sda   /dev/sg0
[1:0:0:0]    disk    ATA      Samsung SSD 840  4B0Q  /dev/sdk   /dev/sg11
[8:0:0:0]    disk    ATA      ST6000NM0024-1HT SN05  /dev/sdb   /dev/sg1
[8:0:1:0]    disk    ATA      ST6000NM0024-1HT SN05  /dev/sdc   /dev/sg2
[8:0:2:0]    disk    ATA      ST6000DM004-2EH1 DN03  /dev/sdd   /dev/sg3
[8:0:4:0]    disk    ATA      WDC WD6001FFWX-6 0A81  /dev/sdf   /dev/sg5
[8:0:5:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdg   /dev/sg6
[8:0:6:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdh   /dev/sg7
[8:0:7:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdi   /dev/sg8
[8:0:8:0]    disk    SEAGATE  ST10000NM0096    E001  /dev/sdj   /dev/sg9
[8:0:9:0]    enclosu LSI      SAS3x36          0601  -          /dev/sg10
[8:0:10:0]   disk    ATA      ST6000NM0044     G002  /dev/sdl   /dev/sg12
# sg_ses -C ident -x 5 /dev/sg10