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    Help... resize partition


    I have a MYBook Live Duo and I am trying to switch 2tb drives with 3tb drives. I can get the partition resized but then the drive does not see the partition. below is some info of the drive..the /dev/md3 is the part that I can't get to show after I resize it


    Last login: Fri Feb 1 19:36:51 on ttys001
    24-GHz-quad-core-MacBook-Pro:~ sdez$ ssh root@192.168.0.103
    root@192.168.0.103's password:
    Linux MyBookLiveDuo 2.6.32.11-svn70860 #1 Thu May 17 13:32:51 PDT 2012 ppc
    Disclaimer: SSH provides access to the network device and all its
    content, only users with advanced computer networking and Linux experience
    should enable it. Failure to understand the Linux command line interface
    can result in rendering your network device inoperable, as well as allowing
    unauthorized users access to your network. If you enable SSH, do not share
    the root password with anyone you do not want to have direct access to all
    the content on your network device.

    MyBookLiveDuo:~# df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/md1 1.9G 563M 1.3G 31% /
    tmpfs 50M 0 50M 0% /lib/init/rw
    udev 10M 1.3M 8.8M 13% /dev
    tmpfs 50M 0 50M 0% /dev/shm
    tmpfs 50M 3.9M 47M 8% /tmp
    ramlog-tmpfs 20M 5.0M 16M 25% /var/log
    /dev/md3 1.9T 2.1G 1.9T 1% /DataVolume
    MyBookLiveDuo:~# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) unit s
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 5860533168s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 30720s 1032191s 1001472s linux-swap(v1) primary raid
    1 1032192s 5031935s 3999744s ext3 primary raid
    2 5031936s 9031679s 3999744s ext3 primary raid
    4 9031680s 3907028991s 3897997312s ext4 primary raid

    (parted) quit
    MyBookLiveDuo:~#
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    More info about problem


    here is the process i follow. My problem is that /dev/md3 does not show or mount when I am finished. It is resized.

    ssh into drive

    MyBookLiveDuo:~# df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/md1 1.9G 564M 1.3G 31% /
    tmpfs 50M 0 50M 0% /lib/init/rw
    udev 10M 960K 9.1M 10% /dev
    tmpfs 50M 0 50M 0% /dev/shm
    tmpfs 50M 4.2M 46M 9% /tmp
    ramlog-tmpfs 20M 3.9M 17M 20% /var/log
    /dev/md3 1.9T 2.1G 1.9T 1% /DataVolume
    MyBookLiveDuo:~# /etc/init.d/mionet stop
    -bash: /etc/init.d/mionet: No such file or directory
    MyBookLiveDuo:~# /etc/init.d/twonky stop
    -bash: /etc/init.d/twonky: No such file or directory
    MyBookLiveDuo:~# /etc/init.d/itunes stop
    Stopping itunes server: forked-daapd.
    MyBookLiveDuo:~# umount /CacheVolume
    umount: /CacheVolume: device is busy
    umount: /CacheVolume: device is busy
    MyBookLiveDuo:~# umount /nfs
    MyBookLiveDuo:~# umount /shares
    umount: /shares: device is busy
    umount: /shares: device is busy
    MyBookLiveDuo:~# umount /DataVolume
    MyBookLiveDuo:~# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) unit s
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 5860533168s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 30720s 1032191s 1001472s linux-swap(v1) primary raid
    1 1032192s 5031935s 3999744s ext3 primary raid
    2 5031936s 9031679s 3999744s ext3 primary raid
    4 9031680s 3907028991s 3897997312s ext4 primary raid

    (parted) rm 4
    Warning: WARNING: the kernel failed to re-read the partition table on /dev/sda
    (Device or resource busy). As a result, it may not reflect all of your changes
    until after reboot.
    (parted) mkpart primary 9031680s -1
    Warning: You requested a partition from 9031680s to 5860533167s.
    The closest location we can manage is 9031680s to 5860533134s.
    Is this still acceptable to you?
    Yes/No? yes
    Warning: WARNING: the kernel failed to re-read the partition table on /dev/sda
    (Device or resource busy). As a result, it may not reflect all of your changes
    until after reboot.
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 5860533168s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 30720s 1032191s 1001472s linux-swap(v1) primary raid
    1 1032192s 5031935s 3999744s ext3 primary raid
    2 5031936s 9031679s 3999744s ext3 primary raid
    4 9031680s 5860533134s 5851501455s ext4 primary

    (parted) quit
    Information: You may need to update /etc/fstab.

