On Wed, 15 Nov 2000 [EMAIL PROTECTED] wrote:
> Hi,
>
> Has anybody got Cyrus IMAP working with an NFS mounted Network Appliance Filer
>successfully. We are using Cyrus under Linux.
> The mailboxes file is stored on the NetApp and appears to go offline. The only
>solution is to remount the NFS device. Is this a Cyrus or an NFS problem. And are
>there any other known issues using Cyrus with NFS.
It won't work. First there are locking issues. Given a good client and
server implementation of NFS that can likely be overcome. The quality of
Linux NFS is determined by which kernel you are using. The locking issue
can be avoided by the using only a single Cyrus server to access the
message store over NFS.
Then there is the use of mmap(), which probably isn't possible to
overcome. For instance, Solaris NFS clients refuse to mmap() files on a
NFS server. On implementations that allow mmap() over NFS, don't expect
it to work in the consistant way that local mmap() with a unified buffer
cache should work.
> Regards
> Pat Fenton
Tom
