Re: NFS clients' use of fs_locations?

[Jeff Garzik <jeff@garzik.org>]

Trond Myklebust wrote:
> On Wed, 2009-02-11 at 15:00 -0500, Jeff Garzik wrote:
>> According to the NFSv4 spec (section 6.1), regarding fs_locations,
>>
>> 	On first access of the filesystem, the client should obtain the
>> 	value of the fs_locations attribute. If, in the future, the
>> 	client finds the server unresponsive, the client may attempt to
>> 	use another server specified by fs_locations.
>>
>> Does any known client actually fail over to another fs_location, as 
>> described here?
>>
>> I am implementing the server side of this...  AFAICT Linux barely uses 
>> fs_locations, and Solaris just crashes.
> 
> Hi Jeff,
> 
> I'm working on finishing the migration code, and expect to have it ready
> soon.

Neat!  Will that include the simple fail-over actions described above?


> Until that, though, Bruce's suggestion of AIX is probably your best bet.
> AFAIK, they've had migration support in their client for several years.

Thanks!  Any idea at all if AIX client supports fail-over, or simply 
migration based on NFS4ERR_MOVED?

Time to figure out how to access AIX NFS client......  :)

	Jeff