[OpenAFS] Re: Performance issues

Simon Wilkinson sxw@inf.ed.ac.uk
Wed, 24 Aug 2011 14:29:17 +0100

On 24 Aug 2011, at 14:17, Jaap Winius wrote:
> But, wouldn't that cause trouble in the mornings when those =
workstations are turned on again and a number of them try to =
re-synchronize their 1GB caches across my relatively puny 6Mbps WAN =

Caches aren't revalidated, or resyncronised, upon startup. Instead, when =
an application tries to access a file, the cache manager sees that it no =
longer has a valid callback, and issues a status request to the =
fileserver. If that status request indicates that the cached copy is =
still valid, then the cached copy will be used, otherwise the bits of =
the file requested by the application will be refetched from the =