On Thu, 2009-10-08 at 14:42 +0200, Paolo Sala wrote: > Hi Ben, why you say that the hd is failing? Smartctl doesn't agree with you: > > proDFS:~# smartctl -H /dev/hda > > smartctl version 5.38 [i686-pc-linux-gnu] Copyright (C) 2002-8 Bruce Allen > > Home page is http://smartmontools.sourceforge.net/ > > > > === START OF READ SMART DATA SECTION === > > SMART overall-health self-assessment test result: PASSED > > Perhaps you have reason but I would like to know how you can affirm that.
SMART allows the drive's firmware to report various statistics that can indicate a pending failure. But it does not provide a reliable warning of failure. This drive model is quite old and could be expected to fail soon. > Furthermore I can't understand why if I set dma (hdparm -d1 /dev/hda) > on, the dma is on even after a reboot; and why if I shut down the pc > when I power up again the dma is off again... your conclusion is the hd > is failing? The IDE driver will automatically disable DMA after repeated errors. Ben. -- Ben Hutchings To err is human; to really foul things up requires a computer.
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