    MyBookLiveDuo:~# sync
    MyBookLiveDuo:~# reboot

    ssh back into drive

    MyBookLiveDuo:~# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 15.7MB 528MB 513MB linux-swap(v1) primary raid
    1 528MB 2576MB 2048MB ext3 primary raid
    2 2576MB 4624MB 2048MB ext3 primary raid
    4 4624MB 3001GB 2996GB ext4 primary

    (parted) quit
    MyBookLiveDuo:~# mkpart primary 9031680s -1 I see this didn't work
    -bash: mkpart: command not found

    MyBookLiveDuo:~# e2fsck -f /dev/sda4
    e2fsck 1.41.12 (17-May-2010)
    Pass 1: Checking inodes, blocks, and sizes
    Pass 2: Checking directory structure
    Pass 3: Checking directory connectivity
    Pass 4: Checking reference counts
    Pass 5: Checking group summary information
    /dev/sda4: 60/30355200 files (1.7% non-contiguous), 152768/30452783 blocks
    MyBookLiveDuo:~# resize2fs -p /dev/sda4
    resize2fs 1.41.12 (17-May-2010)
    Resizing the filesystem on /dev/sda4 to 45714855 (64k) blocks.
    Begin pass 1 (max = 233)
    Extending the inode table XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
    The filesystem on /dev/sda4 is now 45714855 blocks long.

    MyBookLiveDuo:~# sync
    MyBookLiveDuo:~# reboot


    When finished

    MyBookLiveDuo:~# df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/md1 1.9G 565M 1.3G 31% /
    tmpfs 50M 0 50M 0% /lib/init/rw
    udev 10M 896K 9.2M 9% /dev
    tmpfs 50M 0 50M 0% /dev/shm
    tmpfs 50M 4.2M 46M 9% /tmp
    ramlog-tmpfs 20M 4.4M 16M 22% /var/log

    No /Dev/md3

    I will try again after I see that one missed commend
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    with no errors


    MyBookLiveDuo:~# df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/md1 1.9G 563M 1.3G 31% /
    tmpfs 50M 0 50M 0% /lib/init/rw
    udev 10M 960K 9.1M 10% /dev
    tmpfs 50M 0 50M 0% /dev/shm
    tmpfs 50M 4.1M 46M 9% /tmp
    ramlog-tmpfs 20M 5.3M 15M 27% /var/log
    /dev/md3 1.9T 2.1G 1.9T 1% /DataVolume
    MyBookLiveDuo:~# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 15.7MB 528MB 513MB linux-swap(v1) primary raid
    1 528MB 2576MB 2048MB ext3 primary raid
    2 2576MB 4624MB 2048MB ext3 primary raid
    4 4624MB 2000GB 1996GB ext4 primary raid

    (parted) unit s
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 5860533168s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 30720s 1032191s 1001472s linux-swap(v1) primary raid
    1 1032192s 5031935s 3999744s ext3 primary raid
    2 5031936s 9031679s 3999744s ext3 primary raid
    4 9031680s 3907028991s 3897997312s ext4 primary raid

    (parted) quit MyBookLiveDuo:/# /etc/init.d/mionet stop
    -bash: /etc/init.d/mionet: No such file or directory
    MyBookLiveDuo:/# /etc/init.d/twonky stop
    -bash: /etc/init.d/twonky: No such file or directory
    MyBookLiveDuo:/# /etc/init.d/itunes stop
    Stopping itunes server: forked-daapd.
    MyBookLiveDuo:/# umount /CacheVolume
    umount: /CacheVolume: device is busy
    umount: /CacheVolume: device is busy
    MyBookLiveDuo:/# umount /nfs
    MyBookLiveDuo:/# umount /shares
    umount: /shares: device is busy
    umount: /shares: device is busy
    MyBookLiveDuo:/# umount /DataVolume
    MyBookLiveDuo:/# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) unit s
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 5860533168s
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 30720s 1032191s 1001472s linux-swap(v1) primary raid
    1 1032192s 5031935s 3999744s ext3 primary raid
    2 5031936s 9031679s 3999744s ext3 primary raid
    4 9031680s 3907028991s 3897997312s ext4 primary raid

