Hard Disk Failure Much Higher than Reported
Posted by: [NT] on: 03/03/2007 08:49 PM [ Print | 1 comment(s) ] · 3299 views
Carnegie Mellon University recently conducted a study that found that HD failure rates are actually much higher than reported. If you are in the market for a new drive, I?d suggest giving this one a good read.
The Carnegie Mellon study examined large production systems, including high-performance computing sites and Internet services sites running SCSI, FC and SATA drives. The data sheets for those drives listed MTTF between 1 million to 1.5 million hours, which the study said should mean annual failure rates "of at most 0.88%." However, the study showed typical annual replacement rates of between 2% and 4%, "and up to 13% observed on some systems." HardOCP
The Carnegie Mellon study examined large production systems, including high-performance computing sites and Internet services sites running SCSI, FC and SATA drives. The data sheets for those drives listed MTTF between 1 million to 1.5 million hours, which the study said should mean annual failure rates "of at most 0.88%." However, the study showed typical annual replacement rates of between 2% and 4%, "and up to 13% observed on some systems." HardOCP
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Comment
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bonus Unregistered |
#66085 Posted on: 03/04/2007 08:47 PM
Lame link and terrible description. So I shouldn't buy fibre channel for my next hard drive ? Whoa, thanks that was helpful. |
