Saturday Feb 07, 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.

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