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Wednesday, February 11, 2009
 
Mounting Windows' NTFS on [Open]Solaris x86/x64

The steps outlined in this blog post are derived from the Miscellaneous filesystem support for OpenSolaris on x86 web page. I just added few examples to illustrate the steps to mount a partition with NTFS filesystem that exists on the external hard drive (in this case, it is a Seagate FreeAgent external hard drive).

Step-by-Step instructions to mount NTFS filesystem on [Open]Solaris
  1. Install the packages : FSWpart and FSWfsmisc.

  2. Find the logical device name for the NTFS partition. -l option of the rmformat command lists all removable devices along with their device names.


    # rmformat -l
    Looking for devices...
    1. Logical Node: /dev/rdsk/c1t0d0p0
    Physical Node: /pci@0,0/pci-ide@1f,1/ide@1/sd@0,0
    Connected Device: MATSHITA UJDA750 DVD/CDRW 1.60
    Device Type: DVD Reader
    Bus: IDE
    Size:
    Label:
    Access permissions:
    2. Logical Node: /dev/rdsk/c2t0d0p0
    Physical Node: /pci@0,0/pci1179,1@1d,7/storage@1/disk@0,0
    Connected Device: Seagate FreeAgentDesktop 100F
    Device Type: Removable
    Bus: USB
    Size: 953.9 GB
    Label:
    Access permissions:


  3. Identify the NTFS partition on the external disk with the help of fdisk


    # fdisk /dev/rdsk/c2t0d0p0
    Total disk size is 60800 cylinders
    Cylinder size is 32130 (512 byte) blocks

    Cylinders
    Partition Status Type Start End Length %
    ========= ====== ============ ===== === ====== ===
    1 IFS: NTFS 0 60800 60801 100

    SELECT ONE OF THE FOLLOWING:
    1. Create a partition
    2. Specify the active partition
    3. Delete a partition
    4. Change between Solaris and Solaris2 Partition IDs
    5. Exit (update disk configuration and exit)
    6. Cancel (exit without updating disk configuration)
    Enter Selection: 6
    #

    In this example, partition #1 i.e., c2t0d0p1 has the NTFS filesystem.

  4. Mount the NTFS partition just like mounting an UFS filesystem using the mount command. Use the argument ntfs to the command line option -F. Since the filesystem was mounted in a slightly different way than the conventional way, use /usr/bin/xlsmounts to see the detailed mount table information.


    # mount -F ntfs /dev/dsk/c2t0d0p1 /mnt

    # /usr/bin/xlsmounts
    PHYSICAL DEVICE LOGICAL DEVICE FS PID ADDR Mounted on
    /dev/dsk/c2t0d0p1 /dev/dsk/c2t0d0p1 ntfs 6755 127.0.0.1:/ /mnt

    # ls /mnt
    expForSun.dmp MySQL5.1 RECYCLER
    medium-64-bit $RECYCLE.BIN System Volume Information

    Notice the 127.0.0.1:/ under ADDR column in the output of xlsmounts. NTFS mount uses userland NFSv2 server to access the filesystems on raw partitions. That is why the mount was shown as NFS client mounted from 127.0.0.1:/

  5. To unmount the NTFS filesystem, use /usr/bin/xumount. Solaris standard umount command unmounts the filesystem but does not terminate the background NFS server process.


    # /usr/bin/xumount /mnt

    - OR -

    # /usr/bin/xumount /dev/dsk/c2t0d0p1


Check the Miscellaneous filesystem support for OpenSolaris on x86 page and Moinak Ghosh's blog post Mount and Access NTFS and Ext2FS from Solaris x86 for the rest of the fine details.

(Originally posted on blogs.sun.com at:
http://blogs.sun.com/mandalika/entry/mounting_windows_ntfs_on_open
)
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