From owner-freebsd-questions@freebsd.org Tue Aug 15 18:54:44 2017 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E5B7EDB70A0; Tue, 15 Aug 2017 18:54:44 +0000 (UTC) (envelope-from dweimer@dweimer.net) Received: from webmail.dweimer.net (24-240-198-187.static.stls.mo.charter.com [24.240.198.187]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "www.dweimer.net", Issuer "Go Daddy Secure Certificate Authority - G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B00F87E98D; Tue, 15 Aug 2017 18:54:43 +0000 (UTC) (envelope-from dweimer@dweimer.net) Received: from www.dweimer.net (opnsense.dweimer.local [10.9.5.1]) (authenticated bits=0) by webmail.dweimer.net (8.15.2/8.15.2) with ESMTPSA id v7FIsZ0i046740 (version=TLSv1.2 cipher=DHE-RSA-CHACHA20-POLY1305 bits=256 verify=NO); Tue, 15 Aug 2017 13:54:35 -0500 (CDT) (envelope-from dweimer@dweimer.net) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=dweimer.net; s=2017.01.31; t=1502823275; bh=tX9lR5wvXn11JzlBji7LPvsgOPQ1hZy18PiGFAkL1sY=; h=Date:From:To:Cc:Subject:Reply-To:In-Reply-To:References; b=sLbwDQxADRP9rduq9qGqLRSwb1a2aGkuODPmqMXgQlOCoHBQtJlV4gFKVmwfF6d+b SRLPaTvksG9uPe6cN+tVa6mXQzgs7jW7Aue2myKDE76PoC98T+vmpfG4sdj2jwk5lx yqNYO2ukrZE5J0u3OGIiXwifL6tbqvAHIyQa7iICLuEB1w0xcMI8k2WPGxe9syLvKQ pgKFiBMrKM9iA+sTDM27Uc+5V5f0ROgiH8peKM0kJWYvt73OJlwgCki5zZY/CM5hRR gtnr/XLoycwdMYTrGEwN+EMYvyktRXo5fJBOOmziDSG6NvjV4CcP4noy4xlsFzNXHP sqjCNFrKu5sGQ== MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 15 Aug 2017 13:54:30 -0500 From: "Dean E. Weimer" To: Johan Helsingius Cc: freebsd-questions@freebsd.org, owner-freebsd-questions@freebsd.org Subject: Re: ZFS and free space Organization: dweimer.net Reply-To: dweimer@dweimer.net Mail-Reply-To: dweimer@dweimer.net In-Reply-To: References: Message-ID: X-Sender: dweimer@dweimer.net User-Agent: Roundcube Webmail/1.3.0 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Aug 2017 18:54:45 -0000 On 2017-08-15 1:49 pm, Johan Helsingius wrote: > Hi! > > Apologies if this is a total noobie question, but I am new to ZFS. > My problem is that 1.8 Tb of disk space has mysteriously disappeared > from my file server: > > # df -h | grep home > zroot/home 6.0T 6.0T 48G 99% /usr/home/storage > zroot/usr/home 4.2T 4.2T 48G 99% /usr/home > > du -sh /usr/home/* > 715M /usr/home/julf > 4.2T /usr/home/storage > > So where did the 1.8T go? Don't think the ZFS overhead is that big. > And no, there are no deleted files hanging about. > > Julf do you have snapshots? run: zfs -t all | grep home And see if there are any of them eating up the disk space. -- Thanks, Dean E. Weimer http://www.dweimer.net/