From owner-freebsd-fs@FreeBSD.ORG Thu Nov 24 15:52:06 2011 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C536A106566C for ; Thu, 24 Nov 2011 15:52:06 +0000 (UTC) (envelope-from rs@bytecamp.net) Received: from mail.bytecamp.net (mail.bytecamp.net [212.204.60.9]) by mx1.freebsd.org (Postfix) with ESMTP id 224748FC13 for ; Thu, 24 Nov 2011 15:52:05 +0000 (UTC) Received: (qmail 75670 invoked by uid 89); 24 Nov 2011 16:25:25 +0100 Received: from stella.bytecamp.net (HELO ?212.204.60.37?) (rs%bytecamp.net@212.204.60.37) by mail.bytecamp.net with CAMELLIA256-SHA encrypted SMTP; 24 Nov 2011 16:25:25 +0100 Message-ID: <4ECE61E5.7070003@bytecamp.net> Date: Thu, 24 Nov 2011 16:25:25 +0100 From: Robert Schulze Organization: bytecamp GmbH User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.23) Gecko/20110921 Thunderbird/3.1.15 MIME-Version: 1.0 To: freebsd-fs@freebsd.org Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Subject: cap cache-ssds usage on zfs X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Nov 2011 15:52:06 -0000 Hi there, is there a way to limit the amount of space which is used on cache devices in ZFS? I mean, without doing partitioning or such. The reason for this to do is that GC on most SSDs will fail when the cache-SSDs are full (which is the case in our configuration: 7M free of 75 GB). with kind regards, Robert Schulze