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Spare SSD anybody?


From: David Kastrup
Subject: Spare SSD anybody?
Date: Wed, 01 Jun 2016 10:35:30 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1.50 (gnu/linux)

Hi,

my current development SSD, graciously donated by James, currently has
the following readings:

Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  
WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   099   099   ---    Pre-fail  Always       
-       13
  9 Power_On_Hours          0x0032   094   094   ---    Old_age   Always       
-       25748
 12 Power_Cycle_Count       0x0032   093   093   ---    Old_age   Always       
-       6196
175 Program_Fail_Count_Chip 0x0032   099   099   ---    Old_age   Always       
-       9
176 Erase_Fail_Count_Chip   0x0032   100   100   ---    Old_age   Always       
-       0
177 Wear_Leveling_Count     0x0013   085   085   ---    Pre-fail  Always       
-       545
178 Used_Rsvd_Blk_Cnt_Chip  0x0013   077   077   ---    Pre-fail  Always       
-       450
179 Used_Rsvd_Blk_Cnt_Tot   0x0013   079   079   ---    Pre-fail  Always       
-       844
180 Unused_Rsvd_Blk_Cnt_Tot 0x0013   079   079   ---    Pre-fail  Always       
-       3188
181 Program_Fail_Cnt_Total  0x0032   099   099   ---    Old_age   Always       
-       13
182 Erase_Fail_Count_Total  0x0032   100   100   ---    Old_age   Always       
-       0
183 Runtime_Bad_Block       0x0013   099   099   ---    Pre-fail  Always       
-       13
187 Uncorrectable_Error_Cnt 0x0032   100   100   ---    Old_age   Always       
-       0
195 ECC_Error_Rate          0x001a   200   200   ---    Old_age   Always       
-       0
198 Offline_Uncorrectable   0x0030   100   100   ---    Old_age   Offline      
-       0
199 CRC_Error_Count         0x003e   253   253   ---    Old_age   Always       
-       0
232 Available_Reservd_Space 0x0013   077   077   ---    Pre-fail  Always       
-       1566
241 Total_LBAs_Written      0x0032   032   032   ---    Old_age   Always       
-       2933093682
242 Total_LBAs_Read         0x0032   058   058   ---    Old_age   Always       
-       1798843749

In the interest of continuity, it seems like a good idea to replace it
soon.  I might return to a rotating disk (which has quite less wear but
is more sensitive to movement, draws more current, and of course is
slower).  After changing my kernel to 64bit, I am currently in the
situation that the computer will no longer wake successfully from sleep
mode (screen stays black), so I have to use hibernation instead.  That's
nice on the battery but sloshes out gigabytes of memory to disk each
time.  So it's not really helping with regard to SSD wear.  I don't have
all that much free capacity either, so what I have is being cycled
often.

Anybody with something to spare?  The current size I have is 120GB.

-- 
David Kastrup



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