From mboxrd@z Thu Jan 1 00:00:00 1970 From: Asdo Subject: Re: Use of WD20EARS with MDADM Date: Thu, 25 Mar 2010 18:45:17 +0100 Message-ID: <4BABA12D.6040605@shiftmail.org> References: <4BAB8D41.4010801@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-reply-to: Sender: linux-raid-owner@vger.kernel.org To: David Lethe Cc: Andrew Dunn , Mdadm List-Id: linux-raid.ids David Lethe wrote: > On Mar 25, 2010, at 11:20 AM, Andrew Dunn wrote: > >> Recently Dell is selling their WD20EARS (2TB) for 90$ >> >> This being one of the best PPG (Price Per Gigabyte) snatches I have >> seen, I was considering buying 8 of them for an mdadm array. >> >> Has anyone had experience with these drives? >> >> Note, they have 4K sectors. >> >> Thank you for your kind responses. >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html >> > > This is a low-cost consumer disk that is rated for a whole 2400 hours > use in a year. You get what you pay for. I think the "I" in RAID stands for inexpensive :-P Jokes apart, don't you think frequent scrubbing (e.g. weekly for a raid-6 or 2/week for raid-1/10) is enough to compensate for this? I would be way more concerned with ERC / TLER if it proves to be nonsettable, but I might be wrong