Mailinglist Archive: opensuse-factory (279 mails)

[Sid Boyce <sboyce@xxxxxxxxxxxxxxxx>]

Carlos E. R. wrote:
> On Monday, 2009-03-09 at 23:26 -0400, Greg Freemyer wrote:
>
> > > dd if=/dev/sda of=/dev/sdc bs=1G conv=noerror
>
> > Please note, never use noerror without also using sync.
>
> Why? I'm curious. I can make a guess, but I'm not sure, it is not
> mentioned in the manual:
>
>        noerror
>               continue after read errors
>
>        sync   pad every input block with NULs to ibs-size; when used
>               with block or unblock, pad with spaces rather than NULs
>
> Do you mean, that without "sync", the output would just skip the
> remaining bytes of a block after an error, meaning the output would
> simply be "smaller", with pieces missing?
>
> Because, as Sid did an 'xfs_repair' on the result, it means either there
> was no error, or that the gaps were filled :-?
>
>
>
> -- Cheers,
>        Carlos E. R.

May be sync would have fixed the errors, however "xfs_repair -L
/dev/sdc1" needed to be run to remove the old journal and clean up the
errors.
Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

-- 
To unsubscribe, e-mail: opensuse-factory+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse-factory+help@xxxxxxxxxxxx