Linux mounted iSCSI Storage disk devices

1,CheckNetwork

[Email protected] ~]# ping-i eth0 11.110.10.138

PING 11.110.10.138 (11.110.10.138) from 11.110.10.138eth0:56 (+) bytes of data.

Bytes from 11.110.10.138:icmp_seq=1ttl=64 time=0.023 ms

Bytes from 11.110.10.138:icmp_seq=2ttl=64 time=0.016 ms

Bytes from 11.110.10.138:icmp_seq=3ttl=64 time=0.018 ms

^c

---11.110.10.138 ping statistics---

3 Packets transmitted, 3 received, 0%packet loss, time 2186ms

RTT Min/avg/max/mdev =0.016/0.019/0.023/0.003 ms

[Email protected] ~]#

[Email protected] ~]# ping-i eth0192.168.180.138

PING 192.168.180.138 (192.168.180.138) from11.110.10.138 eth0:56 (+) bytes of data.

From 11.110.10.138 icmp_seq=2 destinationhost unreachable

From 11.110.10.138 icmp_seq=3 destinationhost unreachable

From 11.110.10.138 icmp_seq=4 destinationhost unreachable

^c

---192.168.180.138 ping statistics---

4 packets transmitted, 0 received, +3errors, 100% packet loss, time 3729ms

Pipe 3

[Email protected] ~]#

2,Check if the software is already installed

[[email protected] ~]# Rpm-qa |grep iSCSI

Iscsi-initiator-utils-6.2.0.873-2.0.2.el6.x86_64

[Email protected] ~]#

< All rights reserved. The article agrees to reprint, but the source address must be indicated by means of a link. Otherwise pursue legal liability!>
Original Blog Address: http://blog.csdn.net/mchdba/article/details/46794809
Hara Douglas Fir (MCHDBA)

3,CheckISCSIwhether the service is up and performing at the current level

[[Email protected] ~]# service iSCSI Status

......

4. To establish2a file

[Email protected] ~]# iscsiadm-m iface-iiscsi_eth0--op=new

New Interface Iscsi_eth0 Added

[Email protected] ~]# iscsiadm-m iface-iiscsi_eth1--op=new

New Interface Iscsi_eth1 Added

[Email protected] ~]#

5.EstablishIscsi_eth0and theeht0the mapping relationship.

set up at the same time iscsi_eth1 and the eth1 The mapping Relationship .

You can also edit the Iscsi_eth0 and iscsi_eth1 files directly, and change the iface.net_ifacename=default inside

Iface.net_ifacename=eth0 and Iface.net_ifacename=eth1 can.

[Email protected] ~]# ls/var/lib/iscsi/ifaces/

Iscsi_eth0 iscsi_eth1 iscsi_the0 iscsi_the1

[Email protected] ~]# cd/var/lib/iscsi/ifaces/

[email protected] ifaces]# LL

Total dosage 16

-RW-------1 root root 197 June 16:05 Iscsi_eth0

-RW-------1 root root 197 June 16:06 iscsi_eth1

-RW-------1 root root 197 April 3 19:14 iscsi_the0

-RW-------1 root root 197 April 3 19:14 iscsi_the1

[email protected] ifaces]# cat Iscsi_eth0

# BEGIN RECORD 6.2.0-873.2.el6

Iface.iscsi_ifacename = Iscsi_eth0

Iface.transport_name = TCP

iface.vlan_id = 0

iface.vlan_priority = 0

Iface.iface_num = 0

IFACE.MTU = 0

Iface.port = 0

# END RECORD

[Email protected] ifaces]#

[Email protected] ifaces]# iscsiadm-m iface-i iscsi_eth0--op=update-n iface.net_ifacename-v eth0

Iscsi_eth0 updated.

[Email protected] ifaces]# iscsiadm-m iface-i iscsi_eth0--op=update-n iface.net_ifacename-v eth0

Iscsi_eth0 updated.

[Email protected] ifaces]#

6, RestartiSCSIService

[[Email protected] ifaces]# service iSCSI Restart

Stop iSCSI: [OK]

Starting iSCSI: [OK]

[Email protected] ifaces]#

EqualLogic configuration section

7.ConfigurationEquallogic, mapping aLUNsname isRedhat,size3Gof Space

It's simpler to allocate new disk blocks on the storage access site. No, the storage device comes with a URL that we can visit.

Redhat configuration section

8.doDiscover. To find out what I've seen.Redhatof theLUNs. Because there are two paths. Two rows are displayed.

