Root Partition Mounted Read-Only after Cloning

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I have made a clone of a webserver system disk (Debian 8) using Clonezilla. On booting I got this error:



No OS Found


All the files seemed fine and the problem turned out to be the MBR. The disk originally had a different distro on it. Although Clonezilla reported that it had copied the MBR over, the old MBR remained. I replaced the MBR using Debian Rescue and the system booted but the root partition mounts readonly. The fstab mount option is errors=remount-ro, fsck reports the partition as Clean.



This then causes randon-seed and UTMP failures.



Where should I be looking for the error?




debian mount




share|improve this question






















  • No fsck errors, all mountpoints there? Can you add more technical details?
    – Rui F Ribeiro
    Mar 15 at 12:43











  • Have you tried mount -o remount,rw /dev/sda / (assuming root is on /dev/sda...)
    – Helio
    Mar 15 at 14:18










  • Already done that but it doesn't fix anything in the boot process, still mounts ro
    – Sabreur
    Mar 16 at 9:04










  • What details would you like. @RuiFRibeiro
    – Sabreur
    Mar 16 at 9:09














up vote
0
down vote

favorite












I have made a clone of a webserver system disk (Debian 8) using Clonezilla. On booting I got this error:



No OS Found


All the files seemed fine and the problem turned out to be the MBR. The disk originally had a different distro on it. Although Clonezilla reported that it had copied the MBR over, the old MBR remained. I replaced the MBR using Debian Rescue and the system booted but the root partition mounts readonly. The fstab mount option is errors=remount-ro, fsck reports the partition as Clean.



This then causes randon-seed and UTMP failures.



Where should I be looking for the error?




debian mount




share|improve this question






















  • No fsck errors, all mountpoints there? Can you add more technical details?
    – Rui F Ribeiro
    Mar 15 at 12:43











  • Have you tried mount -o remount,rw /dev/sda / (assuming root is on /dev/sda...)
    – Helio
    Mar 15 at 14:18










  • Already done that but it doesn't fix anything in the boot process, still mounts ro
    – Sabreur
    Mar 16 at 9:04










  • What details would you like. @RuiFRibeiro
    – Sabreur
    Mar 16 at 9:09












up vote
0
down vote

favorite









up vote
0
down vote

favorite











I have made a clone of a webserver system disk (Debian 8) using Clonezilla. On booting I got this error:



No OS Found


All the files seemed fine and the problem turned out to be the MBR. The disk originally had a different distro on it. Although Clonezilla reported that it had copied the MBR over, the old MBR remained. I replaced the MBR using Debian Rescue and the system booted but the root partition mounts readonly. The fstab mount option is errors=remount-ro, fsck reports the partition as Clean.



This then causes randon-seed and UTMP failures.



Where should I be looking for the error?




debian mount




share|improve this question














I have made a clone of a webserver system disk (Debian 8) using Clonezilla. On booting I got this error:



No OS Found


All the files seemed fine and the problem turned out to be the MBR. The disk originally had a different distro on it. Although Clonezilla reported that it had copied the MBR over, the old MBR remained. I replaced the MBR using Debian Rescue and the system booted but the root partition mounts readonly. The fstab mount option is errors=remount-ro, fsck reports the partition as Clean.



This then causes randon-seed and UTMP failures.



Where should I be looking for the error?





debian mount





share|improve this question













share|improve this question




share|improve this question








edited Mar 15 at 13:30









galoget

36319




36319










asked Mar 15 at 12:04









Sabreur

11




11











  • No fsck errors, all mountpoints there? Can you add more technical details?
    – Rui F Ribeiro
    Mar 15 at 12:43











  • Have you tried mount -o remount,rw /dev/sda / (assuming root is on /dev/sda...)
    – Helio
    Mar 15 at 14:18










  • Already done that but it doesn't fix anything in the boot process, still mounts ro
    – Sabreur
    Mar 16 at 9:04










