Sorry if I shouldn't post here - I have Mandriva 2008 - feel free to delete my
post.
I want to add my 2 cents (did not see that mentioned when browsing through this
discussion).
I manage to destroy (as in works now randomly, with a lot of noise and only for
around 5 minutes) two external 500GB HDD's in only one night.
What I did - I tried to backup my internal HDD by copying it to the external
HDD's. Since I selected separately which directories go on which HDD, I had 6
parallel copy commands from the internal HDD (3 parallel copy streams to each
external HDD). I know it's stupid (and more slow), but I thought it would
complete during the night.
In the morning both external disks were clicking like mad and the copies were
stalled a little after the middle.
The internal HDD is still ok.
The extenal HDD's were a Samsung and a Hitachi HDT725050VLAT80, put in the
same type of enclosure - (ACR-HD1098).
I thought first that the problem was due to trying to copy too much (and too
many streams) at once. Now (after extensive googling for 2 weeks and one lucky
search term today) it appears to me that it's the same bug mentioned here, but
I don't understand why it would affect an external drive more than an internal
one.
On the internal drive I have
193 Load_Cycle_Count 0x0032 195 195 000 Old_age Always
- 16832
3 Spin_Up_Time 0x0003 253 184 021 Pre-fail Always -
4141
4 Start_Stop_Count 0x0032 100 100 000 Old_age Always -
295
Cannot get the counters from the external drives, but they do click like
hell when they are working (once every 5 - seconds when I start them and
they don't work, 5 or 6 time/minute at the lucky restart on which they
work for more than 5 minutes):
Device: Hitachi HDT725050VLAT80 Version:
scsiModePageOffset: response length too short, resp_len=4 offset=4 bd_len=0
>> Terminate command early due to bad response to IEC mode page
A mandatory SMART command failed: exiting. To continue, add one or more '-T
permissive' options
With -T verypermissive I get:
Error Counter logging not supported
Device does not support Self Test logging
Similar with the Samsung.
If I have the same bug, I did not see anyone mentioning that internal/external
drives can be differently affected on the same system.
Hope that answers also Mark Baas question if it affects external drives - only
external drives are affected on my system.
Any comment would be appreciated.
--
High frequency of load/unload cycles on some hard disks may shorten lifetime
https://bugs.launchpad.net/bugs/59695
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