[Email protected] ifaces]# iscsiadm-mdiscovery-t sendtargets-p 11.110.10.138:3260

Iscsiadm:cannot make connection to 11.110.10.138:connection refused

Iscsiadm:cannot make connection to 11.110.10.138:connection refused

Iscsiadm:cannot make connection to 11.110.10.138:connection refused

Iscsiadm:cannot make connection to 11.110.10.138:connection refused

^ciscsiadm:caught SIGINT, exiting ...

[Email protected] ifaces]#

IP address is the stored IP address

[Email protected] ifaces]# iscsiadm-mdiscovery-t sendtargets-p 11.110.10.22:3260

Iscsiadm:this command would remove Therecord [Iface:default, target:iqn.2001-05.com.equallogic:0- 8a0906-6dac38009-c1b1cac2d434efec-pddata, portal:11.110.10.22,3260],but A session is using it. Logout session then rerun command to remove record.

Iscsiadm:this command would remove Therecord [Iface:default, target:iqn.2001-05.com.equallogic:0- 8a0906-4061f7f09-29d248cfaed54b9d-pddata2, portal:11.110.10.22,3260], but a session is using it. Logout session then Reruncommand to remove record.

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6591f7f09-cf5248cfafa5577e-pddata3

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

11.110.10.22:3260,1 iqn.2001-05.com.equallogic:0-8a0906-6591f7f09-cf5248cfafa5577e-pddata3

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

11.110.10.22:3260,1 iqn.2001-05.com.equallogic:0-8a0906-6591f7f09-cf5248cfafa5577e-pddata3

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6591f7f09-cf5248cfafa5577e-pddata3

[Email protected] ifaces]#

9.Log onall theiSCSI Session, you can see the last twosuccessfulof theRedhat LUN, hasLog onit worked.

[Email protected] ifaces]# iscsiadm-m node-l

Logging in to [Iface:iscsi_eth1, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_eth0, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_the1, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_the0, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_eth1, Target:iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_eth0, Target:iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_the1, Target:iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_the0, Target:iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_eth1, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_eth0, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_the1, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, PORTAL:11.110.10.22,3260] (multiple)

Logging in to [Iface:iscsi_the0, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, PORTAL:11.110.10.22,3260] (multiple)

Login to [Iface:iscsi_eth1, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, Portal: 11.110.10.22,3260]successful.

Login to [Iface:iscsi_eth0, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, Portal: 11.110.10.22,3260]successful.

Login to [Iface:iscsi_the1, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, Portal: 11.110.10.22,3260]successful.

Login to [Iface:iscsi_the0, Target:iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata, Portal: 11.110.10.22,3260]successful.

Login to [Iface:iscsi_eth1, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-4061F7F09-29D248CFAED54B9D-PDDATA2, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_eth0, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-4061F7F09-29D248CFAED54B9D-PDDATA2, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_the1, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-4061F7F09-29D248CFAED54B9D-PDDATA2, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_the0, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-4061F7F09-29D248CFAED54B9D-PDDATA2, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_eth1, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_eth0, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_the1, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, Portal : 11.110.10.22,3260] successful.

Login to [Iface:iscsi_the0, TARGET:IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3, Portal : 11.110.10.22,3260] successful.

[Email protected] ifaces]#

Ten: Enteriscsiadm-m Sessionto see the currently connectedsession.

[Email protected] ifaces]# iscsiadm-msession

TCP: [Ten] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

TCP: [One] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

TCP: [11.110.10.22:3260,1IQN.2001-05.COM.EQUALLOGIC:0-8A0906-4061F7F09-29D248CFAED54B9D-PDDATA2]

TCP: [11.110.10.22:3260,1IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3]

TCP: [11.110.10.22:3260,1IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3]

TCP: [11.110.10.22:3260,1IQN.2001-05.COM.EQUALLOGIC:0-8A0906-6591F7F09-CF5248CFAFA5577E-PDDATA3]

TCP: [+] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6591f7f09-cf5248cfafa5577e-pddata3

TCP: [3] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

TCP: [4] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-4061f7f09-29d248cfaed54b9d-pddata2

TCP: [5] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

TCP: [6] 11.110.10.22:3260,1iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

TCP: [7] 11.110.10.22:3260,1 Iqn.2001-05.com.equallogic:0-8a0906-6dac38009-c1b1cac2d434efec-pddata

TCP: [8] 11.110.10.22:3260,1iqn.2001-0

Linux mounted iSCSI Storage disk devices