From owner-freebsd-questions@FreeBSD.ORG Wed May 16 08:06:53 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 617F316A401 for ; Wed, 16 May 2007 08:06:53 +0000 (UTC) (envelope-from daniel_k_eriksson@telia.com) Received: from pne-smtpout2-sn1.fre.skanova.net (pne-smtpout2-sn1.fre.skanova.net [81.228.11.159]) by mx1.freebsd.org (Postfix) with ESMTP id 21CF613C447 for ; Wed, 16 May 2007 08:06:53 +0000 (UTC) (envelope-from daniel_k_eriksson@telia.com) Received: from royal64.emp.zapto.org (195.198.193.104) by pne-smtpout2-sn1.fre.skanova.net (7.2.075) id 4613481200A55FFA; Wed, 16 May 2007 08:57:37 +0200 Content-class: urn:content-classes:message MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Date: Wed, 16 May 2007 08:57:37 +0200 Message-ID: <4F9C9299A10AE74E89EA580D14AA10A61A173C@royal64.emp.zapto.org> X-MimeOLE: Produced By Microsoft Exchange V6.5.7226.0 In-Reply-To: <20070507094041.92f2d110.wmoran@potentialtech.com> X-MS-Has-Attach: X-MS-TNEF-Correlator: Thread-Topic: Upper limit on mount points? Thread-Index: AceQrexTJHOpG0g7RembJ5+YgTCWnwGzBepg References: <20070507094041.92f2d110.wmoran@potentialtech.com> From: "Daniel Eriksson" To: Cc: Bill Moran Subject: RE: Upper limit on mount points? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 May 2007 08:06:53 -0000 Bill Moran wrote: > We have some systems with a lot of jails. We're using ezjail, which results > in a lot of nullfs mounts. In combination with some other nullfs tricks I'm > using on this system, I'm a bit concerned that we're going to hit some sort > of limit on the number of mountpoint. > > Google hasn't been much help, and I thought I'd ask here before I dug in to > the sourcecode. I'm wondering if there's an upper limit (either hard or > practical) on the number of mountpoints on a system? I have a box running 6-STABLE that has 700+ nullfs mounts, and it runs just fine. /Daniel Eriksson