iscsi 서버/클라이언트 설정하기
0. 시스템 사양
cpu : 4 core
RAM: 4G
Storage : 30G HDD / 400G HDD
OS : CentOS 7.4
1. 패키지 설치 여부 확인
1) targetcli 패키지 설치 확인
[root@kwanst ~]# dnf list targetcli Last metadata expiration check: 0:22:30 ago on Sat 14 Nov 2020 11:56:29 PM KST. Installed Packages targetcli.noarch 2.1.51-2.el7 @System [root@kwanst ~]#
2. iscsi Server를 구성한 OS에 스토리지 LVM으로 구성하기
아래 게시물 참조
3. targetcli로 서버 구성하기
targetcli 수행하고 현재 상태 확인하기
[root@kwanst ~]# targetcli Warning: Could not load preferences file /root/.targetcli/prefs.bin. targetcli shell version 2.1.51 Copyright 2011-2013 by Datera, Inc and others. For help on commands, type 'help'. /> ls o- / ................................................................................................................. [...] o- backstores ...................................................................................................... [...] | o- block .......................................................................................... [Storage Objects: 0] | o- fileio ......................................................................................... [Storage Objects: 0] | o- pscsi .......................................................................................... [Storage Objects: 0] | o- ramdisk ........................................................................................ [Storage Objects: 0] o- iscsi .................................................................................................... [Targets: 0] o- loopback ................................................................................................. [Targets: 0] />
1) block device 생성
사전에 생성한 LV를 사용하여 block device 생성한다.
/> cd backstores
/backstores> ls
o- backstores ........................................................................................................ [...]
o- block ............................................................................................ [Storage Objects: 0]
o- fileio ........................................................................................... [Storage Objects: 0]
o- pscsi ............................................................................................ [Storage Objects: 0]
o- ramdisk .......................................................................................... [Storage Objects: 0]
/backstores> cd block
/backstores/block> create crs1 /dev/vgrac/crs1
Created block storage object crs1 using /dev/vgrac/crs1.
/backstores/block> create crs2 /dev/vgrac/crs2
Created block storage object crs2 using /dev/vgrac/crs2.
/backstores/block> create crs3 /dev/vgrac/crs3
Created block storage object crs3 using /dev/vgrac/crs3.
/backstores/block> create fra /dev/vgrac/fra
Created block storage object fra using /dev/vgrac/fra.
/backstores/block> create data /dev/vgrac/data
Created block storage object data using /dev/vgrac/data.
/backstores/block> ls
o- block .............................................................................................. [Storage Objects: 5]
o- crs1 ................................................................ [/dev/vgrac/crs1 (5.0GiB) write-thru deactivated]
| o- alua ............................................................................................... [ALUA Groups: 1]
| o- default_tg_pt_gp ................................................................... [ALUA state: Active/optimized]
o- crs2 ................................................................ [/dev/vgrac/crs2 (5.0GiB) write-thru deactivated]
| o- alua ............................................................................................... [ALUA Groups: 1]
| o- default_tg_pt_gp ................................................................... [ALUA state: Active/optimized]
o- crs3 ................................................................ [/dev/vgrac/crs3 (5.0GiB) write-thru deactivated]
| o- alua ............................................................................................... [ALUA Groups: 1]
| o- default_tg_pt_gp ................................................................... [ALUA state: Active/optimized]
o- data ............................................................... [/dev/vgrac/data (50.0GiB) write-thru deactivated]
| o- alua ............................................................................................... [ALUA Groups: 1]
| o- default_tg_pt_gp ................................................................... [ALUA state: Active/optimized]
o- fra ................................................................. [/dev/vgrac/fra (50.0GiB) write-thru deactivated]
o- alua ............................................................................................... [ALUA Groups: 1]
o- default_tg_pt_gp ................................................................... [ALUA state: Active/optimized]
/backstores/block>
2) 서버용 iqn 생성
/backstores/block> cd ../../iscsi
/iscsi> ls
o- iscsi ...................................................................................................... [Targets: 0]
/iscsi> create iqn.2020-11.kwanst.localdomain:server
Created target iqn.2020-11.kwanst.localdomain:server.
