LinuxQuestions.org - [SOLVED] LVM mount via USB

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LVM mount via USB

My father passed away about 6 months ago and I'm just getting around to going threw all 18 hard drives... I have been using Ubuntu 14.04 for over a year now and while I'm not a pro I can handle most things.

One drive has LVM on it. I have attached it via a USB2.0 to SATA cable. I followed the instructions here: http://linuxers.org/howto/how-mount-...rtitions-linux

Code:

michael [ ~ ]$ sudo fdisk -l

[sudo] password for michael: 



Disk /dev/sda: 1500.3 GB, 1500301910016 bytes

255 heads, 63 sectors/track, 182401 cylinders, total 2930277168 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: 0x38431b10



  Device Boot      Start        End      Blocks  Id  System

/dev/sda1            2048  1464322047  732160000    7  HPFS/NTFS/exFAT

/dev/sda2      1464322048  2930272255  732975104    7  HPFS/NTFS/exFAT



Disk /dev/sdb: 256.1 GB, 256060514304 bytes

255 heads, 63 sectors/track, 31130 cylinders, total 500118192 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: 0x000656a3



  Device Boot      Start        End      Blocks  Id  System

/dev/sdb1            2048    33560575    16779264  82  Linux swap / Solaris

/dev/sdb2  *    33560576    75505663    20972544  83  Linux

/dev/sdb3        75505664  500117503  212305920  83  Linux



Disk /dev/sdc: 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: 0x000da346



  Device Boot      Start        End      Blocks  Id  System

/dev/sdc1  *        2048      499711      248832  83  Linux

/dev/sdc2          501758  1465147391  732322817    5  Extended

/dev/sdc5          501760  1465147391  732322816  8e  Linux LVM

michael [ ~ ]$ sudo pvs

  PV        VG        Fmt  Attr PSize  PFree

  /dev/sdc5  ubuntu1-vg lvm2 a--  698.39g    0 

michael [ ~ ]$ sudo lvdisplay /dev/ubuntu1-vg

  --- Logical volume ---

  LV Path                /dev/ubuntu1-vg/root

  LV Name                root

  VG Name                ubuntu1-vg

  LV UUID                StErnb-Mtop-NaEy-faw4-wNk0-bY5I-6ARBmI

  LV Write Access        read/write

  LV Creation host, time ubuntu1, 2014-08-12 18:45:21 +0900

  LV Status              NOT available

  LV Size                694.39 GiB

  Current LE            177765

  Segments              1

  Allocation            inherit

  Read ahead sectors    auto

  

  --- Logical volume ---

  LV Path                /dev/ubuntu1-vg/swap_1

  LV Name                swap_1

  VG Name                ubuntu1-vg

  LV UUID                62DxMC-qLAo-6cU9-kA5H-kNoL-7B4t-1ZCQcK

  LV Write Access        read/write

  LV Creation host, time ubuntu1, 2014-08-12 18:45:21 +0900

  LV Status              NOT available

  LV Size                4.00 GiB

  Current LE            1024

  Segments              1

  Allocation            inherit

  Read ahead sectors    auto

  

michael [ ~ ]$ mount /dev/ubuntu1-vg/root /mnt

mount: only root can do that

michael [ ~ ]$ sudo mount /dev/ubuntu1-vg/root /mnt

mount: special device /dev/ubuntu1-vg/root does not exist

So where did I go wrong?

Quote:

Originally Posted by rizean (Post 5298379)

Code:

michael [ ~ ]$ sudo lvdisplay /dev/ubuntu1-vg

  --- Logical volume ---

  LV Path                /dev/ubuntu1-vg/root

  LV Name                root

  VG Name                ubuntu1-vg

  LV UUID                StErnb-Mtop-NaEy-faw4-wNk0-bY5I-6ARBmI

  LV Write Access        read/write

  LV Creation host, time ubuntu1, 2014-08-12 18:45:21 +0900

  LV Status              NOT available

  LV Size                694.39 GiB

  Current LE            177765

  Segments              1

  Allocation            inherit

  Read ahead sectors    auto

 ...

michael [ ~ ]$ sudo mount /dev/ubuntu1-vg/root /mnt

mount: special device /dev/ubuntu1-vg/root does not exist

So where did I go wrong?

Presumably, you need to activate that LV:

Code:

lvchange -ay /dev/ubuntu1-vg/root

You can enter

Code:

sudo lvm

to enter LVM commands. Type help to get a list of all commands, quit to leave the command environment.

Code:

lvm> help

  Available lvm commands:

  Use 'lvm help <command>' for more information

  

  dumpconfig      Dump active configuration

  formats        List available metadata formats

  help            Display help for commands

  lvchange        Change the attributes of logical volume(s)

  lvconvert      Change logical volume layout

  lvcreate        Create a logical volume

  lvdisplay      Display information about a logical volume

  lvextend        Add space to a logical volume

  lvmchange      With the device mapper, this is obsolete and does nothing.

  lvmdiskscan    List devices that may be used as physical volumes

  lvmsadc        Collect activity data

  lvmsar          Create activity report

  lvreduce        Reduce the size of a logical volume

  lvremove        Remove logical volume(s) from the system

  lvrename        Rename a logical volume

  lvresize        Resize a logical volume

  lvs            Display information about logical volumes

  lvscan          List all logical volumes in all volume groups

  pvchange        Change attributes of physical volume(s)

  pvresize        Resize physical volume(s)

  pvck            Check the consistency of physical volume(s)

  pvcreate        Initialize physical volume(s) for use by LVM

  pvdata          Display the on-disk metadata for physical volume(s)

  pvdisplay      Display various attributes of physical volume(s)

  pvmove          Move extents from one physical volume to another

  pvremove        Remove LVM label(s) from physical volume(s)

  pvs            Display information about physical volumes

  pvscan          List all physical volumes

  segtypes        List available segment types

  vgcfgbackup    Backup volume group configuration(s)

  vgcfgrestore    Restore volume group configuration

  vgchange        Change volume group attributes

  vgck            Check the consistency of volume group(s)

  vgconvert      Change volume group metadata format

  vgcreate        Create a volume group

  vgdisplay      Display volume group information

  vgexport        Unregister volume group(s) from the system

  vgextend        Add physical volumes to a volume group

  vgimport        Register exported volume group with system

  vgmerge        Merge volume groups

  vgmknodes      Create the special files for volume group devices in /dev

  vgreduce        Remove physical volume(s) from a volume group

  vgremove        Remove volume group(s)

  vgrename        Rename a volume group

  vgs            Display information about volume groups

  vgscan          Search for all volume groups

  vgsplit        Move physical volumes into a new or existing volume group

  version        Display software and driver version information

lvm> quit

  Exiting.

Quote:

Originally Posted by rknichols (Post 5298414)

Presumably, you need to activate that LV:

Code:

lvchange -ay /dev/ubuntu1-vg/root

Thanks this work!

Quote:

Originally Posted by rizean (Post 5298892)

Thanks this work!

Please use the thread tools at the top to mark this SOLVED. Oops, now I see you did.