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