  • What details would you like. @RuiFRibeiro
    – Sabreur
    Mar 16 at 9:09
















  • No fsck errors, all mountpoints there? Can you add more technical details?
    – Rui F Ribeiro
    Mar 15 at 12:43











  • Have you tried mount -o remount,rw /dev/sda / (assuming root is on /dev/sda...)
    – Helio
    Mar 15 at 14:18










  • Already done that but it doesn't fix anything in the boot process, still mounts ro
    – Sabreur
    Mar 16 at 9:04










  • What details would you like. @RuiFRibeiro
    – Sabreur
    Mar 16 at 9:09















No fsck errors, all mountpoints there? Can you add more technical details?
– Rui F Ribeiro
Mar 15 at 12:43





No fsck errors, all mountpoints there? Can you add more technical details?
– Rui F Ribeiro
Mar 15 at 12:43













Have you tried mount -o remount,rw /dev/sda / (assuming root is on /dev/sda...)
– Helio
Mar 15 at 14:18




Have you tried mount -o remount,rw /dev/sda / (assuming root is on /dev/sda...)
– Helio
Mar 15 at 14:18












Already done that but it doesn't fix anything in the boot process, still mounts ro
– Sabreur
Mar 16 at 9:04




Already done that but it doesn't fix anything in the boot process, still mounts ro
– Sabreur
Mar 16 at 9:04












What details would you like. @RuiFRibeiro
– Sabreur
Mar 16 at 9:09




What details would you like. @RuiFRibeiro
– Sabreur
Mar 16 at 9:09










1 Answer
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Check your /etc/fstab, it often contains UUID's. There's a program called blkid which allows you to retrieve those of partitions of the clone.






share|improve this answer






















  • Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
    – Sabreur
    Mar 16 at 9:07










  • I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
    – Gerard H. Pille
    Mar 16 at 9:33










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active

oldest

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up vote
0
down vote













Check your /etc/fstab, it often contains UUID's. There's a program called blkid which allows you to retrieve those of partitions of the clone.






share|improve this answer






















  • Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
    – Sabreur
    Mar 16 at 9:07










  • I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
    – Gerard H. Pille
    Mar 16 at 9:33














up vote
0
down vote













Check your /etc/fstab, it often contains UUID's. There's a program called blkid which allows you to retrieve those of partitions of the clone.






share|improve this answer






















  • Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
    – Sabreur
    Mar 16 at 9:07










  • I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
    – Gerard H. Pille
    Mar 16 at 9:33












up vote
0
down vote










up vote
0
down vote









Check your /etc/fstab, it often contains UUID's. There's a program called blkid which allows you to retrieve those of partitions of the clone.






share|improve this answer














Check your /etc/fstab, it often contains UUID's. There's a program called blkid which allows you to retrieve those of partitions of the clone.







share|improve this answer














share|improve this answer



share|improve this answer








edited Mar 15 at 13:31









galoget

36319




36319










answered Mar 15 at 12:09









Gerard H. Pille

1,169212




1,169212











  • Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
    – Sabreur
    Mar 16 at 9:07










  • I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
    – Gerard H. Pille
    Mar 16 at 9:33
















  • Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
    – Sabreur
    Mar 16 at 9:07










  • I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
    – Gerard H. Pille
    Mar 16 at 9:33















Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
– Sabreur
Mar 16 at 9:07




Clonezilla made a dogs dinner of the UUID translation, it translated the root uuid ok but left the swap uuid from the source drive, I corrected it manually after a 'remount-ro
– Sabreur
Mar 16 at 9:07












I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
– Gerard H. Pille
Mar 16 at 9:33




I've never managed to get the UUID's working, perhaps because I always compile my own kernel. I always replace them in my /etc/fstab by the old "/dev/sdx". And I lived happily ever after.
– Gerard H. Pille
Mar 16 at 9:33












 

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