    (parted) rm 4
    Warning: WARNING: the kernel failed to re-read the partition table on /dev/sda
    (Device or resource busy). As a result, it may not reflect all of your changes
    until after reboot.
    (parted) mkpart primary 9031680s -1
    Warning: You requested a partition from 9031680s to 5860533167s.
    The closest location we can manage is 9031680s to 5860533134s.
    Is this still acceptable to you?
    Yes/No? yes
    Warning: WARNING: the kernel failed to re-read the partition table on /dev/sda
    (Device or resource busy). As a result, it may not reflect all of your changes
    until after reboot.
    (parted) quit
    Information: You may need to update /etc/fstab.

    MyBookLiveDuo:/# sync
    MyBookLiveDuo:/# reboot

    The system is going down for reboot NOW!o (pts/0) (Sat Feb 2 05:02:34 2013):
    MyBookLiveDuo:/# exit
    logout

    Logged back in

    MyBookLiveDuo:~# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 15.7MB 528MB 513MB linux-swap(v1) primary raid
    1 528MB 2576MB 2048MB ext3 primary raid
    2 2576MB 4624MB 2048MB ext3 primary raid
    4 4624MB 3001GB 2996GB ext4 primary

    Resize worked


    (parted) quit
    MyBookLiveDuo:~# /etc/init.d/mionet stop
    -bash: /etc/init.d/mionet: No such file or directory
    MyBookLiveDuo:~# /etc/init.d/twonky stop
    -bash: /etc/init.d/twonky: No such file or directory
    MyBookLiveDuo:~# /etc/init.d/itunes stop
    Stopping itunes server: forked-daapd.
    MyBookLiveDuo:~# umount /CacheVolume
    MyBookLiveDuo:~# umount /nfs
    umount: /nfs: not mounted
    MyBookLiveDuo:~# umount /shares
    umount: /shares: not mounted
    MyBookLiveDuo:~# umount /DataVolume
    umount: /DataVolume: not mounted
    MyBookLiveDuo:~# e2fsck -f /dev/sda4
    e2fsck 1.41.12 (17-May-2010)
    Pass 1: Checking inodes, blocks, and sizes
    Pass 2: Checking directory structure
    Pass 3: Checking directory connectivity
    Pass 4: Checking reference counts
    Pass 5: Checking group summary information
    /dev/sda4: 56/30355200 files (1.8% non-contiguous), 152765/30453101 blocks
    MyBookLiveDuo:~# resize2fs -p /dev/sda4
    resize2fs 1.41.12 (17-May-2010)
    Resizing the filesystem on /dev/sda4 to 45714855 (64k) blocks.
    Begin pass 1 (max = 233)
    Extending the inode table XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
    The filesystem on /dev/sda4 is now 45714855 blocks long.

    MyBookLiveDuo:~# sync
    MyBookLiveDuo:~# reboot

    Logged back in

    MyBookLiveDuo:~# df -h
    Filesystem Size Used Avail Use% Mounted on
    /dev/md1 1.9G 565M 1.3G 31% /
    tmpfs 50M 0 50M 0% /lib/init/rw
    udev 10M 896K 9.2M 9% /dev
    tmpfs 50M 0 50M 0% /dev/shm
    tmpfs 50M 4.0M 46M 8% /tmp
    ramlog-tmpfs 20M 5.0M 16M 25% /var/log

    Problem... No /dev/md3 ... /DataVolume

    MyBookLiveDuo:~# parted
    GNU Parted 2.2
    Using /dev/sda
    Welcome to GNU Parted! Type 'help' to view a list of commands.
    (parted) p
    Model: ATA WDC WD30EZRX-00D (scsi)
    Disk /dev/sda: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    3 15.7MB 528MB 513MB linux-swap(v1) primary raid
    1 528MB 2576MB 2048MB ext3 primary raid
    2 2576MB 4624MB 2048MB ext3 primary raid
    4 4624MB 3001GB 2996GB ext4 primary

    (parted) quit

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