[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: USB disk fails when accessed after idle for some hours

On Thu, 29 Jan 2009 22:00:13 +0100, Ron Johnson wrote:

> On 01/29/2009 10:52 AM, Reid Priedhorsky wrote:
>> All,
>> I have a USB disk (a 320GB Western Digital My Passport) which is
>> exhibiting the following problem.
>> When first hooked up and mounted, it works fine. I've successfully
>> transferred 100's of GB onto the disk.
>> However, if left idle for some hours, it fails when accessed, with a
>> spontaneous USB disconnect and reconnect of the device (log excerpts below).
> Could it be going into hibernation or sleep?

hdparm -S0 (turning off spin-down) fixes the problem.

(hdparm -B2555 - turn off advanced power management - doesn't help.)

Thanks for the suggestions, folks!

I am going to set up automount and see if that also helps. I will report
back in a couple of weeks.


Reply to: