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Thread: Ubuntu 12.10 not recognizing second hard drive...

  1. #1
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    Ubuntu 12.10 not recognizing second hard drive...

    Just installed 12.10 on a brand new desktop. I'm running a 250 GB SSD as my main drive, and I also installed a 1TB second drive which I hope to use to hold a backup of the main drive, as well as the primary repository for all my music and photography files. I had an old 160 GB drive installed as well, on which resides an old windows OS for the rare instances in which I find a need for windows. Finally, I have a 750GB external drive for additional backup.

    During install, all three internal drives were 'seen'. After install, however, only the SSD and the old windows drive are recognized. as internal drives., The external drive mounts fine too. But the 1TB secondary internal drive doesn't show up anywhere. What can I do?

  2. #2
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    Ubuntu 16.04 Xenial Xerus

    Re: Ubuntu 12.10 not recognizing second hard drive...

    Hi HippieDave.

    Could you post the results of these commands?
    Code:
    mount -l
    
    sudo fdisk -l
    Regards.

  3. #3
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    Re: Ubuntu 12.10 not recognizing second hard drive...

    Here is the response to mount -l


    /dev/mapper/ubuntu-root on / type ext4 (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)
    none on /sys/firmware/efi/efivars type efivarfs (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)
    none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755)
    /dev/sda2 on /boot type ext2 (rw)
    /dev/sda1 on /boot/efi type vfat (rw)
    gvfsd-fuse on /run/user/david/gvfs type fuse.gvfsd-fuse (rw,nosuid,nodev,user=david)
    /dev/sdh1 on /media/david/WD Back-up type fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096) [WD Back-up]
    /dev/sdc1 on /media/david/9E405D3C405D1C79 type fuseblk (rw,nosuid,nodev,allow_other,default_permissions,b lksize=4096)


    And I got this to sudo fdisk -l

    WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.


    Disk /dev/sda: 250.1 GB, 250059350016 bytes
    255 heads, 63 sectors/track, 30401 cylinders, total 488397168 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
    Disk identifier: 0x00000000

    Device Boot Start End Blocks Id System
    /dev/sda1 1 488397167 244198583+ ee GPT

    Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000

    Disk /dev/sdb doesn't contain a valid partition table

    Disk /dev/sdc: 160.0 GB, 160041885696 bytes
    255 heads, 63 sectors/track, 19457 cylinders, total 312581808 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
    Disk identifier: 0xab18bbd3

    Device Boot Start End Blocks Id System
    /dev/sdc1 * 63 312576704 156288321 7 HPFS/NTFS/exFAT

    Disk /dev/mapper/ubuntu-root: 241.3 GB, 241331863552 bytes
    255 heads, 63 sectors/track, 29340 cylinders, total 471351296 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
    Disk identifier: 0x00000000

    Disk /dev/mapper/ubuntu-root doesn't contain a valid partition table

    Disk /dev/mapper/ubuntu-swap_1: 8266 MB, 8266973184 bytes
    255 heads, 63 sectors/track, 1005 cylinders, total 16146432 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
    Disk identifier: 0x00000000

    Disk /dev/mapper/ubuntu-swap_1 doesn't contain a valid partition table

    Disk /dev/sdh: 750.2 GB, 750156374016 bytes
    255 heads, 63 sectors/track, 91201 cylinders, total 1465149168 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
    Disk identifier: 0x44fdfe06

    Device Boot Start End Blocks Id System
    /dev/sdh1 2048 1465145343 732571648 7 HPFS/NTFS/exFAT


    I am still finding my way around the new desktop look for 12.10 (I'm used to 10.04. But I found "computer" and it lists all drives. When I try to open the 1 TB drive, I get a 'cannot mount drive' message. Thank you for helping!

  4. #4
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    Ubuntu 16.04 Xenial Xerus

    Re: Ubuntu 12.10 not recognizing second hard drive...

    It looks like missing drive is /dev/sdb

    Does it appear on nautilus when you go to?
    Code:
    Go -> Computer
    If not, could you post an screenshot of gparted?

    Regards.

  5. #5
    Join Date
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    Re: Ubuntu 12.10 not recognizing second hard drive...

