# nvme list -v Subsystem Subsystem-NQN Controllers ---------------- ------------------------------------------------------------------------------------------------ ---------------- nvme-subsys0 nqn.1994-11.com.samsung:nvme:PM1735:2.5-inch:S6EUNA0R500358 nvme0 Device Cntlid SN MN FR TxPort Address Slot Subsystem Namespaces ---------------- ------ -------------------- ---------------------------------------- -------- ------ -------------- ------ ------------ ---------------- nvme0 65 S6EUNA0R500358 1.6TB NVMe Gen4 U.2 SSD REV.SN49 pcie 0018:01:00.0 U78D4.ND0.WZS0021-P1-C8 nvme-subsys0 nvme0n1 Device Generic NSID Usage Format Controllers ----------------- ----------------- ---------- -------------------------- ---------------- ---------------- /dev/nvme0n1 /dev/ng0n1 0x1 5.75 GB / 5.75 GB 4 KiB + 8 B nvme0 # nvme id-ctrl /dev/nvme0 -H NVME Identify Controller: vid : 0x144d ssvid : 0x1014 sn : S6EUNA0R500358 mn : 1.6TB NVMe Gen4 U.2 SSD fr : REV.SN49 rab : 8 ieee : 002538 cmic : 0x3 [3:3] : 0 ANA not supported [2:2] : 0 PCI [1:1] : 0x1 Multi Controller [0:0] : 0x1 Multi Port mdts : 0 cntlid : 0x41 ver : 0x10300 rtd3r : 0xe4e1c0 rtd3e : 0x989680 oaes : 0x300 [31:31] : 0 Discovery Log Change Notice Not Supported [27:27] : 0 Zone Descriptor Changed Notices Not Supported [16:16] : 0 Temperature Threshold Hysteresis Recovery Not Supported [15:15] : 0 Normal NSS Shutdown Event Not Supported [14:14] : 0 Endurance Group Event Aggregate Log Page Change Notice Not Supported [13:13] : 0 LBA Status Information Notices Not Supported [12:12] : 0 Predictable Latency Event Aggregate Log Change Notices Not Supported [11:11] : 0 Asymmetric Namespace Access Change Notices Not Supported [9:9] : 0x1 Firmware Activation Notices Supported [8:8] : 0x1 Namespace Attribute Changed Event Supported ctratt : 0 [19:19] : 0 Flexible Data Placement Not Supported [17:17] : 0 HMB Restrict Non-Operational Power State Access Not Supported [16:16] : 0 MDTS and Size Limits Exclude Metadata Not Supported [15:15] : 0 Extended LBA Formats Not Supported [14:14] : 0 Delete NVM Set Not Supported [13:13] : 0 Delete Endurance Group Not Supported [12:12] : 0 Variable Capacity Management Not Supported [11:11] : 0 Fixed Capacity Management Not Supported [10:10] : 0 Multi Domain Subsystem Not Supported [9:9] : 0 UUID List Not Supported [8:8] : 0 SQ Associations Not Supported [7:7] : 0 Namespace Granularity Not Supported [6:6] : 0 Traffic Based Keep Alive Not Supported [5:5] : 0 Predictable Latency Mode Not Supported [4:4] : 0 Endurance Groups Not Supported [3:3] : 0 Read Recovery Levels Not Supported [2:2] : 0 NVM Sets Not Supported [1:1] : 0 Non-Operational Power State Permissive Not Supported [0:0] : 0 128-bit Host Identifier Not Supported rrls : 0 cntrltype : 0 [7:2] : 0 Reserved [1:0] : 0 Controller type not reported fguid : 00000000-0000-0000-0000-000000000000 crdt1 : 0 crdt2 : 0 crdt3 : 0 nvmsr : 1 [1:1] : 0 NVM subsystem Not part of an Enclosure [0:0] : 0x1 NVM subsystem part of a Storage Device vwci : 255 [7:7] : 0x1 VPD Write Cycles Remaining field is valid. [6:0] : 0xfe VPD Write Cycles Remaining mec : 0 [1:1] : 0 NVM subsystem Not contains a Management Endpoint on a PCIe port [0:0] : 0 NVM subsystem Not contains a Management Endpoint on an SMBus/I2C port oacs : 0x5f [10:10] : 0 Lockdown Command and Feature Not Supported [9:9] : 0 Get LBA Status Capability Not Supported [8:8] : 0 Doorbell Buffer Config Not Supported [7:7] : 0 Virtualization Management Not Supported [6:6] : 0x1 NVMe-MI Send and Receive Supported [5:5] : 0 Directives Not Supported [4:4] : 0x1 Device Self-test Supported [3:3] : 0x1 NS Management and Attachment Supported [2:2] : 0x1 FW Commit and Download Supported [1:1] : 0x1 Format NVM Supported [0:0] : 0x1 Security Send and Receive Supported acl : 127 aerl : 15 frmw : 0x16 [5:5] : 0 Multiple FW or Boot Update Detection Not Supported [4:4] : 0x1 Firmware Activate Without Reset Supported [3:1] : 0x3 Number of Firmware Slots [0:0] : 0 Firmware Slot 1 Read/Write lpa : 0x1e [6:6] : 0 Telemetry Log Data Area 4 Not Supported [5:5] : 0 LID 0x0, Scope of each command in LID 0x5, 0x12, 0x13 Not Supported [4:4] : 0x1 Persistent Event log Supported [3:3] : 0x1 Telemetry host/controller initiated log page Supported [2:2] : 0x1 Extended data for Get Log Page Supported [1:1] : 0x1 Command Effects Log Page Supported [0:0] : 0 SMART/Health Log Page per NS Not Supported elpe : 255 [7:0] : 255 (0's based) Error Log Page Entries (ELPE) npss : 2 [7:0] : 2 (0's based) Number of Power States Support (NPSS) avscc : 0x1 [0:0] : 0x1 Admin Vendor Specific Commands uses NVMe Format apsta : 0 [0:0] : 0 Autonomous Power State Transitions Not Supported wctemp : 345 [15:0] : 72 °C (345 K) Warning Composite Temperature Threshold (WCTEMP) cctemp : 358 [15:0] : 85 °C (358 K) Critical Composite Temperature Threshold (CCTEMP) mtfa : 130 hmpre : 0 hmmin : 0 tnvmcap : 1600321314816 [127:0] : 1600321314816 Total NVM Capacity (TNVMCAP) unvmcap : 1594569523200 [127:0] : 1594569523200 Unallocated NVM Capacity (UNVMCAP) rpmbs : 0 [31:24]: 0 Access Size [23:16]: 0 Total Size [5:3] : 0 Authentication Method [2:0] : 0 Number of RPMB Units edstt : 2 dsto : 1 fwug : 255 kas : 10 hctma : 0 [0:0] : 0 Host Controlled Thermal Management Not Supported mntmt : 0 [15:0] : -273 °C (0 K) Minimum Thermal Management Temperature (MNTMT) mxtmt : 0 [15:0] : -273 °C (0 K) Maximum Thermal Management Temperature (MXTMT) sanicap : 0x3 [31:30] : 0 Additional media modification after sanitize operation completes successfully is not defined [29:29] : 0 No-Deallocate After Sanitize bit in Sanitize command Supported [3:3] : 0 Media Verification and Post-Verification Deallocation state Not Supported [2:2] : 0 Overwrite Sanitize Operation Not Supported [1:1] : 0x1 Block Erase Sanitize Operation Supported [0:0] : 0x1 Crypto Erase Sanitize Operation Supported hmminds : 0 hmmaxd : 0 nsetidmax : 0 