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Fstab Problem

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  Fstab Problem "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2017-02-19 13:40 +0100
    Re: Fstab Problem Hans <hans.ullrich@loop.de> - 2017-02-19 13:50 +0100
    Re: Fstab Problem Andy Smith <andy@strugglers.net> - 2017-02-19 13:50 +0100
      Re: Fstab Problem "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2017-02-19 14:20 +0100
    Re: Fstab Problem Frank <zuiderduin@gmx.com> - 2017-02-19 14:00 +0100
    Re: Fstab Problem Jimmy Johnson <field.engineer@gmail.com> - 2017-02-19 19:50 +0100
      Re: Fstab Problem "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2017-02-19 23:50 +0100

#177992 — Fstab Problem

This will probably turn out to be a forehead slapping red faced problem, 
but this used to work.

I Had a Debian v-8.x catastrophe and had to reinstall.  I have several 
hard drives on the computer and, of course the installer only found 
/dev/sda.

Here are the results of blkid:

comp@AbNormal:~$ sudo blkid
[sudo] password for comp:
/dev/sdb1: UUID="d65867da-c658-4e35-928c-9dd2d6dd5742" TYPE="ext4" 
PARTUUID="0003d403-01"
/dev/sdb2: UUID="007c1f16-34a4-438c-9d15-e3df601649ba" TYPE="ext4" 
PARTUUID="0003d403-02"
/dev/sda1: UUID="3a2e7e1d-3365-447b-85c5-f454a2f0b446" TYPE="ext4" 
PARTUUID="cdf775c6-01"
/dev/sda5: UUID="92727ce9-2cff-40f5-b6d0-e9580afdeef3" TYPE="swap" 
PARTUUID="cdf775c6-05"

I edited 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/sda1 during installation
UUID=3a2e7e1d-3365-447b-85c5-f454a2f0b446 /               ext4 
errors=remount-ro 0       1
# swap was on /dev/sda5 during installation
UUID=92727ce9-2cff-40f5-b6d0-e9580afdeef3 none            swap    sw 
           0       0
/dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0

#UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4 
errors=remount-ro  0  1
#UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4 
errors=remount-ro  0  1

The problem is, that when I reboot the system it doesn't like the new 
fstab entries and halts.  It's easy to fix in recovery mode by 
commenting out the new lines, but that doesn't solve the problem.

My computer log doesn't record what actions I might had to take to get 
this to work the last time it. happened.

What have I missed?

Thanks in advance.
-- 
Stephen P. Molnar, Ph.D.		Life is a fuzzy set
www.molecular-modeling.net		Stochastic and multivariate
(614)312-7528 (c)
Skype: smolnar1

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#177993

Am Sonntag, 19. Februar 2017, 07:37:50 CET schrieb Stephen P. Molnar:
Hi Stepehen,
did you try, to enter just the devices (like /dev/sda1, dev/sdb1 etc.) instead 
of using UUID?

If that is working, try to add the UUID later.
Asd far as I know, there is also a kernel parameter, which inhibits to check 
for UUIDs. I blieve, it is nouuid, but I am not sure.

I would think in that direction, maybe the UUIDs are wrong.

Good luck!

Hans

> This will probably turn out to be a forehead slapping red faced problem,
> but this used to work.
> 
> I Had a Debian v-8.x catastrophe and had to reinstall.  I have several
> hard drives on the computer and, of course the installer only found
> /dev/sda.
> 
> Here are the results of blkid:
> 
> comp@AbNormal:~$ sudo blkid
> [sudo] password for comp:
> /dev/sdb1: UUID="d65867da-c658-4e35-928c-9dd2d6dd5742" TYPE="ext4"
> PARTUUID="0003d403-01"
> /dev/sdb2: UUID="007c1f16-34a4-438c-9d15-e3df601649ba" TYPE="ext4"
> PARTUUID="0003d403-02"
> /dev/sda1: UUID="3a2e7e1d-3365-447b-85c5-f454a2f0b446" TYPE="ext4"
> PARTUUID="cdf775c6-01"
> /dev/sda5: UUID="92727ce9-2cff-40f5-b6d0-e9580afdeef3" TYPE="swap"
> PARTUUID="cdf775c6-05"
> 
> I edited 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/sda1 during installation
> UUID=3a2e7e1d-3365-447b-85c5-f454a2f0b446 /               ext4
> errors=remount-ro 0       1
> # swap was on /dev/sda5 during installation
> UUID=92727ce9-2cff-40f5-b6d0-e9580afdeef3 none            swap    sw
>            0       0
> /dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0
> 
> #UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4
> errors=remount-ro  0  1
> #UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4
> errors=remount-ro  0  1
> 
> The problem is, that when I reboot the system it doesn't like the new
> fstab entries and halts.  It's easy to fix in recovery mode by
> commenting out the new lines, but that doesn't solve the problem.
> 
> My computer log doesn't record what actions I might had to take to get
> this to work the last time it. happened.
> 
> What have I missed?
> 
> Thanks in advance.

