Re: [RFC PATCH 0/7] SUNRPC: Create sysfs files for changing IP

Chuck Lever
2021-01-14T02:15:27Z

> On Jan 13, 2021, at 2:48 PM, Chuck Lever <chuck.lever@oracle.com> wrote:
>
>> On Jan 13, 2021, at 2:23 PM, Anna Schumaker <schumaker.anna@gmail.com> wrote:
>>
>> On Tue, Jan 12, 2021 at 11:59 AM J. Bruce Fields <bfields@fieldses.org> wrote:
>>>
>>> On Tue, Jan 12, 2021 at 08:09:09AM -0500, Chuck Lever wrote:
>>>> Hi Anna-
>>>>
>>>>> On Jan 11, 2021, at 4:41 PM, schumaker.anna@gmail.com wrote:
>>>>>
>>>>> From: Anna Schumaker <Anna.Schumaker@Netapp.com>
>>>>>
>>>>> It's possible for an NFS server to go down but come back up with a
>>>>> different IP address. These patches provide a way for administrators to
>>>>> handle this issue by providing a new IP address for xprt sockets to
>>>>> connect to.
>>>>>
>>>>> This is a first draft of the code, so any thoughts or suggestions would
>>>>> be greatly appreciated!
>>>>
>>>> One implementation question, one future question.
>>>>
>>>> Would /sys/kernel/net be a little better? or /sys/kernel/sunrpc ?
>>
>> Possibly! I was trying to match /sys/fs/nfs, but I can definitely
>> change this if another location is better.
>
> Ah... since this is a supplement to the mount() interface, maybe
> placing this new API under /sys/fs/nfs/ might make some sense.

Or you could implement it with "-o remount,addr=new-address".

--
Chuck Lever