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03-29-2011, 11:00 AM #1Junior Guru Wannabe
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WD Black Label vs. RE for Non-Raid
I have used some of both editions of WD drives for non-raid setups, and I am wondering for such setups is it worth the extra money for the REs versus using the black label drives? Performance wise I would certainly think there would not be any difference, but how about reliability?
Last edited by affordaservers; 03-29-2011 at 11:04 AM.
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03-29-2011, 11:41 AM #2Managed Service Provider
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For non-raid applications they are essentially the same disk.
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03-29-2011, 11:59 AM #3Newbie
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WD Black are great HDDs. I would just stick with those.
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03-29-2011, 02:29 PM #4Not so experienced
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We use ONLY Black disks..75% of our black disks are in RAID and we've never had any problems. They're cheap, fast and most importantly good quality.
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03-29-2011, 02:43 PM #5Eternal Member
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03-29-2011, 02:44 PM #6Junior Guru Wannabe
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Blacks are fine for software based RAID. If you plan on running hardware RAID it's better to use the enterprise class drives with TLER enabled. If you're not running RAID at all then the wd blacks will do just fine.
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03-30-2011, 06:21 PM #7Web Hosting Master
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Ditto for us. We use the Black drives extensively in non-RAID applications and use the RE disks when hardware RAID is involved. We have had problems with the Black disks on hardware RAID, where disks would drop out of the array and cause problems, so it's worth the extra money to use the RE disks when appropriate. They are essentially the same piece of hardware with some firmware differences.
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03-30-2011, 06:42 PM #8Web Hosting Master
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AFAIK you can enable TLER on Black drives, which should stop the drops.
That being said, I haven't used anything but RE3s for a while -- so its possible that has changed.
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03-30-2011, 06:54 PM #9Web Hosting Master
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I love WD blacks, is the only thing I am buying these days,
anyone knows where to get them cheap ?
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03-30-2011, 06:58 PM #10Web Hosting Master
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03-30-2011, 07:05 PM #11Retired Moderator
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03-30-2011, 08:46 PM #12Web Hosting Master
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Oh, bummer. Good to know.
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03-30-2011, 08:50 PM #13Web Hosting Master
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03-30-2011, 08:59 PM #14Web Hosting Master
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03-31-2011, 02:51 PM #15
Agree with you here.
It's worth keeping in mind one thing though. TLER (on the RE drives) disabled extended error correction. This is fine in RAID because some other disk will have the data you want. Without RAID, you *do not want* TLER, because that means the drive will give up on trying to correct an error that it could have corrected, if it takes too long to do so. This means, for non-raid, the TLER drives are going to be slightly less safe / secure than the Blacks.
Blacks and RE's work fine in s/w raid, and for hardware raid use the RE's only.IOFLOOD.com -- We Love Servers
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03-31-2011, 07:35 PM #16Web Hosting Master
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I'm really glad someone posted this, because I didn't want to be the bearer of bad news. Funkywizard is correct here, a Black drive is actually BETTER for a desktop application where no RAID is involved. TLER is not desired at all if you're running without RAID.
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09-20-2011, 05:51 PM #17Newbie
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In this case, what should we consider when a desktop RAID is used? I mean, as far as I know, a typical Intel chipset RAID isn't a pure hardware RAID, so what I'm trying to figure out is if a couple of WD Black hard drives are fine for building a RAID1 with an Intel chipset, or if an RE series is better for this purpose.
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09-20-2011, 06:41 PM #18Web Hosting Master
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it's desirable that using black drives for OS software RAID or HostRAID by on-board Intel controller.
even if you want to use Raid Edition drives, you've better to use TLER utility to disable TLER function from RE drives.
speaking from experience, the long term defective rate between black and RE always has been about the same.
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09-20-2011, 07:42 PM #19Newbie
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Just to make sure, your recommentation in this case (Intel UCH RAID) is to use Black drives instead of RE drives, am I right?
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09-20-2011, 08:36 PM #20WHT Addict
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