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#177994

Hi Stephen,

On Sun, Feb 19, 2017 at 07:37:50AM -0500, Stephen P. Molnar wrote:
> # <file system> <mount point>   <type>  <options>       <dump>  <pass>

[…]

> #UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4
> errors=remount-ro  0  1
> #UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4
> errors=remount-ro  0  1

You've put the device path (e.g. /dev/sdb2) in the second column
instead of the mount point. Since you've specified UUID you don't
need to specify device path.

Cheers,
Andy

-- 
https://bitfolk.com/ -- No-nonsense VPS hosting

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#177997

On 02/19/2017 07:43 AM, Andy Smith wrote:
> Hi Stephen,
>
> On Sun, Feb 19, 2017 at 07:37:50AM -0500, Stephen P. Molnar wrote:
>> # <file system> <mount point>   <type>  <options>       <dump>  <pass>
>
> […]
>
>> #UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4
>> errors=remount-ro  0  1
>> #UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4
>> errors=remount-ro  0  1
>
> You've put the device path (e.g. /dev/sdb2) in the second column
> instead of the mount point. Since you've specified UUID you don't
> need to specify device path.
>
> Cheers,
> Andy
>
That solved the problem.

Many thanks.

-- 
Stephen P. Molnar, Ph.D.		Life is a fuzzy set
www.molecular-modeling.net		Stochastic and multivariate
(614)312-7528 (c)
Skype: smolnar1

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#177995

Op 19-02-17 om 13:37 schreef Stephen P. Molnar:
> #UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4
> errors=remount-ro  0  1
> #UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4
> errors=remount-ro  0  1
>
> The problem is, that when I reboot the system it doesn't like the new
> fstab entries and halts.  It's easy to fix in recovery mode by
> commenting out the new lines, but that doesn't solve the problem.

Somehow I don't think you can use the device name as mountpoiint (i.e. 
you're mounting /dev/sdb1 on /dev/sdb1...).

Also, the sixth field of fstab lines is only supposed to be 1 for the 
root filesystem. Others should have 2 (or 0 if you don't want the check 
to run at all).

Regards,
Frank

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#178003

On 02/19/2017 04:37 AM, Stephen P. Molnar wrote:
> This will probably turn out to be a forehead slapping red faced problem,
> but this used to work.
>
> I Had a Debian v-8.x catastrophe and had to reinstall.  I have several
> hard drives on the computer and, of course the installer only found
> /dev/sda.
>
> Here are the results of blkid:
>
> comp@AbNormal:~$ sudo blkid
> [sudo] password for comp:
> /dev/sdb1: UUID="d65867da-c658-4e35-928c-9dd2d6dd5742" TYPE="ext4"
> PARTUUID="0003d403-01"
> /dev/sdb2: UUID="007c1f16-34a4-438c-9d15-e3df601649ba" TYPE="ext4"
> PARTUUID="0003d403-02"
> /dev/sda1: UUID="3a2e7e1d-3365-447b-85c5-f454a2f0b446" TYPE="ext4"
> PARTUUID="cdf775c6-01"
> /dev/sda5: UUID="92727ce9-2cff-40f5-b6d0-e9580afdeef3" TYPE="swap"
> PARTUUID="cdf775c6-05"
>
> I edited 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/sda1 during installation
> UUID=3a2e7e1d-3365-447b-85c5-f454a2f0b446 /               ext4
> errors=remount-ro 0       1
> # swap was on /dev/sda5 during installation
> UUID=92727ce9-2cff-40f5-b6d0-e9580afdeef3 none            swap    sw
>           0       0
> /dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0
>
> #UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4
> errors=remount-ro  0  1
> #UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4
> errors=remount-ro  0  1

I multi-boot and I like to keep things simple, including grub, I like a 
neat menu.lst and fstab too and I always keep these things backed up 
while installing a new system, this is the way I would do your fstab so 
I can edit sdb1 and sdb2, note no auto mount on sdb1 and sdb2, but you 
can now read and write.