endgidmax : 0 anatt : 0 anacap : 0 [7:7] : 0 Non-zero group ID Not Supported [6:6] : 0 Group ID does change [4:4] : 0 ANA Change state Not Supported [3:3] : 0 ANA Persistent Loss state Not Supported [2:2] : 0 ANA Inaccessible state Not Supported [1:1] : 0 ANA Non-optimized state Not Supported [0:0] : 0 ANA Optimized state Not Supported anagrpmax : 0 nanagrpid : 0 pels : 80 domainid : 0 megcap : 0 tmpthha : 0 [2:0] : 0 Temperature Threshold Maximum Hysteresis sqes : 0x66 [7:4] : 0x6 Max SQ Entry Size (64) [3:0] : 0x6 Min SQ Entry Size (64) cqes : 0x44 [7:4] : 0x4 Max CQ Entry Size (16) [3:0] : 0x4 Min CQ Entry Size (16) maxcmd : 0 nn : 64 oncs : 0x7f [10:10] : 0 All Fast Copy Not Supported [9:9] : 0 Copy Single Atomicity Not Supported [8:8] : 0 Copy Not Supported [7:7] : 0 Verify Not Supported [6:6] : 0x1 Timestamp Supported [5:5] : 0x1 Reservations Supported [4:4] : 0x1 Save and Select Supported [3:3] : 0x1 Write Zeroes Supported [2:2] : 0x1 Data Set Management Supported [1:1] : 0x1 Write Uncorrectable Supported [0:0] : 0x1 Compare Supported fuses : 0 [0:0] : 0 Fused Compare and Write Not Supported fna : 0x4 [3:3] : 0 Format NVM Broadcast NSID (FFFFFFFFh) Supported [2:2] : 0x1 Crypto Erase Supported as part of Secure Erase [1:1] : 0 Crypto Erase Applies to Single Namespace(s) [0:0] : 0 Format Applies to Single Namespace(s) vwc : 0 [2:1] : 0 Support for the NSID field set to FFFFFFFFh is not indicated [0:0] : 0 Volatile Write Cache Not Present awun : 65535 awupf : 0 icsvscc : 1 [0:0] : 0x1 NVM Vendor Specific Commands uses NVMe Format nwpc : 0 [2:2] : 0 Permanent Write Protect Not Supported [1:1] : 0 Write Protect Until Power Supply Not Supported [0:0] : 0 No Write Protect and Write Protect Namespace Not Supported acwu : 0 ocfs : 0 [3:3] : 0 Controller Copy Format 3h Not Supported [2:2] : 0 Controller Copy Format 2h Not Supported [1:1] : 0 Controller Copy Format 1h Not Supported [0:0] : 0 Controller Copy Format 0h Not Supported sgls : 0xf0002 [21:21]: 0 Transport SGL Data Block Descriptor Not Supported [20:20]: 0 Address Offsets Not Supported [19:19]: 0x1 Metadata Pointer Containing SGL Descriptor is Supported [18:18]: 0x1 SGL Length Larger than Buffer Supported [17:17]: 0x1 Byte-Aligned Contig. MD Buffer Supported [16:16]: 0x1 SGL Bit-Bucket Supported [15:8] : 0 SGL Descriptor Threshold [2:2] : 0 Keyed SGL Data Block descriptor Not Supported [1:0] : 0x2 Scatter-Gather Lists Supported. Dword alignment required. mnan : 0 maxdna : 0 maxcna : 0 oaqd : 0 subnqn : nqn.1994-11.com.samsung:nvme:PM1735:2.5-inch:S6EUNA0R500358 ioccsz : 0 iorcsz : 0 icdoff : 0 fcatt : 0 [0:0] : 0 Dynamic Controller Model msdbd : 0 ofcs : 0 [0:0] : 0 Disconnect command Not Supported ps 0 : mp:25.00W operational enlat:180 exlat:180 rrt:0 rrl:0 rwt:0 rwl:0 idle_power:7.00W active_power:15.00W active_power_workload:80K 128KiB SW ps 1 : mp:18.00W operational enlat:180 exlat:180 rrt:1 rrl:1 rwt:1 rwl:1 idle_power:7.00W active_power:15.00W