From owner-freebsd-virtualization@freebsd.org Mon Aug 27 22:42:18 2018 Return-Path: Delivered-To: freebsd-virtualization@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 915CF109837E for ; Mon, 27 Aug 2018 22:42:18 +0000 (UTC) (envelope-from rajil.s@gmail.com) Received: from mail-oi0-x22c.google.com (mail-oi0-x22c.google.com [IPv6:2607:f8b0:4003:c06::22c]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2A5F986790 for ; Mon, 27 Aug 2018 22:42:18 +0000 (UTC) (envelope-from rajil.s@gmail.com) Received: by mail-oi0-x22c.google.com with SMTP id p84-v6so1140290oic.4 for ; Mon, 27 Aug 2018 15:42:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:cc:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language; bh=AUFpXn1W9mdeE1h8VoE9q4OOz4FTRF3MU3g1hg74ZCk=; b=REH53ZSWnd+pOLu5BXS48JO9uPzhQIa5OudnxJZbvg6Cggs5aSmOaLqtbRP6sqt3WK TQ5jJyCeZ6fYF8u7YJ7+EU1uVyiw7BvCLGdhS7US9xehLg7pWwdPXVyyOTA6Jx2XxRyG mlf1KjrFBbKQ37PI9qjQ/gZh1ocg3Vj7hjVON9aTnXGuSZNhFbQhlYzMaNCp2hprk9AT YV9EQekr0XAJdFMYxM7D7wY+A7fqf7/9sYGhnMVSNXxaqhWlW+ZeNEwNXFxZ7Cc6K5bv 2KDh7uf9scNlyGrgttoaKyc70Yfrkb12f/uBiyctmTrBXrR9uSD0J49D8DOFtdalrxjP w7Zg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language; bh=AUFpXn1W9mdeE1h8VoE9q4OOz4FTRF3MU3g1hg74ZCk=; b=V3kkJD9ea1D+g3w4R44Q/kRsvlz8QNCTQ2Knz68bgKbaikluI6mJciMuglL0I2mku3 uAOhMua0IgoR+rryaY2WG4gy4mm3NwAonGs3Y9c1tIFP8u5K+vYbL59cueUSOdKQXMn5 NG9VcyTtUQO6LJV1CwEqDNKckWZP/ryKpLVI1PSe96tOxoppIGgRgU65WcOIMCkhVcp7 yTSeU1GgKXjzCNHPx7Q3Rchximl7T7hE8jdrIZKcHC1hbPFnoZrDv2eXStINM7MoUyVy fm5TJl3q/6KCyg0BRvcKT1TmNCaJcoGKG0D85Aj04941+lGFroaSnWLLfj0SSCLTKqtK Z9Uw== X-Gm-Message-State: APzg51AQy2pMvMjLZvCWkuUUEkVMzX6YuFsIWK2dC7Xmli5i+RcY5tLG C8NtMAgoWmcY7w/xX1GDLYCebcPWxRg= X-Google-Smtp-Source: ANB0VdYhvIBGlmblOu3Jr98cTPfrBUv4eCCHkOYVYqs6CQIdDhZLMe8ceRc+NdHKl3ODlCOqxqdU1w== X-Received: by 2002:aca:3f41:: with SMTP id m62-v6mr635854oia.18.1535409737174; Mon, 27 Aug 2018 15:42:17 -0700 (PDT) Received: from ?IPv6:2601:2c2:800:300::ff24? ([2601:2c2:800:300::ff24]) by smtp.gmail.com with ESMTPSA id l195-v6sm814338oib.17.2018.08.27.15.42.16 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Aug 2018 15:42:16 -0700 (PDT) Subject: Re: Bhyve guest boot error, Buffer I/O error on dev vda1, logical block 0, lost async page write Cc: FreeBSD virtualization References: <114c2000-17ba-3cf6-1d4a-1354f42d8875@gmail.com> From: Rajil Saraswat Message-ID: <69322b42-dc78-e2b0-d92d-e70cc37924d9@gmail.com> Date: Mon, 27 Aug 2018 17:42:10 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Content-Filtered-By: Mailman/MimeDel 2.1.27 X-BeenThere: freebsd-virtualization@freebsd.org X-Mailman-Version: 2.1.27 Precedence: list List-Id: "Discussion of various virtualization techniques FreeBSD supports." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Aug 2018 22:42:18 -0000 On 08/27/2018 11:50 AM, Pete Wright wrote: > > > On 8/26/18 10:07 PM, Sami Halabi wrote: >> Hi, >> IIRC pool shouldn't be above 90% used otherwise bad things happen.. >> but at >> 69%???? >> Can someone explain thid please? > > it's possible the filesystem was heavily fragmented?  seems suspicious > - did scrubbing your pool find any errors? > > -pete > This is how the pool looked like, |# zpool list vmpool NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT vmpool 372G 257G 115G - - 64% 69% 1.00x ONLINE - | Scrub did not show the errors. After deleting unused zvols, the guests started to work and pool looks like this, | | |# zpool list vmpool NAME     SIZE  ALLOC   FREE  CKPOINT  EXPANDSZ   FRAG    CAP  DEDUP  HEALTH  ALTROOT vmpool   372G   197G   175G        -         -    56%    53%  1.00x  ONLINE  - | | |