From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Waychison Subject: Re: RE: autofs scalability Date: Wed, 03 Dec 2003 15:01:39 -0500 Sender: autofs-bounces@linux.kernel.org Message-ID: <3FCE4123.8050301@sun.com> References: <6AB920CC10586340BE1674976E0A991DE22E18@slexch2.sugarland.unocal.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============050799401022298518==" Return-path: In-reply-to: <6AB920CC10586340BE1674976E0A991DE22E18@slexch2.sugarland.unocal.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: autofs-bounces@linux.kernel.org To: "Ogden, Aaron A." Cc: autofs@linux.kernel.org, Ian Kent This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============050799401022298518== Content-type: multipart/signed; boundary=------------enig4F6B7FC16E9942A35DCEEC23; protocol="application/pgp-signature"; micalg=pgp-sha1 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig4F6B7FC16E9942A35DCEEC23 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Ogden, Aaron A. wrote: >Hello all, >I was reading through Joe Pranevich's "Wonderful World of Linux 2.6" and >I came across this, I thought you might find it interesting. (source: >http://kniggit.net/wwol26.html) The "Network Filesystems" section makes >for interesting reading as well. If I am reading this correctly, the >'unnamed device' limit has been raised from 256 to 4096 in kernel 2.6, >can anyone confirm this? > No. The major count went from 256 -> 4096. The minor count went from 256 to 1048576. The maximum pseudo-block-device limit is still 256 currently. >If this is the case the only barrier left to >remove is the RPC port limitation of ~800 open ports. If the >connections were multiplexed such that all connections to a given server >used the same port then 800 ports would stretch a lot farther than they >do now... > > > Yes. This has been identified as an upper limit. :( But you're right, these two limits are blocking being able to mount large numbers of NFS mounts. -- Mike Waychison Sun Microsystems, Inc. 1 (650) 352-5299 voice 1 (416) 202-8336 voice mailto: Michael.Waychison@Sun.COM http://www.sun.com ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ NOTICE: The opinions expressed in this email are held by me, and may not represent the views of Sun Microsystems, Inc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --------------enig4F6B7FC16E9942A35DCEEC23 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Using GnuPG with Debian - http://enigmail.mozdev.org iD8DBQE/zkEndQs4kOxk3/MRAnh5AJ9789/kl+H0zH9HPhY2EbYvlHXlfwCcCNv0 J+xJB2dTXEqg2hSyO3swLes= =ZOsn -----END PGP SIGNATURE----- --------------enig4F6B7FC16E9942A35DCEEC23-- --===============050799401022298518== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ autofs mailing list autofs@linux.kernel.org http://linux.kernel.org/mailman/listinfo/autofs --===============050799401022298518==--