active_power_workload:80K 128KiB SW ps 2 : mp:12.00W operational enlat:180 exlat:180 rrt:2 rrl:2 rwt:2 rwl:2 idle_power:7.00W active_power:12.00W active_power_workload:80K 128KiB SW # nvme id-ns /dev/nvme0n1 -H NVME Identify Namespace 1: nsze : 0x156d56 ncap : 0x156d56 nuse : 0x156d56 nsfeat : 0 [5:4] : 0 NPWG, NPWA, NPDG, NPDGL, NPDA, and NOWS are Not Supported [3:3] : 0 NGUID and EUI64 fields if non-zero, Reused [2:2] : 0 Deallocated or Unwritten Logical Block error Not Supported [1:1] : 0 Namespace uses AWUN, AWUPF, and ACWU [0:0] : 0 Thin Provisioning Not Supported nlbaf : 4 flbas : 0x1 [6:5] : 0 Most significant 2 bits of Current LBA Format Selected [4:4] : 0 Metadata Transferred in Separate Contiguous Buffer [3:0] : 0x1 Least significant 4 bits of Current LBA Format Selected mc : 0x3 [1:1] : 0x1 Metadata Pointer Supported [0:0] : 0x1 Metadata as Part of Extended Data LBA Supported dpc : 0x1f [4:4] : 0x1 Protection Information Transferred as Last Bytes of Metadata Supported [3:3] : 0x1 Protection Information Transferred as First Bytes of Metadata Supported [2:2] : 0x1 Protection Information Type 3 Supported [1:1] : 0x1 Protection Information Type 2 Supported [0:0] : 0x1 Protection Information Type 1 Supported dps : 0x1 [3:3] : 0 Protection Information is Transferred as Last Bytes of Metadata [2:0] : 0x1 Protection Information Type 1 Enabled nmic : 0 [0:0] : 0 Namespace Multipath Not Capable rescap : 0xff [7:7] : 0x1 Ignore Existing Key - Used as defined in revision 1.3 or later [6:6] : 0x1 Exclusive Access - All Registrants Supported [5:5] : 0x1 Write Exclusive - All Registrants Supported [4:4] : 0x1 Exclusive Access - Registrants Only Supported [3:3] : 0x1 Write Exclusive - Registrants Only Supported [2:2] : 0x1 Exclusive Access Supported [1:1] : 0x1 Write Exclusive Supported [0:0] : 0x1 Persist Through Power Loss Supported fpi : 0x80 [7:7] : 0x1 Format Progress Indicator Supported [6:0] : 0 Format Progress Indicator (Remaining 0%) dlfeat : 17 [4:4] : 0x1 Guard Field of Deallocated Logical Blocks is set to CRC of The Value Read [3:3] : 0 Deallocate Bit in the Write Zeroes Command is Not Supported [2:0] : 0x1 Bytes Read From a Deallocated Logical Block and its Metadata are 0x00 nawun : 0 nawupf : 0 nacwu : 0 nabsn : 0 nabo : 0 nabspf : 0 noiob : 0 nvmcap : 5751791616 mssrl : 0 mcl : 0 msrc : 0 nulbaf : 0 anagrpid: 0 nsattr : 0 nvmsetid: 0 endgid : 0 nguid : 36455530525003580025384100000001 eui64 : 0000000000000000 LBA Format 0 : Metadata Size: 0 bytes - Data Size: 4096 bytes - Relative Performance: 0 Best LBA Format 1 : Metadata Size: 8 bytes - Data Size: 4096 bytes - Relative Performance: 0x2 Good (in use) LBA Format 2 : Metadata Size: 0 bytes - Data Size: 512 bytes - Relative Performance: 0x1 Better LBA Format 3 : Metadata Size: 8 bytes - Data Size: 512 bytes - Relative Performance: 0x3 Degraded LBA Format 4 : Metadata Size: 64 bytes - Data Size: 4096 bytes - Relative Performance: 0x3 Degraded