I haven't seen that either... Often the RAID arrays come new with one batch of drives all of the same make/model and over time the replacements come from different lots. For example, a new RAID array may have all Seagate drives, and as they fail we may get another make/model as a replacement.
On Sun, May 20, 2012 at 3:02 PM, Dan Penoff <lwb...@yahoo.com> wrote: > Not sure I would agree with the assumption that if one fails the other > will be close behind. > > One of the pieces of equipment I manage in our data center is one of a > number of SANs, which contain literally hundreds of hard drives. I can > attest to the fact that they are all from the same manufacturing lot and > that failures, when they do occur, are rare. > > I would tend to say the same about our RAIDs and MSAs as well. When you > see a failure you don't start to see other drives in the same lot fail > shortly after. > > I'll check to see how many drives we have in our larger SANs and report > back. I think it's a couple hundred, but I'm not sure of the exact number. > > And I would add that these are all enterprise grade drives, too. Using a > tool called HP-SIM and a component known as RSA, when we do have a failure > the device "phones home" and the HP guy is on our doorstep, part in hand, > in under four hours - 24/7, 365. I won't say what we pay for > this level of service, but it ain't cheap. > > Dan > > _______________________________________ > http://www.okiebenz.com > For new and used parts go to www.okiebenz.com > To search list archives http://www.okiebenz.com/archive/ > > To Unsubscribe or change delivery options go to: > http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > _______________________________________ http://www.okiebenz.com For new and used parts go to www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
