커피닉스, 시스템 엔지니어의 쉼터
  Linux,FreeBSD에서 HDD, CDROM정보는 어디서? 작성일 : 2006/01/24 20:46
 
  • 글쓴이 : 좋은진호 ( http://coffeenix.net/ )
  • 조회수 : 14921
     
    제  목 : Linux,FreeBSD에서 HDD, CDROM정보는 어디서?
    작성자 : 좋은진호(truefeel, http://coffeenix.net/ )
    작성일 : 2006.1.23(월)

    정리차원에서 적어둔다.

    1. Linux에서 HDD disk 종류, CDROM 확인

    1) SCSI의 경우

       cat /proc/scsi/scsi

     
    # cat /proc/scsi/scsi
    Attached devices:
    Host: scsi0 Channel: 00 Id: 00 Lun: 00
      Vendor: FUJITSU  Model: MAP3367NC        Rev: 5608
      Type:   Direct-Access                    ANSI SCSI revision: 03
    Host: scsi0 Channel: 00 Id: 01 Lun: 00
      Vendor: FUJITSU  Model: MAP3367NC        Rev: 5608
      Type:   Direct-Access                    ANSI SCSI revision: 03
    Host: scsi0 Channel: 00 Id: 06 Lun: 00
      Vendor: PE/PV    Model: 1x5 SCSI BP      Rev: 1.1
      Type:   Processor                        ANSI SCSI revision: 02
     


    2) IDE의 경우

       cat /proc/ide/ide0/hda/model

     
    # cat /proc/ide/ide0/hda/model
    ST380011A
     


    3) CDROM 확인

       cat /proc/sys/dev/cdrom/info 확인 후 'drive name' 에 따라 모델정보 확인
       cat /proc/ide/ide0/hda/model

     
    # cat /proc/sys/dev/cdrom/info
    CD-ROM information, Id: cdrom.c 3.12 2000/10/18

    drive name:             hda <-- 드라이브명 확인
    drive speed:            24
    drive # of slots:       1
    Can close tray:         1
    Can open tray:          1
    Can lock tray:          1
    Can change speed:       1
    Can select disk:        0
    Can read multisession:  1
    Can read MCN:           1
    Reports media changed:  1
    Can play audio:         1
    Can write CD-R:         0
    Can write CD-RW:        0
    Can read DVD:           0
    Can write DVD-R:        0
    Can write DVD-RAM:      0
    #
    # cat /proc/ide/ide0/hda/model
    TEAC CD-ROM CD-224E
     


     
    # cat /proc/sys/dev/cdrom/info
    CD-ROM information, Id: cdrom.c 3.12 2000/10/18

    drive name:             hdc <-- 드라이브명 확인
    drive speed:            52
    drive # of slots:       1
    Can close tray:         1
    Can open tray:          1
    Can lock tray:          1
    Can change speed:       1
    Can select disk:        0
    Can read multisession:  1
    Can read MCN:           1
    Reports media changed:  1
    Can play audio:         1
    Can write CD-R:         0
    Can write CD-RW:        0
    Can read DVD:           0
    Can write DVD-R:        0
    Can write DVD-RAM:      0
    #
    # cat /proc/ide/ide1/hdc/model
    HL-DT-ST CD-ROM GCR-8522B
     


    2. FreeBSD에서 HDD disk 종류, CDROM 확인

    부팅될 때 메시지가 /var/run/dmesg.boot 파일에 저장되어 있으니 살펴보면 확인할 수 있다.
    FreeBSD에 Disk Device 코드가 아래와 같으니 비교하면 쉽에 어떤 장치인지 알 수 있다.

    ------  -----------------------------
    CODE         의미
    ------  -----------------------------
    ad      ATAPI (IDE) disk
    da      SCSI direct access disk
    acd     ATAPI (IDE) CDROM
    cd      SCSI CDROM
    fd      Floppy disk

    [ RAID 인 경우 ]
    amrd    AMI MegaRAID®
    idad    Compaq Smart RAID
    twed    3ware® RAID
    ------  -----------------------------
    ※ FreeBSD Handbook 참고
       http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/disk-organization.html

     
    acd0: CDROM at ata1-master BIOSPIO
    ... 생략 ...
    da0 at mpt0 bus 0 target 0 lun 0
    da0: Fixed Direct Access SCSI-3 device
    da0: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged Queueing Enabled
    da0: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
    da1 at mpt0 bus 0 target 1 lun 0
    da1: Fixed Direct Access SCSI-3 device
    da1: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged Queueing Enabled
    da1: 34732MB (71132959 512 byte sectors: 255H 63S/T 4427C)
     


    다음은 RAID 1과 5로 구성된 경우이다.

     
    amr0: mem 0xdfdc0000-0xdfdfffff,0xd80f0000-0xd80fffff irq 10 at device 14.0 on pci2
    amr0: Firmware 521S, BIOS H430, 256MB RAM
    ... 생략 ...
    acd0: CDROM at ata0-master PIO4
    amrd0: on amr0
    amrd0: 69880MB (143114240 sectors) RAID 1 (optimal)
    amrd1: on amr0
    amrd1: 209640MB (429342720 sectors) RAID 5 (optimal)
    pass0 at amr0 bus 0 target 6 lun 0
    pass0: Fixed Processor SCSI-2 device
     


     
    acd0: CDROM at ata0-master PIO4
    Waiting 15 seconds for SCSI devices to settle
    da0 at ciss0 bus 0 target 0 lun 0
    da0: Fixed Direct Access SCSI-0 device
    da0: 135.168MB/s transfers
    da0: 34727MB (71122560 512 byte sectors: 255H 32S/T 8716C)
    da1 at ciss0 bus 0 target 1 lun 0
    da1: Fixed Direct Access SCSI-0 device
    da1: 135.168MB/s transfers
    da1: 69455MB (142245120 512 byte sectors: 255H 32S/T 17432C)
     



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