iSCSI

ISCSI
linux-iscsi - LIO
Archlinux
- ISCSI Initiator
  - [简体中文](wiki.archlinux.org/index.php/ISCSI initiator (简体中文))
- TGT iSCSI Target
Linux iSCSI Target (TCM)
High performance SCST iSCSI Target on Linux software Raid
- SCST deprecated
Linux SCSI target framework
TCM - Target Core module
Wikipedia:SCST
A tale of two SCSI targets
open-iscsi/targetcli-fb
- A command shell for managing the Linux LIO kernel target
pkgs.alpinelinux.org/package/v3.6/community/x86_64/targetcli
pkgs.alpinelinux.org/package/v3.6/main/x86_64/open-iscsi
High performance, transport independent, multi-platform iSCSI initiator

port	for
3260	iSCSI

abbr.	stand for	meaning
SCSI	Small Computer System Interface
iSCSI	Internet Small Computer Systems Interface
IQN	iSCSI Qualified Name
LUN	Logical Unit Number
TCM	Target Core Module
TGT	Target

Initiator - 发起端/客户端
Target - 目标端/服务端

iSCSI 不支持多个节点共享挂载 - 因为底层 fs 不支持
- 例如 ext4, xfs, btrfs, ntfs 都是假设单个操作系统独占访问和管理
- 单个操作系统维护缓存、元数据、日志
- 除非使用集群文件系统: GFS2, OCFS2, VMFS

bash

apk add open-iscsi

# iscsiadm -m discovery -t sendtargets -p <target_ip>
# iscsiadm -m node -T <target_iqn> -p <target_ip> --login

iscsiadm -m discovery -t sendtargets -p 192.168.1.100
# IQN
# 192.168.1.100:3260,1 iqn.2000-01.com.synology:SYN-NAS.default-target.00000000000

service iscsid start

bash

# 发现
iscsiadm -m discovery -t sendtargets -p 192.168.1.1
# 登陆
iscsiadm --mode node --targetname iqn.2001-05.com.doe:test --portal 192.168.1.1:3260 --login

关联信息

参考资料