it is the O_PONIES issue again!

Posted May 10, 2019 0:01 UTC (Fri) by miquels (guest, #59247)
In reply to: it is the O_PONIES issue again! by naptastic
Parent article: Issues around discard

I have several SSDs in production that have written not 700 TB, but 7600 TB. In 4 years' time. Datacentre SSDs FTW :)

=== START OF INFORMATION SECTION ===
Device Model:     Samsung SSD 845DC PRO 800GB
User Capacity:    800,166,076,416 bytes [800 GB]
Sector Size:      512 bytes logical/physical

SMART Attributes Data Structure revision number: 1
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
  5 Reallocated_Sector_Ct   PO--CK   099   099   010    -    3
  9 Power_On_Hours          -O--CK   093   093   000    -    34281
 12 Power_Cycle_Count       -O--CK   099   099   000    -    4
177 Wear_Leveling_Count     PO--C-   076   076   005    -    9158
179 Used_Rsvd_Blk_Cnt_Tot   PO--C-   099   099   010    -    3
180 Unused_Rsvd_Blk_Cnt_Tot PO--C-   099   099   010    -    7037
241 Total_LBAs_Written      -O--CK   094   094   000    -    16410885339592
242 Total_LBAs_Read         -O--CK   097   097   000    -    7734700749043
250 Read_Error_Retry_Rate   -O--CK   100   100   001    -    0