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Re: An answer to "Gave up waiting for suspend/resume device"

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On 09/27/2017 02:38 AM, Pascal Hambourg wrote:
> Le 27/09/2017 à 10:37, Jimmy Johnson a écrit :
>> On 09/26/2017 02:25 AM, Pascal Hambourg wrote:
>>> Le 26/09/2017 à 03:55, Jimmy Johnson a écrit :
>>>> Hi Mark, while multi-booting I use the device name in fstab,
>>>> /dev/sd?? none swap sw 0 0, it works for all my installed systems.
>>>
>>> It is not always reliable with multiple drives, because device names 
>>> are not stable across reboots. So it is advised to use persistent 
>>> identifiers such as UUID or LABEL instead.
>>
>> Yes, what you say is true, but not very often and from what I've seen 
>> is due to mainboard setup or defects in the mainboard causing the bad 
>> setup due to mainboard SATA connection being mislabeled.
> 
> No, it is due to the asynchronous nature of device probing and module 
> loading by the kernel and udev in modern Linux systems.

Could be but I've only seen that problem on two computers out of easily 
more than 1000 and one of those was a mislabeled main board under 
warranty and the computer was replaced with another model and the other 
computer has taken out of service.

>>   But if everything is correct and you are using lets say sda1 as root 
>> in your fstab your system will use sda1 as the LABEL, I've seen this 
>> over and over.
> 
> Nonsense. sda1 is the block device name and does not have anything to do 
> with the LABEL which is a filesystem metadata field.
> 
>> But all this is advanced setup for people running more than one Linux 
>> system and having to edit UUID on all systems because you install a 
>> new system is undesirable.
> 
> No it does not have anything to do with multiple Linux systems.

In fstab a label is used as a device name, a uuid is used as a device 
name and /dev/sda1 is a device name, you are just trying to make 
nonsense out of nothing.

And editing multiple fstab config files because I've installed a new 
system is, like I said undesirable and why I use device names in both my 
fstab and grub boot menu.  As you know when a new system is installed 
swap is formatted and it's uuid gets changed every time it's formatted.

I do use labels on external plug and play drives though.
-- 
Jimmy Johnson

Debian Stretch - KDE Plasma 5.8.6 - AMD A8-7600 - EXT4 at sda6
Registered Linux User #380263

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An answer to "Gave up waiting for suspend/resume device" Mark Luxton <truthseeker9@yahoo.ca> - 2017-09-23 06:50 +0200
  Re: An answer to "Gave up waiting for suspend/resume device" Jimmy Johnson <field.engineer@gmail.com> - 2017-09-26 04:00 +0200
    Re: An answer to "Gave up waiting for suspend/resume device" Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-09-26 11:30 +0200
      Re: An answer to "Gave up waiting for suspend/resume device" Jimmy Johnson <field.engineer@gmail.com> - 2017-09-27 10:40 +0200
        Re: An answer to "Gave up waiting for suspend/resume device" Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-09-27 11:40 +0200
          Re: An answer to "Gave up waiting for suspend/resume device" Jimmy Johnson <field.engineer@gmail.com> - 2017-09-28 09:50 +0200
            Re: An answer to "Gave up waiting for suspend/resume device" Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-09-28 10:30 +0200
              Re: An answer to "Gave up waiting for suspend/resume device" David Wright <deblis@lionunicorn.co.uk> - 2017-09-28 21:10 +0200
  Re: An answer to "Gave up waiting for suspend/resume device" Larry Dighera <LDighera@att.net> - 2017-09-29 18:40 +0200
    Re: An answer to "Gave up waiting for suspend/resume device" Pascal Hambourg <pascal@plouf.fr.eu.org> - 2017-09-29 19:50 +0200

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