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Author Topic: Dolby Show Store RAID degradation Steve Guttag We forgot the crackers Gromit!!! Posts: 12814 From: Annapolis, MD Registered: Dec 1999 posted 07-12-2009 10:29 AM                     Uh....not the near future...the future is HERE! The drives for it, though also 500GB are less expensive too. Dolby DSS200 Steve  |  IP: Logged David Stambaugh Film God Posts: 4021 From: Eugene, Oregon Registered: Jan 2002 posted 07-12-2009 01:25 PM                        quote: Terrence Meiczinger Seagate Barracuda ES.2 ST3500320NS That's an "enterprise-class" drive made for 24/7 operation in servers and such. It has a 5 year warranty and the MTBF is 1.2 million hours. I've installed bunches of them at work, in both desktops and servers. Have had numerous failures. Look up that item on newegg.com and read the user comments. That specific drive model has a history of very high failure rate. Only Seagate knows why. I switched to the Western Digital equivalent model, haven't had one fail yet that I can recall. OEM ST3500320NS at newegg.com has a 5 year warranty through Seagate. Read those user comments though.  |  IP: Logged Brad Miller Administrator Posts: 17775 From: Plano, TX (36.2 miles NW of Rockwall) Registered: May 99 posted 07-12-2009 01:50 PM                     I didn't realize those OEM drives had a 5 year warranty. They certainly don't anymore though, as Seagate changed their warranty policy for all OEM drives down to 3 years. Regardless, Dolby should be using something more reliable, such as the Seagate Barracuda 7200.11 series. I've had plenty of WD failures and Maxtor drives are absolutely awful. At the end of the day, Dolby probably purchased 50 thousand of them to get some magnificent price and now have a warehouse full of them. Only Dolby knows though.  |  IP: Logged Jeremy Weigel Phenomenal Film Handler Posts: 1062 From: Edmond, OK, USA Registered: Mar 2007 posted 07-13-2009 01:02 AM                     If memory serves, Seagate bought Maxtor a couple of years ago, which might explain Seagate's current higher than normal failure rate given that Maxtor's drive as Brad has mentioned were/are terrible.  |  IP: Logged David Stambaugh Film God Posts: 4021 From: Eugene, Oregon Registered: Jan 2002 posted 07-13-2009 10:01 AM                        I dunno, not trying to start anything, but I found this Seagate Technology OEM Limited Warranty Statement quote: For Product sold to a Seagate OEM customer (“OEM”), the standard warranty period is three (3) years for Notebook and Desktop drives and five (5) years for Enterprise and Nearline drives. The drive Dolby is using is definitely Enterprise/Nearline. Of course Dolby, as the system integrator, can warrant the drives for whatever period it wants.  |  IP: Logged Dennis M Dow Jr Expert Film Handler Posts: 141 From: Bloomfield NJ USA Registered: Oct 2003 posted 07-13-2009 03:34 PM                       I have been using WD drives for as long as I can remember never had a problem. Did have issues with Maxtor in any computer that I had to build with it. Seagate used in my very first build way back when and it served me well for the time I had it. Just feel more comfortable with the WD Caviar drives  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 07-13-2009 07:00 PM                     IMHO they blew it big time by not going to RAID 6. Not only is it far more redundant but it doesn't cost all that much more over the RAID 5 cost. Mark  |  IP: Logged David Stambaugh Film God Posts: 4021 From: Eugene, Oregon Registered: Jan 2002 posted 07-21-2009 06:32 PM                        Heh, I had another of these drives fail today, RAID-10 array in a server, server being backed up at the time the drive croaked. Replaced drive with shelf spare. Costs $19.99 to get an advanced warranty replacement for the bad drive directly from Seagate, has already shipped.  |  IP: Logged Eric Robinson Jedi Master Film Handler Posts: 538 From: Santa Rosa, CA Registered: Jan 2005 posted 08-28-2009 10:45 AM                     My failed drive from a Dolby Show Store is: Seagate ST3400620NS 400GB When I removed the drive I heard something inside of it go "Clunk" After a little "shake test" I concluded that something inside the drive is very loose, you can hear the disks flopping around inside. Its hard to resist my natural impulse to take it apart, but I have to send it back for warranty replacement. The show store is 2 months old.  |  IP: Logged Andy Bajew Expert Film Handler Posts: 136 From: Bellaire, Texas Registered: Jun 2009 posted 08-28-2009 12:33 PM                     quote: Stu Jamieson So what's the rationale behind not rebooting RAID drives? Why does this make them more prone to failure? When you constantly shut down any type of computer system, you are putting extreme thermal stress on all of the components from heating and cooling.  |  IP: Logged Mark Gulbrandsen Resident Trollmaster Posts: 16657 From: Music City Registered: Jun 99 posted 08-28-2009 01:54 PM                     You can still re-boot most computer and servers running a RAID by doing a hot re-boot instead of a cold reboot in which the power is removed to re-boot. I always felt the Dolby RAID card is way way way too busy all the time... even at idle its alot more active than most RAID arrays I've worked with and I believe this contributes to the HD failures. Other manufacturers servers don't have nearly as active of RAID and rarely seem to loose drives. The 2 Dell 2850 servers I run at home each have 6 148 gig SCSI type drives in them that are older than Digital Cinema is! And they have never failed... they are always running though and on UPS in case of power bump. Mark  |  IP: Logged Demetris Thoupis Phenomenal Film Handler Posts: 1240 From: Aradippou, Larnaca, Cyprus Registered: Apr 2001 posted 08-29-2009 10:17 AM                     Aren't drives supposed to be horizontaly mounted!? When I was doing PC services I attended a seminar and someone was mentioning that the drives are supposed to be horizontal mounted and not vertical as they are prone to more failures.  |  IP: Logged David Stambaugh Film God Posts: 4021 From: Eugene, Oregon Registered: Jan 2002 posted 08-29-2009 10:32 AM                        "Modern" drives are designed to be mounted in any horizontal or vertical plane, including upside down.  |  IP: Logged

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