Do you try: nofail,noauto,x-systemd.automount ?

2016-08-29 9:28 GMT+03:00 Stefan Priebe - Profihost AG <s.pri...@profihost.ag>:
> Hi Qu,
>
> Am 29.08.2016 um 03:48 schrieb Qu Wenruo:
>>
>>
>> At 08/29/2016 04:15 AM, Stefan Priebe - Profihost AG wrote:
>>> Hi,
>>>
>>> i'm trying to get my 60TB btrfs volume to mount with systemd at boot.
>>> But this always fails with: "mounting timed out. Stopping." after 90s.
>>
>> 60TB is quite large, and under most case it will already cause mount
>> speed problem.
>>
>> In our test environment, filling a fs with 16K small files to 2T (just
>> 128K files)will already slow the mount process to 10s.
>>
>> For larger fs, or more specifically, large extent tree, will slow the
>> mount process obviously.
>>
>> The root fix will need a rework of extent tree.
>> AFAIK Josef is working on the rework.
>>
>> So the btrfs fix will need some time.
>
> thanks but i've no problem with the long mount time (in my case 6
> minutes) i'm just wondering how to live with it with systemd. As it
> always cancels the mount process after 90s and i see no fstab option to
> change this.
>
> Greets,
> Stefan
>
>>
>> Thanks,
>> Qu
>>>
>>> I can't find any fstab setting for systemd to higher this timeout.
>>> There's just  the x-systemd.device-timeout but this controls how long to
>>> wait for the device and not for the mount command.
>>>
>>> Is there any solution for big btrfs volumes and systemd?
>>>
>>> Greets,
>>> Stefan
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>>>
>>
>>
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-- 
Have a nice day,
Timofey.
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