1.hdparm 설치

apt-get install hdparm

root@localhost:/home/westporch# apt-get install hdparm
패키지 목록을 읽는 중입니다... 완료
의존성 트리를 만드는 중입니다       
상태 정보를 읽는 중입니다... 완료
다음 패키지를 더 설치할 것입니다:
제안하는 패키지:
다음 새 패키지를 설치할 것입니다:
  hdparm powermgmt-base
0개 업그레이드, 2개 새로 설치, 0개 제거 및 84개 업그레이드 안 함.
118 k바이트 아카이브를 받아야 합니다.
이 작업 후 263 k바이트의 디스크 공간을 더 사용하게 됩니다.
계속 하시겠습니까? [Y/n] y
받기:1 http://ftp.daum.net/debian/ jessie/main hdparm i386 9.43-2 [109 kB]
받기:2 http://ftp.daum.net/debian/ jessie/main powermgmt-base all 1.31+nmu1 [9,240 B]
내려받기 118 k바이트, 소요시간 11초 (10.3 k바이트/초)
Selecting previously unselected package hdparm.
(데이터베이스 읽는중 ...현재 133704개의 파일과 디렉터리가 설치되어 있습니다.)
Preparing to unpack .../hdparm_9.43-2_i386.deb ...
Unpacking hdparm (9.43-2) ...
Selecting previously unselected package powermgmt-base.
Preparing to unpack .../powermgmt-base_1.31+nmu1_all.deb ...
Unpacking powermgmt-base (1.31+nmu1) ...
Processing triggers for systemd (215-17+deb8u1) ...
Processing triggers for man-db ( ...
hdparm (9.43-2) 설정하는 중입니다 ...
update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults
powermgmt-base (1.31+nmu1) 설정하는 중입니다 ...
Processing triggers for systemd (215-17+deb8u1) ...

2.디스크 정보 조회

fdisk -l 명령어로 디스크의 장치 이름을 확인합니다.

장치 이름은 /dev/sda입니다.

root@localhost:/home/westporch# fdisk -l

Disk /dev/sda: 119.2 GiB, 128035676160 bytes, 250069680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x2b84333b

Device     Boot    Start       End   Sectors   Size Id Type
/dev/sda1  *        2048    206847    204800   100M  7 HPFS/NTFS/exFAT
/dev/sda2       31459328 250066943 218607616 104.2G  7 HPFS/NTFS/exFAT
/dev/sda3         208894  31459327  31250434  14.9G  5 Extended
/dev/sda5         208896  30085119  29876224  14.3G 83 Linux
/dev/sda6       30087168  31459327   1372160   670M 82 Linux swap / Solaris

Partition table entries are not in disk order.

hdparm -I ‘장치 이름’ 명령으로 디스크 정보를 확인합니다.

root@localhost:/home/westporch# hdparm -I /dev/sda


ATA device, with non-removable media
        Model Number:       LITEONIT LMT-128M3M                     
        Serial Number:      002228119217        
        Firmware Revision:  VYJ4    
        Transport:          Serial, ATA8-AST, SATA II Extensions, SATA Rev 2.6, SATA Rev 3.0
        Used: ATA/ATAPI-7 T13 1532D revision 4a 
        Supported: 8 7 6 5 & some of 8
        Logical         max     current
        cylinders       16383   16383
        heads           16      16
        sectors/track   63      63
        CHS current addressable sectors:   16514064
        LBA    user addressable sectors:  250069680
        LBA48  user addressable sectors:  250069680
        Logical  Sector size:                   512 bytes
        Physical Sector size:                   512 bytes
        device size with M = 1024*1024:      122104 MBytes
        device size with M = 1000*1000:      128035 MBytes (128 GB)
        cache/buffer size  = unknown
        Nominal Media Rotation Rate: Solid State Device
        LBA, IORDY(can be disabled)
        Queue depth: 32
        Standby timer values: spec'd by Standard, no device specific minimum
        R/W multiple sector transfer: Max = 16  Current = 1
        DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 
             Cycle time: min=120ns recommended=120ns
        PIO: pio0 pio1 pio2 pio3 pio4 
             Cycle time: no flow control=120ns  IORDY flow control=120ns
        Enabled Supported:
           *    SMART feature set
                Security Mode feature set
           *    Power Management feature set
           *    Write cache
           *    Look-ahead
           *    Host Protected Area feature set
           *    WRITE_BUFFER command
           *    READ_BUFFER command
           *    DOWNLOAD_MICROCODE
                SET_MAX security extension
           *    48-bit Address feature set
           *    Device Configuration Overlay feature set
           *    Mandatory FLUSH_CACHE
           *    FLUSH_CACHE_EXT
           *    SMART error logging
           *    SMART self-test
           *    General Purpose Logging feature set
           *    64-bit World wide name
           *    Segmented DOWNLOAD_MICROCODE
           *    Gen1 signaling speed (1.5Gb/s)
           *    Gen2 signaling speed (3.0Gb/s)
           *    Gen3 signaling speed (6.0Gb/s)
           *    Native Command Queueing (NCQ)
           *    Host-initiated interface power management
           *    Phy event counters
           *    DMA Setup Auto-Activate optimization
                Device-initiated interface power management
           *    Software settings preservation
           *    SMART Command Transport (SCT) feature set
           *    SCT Write Same (AC2)
           *    SCT Error Recovery Control (AC3)
           *    SCT Features Control (AC4)
           *    SCT Data Tables (AC5)
           *    Data Set Management TRIM supported (limit 8 blocks)
        not     enabled
        not     locked
        not     frozen
        not     expired: security count
                supported: enhanced erase
Logical Unit WWN Device Identifier: 5000000000000000
        NAA             : 5
        IEEE OUI        : 000000
        Unique ID       : 000000000
Checksum: correct