[systemd-devel] Emergency mode if non-critical /etc/fstab entries are missing

[Reindl Harald]

Am 26.09.2016 um 11:27 schrieb Oliver Neukum:
> On Sun, 2016-09-25 at 23:57 +0200, Reindl Harald wrote:
>>
>> Am 25.09.2016 um 23:52 schrieb Sergei Franco:
>>> I am looking at correct way to disable the "feature" of emergency mode
>>> when systemd encounters missing block device entires in fstab.
>>>
>>> For example:
>>>
>>> the following entry is in /etc/fstab:
>>> UUID=d4a23034-8cbe-44b3-92a5-3d38e1816eff /data               xfs
>>> defaults        0       0
>>>
>>> If the drive (d4a23034-8cbe-44b3-92a5-3d38e1816eff) has been detached
>>> and machine rebooted it stops booting with Emergency mode, even though
>>> the /data is not crucial for boot
>>
>> RTFM - when you don't say "nofail" it's ecpected to be crucial
>>
>> your entry says it's crucial
>
> That in turn raises the question why the default should be different
> than what is used in earlier systems

because earlier systems (sysvinit) hat no concept like emergency mode as 
they where a lousy bunch of scripts where you ended in case of a crucial 
disk failing in a undefined state?

because earlier systems had no concept for "nofail" or "fail" at all