Re: rare but repeating system crash in C7

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Are you still on 7.6 ? I recently discovered that a bug in sysstat was fixed in 7.7 that prevented autofs from umounting the filesystem.

The following should show if it's taking into action:
systemctl status mnt-backup.mount mnt-backup.automount
systemctl cat mnt-backup.mount mnt-backup.automount


Are you sure that you got no "," before that "noauto" ?

Best Regards,
Strahil Nikolov 






В неделя, 3 януари 2021 г., 16:25:47 Гринуич+2, Fred <fred.fredex@xxxxxxxxx> написа: 





Strahil:

I WAS using that, but the automatic umount never worked, leaving it mounted all the time.

I commented out those entries in /etc/auto.master before modifying the fstab entry:

UUID=259ec5ea-e8a4-465a-9263-1c06217b9aaf       /mnt/backup     ext4,x-systemd.automount,x-systemd.idle-timeout=15min   noauto  0       2

which is exactly as it was before except for the x-systemd entries as you described.

and the peculiar thing is it STILL does not automount. and yes, I did do systemctl restart local-fs.target.

do I need to reboot (or something simpler, maybe) to fully disable the auto.master stuff?

Thanks again!

Fred

On Sun, Jan 3, 2021 at 5:54 AM Strahil Nikolov via CentOS <centos@xxxxxxxxxx> wrote:
> Hi Fred,
> 
> do you use automatic umount for the map in /etc/auto.master (--timeout) ?
> 
> If yes, then the systemd mount options probably won't help.
> 
> Best Regards,
> Strahil Nikolov
> 
>  
> 
> 
> 
> 
> 
> 
> В неделя, 3 януари 2021 г., 04:27:17 Гринуич+2, Fred <fred.fredex@xxxxxxxxx> написа: 
> 
> 
> 
> 
> 
> Yeah, and the instructions for setting RAID-1 or RAID-0 have the switch
> positions exactly reversed.
> 
> Strahil: I'm using autofs to automount the unit. but just turned that off
> and enabled the xsystemd.automount in fstab, we'll see how that works.
> 
> Fred
> 
> 
> On Sat, Jan 2, 2021 at 4:11 PM Warren Young <warren@xxxxxxxxxxx> wrote:
> 
>> On Jan 2, 2021, at 11:17 AM, Fred <fred.fredex@xxxxxxxxx> wrote:
>> >
>> > I assume that the yottamaster device runs Linux, just like 99% of other
>> > such devices.
>>
>> 99% of NAS boxes, maybe, but not dumb RAID boxes like the one I believe
>> you’re referring to.
>>
>> (And I doubt even that, with the likes of FreeNAS extending down from the
>> enterprise space where consumer volume can affect that sort of thing.)
>>
>> I have more than speculation to back that guess: the available firmware
>> images are far too small to contain a Linux OS image, their manuals don’t
>> talk about Linux or GPL that I can see, and there’s no place to download
>> their Linux source code per the GPL.
>>
>> While doing this exploration, I’ve run into multiple problems with their
>> web site, which strengthens my suspicion that this box is your culprit.  If
>> they’re this slipshod with their marketing material, what does that say
>> about their engineering department?
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>>
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