lsscsi(8) LSSCSI lsscsi(8) (NAME) lsscsi - ( ) SCSI NVMe (SYNOPSIS) lsscsi [--brief] [--classic] [--controllers] [--device] [--generic] [--help] [--hosts] [--kname] [--list] [--long] [--long-unit] [--lunhex] [--no-nvme] [--pdt] [--protection] [--protmode] [--scsi_id] [--size] [--sysfsroot=PATH] [--sz-lbs] [--transport] [--unit] [--verbose] [--version] [--wwn] [H:C:T:L] (DESCRIPTION) sysfs ( . ) ( ) SCSI . SCSI ( ) SCSI . 0.30 lsscsi NVMe . ( LU NVMe) . SCSI 'H' (host) 'C' (controller) 'T' (target) (LUN) . . NVMe . --hosts SCSI : . H:C:T:L . '-' '*' '?' (wildcard) . '*:*:*:*' ( ) . '*' '?' . '-' '-- ' . '[' ']' ( '[1:0:0]' LUN 1:0:0 ). --hosts H "host" . NVMe . "N" 'H' () . 'C' NVMe (minor) (char) NVMe : "/dev/nvme2". 'T' NVMe "CNTLID" . 'L' NVMe . "N" NVMe (,) SCSI () (LU ) NVMe SCSI . H:C:T:L NVMe "hostN" "hostN:" "N" "N:" "" NVMe ( SCSI ( HBA) ). ( "/dev/sda" "/dev/root_disk") (major minor) sysfs ( "/sys/block/sda/dev") "/dev" . << >> ( ) udev . --kname . . (OPTIONS) . . ( --scsi_id --scsi-id ). -b, --brief . . --generic ( bsg ) ( ) sg ( ) . --pdt SCSI ( PDT) ( "0x") . NVMe "0x0" ( ). -c, --classic 'cat /proc/scsi/scsi' . -C, --controllers NVMe SCSI . --hosts . -d, --device () SCSI ( "/dev/sda[8:0]"). -g, --generic SCSI . sg '-' . NVMe SCSI () . NVMe ( Admin) NVM ( Read Write) MI ( ) --hosts . --brief . -h, --help . -H, --hosts SCSI NVMe . ( --controllers ) SCSI ( LU) NVMe ( ) . -k, --kname ( "/dev/sda") << >> "/dev" . -L, --list <_>=<> . '-lll' . -l, --long () SCSI. ( '-lll'). ( '-lll') () SCSI "=" . -U, --long-unit . . "none" . ( UUID) . '-uuu' . ( '-UU') EUI NAA UUID T10 "eui." "naa." "uuid." "t10." . SCSI iSCSI 'iqn.' . '--unit' ( '-uuuu') '-UU' . --long_unit . -x, --lunhex LUN ( ) "T10" . LUN "0x" . LUN "_" . LUN 0x0355006600000000 0x0355_0066 . ( : '-xx') LUN "0x" . NVMe (nsid) "L" . nsid 0x0 0xffffffff . nsid . nsid 0x . nsid . -N, --no-nvme NVMe . NVMe --classic . NVMe 'lsscsi N' NVMe 'lsscsi -H N' . -D, --pdt SCSI ( PDT) "0x" . NVMe "0x0" (<< >> SSD) . PDT ( "0x0 " "disk " ) . -p, --protection (DIF) (DIX). -P, --protmode . -i, --scsi_id udev /dev/disk/by-id/scsi* . ( ) . "dm-uuid-mpath*" "usb*" . /sys/class/block//holders . ( /dev/sdc) "-" . ( ) SCSI '-' . /dev/disk/by-id/scsi* . <<>> . << SCSI (ORDER OF SCSI IDENTIFIERS)>> . -s, --size . SI 'B' ( ) . MB GB TB . IEC 80000-3 'B' MiB GiB TiB . . RBC CD/DVD ZBC (host managed) . ZBC (host aware) << >> ( ) . ( : '-sss') . (discovery) . . --brief . -y, --sysfsroot=PATH sysfs '/sys' PATH . PATH ( '/' ). -S, --sz-lbs ( '-sss' ). . ( /sys/block//queue ) '512' . . --brief . -t, --transport (transport). (target) --hosts (initiator) . --list ( ) . . --list attribute_name=value . . -u, --unit . . "none" . NAA EUI-64 SCSI SCSI iSCSI SCSI . T10 . (truncate) '_' . NAA EUI-64 . SCSI iSCSI . . '_' . . . . vpd_pg83 sysfs . SCSI ATA (SATA) . ATA (SATA) WWN . -v, --verbose . . -V, --version . stderr stdout yyyymmdd . . -w, --wwn ( ) WWN . (WWN World Wide Name) ( ) . WWN "0x" . SCSI WWN ATA/SATA LU --unit --long-unit . (TRANSPORTS) SCSI SCSI (: SAM-5 https://www.t10.org) (LU) --hosts . SAM-5 (initiator) . SCSI (target) . . . FC SAS . FC SAS lsscsi . ( ) HBA . --transport ( --hosts ) lsscsi ( SCSI ) . <<>> . --list . --transport "=" . . : IEEE 1394 ATA FC iSCSI SAS SATA SPI SRP USB. IEEE 1394 ( Firewire "SBP") --transport --hosts EUI-64 . --hosts EUI-64 . IEEE 1394 "sbp:" . ATA SATA ( ). ATA SATA . "ata:" "sata:" . vpd_pg83 sysfs WWN . WWN . PATA SATA . "ata:" ATA ( PATA) . SATA SAS SAS . (FC) --transport . --hosts ( ) . --hosts . FC "fc:" . FCoE ( ) "fcoe:" . iSCSI --transport --hosts . iSCSI . iSCSI "iqn" . --hosts "iscsi:" . SCSI (SAS) SAS ( --hosts) . naa-5 . HBA SAS ( SAS ) SAS . SATA SAS SAS SAS ( ) ( expander_sas_address + phy_id + 1). SATA HBA SAS . SAS "sas:" . SATA ATA . SATA SAS WWN SATA SAS ( ) . SCSI ( SPI) --transport --hosts ( ) . --hosts "spi:" . PCIe ( PCI Express) : NVMe SOP/PQI ( SCSI PCIe). NVMe . NVMe SCSI . SCSI NVMe SCSI . SES-3 (enclosure) NVMe . SCSI SES (PDT) 0xd ( ) lsscsi . NVMe (MI) NVMe . "lsscsi --hosts" . NVMe . NVMe ( /dev/nvme1) sg_ses ( sg3_utils) . --transport "pcie" (subsystem vendor id) NVMe ( "pcie 0x8086:0x390a"). SCSI RDMA ( SRP) GUID IB (InfiniBand) . : 0002:c903:00fa:abcd . USB "usb:" USB . USB "-[.[.]]:." USB . . USB USB . . USB (SCSI) SCSI . USB SCSI . "usb: " USB SCSI USB SCSI . (LUNS) () SCSI ( LU ) . (LUN) . SCSI LUN . LUN SCSI ( . SAM-5) SCSI LUN . LUN SCSI LUN . LUN ( word) LUN . LUN LUN . LUN LUN . LUN ( ) SCSI 00 00 00 00 00 00 00 00 0 LUN . LUN 00 01 00 00 00 00 00 00 1 LUN . LUN . LUN SCSI ( ) LUN . LUN . LUN LUN . --lunhex LUN LUN SCSI '0x' . LUN SAM-5 ( ) . LUN 0 ( 00 00 00 00 00 00 00 00) 0x0000 LUN 65 ( 00 41 00 00 00 00 00 00) 0x0041 . --lunhex ( ) . --lunhex LSSCSI_LUNHEX_OPT . LSSCSI_LUNHEX_OPT --lunhex . 'LSSCSI_LUNHEX_OPT=2 lsscsi' 'lsscsi -xx' . SCSI (ORDER OF SCSI IDENTIFIERS) --scsi_id ( ) . SCSI . SCSI : 3 : NAA ( Network Address Authority) 2 : EUI-64 8 : SCSI ( iSCSI: iqn.1998-01.com.zzware.iscsi:name1) S : 0x80 SCSI VPD 1 : T10 0 : (Vendor Specific) << >> (Designator Types) SCSI VPD ( 0x83) SPC-3 SPC-4 SPC-5 . 'S' VPD : VPD ( 0x80). --wwn . "WWN" ( world-wide name) ATA NVMe << (LU)>> SCSI . LU SCSI . SAS LU NAA LU . --unit --long-unit . (EXAMPLES) : https://sg.danny.cz/scsi/lsscsi.html . (NOTES) sysfs /sys . () SCSI SCSI ( sd sr st osst ch) . '/dev/st0' '-' . ( ) SCSI ( sg) . SCSI bsg . bsg '/dev/bsg/H:C:T:L' . SCSI '6:0:1:2' bsg '/dev/bsg/6:0:1:2' . SCSI .. ( ) CONFIG_SYSFS_DEPRECATED_V2 0.21 lsscsi . (AUTHOR) Doug Gilbert (REPORTING BUGS) . (COPYRIGHT) (C) 2003-2021 Douglas Gilbert (GPL) . . (SEE ALSO) lspci lsusb lsblk lsscsi-0.32 May 2021 lsscsi(8)