Bug#1040343: linux-image-5.10.0-9-amd64: Kernel silenty de-supported nfsv3 UDP mounts
On Sun, 16 Jul 2023 20:14:20 +0200, Ben Hutchings wrote:
>>
>> nfsv3 over tcp works, but is subobtimal , as described - when the router
>> goes down, the tcp mounts will hang, and the machine will have to be
>> rebooted.
> [...]
>
> Does this mean you are using the "soft" mount option? Without that, I
> would expect access to the mount to hang until the network connection
> is restored, regardless of whether the TCP or UDP transport is used.
No, we use hard mounts.
But the router's package filter will have lost state after a reboot,
and reject packets from tcp connections that the clients assume to
exist. This is not a problem with udp, because connection-less.
Cheerio,
Hauke
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