主机新增iscsi存储

增加iscsi存储

存储地址：10.15.160.100:3260

1、发现iscsi存储:iscsiadm
iscsiadm --mode discovery --type sendtargets --portal 10.15.160.100:3260

# iscsiadm --mode discovery --type sendtargets --portal 10.15.160.100:3260
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-eef975852-d2bd4a4ef1759969-vss-control
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-141975852-550d4a4f03c59e6b-vmstore-1
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-c15975852-04ad4a53f1a5f39f-kvm
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-b87975852-64e7ab1a1375fe4b-sap-prd
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-9f8975852-7b27ab1a2055ff26-pan
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-e22975852-4967ab1a2e75ffeb-exchange2
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-8c5975852-5abd4a5929460f2a-kvm2021
10.15.160.100:3260,1 iqn.2001-05.com.equallogic:4-771816-880975852-06ad4a5929760f2f-kvm-fs3
2、登录iscsi存储iscsiadm -m node -T LUN_NAME -p ISCSI_IP -l
iscsiadm -m node -T iqn.2001-05.com.equallogic:4-771816-880975852-06ad4a5929760f2f-kvm-fs3 -p 10.15.160.100 --login

# fdisk -l|grep "Disk"
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdb: 4000.7 GB, 4000683089920 bytes, 7813834160 sectors
Disk label type: gpt
Disk identifier: 55F8466C-38CA-4DC4-BBC5-795D3D2FA7F2
Disk /dev/sda: 300.0 GB, 299966445568 bytes, 585871964 sectors
Disk label type: dos
Disk identifier: 0x0009d6b8
Disk /dev/sdc: 960.1 GB, 960139976704 bytes, 1875273392 sectors
Disk label type: gpt
Disk identifier: B9519127-7176-44D8-918D-2D7F4ACEA45F
Disk /dev/mapper/onn-ovirt--node--ng--4.3.9--0.20200319.0+1: 184.4 GB, 184364826624 bytes, 360087552 sectors
Disk /dev/mapper/onn-swap: 4001 MB, 4001366016 bytes, 7815168 sectors
Disk /dev/mapper/3600508b1001c23bf4a411df7ebcbd39b: 4000.7 GB, 4000683089920 bytes, 7813834160 sectors
Disk label type: gpt
Disk identifier: 55F8466C-38CA-4DC4-BBC5-795D3D2FA7F2
Disk /dev/mapper/3600508b1001caaad38c64a2fc1759c26: 960.1 GB, 960139976704 bytes, 1875273392 sectors
Disk label type: gpt
Disk identifier: B9519127-7176-44D8-918D-2D7F4ACEA45F
Disk /dev/mapper/onn-var: 49.9 GB, 49945772032 bytes, 97550336 sectors
Disk /dev/mapper/onn-home: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/mapper/onn-tmp: 1073 MB, 1073741824 bytes, 2097152 sectors
Disk /dev/mapper/onn-var_crash: 10.7 GB, 10737418240 bytes, 20971520 sectors
Disk /dev/mapper/onn-var_log: 8589 MB, 8589934592 bytes, 16777216 sectors
Disk /dev/mapper/onn-var_log_audit: 2147 MB, 2147483648 bytes, 4194304 sectors
Disk /dev/sdd: 4398.1 GB, 4398058045440 bytes, 8589957120 sectors
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk label type: gpt
Disk identifier: 05C4A145-F8BE-477F-A15D-ED2C3BD6E7F8
Disk /dev/mapper/364817127857579b84bfe75131aabe764: 4398.1 GB, 4398058045440 bytes, 8589957120 sectors
Disk label type: gpt
Disk identifier: 05C4A145-F8BE-477F-A15D-ED2C3BD6E7F8
Disk /dev/sde: 4398.1 GB, 4398058045440 bytes, 8589957120 sectors
Disk label type: gpt
Disk identifier: E61CCC96-64CE-46C3-8D71-151285F3CBE8
Disk /dev/mapper/364817127857559c19ff3a5f1534aad04: 4398.1 GB, 4398058045440 bytes, 8589957120 sectors
Disk label type: gpt
Disk identifier: E61CCC96-64CE-46C3-8D71-151285F3CBE8
Disk /dev/sdf: 4398.1 GB, 4398058045440 bytes, 8589957120 sectors
Disk /dev/mapper/364817127857529e2ebff752e1aab6749: 4398.1 GB, 4398058045440 bytes, 8589957120 sectors
Disk /dev/sdg: 10995.1 GB, 10995121520640 bytes, 21474846720 sectors
Disk /dev/mapper/364817127857519146b9ec5034f4a0d55: 10995.1 GB, 10995121520640 bytes, 21474846720 sectors
Disk /dev/mapper/kvm--fs-kvm--fs: 5497.6 GB, 5497579110400 bytes, 10737459200 sectors
Disk /dev/mapper/exchange-exchange: 15393.2 GB, 15393175371776 bytes, 30064795648 sectors
Disk /dev/sdh: 8796.1 GB, 8796100362240 bytes, 17179883520 sectors
Disk /dev/mapper/3648171278575899f26ff55201aab277b: 8796.1 GB, 8796100362240 bytes, 17179883520 sectors
Disk /dev/sdi: 1099.5 GB, 1099526307840 bytes, 2147512320 sectors
Disk /dev/mapper/3648171278575598c2a0f4629594abd5a: 1099.5 GB, 1099526307840 bytes, 2147512320 sectors
Disk /dev/sdj: 536.9 GB, 536881397760 bytes, 1048596480 sectors
Disk /dev/mapper/364817127857509882f0f7629594aad06: 536.9 GB, 536881397760 bytes, 1048596480 sectors
[root@dc02-node1 mapper]#

创建物理卷
# pvcreate /dev/mapper/3648171278575598c2a0f4629594abd5a
Physical volume "/dev/mapper/3648171278575598c2a0f4629594abd5a" successfully created.
将新建PV加入到VG
# vgextend kvm-fs /dev/mapper/3648171278575598c2a0f4629594abd5a
Volume group "kvm-fs" successfully extended
# lvdisplay|grep kvm
LV Path /dev/kvm-fs/kvm-fs
LV Name kvm-fs
VG Name kvm-fs
# lvextend -L +1024G /dev/kvm-fs/kvm-fs
Size of logical volume kvm-fs/kvm-fs changed from 4.00 TiB (1049602 extents) to 4.00 TiB (1049858 extents).
Logical volume kvm-fs/kvm-fs successfully resized.
# xfs_growfs /dev/kvm-fs/kvm-fs
meta-data=/dev/mapper/kvm--fs-kvm--fs isize=512 agcount=4, agsize=268435455 blks
= sectsz=512 attr=2, projid32bit=1
= crc=1 finobt=0 spinodes=0
data = bsize=4096 blocks=1073741820, imaxpct=5
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=1
log =internal bsize=4096 blocks=521728, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
data blocks changed from 1073741820 to 1337198592

 

# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/3600508b1001c23bf4a411df7ebcbd39b1 3.6T 3.1T 330G 91% /kvm-fs
/dev/mapper/364817127857579b84bfe75131aabe764p1 4.0T 4.0T 36K 100% /kvm-fs3
/dev/mapper/exchange-exchange 14T 11T 3.3T 77% /exchange
/dev/mapper/kvm--fs-kvm--fs 5.0T 2.4T 2.6T 49% /kvm-fs2