Created TPG 1.
Global pref auto_add_default_portal=true
Created default portal listening on all IPs (0.0.0.0), port 3260.
/iscsi> ls
o- iscsi ...................................................................................................... [Targets: 1]
o- iqn.2020-11.kwanst.localdomain:server ....................................................................... [TPGs: 1]
o- tpg1 ......................................................................................... [no-gen-acls, no-auth]
o- acls .................................................................................................... [ACLs: 0]
o- luns .................................................................................................... [LUNs: 0]
o- portals .............................................................................................. [Portals: 1]
o- 0.0.0.0:3260 ............................................................................................... [OK]
/iscsi>
3) lun 생성
/iscsi> cd iqn.2020-11.kwanst.localdomain:server/tpg1/luns /iscsi/iqn.20...ver/tpg1/luns> create /backstores/block/crs1 Created LUN 0. /iscsi/iqn.20...ver/tpg1/luns> create /backstores/block/crs2 Created LUN 1. /iscsi/iqn.20...ver/tpg1/luns> create /backstores/block/crs3 Created LUN 2. /iscsi/iqn.20...ver/tpg1/luns> create /backstores/block/data Created LUN 3. /iscsi/iqn.20...ver/tpg1/luns> create /backstores/block/fra Created LUN 4. /iscsi/iqn.20...ver/tpg1/luns> ls o- luns .......................................................................................................... [LUNs: 5] o- lun0 ................................................................ [block/crs1 (/dev/vgrac/crs1) (default_tg_pt_gp)] o- lun1 ................................................................ [block/crs2 (/dev/vgrac/crs2) (default_tg_pt_gp)] o- lun2 ................................................................ [block/crs3 (/dev/vgrac/crs3) (default_tg_pt_gp)] o- lun3 ................................................................ [block/data (/dev/vgrac/data) (default_tg_pt_gp)] o- lun4 .................................................................. [block/fra (/dev/vgrac/fra) (default_tg_pt_gp)] /iscsi/iqn.20...ver/tpg1/luns>
4) iSCSI Initiator 생성
/iscsi/iqn.20...ver/tpg1/luns> cd ../acls
/iscsi/iqn.20...ver/tpg1/acls> create iqn.2020-11.kwanst.localdomain:rac
Created Node ACL for iqn.2020-11.kwanst.localdomain:rac
Created mapped LUN 4.
Created mapped LUN 3.
Created mapped LUN 2.
Created mapped LUN 1.
Created mapped LUN 0.
/iscsi/iqn.20...ver/tpg1/acls> ls
o- acls .......................................................................................................... [ACLs: 1]
o- iqn.2020-11.kwanst.localdomain:rac ................................................................... [Mapped LUNs: 5]
o- mapped_lun0 .................................................................................. [lun0 block/crs1 (rw)]
o- mapped_lun1 .................................................................................. [lun1 block/crs2 (rw)]
o- mapped_lun2 .................................................................................. [lun2 block/crs3 (rw)]
o- mapped_lun3 .................................................................................. [lun3 block/data (rw)]
o- mapped_lun4 ................................................................................... [lun4 block/fra (rw)]
/iscsi/iqn.20...ver/tpg1/acls>
5) 설정한 내용 확인
