Re: Implementing low level timeouts within MD

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"Doug" == Doug Ledford [off-list ref] writes:

Doug> This isn't an md problem, this is a low level disk driver
Doug> problem.  Yell at the author of the disk driver in question.  If
Doug> that driver doesn't time things out and return errors up the
Doug> stack in a reasonable time, then it's broken.  Md should not,
Doug> and realistically can not, take the place of a properly written
Doug> low level driver.

I agree with Doug: nothing prevents you from using md above very slow
drivers (such as remote disks or even a filesystem implemented over a
tape device to make it extreme). Only the low-level drivers know when
it is appropriate to timeout or fail.

  Sam
-- 
Samuel Tardieu -- sam@rfc1149.net -- http://www.rfc1149.net/