[SOLVED] 20X write amplification??

Pextaxmx

Reputable
Jun 15, 2020
418
59
4,840
I have a nearly new Lite-On SATA M.2 drive that shows about 150 GB host writes then the NAND write is over 3 TB... How is this possible? Can anyone explain this?


----------------------------------------------------------------------------
(02) LITEON CV3-8D256
----------------------------------------------------------------------------
Model : LITEON CV3-8D256
Firmware : T886403
Serial Number :
Disk Size : 256.0 GB (8.4/137.4/256.0/----)
Buffer Size : Unknown
Queue Depth : 32
# of Sectors : 500118192
Rotation Rate : ---- (SSD)
Interface : Serial ATA
Major Version : ATA8-ACS
Minor Version : ATA/ATAPI-7 T13 1532D version 4a
Transfer Mode : SATA/600 | SATA/600
Power On Hours : 689 hours
Power On Count : 2682 count
Host Reads : 135 GB
Host Writes : 156 GB
NAND Writes : 3763 GB
Temperature : Unknown
Health Status : Good (100 %)
Features : S.M.A.R.T., NCQ, TRIM, DevSleep
APM Level : ----
AAM Level : ----
Drive Letter : D:

-- S.M.A.R.T. --------------------------------------------------------------
ID Cur Wor Thr RawValues(6) Attribute Name
01 100 100 __0 000000000000 Read Error Rate
05 100 100 __0 000000000000 Reallocated Sectors Count
09 100 100 __0 0000000002B1 Power-On Hours
0C 100 100 __0 000000000A7A Power Cycle Count
AA 100 100 __0 000000000000 Grown Bad Blocks
AB 100 100 __0 000000000000 Program Fail Count (Total)
AC 100 100 __0 000000000000 Erase Fail Count (Total)
AD 100 100 __0 00000000000F Average Program/Erase Count (Total)
AE 100 100 __0 000000000019 Unexpected Power Loss Count
AF 100 100 __0 000000000000 Program Fail Count (Worst Case)
B0 100 100 __0 000000000000 Erase Fail Count (Worst Case)
B2 100 100 __0 000000000000 Used Reserved Block Count (Worst Case)
B3 100 100 __0 000000000000 Used Reserved Block Count (Total)
B4 100 100 __0 000000000450 UnUsed Reserved Block Count (Total)
B5 100 100 __0 000000000000 Program Fail Count (Total)
B6 100 100 __0 000000000000 Erase Fail Count (Total)
B7 100 100 __0 000000000000 SATA Interface Down Shift
C3 100 100 __0 000000000000 ECC rate
E8 100 100 _10 000000000000 Available Reserved Space
E9 100 100 __0 000000000EB3 NAND GB written
F1 100 100 __0 000000001385 Total LBA written
F2 100 100 __0 0000000010F6 Total LBA read

-- IDENTIFY_DEVICE ---------------------------------------------------------
0 1 2 3 4 5 6 7 8 9
000: 0040 3FFF C837 0010 0000 0000 003F 0000 0000 0000
010: 3030 3238 3032 3330 3031 5739 2020 2020 2020 2020
020: 0000 0000 0000 5438 3836 3430 3320 4C49 5445 4F4E
030: 2043 5633 2D38 4432 3536 2020 2020 2020 2020 2020
040: 2020 2020 2020 2020 2020 2020 2020 8001 4000 2F00
050: 4000 0000 0000 0007 3FFF 0010 003F FC10 00FB 0100
060: FFFF 0FFF 0000 0007 0003 0078 0078 0078 0078 0C00
070: 0000 0000 0000 0000 0000 001F 070E 0086 014C 004C
080: 01FE 0021 346B 7D01 4123 3469 BC01 4123 407F 0003
090: 0003 0000 0000 0000 0000 0000 0000 0000 0000 0000
100: 32B0 1DCF 0000 0000 0000 0008 4000 0000 5002 3031
110: 0112 25BE 0000 0000 0000 0000 0000 0000 0000 4010
120: 4010 0000 0000 0000 0000 0000 0000 0000 0029 0000
130: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
140: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
150: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0007
160: 0000 0000 0000 0000 0000 0000 0000 0000 0007 0001
170: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
180: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
190: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
200: 0000 0000 0000 0000 0000 0000 001D 0000 0000 4000
210: 0000 0000 0000 0000 0000 0000 0000 0001 0000 0000
220: 0000 0000 1075 0000 0000 0000 0000 0000 0000 0000
230: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
240: 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
250: 0000 0000 0000 0000 0000 A2A5