/iscsi/iqn.20...ver/tpg1/acls> cd / /> ls o- / ................................................................................................................. [...] o- backstores ...................................................................................................... [...] | o- block .......................................................................................... [Storage Objects: 5] | | o- crs1 .............................................................. [/dev/vgrac/crs1 (5.0GiB) write-thru activated] | | | o- alua ........................................................................................... [ALUA Groups: 1] | | | o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized] | | o- crs2 .............................................................. [/dev/vgrac/crs2 (5.0GiB) write-thru activated] | | | o- alua ........................................................................................... [ALUA Groups: 1] | | | o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized] | | o- crs3 .............................................................. [/dev/vgrac/crs3 (5.0GiB) write-thru activated] | | | o- alua ........................................................................................... [ALUA Groups: 1] | | | o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized] | | o- data ............................................................. [/dev/vgrac/data (50.0GiB) write-thru activated] | | | o- alua ........................................................................................... [ALUA Groups: 1] | | | o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized] | | o- fra ............................................................... [/dev/vgrac/fra (50.0GiB) write-thru activated] | | o- alua ........................................................................................... [ALUA Groups: 1] | | o- default_tg_pt_gp ............................................................... [ALUA state: Active/optimized] | o- fileio ......................................................................................... [Storage Objects: 0] | o- pscsi .......................................................................................... [Storage Objects: 0] | o- ramdisk ........................................................................................ [Storage Objects: 0] o- iscsi .................................................................................................... [Targets: 1] | o- iqn.2020-11.kwanst.localdomain:server ..................................................................... [TPGs: 1] | o- tpg1 ....................................................................................... [no-gen-acls, no-auth] | o- acls .................................................................................................. [ACLs: 1] | | o- iqn.2020-11.kwanst.localdomain:rac ........................................................... [Mapped LUNs: 5] | | o- mapped_lun0 .......................................................................... [lun0 block/crs1 (rw)] | | o- mapped_lun1 .......................................................................... [lun1 block/crs2 (rw)] | | o- mapped_lun2 .......................................................................... [lun2 block/crs3 (rw)] | | o- mapped_lun3 .......................................................................... [lun3 block/data (rw)] | | o- mapped_lun4 ........................................................................... [lun4 block/fra (rw)] | o- luns .................................................................................................. [LUNs: 5] | | o- lun0 ........................................................ [block/crs1 (/dev/vgrac/crs1) (default_tg_pt_gp)] | | o- lun1 ........................................................ [block/crs2 (/dev/vgrac/crs2) (default_tg_pt_gp)] | | o- lun2 ........................................................ [block/crs3 (/dev/vgrac/crs3) (default_tg_pt_gp)] | | o- lun3 ........................................................ [block/data (/dev/vgrac/data) (default_tg_pt_gp)] | | o- lun4 .......................................................... [block/fra (/dev/vgrac/fra) (default_tg_pt_gp)] | o- portals ............................................................................................ [Portals: 1] | o- 0.0.0.0:3260 ............................................................................................. [OK] o- loopback ................................................................................................. [Targets: 0] /> exit Global pref auto_save_on_exit=true Configuration saved to /etc/target/saveconfig.json [root@kwanst ~]#
