[ubuntu-uk] New hard drive errors
sfgreenwood at gmail.com
Sun Jun 19 07:54:12 UTC 2016
On 18 June 2016 at 21:53, Mark Fraser <mfraz74+ubuntu at gmail.com> wrote:
> > On 18 June 2016 at 16:21, Mark Fraser <mfraz74+ubuntu at gmail.com> wrote:
> > > Bought a new 3TB hard drive this week onto which I created a new GPT
> > > partition
> > > table and a 3TB ext4 partition. This completed successfully and I used
> > > rsync
> > > to copy some files onto it.
> > >
> > > The next day, I was unable to mount the drive and so I ran fsck on it.
> > > This
> > > failed pass 5: Checking group summary information with lots of block
> > > bitmap
> > > differences.
> > >
> > > I fixed these, but on running fsck a second time, these block
> > > were
> > > back.
> > >
> > > Now this drive is currently sat in an external USB tray so that I could
> > > copy
> > > files across before replacing the one in the computer. Are these errors
> > > due to
> > > it being on USB or is the drive faulty?
> > What did you use to create the partition? The only thing that I have
> > that works properly is gdisk.
> I'd originally used KDE Partition Manager, but tried again with gdisk.
> getting the Block bitmap differences: .
How is the disk mounted? If you're just using automount consider giving it
a dedicated mount point with a fixed directory (ie /mnt/disk or similar)
and telling mount what the filetype is. That said, I have seen this issue
exactly using rsync and wrongly formatted 3Tb drives in a fixed backplane
so I don't think it's the connectivity - but then again an external GPT
disk could indicate a bug. Maybe try partitioning and formatting,
disconnecting and reconnecting the drive and mounting it, which may show
issues in dmesg or syslog.
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