Re: [gentoo-user] Re: swaps mounted randomly [not out of the woods yet]

[n952162]

On 2020-03-19 19:43, Michael wrote:
> On Thursday, 19 March 2020 18:32:12 GMT n952162 wrote:
>> On 2020-03-19 19:04, Michael wrote:
>>> On Thursday, 19 March 2020 17:03:15 GMT Ian Zimmerman wrote:
>>>> On 2020-03-19 10:59, n952162 wrote:
>>>>> I changed the UUID of all the partitions of the second drive and now
>>>>> all my devices are linked to in /dev/disk/by-uuid. I still have
>>>>> no/dev/disk/by-label, though. Also, my swap file on a mounted drive
>>>>> wasn't mounted, which was my original problem ;-(
>>>> Do they in fact have labels?  Just checking.
>>>>
>>>> Also, you're not not clear if your _partition_ still isn't getting
>>>> mounted, or just the swap file not getting activated.
>>>>
>>>> For a problem like this, there _has_ to be something in the log.
>>> We're using the term 'partition' here, but to avoid confusion, we have GPT
>>> partition table UUIDs (PARTUUID) and we have filesystem UUIDs (UUID).
>>>
>>> Similarly, we also have filesystem labels and GPT partition labels.
>>>
>>> Therefore it helps if there is consistency in the IDs being used to mount
>>> partitions.
>> I used   the UUID column of blkid(8) on the fstab entry, with UUID=.  If
>> that is the partition UUID, where, how, and wherefore are filesystem UUIDs?
> lsblk -o +PARTUUID,UUID
>
> will show both, but blkid also print filesystem UUID and partition table
> PARTUUID.


Okay, then I got it backwards: both blkid(8)'s UUID and /etc/fstab's
UUID are the filesystem UUID.  What is the partition UUID used for?