From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wols Lists Subject: Re: WARNING: mismatch_cnt is not 0 on Date: Tue, 8 Nov 2016 21:01:29 +0000 Message-ID: <58223D29.6030401@youngman.org.uk> References: <26b91420-97c9-f405-aa71-16cd5cda3a67@gmail.com> <409d9f5f-6f72-a399-93ab-2b10323f4122@fnarfbargle.com> <74e5712f-e89e-97af-8aa4-ae2948c02e94@turmel.org> <27577b8a-1b63-8f1a-9b68-b056622a5268@fnarfbargle.com> <41c176d2-0235-6ff0-996c-b32dc95d487d@gmail.com> <57EAA214.8030603@youngman.org.uk> <5427ce35-f222-8a2c-486e-441c4c6ec9a6@gmail.com> <0f6bd6f6-20ee-1720-23fc-27d206063bfc@gmail.com> <287df6d6-3850-1142-5c69-c7b54a8a22d4@gmail.com> <1497737a-a307-4501-4158-9703a051ef67@turmel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1497737a-a307-4501-4158-9703a051ef67@turmel.org> Sender: linux-raid-owner@vger.kernel.org To: Phil Turmel , Benjammin2068 , Linux-RAID List-Id: linux-raid.ids On 08/11/16 20:38, Phil Turmel wrote: > Have you added up the peak current draws of your drives to make sure > your power supply keeps up when all drives are writing simultaneously > (common with parity raid)? On that point, be aware that many power supplies quote the sum of the power to all rails. It could well be that the supply is nominally plenty powerful enough, but the load on an individual rail is too high. Cheers, Wol