-- SMART_READ_DATA ---------------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 01 00 01 2F 00 64 64 00 00 00 00 00 00 00 05 03
010: 00 64 64 00 00 00 00 00 00 00 09 02 00 64 64 B1
020: 02 00 00 00 00 00 0C 03 00 64 64 7A 0A 00 00 00
030: 00 00 AA 32 00 64 64 00 00 00 00 00 00 00 AB 03
040: 00 64 64 00 00 00 00 00 00 00 AC 03 00 64 64 00
050: 00 00 00 00 00 00 AD 03 00 64 64 0F 00 00 00 00
060: 00 00 AE 03 00 64 64 19 00 00 00 00 00 00 AF 03
070: 00 64 64 00 00 00 00 00 00 00 B0 03 00 64 64 00
080: 00 00 00 00 00 00 B2 03 00 64 64 00 00 00 00 00
090: 00 00 B3 03 00 64 64 00 00 00 00 00 00 00 B4 33
0A0: 00 64 64 50 04 00 00 00 00 00 B5 03 00 64 64 00
0B0: 00 00 00 00 00 00 B6 03 00 64 64 00 00 00 00 00
0C0: 00 00 B7 32 00 64 64 00 00 00 00 00 00 00 C3 03
0D0: 00 64 64 00 00 00 00 00 00 00 E8 03 00 64 64 00
0E0: 00 00 00 00 00 00 E9 03 00 64 64 B3 0E 00 00 00
0F0: 00 00 F1 03 00 64 64 85 13 00 00 00 00 00 F2 03
100: 00 64 64 F6 10 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 0A 00 00 15
170: 03 00 01 00 02 16 00 00 00 00 00 00 00 00 00 00
180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 FF

-- SMART_READ_THRESHOLD ----------------------------------------------------
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 +A +B +C +D +E +F
000: 01 00 01 00 00 00 00 00 00 00 00 00 00 00 05 00
010: 00 00 00 00 00 00 00 00 00 00 09 00 00 00 00 00
020: 00 00 00 00 00 00 0C 00 00 00 00 00 00 00 00 00
030: 00 00 AA 00 00 00 00 00 00 00 00 00 00 00 AB 00
040: 00 00 00 00 00 00 00 00 00 00 AC 00 00 00 00 00
050: 00 00 00 00 00 00 AD 00 00 00 00 00 00 00 00 00
060: 00 00 AE 00 00 00 00 00 00 00 00 00 00 00 AF 00
070: 00 00 00 00 00 00 00 00 00 00 B0 00 00 00 00 00
080: 00 00 00 00 00 00 B2 00 00 00 00 00 00 00 00 00
090: 00 00 B3 00 00 00 00 00 00 00 00 00 00 00 B4 00
0A0: 00 00 00 00 00 00 00 00 00 00 B5 00 00 00 00 00
0B0: 00 00 00 00 00 00 B6 00 00 00 00 00 00 00 00 00
0C0: 00 00 B7 00 00 00 00 00 00 00 00 00 00 00 C3 00
0D0: 00 00 00 00 00 00 00 00 00 00 E8 0A 00 00 00 00
0E0: 00 00 00 00 00 00 E9 00 00 00 00 00 00 00 00 00
0F0: 00 00 F1 00 00 00 00 00 00 00 00 00 00 00 F2 00
100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1A0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1B0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1C0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1D0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1E0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
1F0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 6D
 
Last edited:
Solution
I would take a 10GB test file and write it to your SSD. Monitor the SMART attributes immediately before and after. This will tell you whether the attributes are being interpreted correctly.

Lutfij

Titan
Moderator
How old is nearly new ? Might want to also state what sort of apps the SSD is installed with and what sort of app's are in your startup. Often times a memory leak can and will cause the excessive read/write counts, meaning this could be an OS bug. Speaking of, what OS are you on?
 

Pextaxmx

Reputable
Jun 15, 2020
418
59
4,840
factory installed Windows on a new laptop, and was not really used for any real work. Seen lots of turn on just for checking external storage contents.
"Nearly new" I meant by not seeing much writes after the factory install of Windows 10.
Never connected to internet either. (no Windows updates since new)