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Thread: Read-only pendrive

  1. #1
    Join Date
    Oct 2011
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    Read-only pendrive

    I have a maxell pendrive, and if I use it on Ubuntu, Icannot write on it. Its not a permission problem, I tried sudo nautilus, but it diidn't help still said it's read-only. The problem is that it's have two partitions, a secure, and the storage. I don't use any password, but the secure partition contains an exe, where you can set up a password. I think there is the problem. Reading is fine. On windows no such problems. Thanks for the help.

  2. #2
    Join Date
    Oct 2011
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    55

    Re: Read-only pendrive

    I also tried to open the exe with wine.

  3. #3
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    Oct 2011
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    55

    Re: Read-only pendrive

    If I try to set it 'read and write' it says: The permissions could not be changed. Sorry, could not change the permissions of "2011-06-24 20.13.56.jpg": Error setting permissions: Read-only file system

  4. #4
    Join Date
    Mar 2010
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    India
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    Distro
    Ubuntu 12.04 Precise Pangolin

    Re: Read-only pendrive

    While it is plugged in, run and post the outputs of:
    Code:
    mount
    sudo fdisk -l
    If you don't care about that 'security' software, you may try to reformat it with gparted or in windows.
    Varun
    Help others by marking threads as [SOLVED], if they are. (See how)
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    Am I not replying you? Perhaps this is why.

  5. #5
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    Oct 2011
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    Re: Read-only pendrive

    Mount:

    /dev/sda7 on / type ext4 (rw,errors=remount-ro,commit=0)
    proc on /proc type proc (rw,noexec,nosuid,nodev)
    sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
    fusectl on /sys/fs/fuse/connections type fusectl (rw)
    none on /sys/kernel/debug type debugfs (rw)
    none on /sys/kernel/security type securityfs (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)
    binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,noexec,nosuid,nodev)
    gvfs-fuse-daemon on /home/szeplaki/.gvfs type fuse.gvfs-fuse-daemon (rw,nosuid,nodev,user=szeplaki)
    /dev/sdc1 on /media/SECURE type vfat (ro,nosuid,nodev,uid=1000,gid=1000,shortname=mixed ,dmask=0077,utf8=1,showexec,flush,uhelper=udisks)
    /dev/sdb1 on /media/BENCE type vfat (rw,nosuid,nodev,uid=1000,gid=1000,shortname=mixed ,dmask=0077,utf8=1,showexec,flush,uhelper=udisks)

  6. #6
    Join Date
    Oct 2011
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    55

    Re: Read-only pendrive

    fdisk -l:

    Disk /dev/sda: 203.9 GB, 203928109056 bytes
    255 heads, 63 sectors/track, 24792 cylinders, total 398297088 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: 0xba346776

    Device Boot Start End Blocks Id System
    /dev/sda1 * 63 300674990 150337464 7 HPFS/NTFS/exFAT
    /dev/sda2 300675070 398295039 48809985 5 Extended
    /dev/sda5 394106880 398295039 2094080 82 Linux swap / Solaris
    /dev/sda6 389916672 394106879 2095104 82 Linux swap / Solaris
    /dev/sda7 300675072 385724415 42524672 83 Linux
    /dev/sda8 385726464 389914623 2094080 82 Linux swap / Solaris

    Partition table entries are not in disk order

    Disk /dev/sdb: 3951 MB, 3951034368 bytes
    5 heads, 32 sectors/track, 48230 cylinders, total 7716864 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: 0xd838fc90

    Device Boot Start End Blocks Id System
    /dev/sdb1 8064 7716863 3854400 b W95 FAT32

    Disk /dev/sdc: 2 MB, 2097152 bytes
    2 heads, 32 sectors/track, 64 cylinders, total 4096 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/sdc1 32 4095 2032 1 FAT12

  7. #7
    Join Date
    Oct 2011
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    55

    Re: Read-only pendrive

    I'm naot sure, but I think i tried to format it with Gparted arount October, since it is a problem for a long time ago, But I will give it a try once again.

  8. #8
    Join Date
    Oct 2011
    Beans
    55

    Re: Read-only pendrive

    I formatted the whole pendrive, but the secure partition is not just a partition, it's another flashdisk. I could't apply the format operation, because it was read-only even for the Gparted LiveCD. But the storage area wasn't, so I farmatted it, and now Ubuntu can use it too, not just the windows... I don't know what happened, the filesystem is the same as before, but thank you for the help, it is solved!

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