6) 방화벽 활성화
[root@kwanst ~]# firewall-cmd --permanent --add-port=3260/tcp success [root@kwanst ~]# firewall-cmd --reload success [root@kwanst ~]#
7) iscsi target 서비스 활성화
[root@kwanst ~]# systemctl start target.service [root@kwanst ~]# systemctl enable target.service Created symlink from /etc/systemd/system/multi-user.target.wants/target.service to /usr/lib/systemd/system/target.service. [root@kwanst ~]# systemctl status target.service ● target.service - Restore LIO kernel target configuration Loaded: loaded (/usr/lib/systemd/system/target.service; enabled; vendor preset: disabled) Active: active (exited) since Sun 2020-11-15 12:47:19 KST; 3min 26s ago Main PID: 23736 (code=exited, status=0/SUCCESS) Nov 15 12:47:19 kwanst.localdomain systemd[1]: Starting Restore LIO kernel target configuration... Nov 15 12:47:19 kwanst.localdomain systemd[1]: Started Restore LIO kernel target configuration. [root@kwanst ~]#
4. iscsi client 설정
1) 클라이언트 설정 확인 및 수정
[root@mprac1 ~]# ls -al /etc/iscsi/iscsid.conf -rw-------. 1 root root 13187 Nov 6 23:25 /etc/iscsi/iscsid.conf [root@mprac1 ~]# ls -al /etc/iscsi/initiatorname.iscsi -rw-r--r--. 1 root root 52 Nov 15 12:59 /etc/iscsi/initiatorname.iscsi [root@mprac1 ~]# vi /etc/iscsi/initiatorname.iscsi InitiatorName=iqn.2020-11.kwanst.localdomain:rac
2) 서비스 데몬 확인
[root@mprac1 ~]# systemctl status iscsi.service
● iscsi.service - Login and scanning of iSCSI devices
Loaded: loaded (/usr/lib/systemd/system/iscsi.service; enabled; vendor preset: disabled)
Active: inactive (dead)
Condition: start condition failed at Sun 2020-11-15 13:03:07 KST; 22s ago
└─ ConditionDirectoryNotEmpty=/var/lib/iscsi/nodes was not met
Docs: man:iscsiadm(8)
man:iscsid(8)
Nov 14 23:49:53 mprac1.localdomain systemd[1]: iscsi.service: Unit cannot be reloaded because it is inactive.
Nov 14 23:49:54 mprac1.localdomain systemd[1]: iscsi.service: Unit cannot be reloaded because it is inactive.
Nov 14 23:49:55 mprac1.localdomain systemd[1]: iscsi.service: Unit cannot be reloaded because it is inactive.
Nov 14 23:49:56 mprac1.localdomain systemd[1]: iscsi.service: Unit cannot be reloaded because it is inactive.
[root@mprac1 ~]# systemctl status iscsid.service
● iscsid.service - Open-iSCSI
Loaded: loaded (/usr/lib/systemd/system/iscsid.service; disabled; vendor preset: disabled)
Active: active (running) since Sat 2020-11-14 23:49:51 KST; 13h ago
Docs: man:iscsid(8)
man:iscsiuio(8)
man:iscsiadm(8)
Main PID: 1365 (iscsid)
Status: "Ready to process requests"
Tasks: 1 (limit: 48742)
Memory: 4.0M
CGroup: /system.slice/iscsid.service
└─1365 /usr/sbin/iscsid -f -d2
Nov 14 23:49:50 mprac1.localdomain systemd[1]: Starting Open-iSCSI...
Nov 14 23:49:51 mprac1.localdomain iscsid[1365]: iscsid: InitiatorName=iqn.1988-12.com.oracle:4ec8ed78b6b
Nov 14 23:49:51 mprac1.localdomain iscsid[1365]: iscsid: InitiatorAlias=mprac1.localdomain
Nov 14 23:49:51 mprac1.localdomain iscsid[1365]: iscsid: Max file limits 1024 262144
Nov 14 23:49:51 mprac1.localdomain systemd[1]: Started Open-iSCSI.
[root@mprac1 ~]# systemctl enable iscsid.service
Created symlink /etc/systemd/system/multi-user.target.wants/iscsid.service → /usr/lib/systemd/system/iscsid.service.
[root@mprac1 ~]# systemctl status iscsid.service
● iscsid.service - Open-iSCSI
Loaded: loaded (/usr/lib/systemd/system/iscsid.service; enabled; vendor preset: disabled)
Active: active (running) since Sun 2020-11-15 14:03:25 KST; 4min 45s ago
Docs: man:iscsid(8)
man:iscsiuio(8)
man:iscsiadm(8)
Main PID: 1368 (iscsid)
Status: "Ready to process requests"
Tasks: 1 (limit: 48742)
Memory: 4.1M
CGroup: /system.slice/iscsid.service
└─1368 /usr/sbin/iscsid -f -d2
Nov 15 14:03:25 mprac1.localdomain systemd[1]: Starting Open-iSCSI...
