We do have the original disk. Just making sure before we do this: does it matter that it is an xfs system?
Many thanks,
Ranjan
On Sat, 22 Sep 2018 14:09:02 -0500 Roger Heflin <rogerheflin@xxxxxxxxx> wrote:
> If you have the original disk and can mount the filesystem then do this:
>
> create a script like this and call it say /dir/testcatfile:
> cat $1 > /dev/null
> RC=$?
> if [ ${RC} != 0 ] ; then
> echo "$1 is corrupt"
> fi
>
> chmod +x /dir/testcatfile
>
> Then do this:
> find /tmp -type f -exec /dir/testcatfile {} \;
>
> each file it gets an io error on will print out a message.
>
> This only works if you still have the original and can mount it as it
> relies on the disk returning io errors on the original disk.
>
> On Sat, Sep 22, 2018 at 9:20 AM Tony Nelson
> <tonynelson@xxxxxxxxxxxxxxxxx> wrote:
> >
> > On 18-09-22 00:44:17, Ranjan Maitra wrote:
> > ...
> > > Is this the right thing to do?
> >
> > Probably. I expect the affected files to contain NULs, which you could
> > search for. Then you'd know that you have the correct files and where
> > the damage is.
> >
> > --
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