    Thanks Papibe:

    The drive is there in "computer". If I try to open it I get a 'cannot mount' message.

    btw, when I try to run 'gparted' I get an message that root privileges are needed and I don't have them. How is this possible, as I am originator/only user of system?

  6. #6
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    Ubuntu 16.04 Xenial Xerus

    Re: Ubuntu 12.10 not recognizing second hard drive...

    You should be able to use gparted on other drives, but not on your current drive. But it should show your current drive. When you start gparted it should ask for your password.
    You can also try from command line:
    gksudo gparted

    Is your 1TB drive new and not partitioned yet, or is it damaged?

    Disk /dev/sdb doesn't contain a valid partition table
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

  7. #7
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    Re: Ubuntu 12.10 not recognizing second hard drive...

    The whole computer --including the 1TB drive--is new. I just used the install wizard to install on the SSD --I didn't manually partition anything, as i am not feeling real solid about that. So that is probably the answer. 1) Is there a way to address this drive --i.e., partition it if that is what is necessary--without reinstalling the OS? and 2) if I do have to manually partition it, how the heck do I do that. Sorry for such a simple Q, but while I'm a long time Ubuntu user, I really am a newbie when it comes to getting in under the covers.

  8. #8
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    Re: Ubuntu 12.10 not recognizing second hard drive...

    Taking hints from all your questions, I found these instructions on how to ADD a new drive --

    https://help.ubuntu.com/community/In...NewHardDrive--

    these walked me through partitioning it and the computer now mounts it automatically upon boot. All LOOKS well...now I just have to figure out how to tell applications to save music, photos, docs etc to files on that drive! Thank you all. Any additional hints or links to sources on how I should manage this drive are welcome.

  9. #9
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    Ubuntu 12.10 Quantal Quetzal

    Re: Ubuntu 12.10 not recognizing second hard drive...

    /dev/sdb appears as a broken raid - which apparently you don't want to use it as such! The long term solution is to permanently erase the raid meta data from sdb - ie
    sudo dmraid -Ea /dev/sdb
    for good measure also uninstall dmraid. ie
    sudo apt-get purge dmraid
    You should then be able to use sdb as you please!
    12.10 Quantal w/grub2/Mint13 installed on raid0, Gigabyte AMD MB, AMD 64x4 CPUs at 3.2GHz, 16 GB ram, HD7770 ATI video, dual boot win7 on 64gb ssd and win8 on 1Tb SATA raid. 13.04 installed on raid0 and ssd

  10. #10
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    Re: Ubuntu 12.10 not recognizing second hard drive...

    If you mount your data partition(s) with fstab then you can link them into /home as either replacements for current folders like Music or as other folder with a different name. I use linking folders from one mount of a data partition in fstab, some others prefer using bind which adds each folder in fstab. Supposely some advantages of bind if using networking & sharing. I only use one PC so linking has worked for me.

    I prefer a separate /data partition. Then you can easily share your data without having the conflict of the user settings in hidden files & folders. Works best if all installed systems are Debian based, see UID issues below.

    The actual user settings are small. My /home is 2GB with most of that as .wine with Picasa which I have not yet moved to my /data. Because /home is small I now keep it as part of / (root).
    Then I can have a fully functioning system on one drive but have data linked in from other partitions on other drives.

    Data can be shared without the possible conflicts of user settings being different in different versions. I only copy some settings from one install to the next, normally. But I have to separately back up /home and the /data partition. Also saves the error of reformating a /home partition accidentally. I never reformat my /data and just configure / for install.

    Splitting home directory discussion and details:
    http://ubuntuforums.org/showthread.php?t=1811198
    http://ubuntuforums.org/showthread.php?t=1901437
    http://ubuntuforums.org/showthread.p...hlight=%2Fdata
    Link is on move home but see post by bodhi.zazen on data partition #6
    http://ubuntuforums.org/showthread.php?t=325048


    Shared Data with Different operating systems, different uid and gid issues - Morbius1
    http://ubuntuforums.org/showthread.php?t=1675381
    For more info on UEFI boot install & repair - Regularly Updated :
    http://ubuntuforums.org/showthread.php?t=2147295
    Please use Thread Tools above first post to change to [Solved] when/if answered completely.

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