[Info-vax] New filesystem mentioned

[Arne Vajhøj]

On 5/13/2019 7:15 PM, Grant Taylor wrote:
> On 5/13/19 4:53 PM, Arne Vajhøj wrote:
>> The answer must depend a lot on what is meant by "file system".
> 
> ZFS os quite a bit more than just a simple file system.
> 
>> I do not think there is anything in the on disk bytes that are 
>> relevant for clustering.
> 
> Probably not.
> 
>> The code that does the physical transfer of data between disk and 
>> memory should not have anything relevant for clustering.
> 
> ZFS makes EXTENSIVE use of caching between what's reported back to the 
> program and what's written to disk.
> 
> I think the big thing for clustering is the current inability to 
> synchronize this metadata with an additional system.

Write back cache would need to be cluster aware.

Arne