On Thu, Nov 14, 2013 at 11:59 AM, zGreenfelder <zgreenfelder@xxxxxxxxx> wrote:
> On Thu, Nov 14, 2013 at 5:34 AM, Rita <rmorgan466@xxxxxxxxx> wrote:
>> Thanks for the detailed response.
>>
>>
>> My problem is we have many NFS servers and clients. The client mounts to
>> the servers using /net/serverA/dirA. When server A is decommissioned all
>> the clients hand on `df`. I was wondering if there is a clean way to
>> unmount the server instead of rebooting clients (100+ clients). I am try
>> doing a lazy unmount but that doesn't seem to fix the problem.
>>
>>
>
> I'd suggest that the NFS servers should have showmount -a run before hand and
> the clients unmount/changed before the decom happens...
> but then I'm bit by the seemingly broken nature of showmount on centos (at least
> for me on my 6.4 machines, and assuming you run centos as your NFS servers).
>
> I'd think you keep a comprehensive list of clients, perhaps running through them
> to check for mounts to soon to be decom'd servers?
I've usually had trouble unmounting anything with open files or
current directories across the mount point. If there aren't, using
the automounter would probably have worked. Are there versions where
umount -f actually works?
--
Les Mikesell
lesmikesell@xxxxxxxxx
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