[ubuntu-za] Problems with fstab

Wesley Werner wesley.werner at gmail.com
Mon Jun 15 00:16:48 UTC 2020


Hi Bill

You said the boot drive is sda1, but your SSD disk lists as sdb2
(UUID=2e740efb). Perhaps the BIOS is booting the wrong drive?

--
Regards
Wesley Werner


On Mon, Jun 15, 2020 at 1:03 AM Bill Cairns <cairnsww at gmail.com> wrote:

> I tried looking at the drive before mounting it as /home and this is what
> it looks like with mount -v (I asked nautilus to mount the '960 Gb drive')
> /dev/sda6 on /media/bill/b7092661-c008-4beb-9cdc-06c3dd036181 type ext4
> (rw,nosuid,nodev,relatime,uhelper=udisks2)
>
> I can access it quite happily that way too.
>
> On Sun, 14 Jun 2020 at 16:19, Bill Cairns <cairnsww at gmail.com> wrote:
>
>> Thanks for your reply Paolo. I confess that I am not quite sure what I
>> should be looking for. The mount -v gives me:
>> /dev/sda6 on /home type ext4 (rw,relatime)
>> While /proc/mounts has
>> /dev/sda6 /home ext4 rw,relatime 0 0
>>
>> That would seem the same, but I am not sure I am looking at the right
>> things.
>>
>> This is the ssd with the OS from mount -v:
>> /dev/sdb2 on / type ext4 (rw,noatime,errors=remount-ro)
>> and from /proc/mounts:
>> /dev/sdb2 / ext4 rw,noatime,errors=remount-ro 0 0
>>
>>
>> On Sat, 13 Jun 2020 at 22:34, Paolo Gigante <paolo.gigante.sa at gmail.com>
>> wrote:
>>
>>> Not that it should cause a crash but are you sure its an ext4 filesystem
>>> on that device?
>>> If the mount command works, you may want to try 'mount -v' to see what
>>> mount is actually doing. Once you have used the mount command to attach the
>>> FS, does the entry look like in /proc/mounts
>>>
>>> On Sat, Jun 13, 2020 at 2:38 PM Bill Cairns <cairnsww at gmail.com> wrote:
>>>
>>>> Boot is on the hard drive - sda1
>>>>
>>>>
>>>> On Sat, 13 Jun 2020 at 15:30, Frans de waal <meesterarend at gmail.com>
>>>> wrote:
>>>>
>>>>> Just a thought... What is the boot drive in the bios?
>>>>>
>>>>> On Sat, 13 Jun 2020 at 15:10, Bill Cairns <cairnsww at gmail.com> wrote:
>>>>>
>>>>>> Hello everybody,
>>>>>>
>>>>>> I am trying to run 20.04 with my OS on an SSD device and my home
>>>>>> directory on my old hard drive.
>>>>>>
>>>>>> This mount command works perfectly:
>>>>>> sudo mount UUID=b7092661-c008-4beb-9cdc-06c3dd036181 /home
>>>>>>
>>>>>> However, when I try to do the same thing in fstab -
>>>>>> # /etc/fstab: static file system information.
>>>>>> #
>>>>>> # Use 'blkid' to print the universally unique identifier for a
>>>>>> # device; this may be used with UUID= as a more robust way to name
>>>>>> devices
>>>>>> # that works even if disks are added and removed. See fstab(5).
>>>>>> #
>>>>>> # <file system> <mount point>   <type>  <options>       <dump>  <pass>
>>>>>> # / was on /dev/sdb2 during installation
>>>>>> UUID=2e740efb-b15b-4bea-9ef8-a20dd7a87186 /         ext4
>>>>>>  noatime,errors=remount-ro 0       1
>>>>>> # swap was on /dev/sda5 during installation
>>>>>> UUID=1c5e43a0-097c-4d68-90df-e544497323dd none            swap    sw
>>>>>>              0       0
>>>>>> #
>>>>>> # Home is on sda6. Added 2020-06-13
>>>>>> #
>>>>>> UUID=b7092661-c008-4beb-9cdc-06c3dd036181 /home ext4
>>>>>> nodev,nosuid,relatime  0  2
>>>>>>
>>>>>> The system crashes rather badly and says 'You are now in emergency
>>>>>> mode' or something equivalent. (And I have no idea how to do anything in
>>>>>> emergency mode!)
>>>>>>
>>>>>> I have used the example in https://help.ubuntu.com/community/Fstab
>>>>>> (changing the UUID of course).
>>>>>>
>>>>>> I am sure that I am missing something very simple. Can anyone help
>>>>>> please?
>>>>>>
>>>>>> Thanks, keep safe,
>>>>>>
>>>>>> Bill
>>>>>>
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>>>>>>
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