[OpenAFS] openafs on Fedora 12?

Chas Williams (CONTRACTOR) chas@cmf.nrl.navy.mil
Wed, 09 Dec 2009 09:29:00 -0500

In message <4BE2A1DA-0C38-4313-9E2D-C39965B4C295@inf.ed.ac.uk>,Simon Wilkinson 
>Fedora 12 has IMA enabled in its kernel by default. OpenAFS can't  
>currently co-exist with IMA, because IMA fundamentally breaks the core  
>interface that OpenAFS uses it access its disk cache. There is ongoing  
>work to fix this problem in the kernel.

so one could always use the memcache for a workaround in the short
term.  seems fine here.

>The alternative is that we modify the OpenAFS cache manager to use an  
>alternative, but significantly slower, mechanism for opening files in  
>the cache. This has been done on an experimental basis, but we'd  

i still wonder if the cache manager shouldnt open a single file (sparse
mode) and just seek/read/write.  this would solve a couple of potential
problems with other filesystems as well.