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Thread: Problems with mounting external (SATA/USB) drive

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  1. #1
    Join Date
    Dec 2005
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    Distro
    Kubuntu 14.04 Trusty Tahr

    Problems with mounting external (SATA/USB) drive

    I have a 500 Gb external drive. It has a switch to use either USB or ESATA connection. I can use it okay with USB, but as there is a lot of files to copy to it, I would prefer to use the SATA/ESATA connection.

    Have modified /etc/fstab to include the mount parameters. Reboot and the computer just hangs for about 5 mins at post BIOS, trying to auto detect the external drive I think. It does into Ubuntu and a screen with options to Skip, Wait, etc. All up it will not recognise the drive in ESATA mode. When I try to do a manual mount, I get an error message:


    Code:
    sudo mount -a
    [sudo] password for fred: 
    mount: special device UUID=43eb-0004 does not exist
    Here is some info:

    fred@fred:~$ sudo blkid
    /dev/sda1: UUID="43eb-0001" SEC_TYPE="ext2" TYPE="ext3"
    /dev/sda3: UUID="43eb-0002" SEC_TYPE="ext2" TYPE="ext3"
    /dev/sda5: UUID="43eb-0003" TYPE="swap"
    fred@fred:~$
    fred@fred:~$ ls /dev/disk/by-uuid/ -alh
    total 0
    drwxr-xr-x 2 root root 100 Feb 21 19:08 .
    drwxr-xr-x 5 root root 100 Feb 21 19:08 ..
    lrwxrwxrwx 1 root root 10 Feb 21 19:08 43eb-0001 -> ../../sda1
    lrwxrwxrwx 1 root root 10 Feb 21 19:08 43eb-0002 -> ../../sda3
    lrwxrwxrwx 1 root root 10 Feb 21 19:09 43eb-0003 -> ../../sda5
    fred@fred:~$
    fred@fred:~$ cat /etc/fstab
    # /etc/fstab: static file system information.
    #
    # Use 'blkid' to print the universally unique identifier for a
    # device; this may be used with UUID= as a more robust way to name devices
    # that works even if disks are added and removed. See fstab(5).
    #
    # <file system> <mount point> <type> <options> <dump> <pass>
    proc /proc proc nodev,noexec,nosuid 0 0
    # / was on /dev/sda1 during installation
    UUID=43eb-0001 / ext3 errors=remount-ro 0 1
    # /home was on /dev/sda3 during installation
    UUID=43eb-0002 /home ext3 defaults 0 2
    # swap was on /dev/sda5 during installation
    UUID=43eb-0003 none swap sw 0 0
    # / external hard drive - 500Gb
    UUID=43eb-0004 /media/externaldisk ext3 errors=remount-ro 0 1
    /dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
    //192.168.1.100/Win95B /media/windowsshare cifs guest,uid=1000,iocharset=utf8 0 0
    fred@fred:~$
    fred@fred:~$ sudo lshw -class disk
    [sudo] password for fred:
    *-cdrom
    description: CD-R/CD-RW writer
    product: CD-RW SOHR-5239S
    vendor: LITE-ON
    physical id: 0.0.0
    bus info: scsi@5:0.0.0
    logical name: /dev/cdrom2
    logical name: /dev/cdrw2
    logical name: /dev/sr1
    version: 2S08
    capabilities: removable audio cd-r cd-rw
    configuration: ansiversion=5 status=nodisc
    *-disk
    description: ATA Disk
    product: ST3500320AS
    vendor: Seagate
    physical id: 0
    bus info: scsi@0:0.0.0
    logical name: /dev/sda
    version: SD15
    serial: 9QM5N21A
    size: 465GiB (500GB)
    capabilities: partitioned partitioned:dos
    configuration: ansiversion=5 signature=0003fa35
    *-cdrom
    description: DVD-RAM writer
    product: DRW-2014S1T
    vendor: ASUS
    physical id: 1
    bus info: scsi@1:0.0.0
    logical name: /dev/cdrom
    logical name: /dev/cdrw
    logical name: /dev/dvd
    logical name: /dev/dvdrw
    logical name: /dev/sr0
    version: 1.01
    capabilities: removable audio cd-r cd-rw dvd dvd-r dvd-ram
    configuration: ansiversion=5 status=nodisc
    *-disk
    description: SCSI Disk
    physical id: 0.0.0
    bus info: scsi@4:0.0.0
    logical name: /dev/sdb
    size: 2TiB (2199GB)
    fred@fred:~$
    fred@fred:~$ sudo blkid -o full -s UUID
    /dev/sda1: UUID="43eb-0001"
    /dev/sda3: UUID="43eb-0002"
    /dev/sda5: UUID="43eb-0003"
    fred@fred:~$
    fred@fred:~$ /usr/bin/udisks --mount /dev/sdb
    Mount failed: Error mounting: mount: you must specify the filesystem type

    fred@fred:~$
    fred@fred:~$ mount
    /dev/sda1 on / type ext3 (rw,errors=remount-ro)
    proc on /proc type proc (rw,noexec,nosuid,nodev)
    sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
    none on /sys/fs/fuse/connections type fusectl (rw)
    none on /sys/kernel/debug type debugfs (rw)
    none on /sys/kernel/security type securityfs (rw)
    udev on /dev type devtmpfs (rw,mode=0755)
    devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
    tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
    none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
    none on /run/shm type tmpfs (rw,nosuid,nodev)
    /dev/sda3 on /home type ext3 (rw)
    gvfs-fuse-daemon on /home/fred/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=fred)
    //192.168.1.100/Win95B on /media/windowsshare type cifs (rw)
    fred@fred:~$
    fred@fred:~$ ls -al /dev/disk/by-uuid/
    total 0
    drwxr-xr-x 2 root root 100 Feb 21 19:08 .
    drwxr-xr-x 5 root root 100 Feb 21 19:08 ..
    lrwxrwxrwx 1 root root 10 Feb 21 19:08 43eb-0001 -> ../../sda1
    lrwxrwxrwx 1 root root 10 Feb 21 19:08 43eb-0002 -> ../../sda3
    lrwxrwxrwx 1 root root 10 Feb 21 19:09 43eb-0003 -> ../../sda5
    fred@fred:~$
    I can't figure out why this external drive won't mount in SATA mode. Hmm, GParted says /dev/sdb is 2 Tb (it's only 500 GB I think) and "unallocated" ??

    PLEASE note, wherever you see either 43eb-0001, 43eb-0002, 43eb-0003 or 43eb-0004, these are not the correct UUID, only for display purposes.
    Last edited by oygle; February 22nd, 2014 at 05:39 AM. Reason: make a note about UUID

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