root@server6:/mnt# nvme id-ns -H /dev/nvme0n1 | grep "Relative Performance"
LBA Format  0 : Metadata Size: 0   bytes - Data Size: 512 bytes - Relative Performance: 0 Best (in use)

root@server6:/mnt# nvme id-ns -H /dev/nvme1n1 | grep "Relative Performance"
LBA Format  0 : Metadata Size: 0   bytes - Data Size: 512 bytes - Relative Performance: 0x2 Good (in use)
LBA Format  1 : Metadata Size: 0   bytes - Data Size: 4096 bytes - Relative Performance: 0x1 Better

root@server6:/mnt# lsblk -td
NAME    ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED RQ-SIZE  RA WSAME
nvme1n1         0  32768 262144     512     512    0 none     1023 512    0B
nvme0n1         0    512      0     512     512    0 none      255 128    0B

nvme format --lbaf=1 /dev/nvme1n1

root@server6:/# lsblk -td
NAME    ALIGNMENT MIN-IO OPT-IO PHY-SEC LOG-SEC ROTA SCHED RQ-SIZE  RA WSAME
nvme1n1         0  32768 262144    4096    4096    0 none     1023 512    0B
nvme0n1         0    512      0     512     512    0 none      255 128    0B

root@server6:/# nvme id-ns -H /dev/nvme1n1 | grep "Relative Performance"
LBA Format  0 : Metadata Size: 0   bytes - Data Size: 512 bytes - Relative Performance: 0x2 Good
LBA Format  1 : Metadata Size: 0   bytes - Data Size: 4096 bytes - Relative Performance: 0x1 Better (in use)

root@server6:/# smartctl -a /dev/nvme1n1
smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.11.0-25-generic] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number:                       WD_BLACK SN850X 8000GB
Serial Number:                      2448C94A0B05
Firmware Version:                   638201WD
PCI Vendor/Subsystem ID:            0x15b7
IEEE OUI Identifier:                0x001b44
Total NVM Capacity:                 8,001,563,222,016 [8.00 TB]
Unallocated NVM Capacity:           0
Controller ID:                      1
NVMe Version:                       2.0
Number of Namespaces:               1
Namespace 1 Size/Capacity:          8,001,563,222,016 [8.00 TB]
Namespace 1 Formatted LBA Size:     4096
Namespace 1 IEEE EUI-64:            001b44 4a41227a24
Local Time is:                      Mon May 12 12:33:16 2025 UTC
Firmware Updates (0x14):            2 Slots, no Reset required
Optional Admin Commands (0x0017):   Security Format Frmw_DL Self_Test
Optional NVM Commands (0x00df):     Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat Timestmp Verify
Log Page Attributes (0x3e):         Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg Pers_Ev_Lg Log0_FISE_MI
Maximum Data Transfer Size:         128 Pages
Warning  Comp. Temp. Threshold:     90 Celsius
Critical Comp. Temp. Threshold:     94 Celsius
Namespace 1 Features (0x92):        NA_Fields NP_Fields *Other*

Supported Power States
St Op     Max   Active     Idle   RL RT WL WT  Ent_Lat  Ex_Lat
 0 +     8.25W    8.25W       -    0  0  0  0        0       0
 1 +     4.00W    4.00W       -    0  0  0  0        0       0
 2 +     3.40W    3.40W       -    0  0  0  0        0       0
 3 -   0.0300W       -        -    3  3  3  3     5000   11000
 4 -   0.0035W       -        -    4  4  4  4     6000   52000

Supported LBA Sizes (NSID 0x1)
Id Fmt  Data  Metadt  Rel_Perf
 0 -     512       0         2
 1 +    4096       0         1

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02)
Critical Warning:                   0x00
Temperature:                        56 Celsius
Available Spare:                    100%
Available Spare Threshold:          10%
Percentage Used:                    0%
Data Units Read:                    5,856,186 [2.99 TB]
Data Units Written:                 5,881,473 [3.01 TB]
Host Read Commands:                 53,692,552
Host Write Commands:                57,989,341
Controller Busy Time:               35
Power Cycles:                       109
Power On Hours:                     67
Unsafe Shutdowns:                   64
Media and Data Integrity Errors:    0
Error Information Log Entries:      1
Warning  Comp. Temperature Time:    0
Critical Comp. Temperature Time:    0
Temperature Sensor 1:               69 Celsius
Temperature Sensor 2:               48 Celsius
Temperature Sensor 3:               47 Celsius

Error Information (NVMe Log 0x01, 16 of 256 entries)
No Errors Logged

Read Self-test Log failed: Invalid Field in Command (0x4002)