On 18/2/07 4:56, "Akhilesh Mritunjai" <[EMAIL PROTECTED]> wrote:
> Hi Folks > > I believe that the word would have gone around already, Google engineers have > published a paper on disk reliability. It might supplement the ZFS FMA > integration and well - all the numerous debates on spares etc etc over here. > > To quote /. > > "The Google engineers just published a paper on Failure Trends in a Large Disk > Drive Population. Based on a study of 100,000 disk drives over 5 years they > find some interesting stuff. To quote from the abstract: 'Our analysis > identifies several parameters from the drive's self monitoring facility > (SMART) that correlate highly with failures. Despite this high correlation, we > conclude that models based on SMART parameters alone are unlikely to be useful > for predicting individual drive failures. Surprisingly, we found that > temperature and activity levels were much less correlated with drive failures > than previously reported.'" > > Link to the paper is http://labs.google.com/papers/disk_failures.pdf There was another similar paper (written at CMU) given at the same conference: <http://www.cs.cmu.edu/~bianca/fast07.pdf> Cheers, Chris _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
