On Thu, Feb 6, 2014 at 4:08 PM, Mohan Sundaram <[email protected]> wrote: > H/W - Dell Mini with a ATA 320GB HDD > O/s - Ubuntu 13.10 > > Output of mount > ------------------------------------------------------------------------------ > root@Mohan-Mini:~# mount > /dev/sda2 on / type ext4 (rw,errors=remount-ro) > proc on /proc type proc (rw,noexec,nosuid,nodev) > sysfs on /sys type sysfs (rw,noexec,nosuid,nodev) > none on /sys/fs/cgroup type tmpfs (rw) > none 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) > none on /run/user type tmpfs (rw,noexec,nosuid,nodev,size=104857600,mode=0755) > none on /sys/fs/pstore type pstore (rw) > /dev/sda3 on /home type ext4 (rw) > systemd on /sys/fs/cgroup/systemd type cgroup > (rw,noexec,nosuid,nodev,none,name=systemd) > gvfsd-fuse on /run/user/1000/gvfs type fuse.gvfsd-fuse > (rw,nosuid,nodev,user=smohan) > ------------------------------------------------------------------------------------------------------------ > root@Mohan-Mini:~# cat /proc/mounts > ============================================= > rootfs / rootfs rw 0 0 > sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 > proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 > udev /dev devtmpfs rw,relatime,size=1018320k,nr_inodes=215847,mode=755 0 0 > devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 > 0 0 > tmpfs /run tmpfs rw,nosuid,noexec,relatime,size=205420k,mode=755 0 0 > /dev/disk/by-uuid/5fca1fa6-3f46-4eb8-9242-dd446b368f0c / ext4 > rw,relatime,errors=remount-ro,data=ordered 0 0 > none /sys/fs/cgroup tmpfs rw,relatime,size=4k,mode=755 0 0 > none /sys/fs/fuse/connections fusectl rw,relatime 0 0 > none /sys/kernel/debug debugfs rw,relatime 0 0 > none /sys/kernel/security securityfs rw,relatime 0 0 > none /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k 0 0 > none /run/shm tmpfs rw,nosuid,nodev,relatime 0 0 > none /run/user tmpfs rw,nosuid,nodev,noexec,relatime,size=102400k,mode=755 0 0 > none /sys/fs/pstore pstore rw,relatime 0 0 > /dev/sda3 /home ext4 ro,relatime,data=ordered 0 0 > systemd /sys/fs/cgroup/systemd cgroup > rw,nosuid,nodev,noexec,relatime,name=systemd 0 0 > gvfsd-fuse /run/user/1000/gvfs fuse.gvfsd-fuse > rw,nosuid,nodev,relatime,user_id=1000,group_id=1000 0 0 > ========================================================== > > When I boot, the /dev/sda3 mounted on /home shows rw but turns to ro > pretty soon. Any write operation says har ddisk is write-protected. > Remount option cannot be used as it is RO. > > Does anyone have any pointers? I have run badblocks in write mode and > reinstalled files in sda3. Still this problem occurs. > -- Mohan Sundaram
Look at /etc/fstab. What is under options. if errors=remount ro then it means there is some error while reading/writing and kernel remounts it in read only mode. Check messages for any disk seek/read/write error in log. Raman.P blog:http://ramanchennai.wordpress.com/ _______________________________________________ ILUGC Mailing List: http://www.ae.iitm.ac.in/mailman/listinfo/ilugc ILUGC Mailing List Guidelines: http://ilugc.in/mailinglist-guidelines
