On 08/16/2015 12:51 PM, Patrick O'Callaghan wrote:
On Sun, 2015-08-16 at 14:11 -0400, Adam Batkin wrote:
> On 08/16/2015 07:01 AM, Rex Dieter wrote:
>> Emmett Culley wrote:
>>
>>> Why does the desktop freeze whenever an NFS share fails? I have
>>> set all
>>> NFS mounts to soft,intr and yet, if I forget to unmount a share
>>> before
>>> taking down the NFS server, my desktop freezes.
>>>
>>> Luckily I have Yakauke running, so I can at least get to a
>>> console. But
>>> of course the NFS mount cannot be umounted if it doesn't respond.
>>>
>>> Also I assumed the setting shares to intr, soft would prevent
>>> other
>>> software from hanging if the share stops responding. Is that not
>>> so? Or
>>> is there another setting I am not aware of?
>>>
>>> Any ideas how to prevent this from happening?
>>
>>
>> It not *that* different to when a (mounted) disk stops working.
>> I'd
>> recommend focusing on simply avoiding that situation.
>
> I assume that you were referring to local (physical) disks.
>
> Regardless, I disagree: Failure happens and software should at least
> *attempt* to be resilient.
>
> If I'm asking Konqueror or Dolphin to access a broken mount (local or
> network) then I understand if it hangs (though that could be avoided
> too, even if it just displays a "loading" indicator since it
> obviously
> can't get any further).
>
> But for general operations I would expect that nothing should hang.
> This
> is a solvable problem, and suggesting that people should avoid hung
> mounts isn't helpful given that usually (this particular situation
> excepted) they are totally unavoidable. A hung desktop is never
> acceptable.
+1
poc
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OK, so I am not the only one :-)
I agree that the system shouldn't hang if an NFS share fails, any more that it should
hang if I attempt to access an off-line server via fish (ssh), which it doesn't do.
Is it worth reporting a bug, or are we stuck with this (lack of ) functionality?
Emmett