Nov 15 14:03:25 mprac1.localdomain iscsid[1368]: iscsid: InitiatorName=iqn.2020-11.kwanst.localdomain:server
Nov 15 14:03:25 mprac1.localdomain iscsid[1368]: iscsid: InitiatorAlias=mprac1.localdomain
Nov 15 14:03:25 mprac1.localdomain iscsid[1368]: iscsid: Max file limits 1024 262144
Nov 15 14:03:25 mprac1.localdomain systemd[1]: Started Open-iSCSI.
[root@mprac1 ~]#
iscsi.service 의 경우 discovery를 통해 node 정보를 구성해 놓지 않았기 때문에 현재 inactive 상태에 fail 로그를 확인할 수 있다.
3) iscsiadm을 통해 discovery 진행 후 node 모드로 접속 완료
[root@mprac1 ~]# cat /etc/iscsi/initiatorname.iscsi InitiatorName=iqn.2020-11.kwanst.localdomain:rac [root@mprac1 ~]# iscsiadm -m discovery -t st -p kwanst-priv 1.1.1.105:3260,1 iqn.2020-11.kwanst.localdomain:server [root@mprac1 ~]# iscsiadm -m node -p kwanst-priv.localdomain --login [root@mprac1 ~]# iscsiadm -m node --op update -n node.startup -v automatic [root@mprac1 ~]# fdisk -l Disk /dev/sda: 80 GiB, 85899345920 bytes, 167772160 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: B0328A67-F234-4B44-8949-47911CAA957E Device Start End Sectors Size Type /dev/sda1 2048 1230847 1228800 600M EFI System /dev/sda2 1230848 3327999 2097152 1G Linux filesystem /dev/sda3 3328000 167770111 164442112 78.4G Linux LVM Disk /dev/mapper/ol_mprac1-root: 40 GiB, 42949672960 bytes, 83886080 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/ol_mprac1-swap: 16 GiB, 17179869184 bytes, 33554432 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/ol_mprac1-home: 20 GiB, 21474836480 bytes, 41943040 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/sdb: 5 GiB, 5368709120 bytes, 10485760 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 33550336 bytes Disk /dev/sdc: 50 GiB, 53687091200 bytes, 104857600 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 33550336 bytes Disk /dev/sdd: 50 GiB, 53687091200 bytes, 104857600 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 33550336 bytes Disk /dev/sde: 5 GiB, 5368709120 bytes, 10485760 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 33550336 bytes Disk /dev/sdf: 5 GiB, 5368709120 bytes, 10485760 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 33550336 bytes [root@mprac1 ~]# cat /proc/scsi/scsi Attached devices: Host: scsi0 Channel: 00 Id: 00 Lun: 00 Vendor: VMware Model: Virtual disk Rev: 2.0 Type: Direct-Access ANSI SCSI revision: 06 Host: scsi3 Channel: 00 Id: 00 Lun: 00 Vendor: NECVMWar Model: VMware SATA CD00 Rev: 1.00 Type: CD-ROM ANSI SCSI revision: 05 Host: scsi33 Channel: 00 Id: 00 Lun: 00 Vendor: LIO-ORG Model: crs1 Rev: 4.0 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi33 Channel: 00 Id: 00 Lun: 04 Vendor: LIO-ORG Model: fra Rev: 4.0 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi33 Channel: 00 Id: 00 Lun: 03 Vendor: LIO-ORG Model: data Rev: 4.0 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi33 Channel: 00 Id: 00 Lun: 02 Vendor: LIO-ORG Model: crs3 Rev: 4.0 Type: Direct-Access ANSI SCSI revision: 05 Host: scsi33 Channel: 00 Id: 00 Lun: 01 Vendor: LIO-ORG Model: crs2 Rev: 4.0 Type: Direct-Access ANSI SCSI revision: 05 [root@mprac1 ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 80G 0 disk ├─sda1 8:1 0 600M 0 part /boot/efi ├─sda2 8:2 0 1G 0 part /boot └─sda3 8:3 0 78.4G 0 part ├─ol_mprac1-root 252:0 0 40G 0 lvm / ├─ol_mprac1-swap 252:1 0 16G 0 lvm [SWAP] └─ol_mprac1-home 252:2 0 20G 0 lvm /home sdb 8:16 0 5G 0 disk sdc 8:32 0 50G 0 disk sdd 8:48 0 50G 0 disk sde 8:64 0 5G 0 disk sdf 8:80 0 5G 0 disk sr0 11:0 1 1024M 0 rom
fdisk를 통해서 iscsi를 통해 추가된 sdb, sdc, sdd, sde, sdf Disk 를 확인할 수 있다.
