From mboxrd@z Thu Jan 1 00:00:00 1970 From: Peter Kieser Subject: Re: 3TB drives failure rate Date: Sun, 28 Oct 2012 16:51:09 -0700 Message-ID: <508DC4ED.3030706@kieser.ca> References: <11510711257.20121028131527@oudeis.org> Mime-Version: 1.0 Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms070807000309070700080507" Return-path: In-Reply-To: <11510711257.20121028131527@oudeis.org> Sender: linux-raid-owner@vger.kernel.org To: =?ISO-8859-1?Q?Rainer_F=FCgenstein?= Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids This is a cryptographically signed message in MIME format. --------------ms070807000309070700080507 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable I've had interesting cases where WD Green Drives (specifically WD15EARS, = WD15EADS) don't necessarily "fail" but suddenly have very slow=20 random/read write performance which slows down the rest of the array.=20 Removing the drive, and replacing it with a (new) drive usually resolves = the issue. I have since started to avoid "green" drives due to this issue= =2E -Peter On 2012-10-28 5:15 AM, Rainer F=FCgenstein wrote: > when trying to upgrade my raid5 with 4 Western digital caviar green > 3TB drives [WDC WD30EZRX-00MMMB0] (3 brandnew, 1 about 4months old), > the "old" drive and one of the brand new ones failed with > unrecoverable read errors and about 70 reallocated sectors each. the > failures already occured during the initial resync after creating the > raid. > > until now I was very fond of WD caviar green drives, but after this > 50% failure rate I'm not very eager to restore data from the backup. > > what is your experience with 3TB drives, WD and others? > > (low power drives appreciated, performance is not an issue) > > tnx. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" i= n > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html --------------ms070807000309070700080507 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