[CentOS] Re-mount a drive using its label name

[David Both]

"Hard" removal? What the heck is that!? ***ALWAYS*** umount a drive before 
removing it. Clearly you are experiencing the side effect of and are a good 
example for the bad things that can happen when one does not umount a drive 
before removing.



On 05/16/2014 02:30 PM, Mauricio Tavares wrote:
> On Fri, May 16, 2014 at 2:03 PM, Raghuv Adhepalli
> <raghuv.adhepalli at seagate.com> wrote:
>> @mark: I didn't umount the drive before removing. Was performing hard
>> removal.
>> I will try clearing the concerned UUID and see if that mounts the drive
>> back.
>>
>        As an alternative, I think you can change the UUID of a device.
>
>> Raghuv.
>>
>>
>> On Fri, May 16, 2014 at 11:59 AM, <m.roth at 5-cent.us> wrote:
>>
>>> Raghuv Adhepalli wrote:
>>> <snip>
>>>> @mark: This is my dmesg output,
>>>>
>>>> XFS (sdf): xfs_log_force: error 5 returned.
>>>> sd 0:0:9:0: [sdj] Synchronizing SCSI cache
>>>> sd 0:0:9:0: [sdj] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
>>>> mpt2sas0: removing handle(0x000e), sas_addr(0x4433221105000000)
>>>> XFS (sdf): xfs_log_force: error 5 returned.
>>> <snip
>>>>   sdj: unknown partition table
>>>> sd 0:0:10:0: [sdj] Attached SCSI disk
>>>> XFS (sdj): Filesystem has duplicate UUID
>>> <snip>
>>> This concerns me. As I asked, you *did* umount the drive before removing
>>> it? I would expect that to remove the UUID from /dev/disk/by-uuid; for
>>> some reason, it's clearly still there, and I think that's what's confusing
>>> the system.
>>>
>>>          mark
>>>
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