From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx03.extmail.prod.ext.phx2.redhat.com [10.5.110.27]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 08A525C578 for ; Thu, 19 Oct 2017 19:46:25 +0000 (UTC) Received: from smtp2.signet.nl (smtp2.signet.nl [83.96.147.103]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D70136CB38 for ; Thu, 19 Oct 2017 19:46:22 +0000 (UTC) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Date: Thu, 19 Oct 2017 21:46:20 +0200 From: Xen In-Reply-To: <23016.63588.505141.142275@quad.stoffel.home> References: <23016.63588.505141.142275@quad.stoffel.home> Message-ID: <90cb544ffa100a862f503528ba5bf73f@xenhideout.nl> Subject: Re: [linux-lvm] cache on SSD makes system unresponsive Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: LVM general discussion and development John Stoffel schreef op 19-10-2017 21:09: > How did you setup your LVM config and your cache config? Did you > mirror the two SSDs using MD He said he used hardware RAID to mirror the devices. > I ask because I'm running lvcache at home on my main file/kvm server > and I've never seen this problem. But! I suspect you're running a > much older kernel, lvm config, etc. lvm2-2.02.171-8.el7.x86_64 CentOS 7.4 was released a month ago.