群晖NAS 创建iscsi跟着提示走就好了,设置chap模式,添加账号密码
centos7
安装依赖
yum install binutils iscsi-initiator-utils kmod-xfs xfsprogs -y
启动并设置开机启动
service iscsi start
systemctl enable iscsi
查看Target
[root@node-02 ~]# iscsiadm -m discovery -t sendtargets -p 10.168.2.195,3260 10.168.2.195:3260,1 iqn.2000-01.com.synology:DS1618.Target-Test.b5f7db4101 [fe80::211:32ff:fe93:86f9]:3260,1 iqn.2000-01.com.synology:DS1618.Target-Test.b5f7db4101 10.168.2.195:3260,1 iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 [fe80::211:32ff:fe93:86f9]:3260,1 iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 [root@node-02 ~]#
登陆节点前需验证
1、开启验证
iscsiadm -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 -o update --name node.session.auth.authmethod --value=CHAP
2、添加用户
iscsiadm -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 -o update --name node.session.auth.username --value=xxx
3、添加密码
iscsiadm -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 -o update --name node.session.auth.password --value='xxxxxx' # 密码有符号请使用引号
4、登陆节点
[root@node-02 ~]# iscsiadm -d2 -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 --login iscsiadm: Max file limits 65536 131072 iscsiadm: default: Creating session 1/1 Logging in to [iface: default, target: iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101, portal: 10.168.2.195,3260] (multiple) Login to [iface: default, target: iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101, portal: 10.168.2.195,3260] successful.
# -d {0-8} #打印调试信息,有0到8这9个等级
开启自动登陆节点
vim /etc/rc.local scsiadm -d2 -m node -T iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 -p 10.168.2.195:3260 --login
查看当前链接
[root@node-02 ~]# iscsiadm -m session tcp: [6] 10.168.2.195:3260,1 iqn.2000-01.com.synology:DS1618.Target-1.b5f7db4101 (non-flash)
查看设备
[root@node-02 ~]# fdisk -l 磁盘 /dev/sda:1999.8 GB, 1999844147200 字节,3905945600 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘标签类型:dos 磁盘标识符:0x0001f819 设备 Boot Start End Blocks Id System /dev/sda1 * 2048 1026047 512000 83 Linux /dev/sda2 1026048 3905945599 1952459776 8e Linux LVM 磁盘 /dev/mapper/centos-root:53.7 GB, 53687091200 字节,104857600 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘 /dev/mapper/centos-swap:33.8 GB, 33822867456 字节,66060288 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘 /dev/mapper/centos-home:1911.7 GB, 1911738597376 字节,3733864448 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 512 字节 磁盘 /dev/sdb:10995.1 GB, 10995116277760 字节,21474836480 个扇区 Units = 扇区 of 1 * 512 = 512 bytes 扇区大小(逻辑/物理):512 字节 / 512 字节 I/O 大小(最小/最佳):512 字节 / 8388608 字节
分区
[root@node-02 ~]# parted /dev/sdb GNU Parted 3.1 使用 /dev/sdb Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) mklabel gpt (parted) mkpart primary 0% 100% (parted) print Model: SYNOLOGY iSCSI Storage (scsi) Disk /dev/sdb: 11.0TB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name 标志 1 8389kB 11.0TB 11.0TB primary (parted) quit 信息: You may need to update /etc/fstab.
格式化
[root@node-02 ~]# mkfs.ext4 -T largefile /dev/sdb1 mke2fs 1.42.9 (28-Dec-2013) Discarding device blocks: 完成 文件系统标签= OS type: Linux 块大小=4096 (log=2) 分块大小=4096 (log=2) Stride=0 blocks, Stripe width=2048 blocks 10485760 inodes, 2684350464 blocks 134217523 blocks (5.00%) reserved for the super user 第一个数据块=0 Maximum filesystem blocks=4294967296 81920 block groups 32768 blocks per group, 32768 fragments per group 128 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848, 512000000, 550731776, 644972544, 1934917632, 2560000000 Allocating group tables: 完成 正在写入inode表: 完成 Creating journal (32768 blocks): 完成 Writing superblocks and filesystem accounting information: 完成
挂载
[root@node-02 ~]# cd / [root@node-02 /]# mkdir nas_dir [root@node-02 /]# mount /dev/sdb1 /nas_dir/ [root@node-02 /]# df -h 文件系统 容量 已用 可用 已用% 挂载点 /dev/mapper/centos-root 50G 13G 38G 26% / devtmpfs 16G 0 16G 0% /dev tmpfs 16G 1.3M 16G 1% /dev/shm tmpfs 16G 569M 16G 4% /run tmpfs 16G 0 16G 0% /sys/fs/cgroup /dev/sda1 497M 130M 367M 27% /boot /dev/mapper/centos-home 1.8T 1.4T 380G 79% /home tmpfs 3.2G 0 3.2G 0% /run/user/0 cm_processes 16G 450M 16G 3% /run/cloudera-scm-agent/process /dev/sdb1 10T 73M 9.5T 1% /nas_dir
[root@node-02 /]#
开启自动挂载
[root@node-02 /]# blkid /dev/sdb1
/dev/sdb1: UUID="6455c0be-2360-4555-800c-38e6420eb952" TYPE="ext4" PARTLABEL="primary" PARTUUID="1443a59c-7838-4946-bf06-9828c4ead9c5"
[root@node-02 /]#
vim /etc/fstab
添加
UUID=6455c0be-2360-4555-800c-38e6420eb952 /nas_dir ext4 defaults,_netdev 0 0