[PLUG] Checking external hard drive

[Vince Winter]

They are sharing mount points.

/media/hd0

Rather /dev/sbd or /dev/sdc

If you mount more then one thing to the same location, only the last thing
mounted there is accessible.

----

On the errors, maybe related. External hard drives running over USB,  I
have gotcha a false positive of one bad sector.

On Nov 20, 2017 11:31 AM, "Rich Shepard" <rshepard at appl-ecosys.com> wrote:

> On Mon, 20 Nov 2017, Bill Weiss wrote:
>
> You've got /dev/sdb and /dev/sdc mounted on top of each other. df sees
>> /dev/sdc because it's the one on top :) If you umount it you'll get
>> /dev/sdb. It happens.
>>
>
> Bill,
>
>   I'm not sure I understand. While /etc/fstab will mount /dev/sdb (a
> different external hard drive not now connected to the system) on /mnt/hd,
> /etc/fstab shows the backup external hard drive mounting on /media/hd0. If
> the backup drive is seen as /dev/sdc how is it mounting on top of /dev/sdb?
>
>   What do you recommend for a solution?
>
> I feel like the ext4 driver contains the ext3 and ext2 logic these days? I
>> found https://ext4.wiki.kernel.org/index.php/UpgradeToExt4 which says
>> "Note: The ext3 driver will be removed from the kernel in 4.3. The ext4
>> driver will mount ext3 volumes while maintaining ext3 disk format
>> compatibility." So, if you're on a new kernel, there you go.
>>
>
>   Ah, so. Yes, I'm running kernel 4.4.88 on this ext3 system. When I can
> get
> these residual issues resolved I'll finish building the replacement server
> which will use ext4 and 64-bit words.
>
> Thanks,
>
> Rich
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