(Mean Time Between Failure) The average time a component works without failure. It is the hours of observation divided by the number of failures.
 | Reproduced with permission from Computer Desktop Encyclopedia. Copyright (c) 1981-2009 The Computer Language Company Inc. All rights reserved. |
Additional Resources
- Disks: why size means performance
- OK, Smarty pants...How do I use only the outer-most sectors of my 500GB disk?Performance != reliabilitySeagate has progressively gotten worse with reliability - that's why they cut the 5-year warranty back down to 3 years. Western Digital has made great strides with reliability though. WD isn't focussing on...
- Discussion threads 2009-11-18
- The coming "big crunch" - IT systems will start failing on a large scale
- ScaremongeringAll that was missing - the placard reading 'The End of the World is Nigh'.So my critical, clustered systems are going to start failing are they? Why did I cluster them then?My RAID arrays are going to start failing are they? Why did I go RAID then? And have I...
- Discussion threads 2009-09-29
- Seagate's 2TB Barracuda XT, world's first SATA 6Gbps HDD
- It is still a SeageteIt is still a seagate, so it will fail very quickly.RE: Seagate's 2TB Barracuda XT, world's first SATA 6Gbps HDDAny word on the real world performance of SATA 6Gpbs vs. SAS drives?RE: Seagate's 2TB Barracuda XT, world's first SATA 6Gbps HDDHow about smaller capacities? I...
- Discussion threads 2009-09-22
- Western Digital debuts 2TB, 7200RPM enterprise-class hard drives
- Western Digital on Tuesday announced that it is now shipping 2TB, 7200RPM enterprise-class desktop hard drives with WD's 500 gigabytes-per-platter technology. The company's family of Caviar Black drives (pictured, below) is intended for gaming, high-performance desktop systems and workstations; while the 2TB WD...
- Blog posts 2009-09-01
- Samsung Spinpoint F3 HDD offers 1TB; 500GB per platter
- Samsung Spinpoint F3 HDD offers 1TB; 500GB per platterThat's a review?Looks more like a marketing blurb. Where's the technical info? Yeh great so it runs at 7200rpm, so do heaps of other 1Tb drives. What about read / write speeds? Sound levels? Mtbf? Power consumption? Looks like i'll have to...
- Discussion threads 2009-07-30
- Microsoft Security Essentials beta to be capped at 75,000, kicks off today
- Microsoft Security Essentials beta to be capped at 75,000, kicks off todayLast I heard... *edited*OneCare had less false positives then all the other AV/AS software, and scored pretty high in tests.Assuming it's junk just because it's Microsoft kinda makes you look like a... fool.*Edited after realizing I had typed the...
- Discussion threads 2009-06-23
- Reliability Analysis of the APC Symmetra MW Power System
- This paper is a quantitaive reliability analysis of the APC Symmetra MW UPS performed by MTechnology, Inc. MTech. In contrast to common MTBF calculations based on summing component failure rates, this study used techniques of Probabilistic Risk Assessment PRA to calculate the likelihood of over 680,000 potential failure modes. The...
- White papers 2009-04-08
- Are solid state drives doomed?
- Are solid state drives doomed?Solid State Drivesare probably not doomed. Just nice scary press tactics. I'll wait for the 2nd or 3rd generation of these to come out before I commit to purchasing one. RE: Are solid state drives doomed?Magnetic drives slow down too. I have seen many 3...
- Discussion threads 2009-03-27
- Best hard drive for a media center
- Best hard drive for a media centerCool and/or Quiet is more importantI'd run two 5400RPM drives in Raid-0 to counter the lower RPMs. That way, it should help keep the temperatures down. Why? because temperature has a bigger impact on the drive bearings, so it's more likely to wear-out/noisier sooner....
- Discussion threads 2009-03-13
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- Discussion threads 2009-02-25
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- Discussion threads 2009-01-21
- Green tech expert clarifies data center heat discussion
- Just wanted to pop in a quick update/observation from a reader regarding my "Some like it hot" post the other day. He wanted to clarify my reference to the Arrhenius equation, which I used after the Sun exec I interviewed for the story used it to illustrate what we were...
- Blog posts 2009-01-08
- Some like it hot: Why waste dough cooling down a data center?
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- Discussion threads 2009-01-07
- The bell tolls for your magnetic media
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- Discussion threads 2009-01-04
- Seagate slashes warranty from 5 years to 3 on selected bare drives
- Seagate slashes warranty from 5 years to 3 on selected bare drivesstick to professional productsthus you benefit the 1.2 to 1.6 M hours MTBF ( instead of 0.75 Mhour, and still have the 5 years warranty.No more reasons to stick with Seagate thenThis change just puts Seagate into the same...
- Discussion threads 2008-12-12
- Dell: How bad is it?
- Dell: How bad is it?They're advertising is shot, tooThe holiday radio ads targeted at businesses are abysmal. Carolers singing about getting "trendy desktops?" Apparently they ditched the real ad agency and hired a bunch of people off the street who just watched the latest iteration of High School...
- Discussion threads 2008-11-19
- Where flash belongs
- Where flash belongsTo replace floppy, CDs and DVDsFlash has very short write-life expectancy. So it's not suitable for hard disk replacement. If you have big capacicity flash, you won't be able to use to store many small files. It will burnt up the write limit quickly.So it will be usefule...
- Discussion threads 2008-11-11
- Sun brings open source and virtualization to K12
- Sun brings open source and virtualization to K12Thin Clients do offer many advantagesSome other hard data might be interesting, such as*total* electrical load up? down? (servers + clients)*total cost of ownership* up? down? (last time I looked, the costs would be less, but that was for an HP systemMTBF? up?...
- Discussion threads 2008-10-16
- FAA outage due to 'fix-on-fail' policy
- FAA outage due to 'fix-on-fail' policyThis is a surprise???Is anyone surprised that the government holds itself to a lower standard than anyone it regulates? Congress routinely exempts itself from laws that everyone else has to follow. Can you imagine the airlines being allowed to use such a policy on aircraft?...
- Discussion threads 2008-09-02
- In-class computers vs. labs
- In-class computers vs. labswhat happened to the "teaching"Your article left out the teaching aspect. When teaching to a group, via a full lab, isn't attention span better or at least better managed? Isn't individual progress to an assigned task more measurable?Didn't Dell have a program where 2-3 clusters of computers...
- Discussion threads 2008-06-27
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