/dev/sda1 / ext4 errors=remount-ro 0 1
/dev/sda5 none swap sw 0 0
/dev/sdb1 /mnt/sdb1 ext4 noauto,users,exec,relatime 0 0
/dev/sdb2 /mnt/sdb2 ext4 noauto,users,exec,relatime 0 0
/dev/sr0 /media/cdrom udf,iso9660 noauto,users 0 0

If you use the above you will need to make two folders in /mnt named 
sdb1 and sdb2

> What have I missed?

I don't think you missed anything, just didn't know what you where doing. :)

> Thanks in advance.

regard,
-- 
Jimmy Johnson

Debian Sid/Testing - Plasma 5.8.4 - EXT4 at sda15
Registered Linux User #380263

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#178008

On 02/19/2017 01:39 PM, Jimmy Johnson wrote:
> On 02/19/2017 04:37 AM, Stephen P. Molnar wrote:
>> This will probably turn out to be a forehead slapping red faced problem,
>> but this used to work.
>>
>> I Had a Debian v-8.x catastrophe and had to reinstall.  I have several
>> hard drives on the computer and, of course the installer only found
>> /dev/sda.
>>
>> Here are the results of blkid:
>>
>> comp@AbNormal:~$ sudo blkid
>> [sudo] password for comp:
>> /dev/sdb1: UUID="d65867da-c658-4e35-928c-9dd2d6dd5742" TYPE="ext4"
>> PARTUUID="0003d403-01"
>> /dev/sdb2: UUID="007c1f16-34a4-438c-9d15-e3df601649ba" TYPE="ext4"
>> PARTUUID="0003d403-02"
>> /dev/sda1: UUID="3a2e7e1d-3365-447b-85c5-f454a2f0b446" TYPE="ext4"
>> PARTUUID="cdf775c6-01"
>> /dev/sda5: UUID="92727ce9-2cff-40f5-b6d0-e9580afdeef3" TYPE="swap"
>> PARTUUID="cdf775c6-05"
>>
>> I edited 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/sda1 during installation
>> UUID=3a2e7e1d-3365-447b-85c5-f454a2f0b446 /               ext4
>> errors=remount-ro 0       1
>> # swap was on /dev/sda5 during installation
>> UUID=92727ce9-2cff-40f5-b6d0-e9580afdeef3 none            swap    sw
>>           0       0
>> /dev/sr0        /media/cdrom0   udf,iso9660 user,noauto     0       0
>>
>> #UUID=d65867da-c658-4e35-928c-9dd2d6dd5742  /dev/sdb1 ext4
>> errors=remount-ro  0  1
>> #UUID=007c1f16-34a4-438c-9d15-e3df601649ba  /dev/sdb2 ext4
>> errors=remount-ro  0  1
>
> I multi-boot and I like to keep things simple, including grub, I like a
> neat menu.lst and fstab too and I always keep these things backed up
> while installing a new system, this is the way I would do your fstab so
> I can edit sdb1 and sdb2, note no auto mount on sdb1 and sdb2, but you
> can now read and write.
>
> /dev/sda1 / ext4 errors=remount-ro 0 1
> /dev/sda5 none swap sw 0 0
> /dev/sdb1 /mnt/sdb1 ext4 noauto,users,exec,relatime 0 0
> /dev/sdb2 /mnt/sdb2 ext4 noauto,users,exec,relatime 0 0
> /dev/sr0 /media/cdrom udf,iso9660 noauto,users 0 0
>
> If you use the above you will need to make two folders in /mnt named
> sdb1 and sdb2
>
>> What have I missed?
>
> I don't think you missed anything, just didn't know what you where
> doing. :)
>
>> Thanks in advance.
>
> regard,

Not know what I'm doing is nothing new.

That's hardly a useful response.


-- 
Stephen P. Molnar, Ph.D.		Life is a fuzzy set
www.molecular-modeling.net		Stochastic and multivariate
(614)312-7528 (c)
Skype: smolnar1

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