Re: Migrating system from u-sd to nvme memory on arm64's?
On 14/7/23 06:25, Stefan Monnier wrote:
It's not obvious how to translate that to "30%".
Jeremy? Do you remember what data made it possible to get this 30% estimate?
Further to my previous reply, I ran this on my SBC lan server. I'm
certain the power on hours is wrong as it's been 100% for 2-3 years. Not
that is does much other than handle mail and act as a DNS secondary so
0% wear (100% available spare)
sudo nvme list
Node SN Model Namespace
Usage Format FW Rev
---------------- --------------------
---------------------------------------- ---------
-------------------------- ---------------- --------
/dev/nvme0n1 S4EUNJ0N451054H Samsung SSD 970 EVO Plus
250GB 1 26.86 GB / 250.06 GB 512 B + 0 B
2B2QEXM7
root@sentinel:/var/s3# sudo nvme smart-log /dev/nvme0n1
Smart Log for NVME device:nvme0n1 namespace-id:ffffffff
critical_warning : 0
temperature : 40 C
available_spare : 100%
available_spare_threshold : 10%
percentage_used : 0%
endurance group critical warning summary: 0
data_units_read : 196,248
data_units_written : 1,441,922
host_read_commands : 2,719,492
host_write_commands : 73,956,721
controller_busy_time : 119
power_cycles : 37
power_on_hours : 373
unsafe_shutdowns : 18
media_errors : 0
num_err_log_entries : 35
Warning Temperature Time : 0
Critical Composite Temperature Time : 0
Temperature Sensor 1 : 40 C
Temperature Sensor 2 : 41 C
Thermal Management T1 Trans Count : 0
Thermal Management T2 Trans Count : 0
Thermal Management T1 Total Time : 0
Thermal Management T2 Total Time : 0
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