[ydl-gen] FileSystem Remount Readonly Issue - Help Please

[ghannon at cspi.com]

Dene,

Try, as root:

    mount -t ext3 -o ro /dev/sdb5 /home/Lnx_CAD2

***
Before doing anything, even the mount, you may want to
move what's currently there to somewhere else
so you can take more than one shot at it,

     dd  if=/dev/sdb5 of="somewhere_else"  bs=512 count=?

You must determine the count based on how big the
sdb5 device is.   You must have someplace big enough
to store the binary information.   It may not be possible.

Then if one recovery effort fails you can copy it back
and try again another way.  Same command just reverse
the input and output files (if/of).


I have no idea how to recover files that have been
deleted.

Good Luck,

Gary Hannon







Dene Stringfellow <support at ridgedale.co.uk> on 07/14/2009 06:46:56 AM

Please respond to Discussion List for Yellow Dog Linux User Topics
      <yellowdog-general at lists.fixstars.com>

To:   yellowdog-general at lists.fixstars.com
cc:    (bcc: Gary Hannon/CSP)
Subject:  Re: [ydl-gen] FileSystem Remount Readonly Issue - Help Please




Can anyone please help? A user has just inadvertently deleted a folder
of work from an SMB share stored on an ext3 partition on a YDL 3.0
system running on an Apple G3 B&W tower. I have just unmounted the
partition with a view to remounting the partition as readonly in an
effort to try to recover the data, as I found the overnight backup
failed last night!

However when I try any of the following mount commands:

    mount -o ro,remount /home/Lnx_CAD2

    mount -o remount,ro /home/Lnx_CAD2

    mount -t ext3 -o remount,ro /dev/sdb5 /home/Lnx_CAD2

    mount -o remount,ro /dev/sdb5

    mount -o remount,ro -t ext3 /dev/sdb5 /home/Lnx_CAD2

I get the following error:

    mount: /home/Lnx_CAD2 not mounted already, or bad option

Any assistance would be greatly appreciated.

Regards

Dene
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