iscsi 접속시 로그인 설정을 통해 id / password 를 적용할 수 있지만 테스트 구성이기 때문에 해당 내용을 생략하였다.
5, 기타 작업 방법
1) node에서 logout
[root@mprac1 ~]# iscsiadm -m node -p kwanst-priv --logout Logging out of session [sid: 1, target: iqn.2020-11.kwanst.localdomain:server, portal: 1.1.1.105,3260] Logout of [sid: 1, target: iqn.2020-11.kwanst.localdomain:server, portal: 1.1.1.105,3260] successful. [root@mprac1 ~]# fdisk -l Disk /dev/sda: 80 GiB, 85899345920 bytes, 167772160 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: B0328A67-F234-4B44-8949-47911CAA957E Device Start End Sectors Size Type /dev/sda1 2048 1230847 1228800 600M EFI System /dev/sda2 1230848 3327999 2097152 1G Linux filesystem /dev/sda3 3328000 167770111 164442112 78.4G Linux LVM Disk /dev/mapper/ol_mprac1-root: 40 GiB, 42949672960 bytes, 83886080 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/ol_mprac1-swap: 16 GiB, 17179869184 bytes, 33554432 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk /dev/mapper/ol_mprac1-home: 20 GiB, 21474836480 bytes, 41943040 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes [root@mprac1 ~]#
2) discover 한 정보 혹은 node 정보를 를 삭제하기
# node 모드의 정보를 삭제 iscsiadm -m node -o delete -T iqn.2020-11.kwanst.localdomain:server # discovery를 통해 기록한 정보를 삭제 iscsiadm -m discoverydb -o delete -t st -p kwanst-priv
discovery 를 통해 발견한 정보는 /var/lib/iscsi 디렉토리 및에 저장되어 있다.
[root@mprac1 ~]# ls -al /var/lib/iscsi/ total 4 drwxr-xr-x. 8 root root 90 Nov 6 23:25 . drwxr-xr-x. 68 root root 4096 Nov 14 22:59 .. drwxr-xr-x. 2 root root 6 Nov 6 23:25 ifaces drwxr-xr-x. 2 root root 6 Nov 6 23:25 isns drwxr-xr-x. 3 root root 51 Nov 15 15:35 nodes drwxr-xr-x. 3 root root 30 Nov 15 15:35 send_targets drwxr-xr-x. 2 root root 6 Nov 6 23:25 slp drwxr-xr-x. 2 root root 6 Nov 6 23:25 static [root@mprac1 ~]# ls -al /var/lib/iscsi/nodes/ total 0 drwxr-xr-x. 3 root root 51 Nov 15 15:35 . drwxr-xr-x. 8 root root 90 Nov 6 23:25 .. drw-------. 3 root root 30 Nov 15 15:35 iqn.2020-11.kwanst.localdomain:server [root@mprac1 ~]# ls -al /var/lib/iscsi/send_targets/ total 0 drwxr-xr-x. 3 root root 30 Nov 15 15:35 . drwxr-xr-x. 8 root root 90 Nov 6 23:25 .. drw-------. 2 root root 93 Nov 15 15:35 kwanst-priv,3260 [root@mprac1 ~]#
