According to Pedro Melo:
>
> big mail systems have two classic archs:
> - single (or multiple) nfs store with multiple frontends: in this case all the
> frontends view all the mailboxes, and the client can use any one to access
> his mail. the botleneck here (assuming bandwith is no problem nor is horse
> power) is the cdb/database to store the user info. It get's big. Ldap is the
> solutiong here. So, Netapps (two with the mirroring option), gigabit
> interconnnection with jumbo frames, alteons to loadbalence the frontends,
> and ldap to store the user info (use several ldap boxes and loadbalance them
> with alteon gear also) should get you to 1m users no probs.
Since you have described pretty much exactly my configuration here,
have anyone tried to run Solaris's CACHFS in conjunction with the
NetApps filers which are used to store the user's $MAILDIR files to
increase NFS cache performance.
I would like to know if there are any gotcha's.
Thanks
--curtis
