Hello, On Thu, Dec 23, 2010 at 01:29:14PM -0600, Stan Hoeppner wrote: > Petre Rodan put forth on 12/23/2010 10:55 AM: > > > this hard drive has exceeded it's 300k load/unload maximum from the specs in only 140 days, which means it was woken up every 30s or so. not willingly. > > Contact WD and request a warranty replacement for the drive due to > exceeding the spec'd cycle max in less than 6 months. They may not > honor your request. Whether they do or not, I'd replace the drive as > the mechanism obviously has too much wear on it already, and within one > year of use will have well over double the spec'd cycles. If you > replace it with another 20EARS, replace the firmware immediately as > mentioned below to decrease the load/unload rate. (It would be nice if > they offered the ability to disable the sleep mode totally, but then it > wouldn't be "green" pfft). thanks for your input. I did run wdidle3 on that drive two days ago stopping the nonsense. but my original mail had a different target really. I have to recognize that I don't know much about the inner-workings of a filesystem, but I find it odd that once there is no input from the outside, a process keeps writing to the drive indefinitely. in my very narrow thinking the fact that these writes dissapear after a remount would prove their redundance. to wrap it up, I see no logic to the above and this is why I ask the list to tell me if this is a. something that can easily be fixed via an option I failed to find b. a critical part of xfs's internals that cannot be 'disabled' (with a short explanation) c. simply a bug with the little side-story with the WD 20EARS i was just portraying where this default behaviour can get to. I don't usually read marketing material, but WD acknowledges that their green drives are wrecked in Linux and they simply encourage customers to change their OS. I just have to ask why have we got to get to this point. the drive I was trying to get into standby in the first half of my mail is a different one, an enterprise ST31000340NS placed on an otherwise low power ProLiant MicroServer. Having 8W*12h*30 = 2880 Wh less to pay per hdd per month would be easily achievable if the standby mode would be reached when possible. cheers, peter _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
