smartctl -x
在我的三星 SSD 860 EVO M.2 2TB 上显示:
Device Statistics (GP Log 0x04)
Page Offset Size Value Flags Description
0x01 ===== = = === == General Statistics (rev 1) ==
0x01 0x008 4 1132 --- Lifetime Power-On Resets
0x01 0x010 4 6584 --- Power-on Hours
0x01 0x018 6 59675855461 --- Logical Sectors Written
0x01 0x020 6 1711777462 --- Number of Write Commands
0x01 0x028 6 51882440157 --- Logical Sectors Read
0x01 0x030 6 1869976194 --- Number of Read Commands
0x01 0x038 6 293000 --- Date and Time TimeStamp
0x04 ===== = = === == General Errors Statistics (rev 1) ==
0x04 0x008 4 0 --- Number of Reported Uncorrectable Errors
0x04 0x010 4 97 --- Resets Between Cmd Acceptance and Completion
0x05 ===== = = === == Temperature Statistics (rev 1) ==
0x05 0x008 1 40 --- Current Temperature
0x05 0x020 1 64 --- Highest Temperature
0x05 0x028 1 18 --- Lowest Temperature
0x05 0x058 1 70 --- Specified Maximum Operating Temperature
0x06 ===== = = === == Transport Statistics (rev 1) ==
0x06 0x008 4 20530 --- Number of Hardware Resets
0x06 0x010 4 0 --- Number of ASR Events
0x06 0x018 4 0 --- Number of Interface CRC Errors
0x07 ===== = = === == Solid State Device Statistics (rev 1) ==
0x07 0x008 1 1 N-- Percentage Used Endurance Indicator
|||_ C monitored condition met
||__ D supports DSN
|___ N normalized value
28TB 的容量听起来有点低,因为我已经拥有这款 NVME 一年了,但这是可以接受的。然而,使用百分比耐久度指标仅为 1%。这意味着这款设备中仍有大约 100 倍或 2800TBW 的剩余容量,这是额定容量 1200TBW 的两倍多,所以这不可能是舍入误差。
smartctl 撒谎了吗?(并不是说它会撒谎;我的意思是,我的 NVME 是否在对 smartctl 撒谎,smartctl 是否误解了我的 NVME,等等?)我如何才能确定我的 NVME 中剩余的实际 TBW 寿命?