[mythtv-users] Hard drive failure -- recovery method suggestions

Mark Perkins perkins1724 at hotmail.com
Tue Apr 28 16:10:41 UTC 2015



> On 28 Apr 2015, at 11:52 pm, "Jerry" <mythtv at hambone.e4ward.com> wrote:
> 
>> On Tue, Apr 28, 2015 at 9:57 AM, Hika van den Hoven <hikavdh at gmail.com> wrote:
>> Hoi Jerry,
>> 
>> Tuesday, April 28, 2015, 3:50:34 PM, you wrote:
>> 
>> > On Tue, Apr 28, 2015 at 9:41 AM, Mark Perkins <perkins1724 at hotmail.com>
>> > wrote:
>> 
>> >>
>> >> IIRC you currently have the HDD in a USB enclosure - are you sure the USB
>> >> enclosure is not messing with things? Have you tried putting it back onto a
>> >> SATA port again, maybe on a different PC?
>> >>
>> 
>> > I just plugged it into the same alternate machine by the SATA cable.  I got
>> > the same result as seen below:
>> 
>> > [root at htpc ~]# smartctl -i /dev/sdd
>> > smartctl 6.2 2014-07-16 r3952 [x86_64-linux-3.19.5-200.fc21.x86_64] (local
>> > build)
>> > Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
>> 
>> > === START OF INFORMATION SECTION ===
>> > Device Model:     ST3000DM001
>> > Serial Number:    <serial number>
>> > LU WWN Device Id: 5 000c50 04edd0b44
>> > Firmware Version: CC29
>> > User Capacity:    137,438,952,960 bytes [137 GB]
>> > Sector Size:      512 bytes logical/physical
>> > Rotation Rate:    7200 rpm
>> > Device is:        Not in smartctl database [for details use: -P showall]
>> > ATA Version is:   ATA8-ACS T13/1699-D revision 4
>> > SATA Version is:  SATA 3.0, 6.0 Gb/s
>> > Local Time is:    Tue Apr 28 09:47:15 2015 EDT
>> > SMART support is: Available - device has SMART capability.
>> > SMART support is: Enabled
>> 
>> > It was worth a shot. :)
>> 
>> > Jerry
>> 
>> 137 GB is an old BIOS limit. So it gets its size from the bios, not
>> from the drive. I guess.
> 
> That may very well be the case.  But this is what my new drive shows in my backend.  Note that is is not the machine I have been using to get the other SMART data.
> 
> [root at backend ~]# smartctl -i /dev/sdb
> smartctl 6.2 2014-07-16 r3952 [x86_64-linux-3.19.5-200.fc21.x86_64] (local build)
> Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
> 
> === START OF INFORMATION SECTION ===
> Model Family:     Seagate Barracuda 7200.14 (AF)
> Device Model:     ST3000DM001-1CH166
> Serial Number:    <serial number>
> LU WWN Device Id: 5 000c50 065267225
> Firmware Version: CC27
> User Capacity:    3,000,592,982,016 bytes [3.00 TB]
> Sector Sizes:     512 bytes logical, 4096 bytes physical
> Rotation Rate:    7200 rpm
> Device is:        In smartctl database [for details use: -P show]
> ATA Version is:   ACS-2, ACS-3 T13/2161-D revision 3b
> SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 6.0 Gb/s)
> Local Time is:    Tue Apr 28 10:16:55 2015 EDT
> SMART support is: Available - device has SMART capability.
> SMART support is: Enabled
> 
> On another note, wouldn't I have to reconstruct the MBR to resurrect the failing drive?  I don't have a backup copy of my partition table.  I know that there are three partitions but I am ignorant as to their exact geometry, or even which one comes first.
> _______________________________________________

I believe testdisk can be used to recover the MBR and partition tables, if you wanted to try. Wouldn't take a lot of time to try and would be interesting to know.
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