Last active
August 16, 2019 07:58
-
-
Save niedbalski/ae85dac1a3ea0b82ad05 to your computer and use it in GitHub Desktop.
Setup a ISCSI target multipath with Juju
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ juju bootstrap -e openstack_env | |
| $ juju add-machine | |
| $ nova interface-attach be8c7ed3-9f5c-41f8-b596-0ae7f35c773d | |
| $ nova interface-list be8c7ed3-9f5c-41f8-b596-0ae7f35c773d | |
| +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | |
| | Port State | Port ID | Net ID | IP addresses | MAC Addr | | |
| +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | |
| | ACTIVE | 9c58bd7f-324a-490e-881f-65134ba17915 | 2d5c6949-ae3d-4980-99cf-b17dcb56424a | 10.5.1.30 | fa:16:3e:73:ad:dd | | |
| | ACTIVE | c76d3bf1-9107-4f15-90e2-753c24b219b4 | 2d5c6949-ae3d-4980-99cf-b17dcb56424a | 10.5.1.31 | fa:16:3e:48:a3:4c | | |
| +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | |
| $ nova volume-create 100 | |
| $ nova volume-attach be8c7ed3-9f5c-41f8-b596-0ae7f35c773d volume-id | |
| $ juju ssh 1 | |
| # Enable the second interface, Edit /etc/network/interfaces. | |
| $ cat /etc/network/interfaces.d/eth1.cfg | |
| # The secondary network interfacs | |
| auto eth1 | |
| iface eth1 inet dhcp | |
| $ sudo ifup eth1 | |
| # Configuring Cinder: | |
| ## Configuration (cinder.conf) | |
| cinder: | |
| block-device: vdd | |
| ubuntu@niedbalski2-bastion:~/specs/1374999$ juju deploy cinder --config ./cinder.conf --to 1 | |
| Added charm "cs:trusty/cinder-23" to the environment. | |
| # Configure the other openstack services | |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| $ juju bootstrap -e openstack_env | |
| $ juju add-machine | |
| $ nova interface-attach be8c7ed3-9f5c-41f8-b596-0ae7f35c773d | |
| $ nova interface-list be8c7ed3-9f5c-41f8-b596-0ae7f35c773d | |
| +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | |
| | Port State | Port ID | Net ID | IP addresses | MAC Addr | | |
| +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | |
| | ACTIVE | 9c58bd7f-324a-490e-881f-65134ba17915 | 2d5c6949-ae3d-4980-99cf-b17dcb56424a | 10.5.1.30 | fa:16:3e:73:ad:dd | | |
| | ACTIVE | c76d3bf1-9107-4f15-90e2-753c24b219b4 | 2d5c6949-ae3d-4980-99cf-b17dcb56424a | 10.5.1.31 | fa:16:3e:48:a3:4c | | |
| +------------+--------------------------------------+--------------------------------------+--------------+-------------------+ | |
| $ nova volume-create 100 | |
| $ nova volume-attach be8c7ed3-9f5c-41f8-b596-0ae7f35c773d volume-id | |
| $ juju ssh 1 | |
| # Enable the second interface, Edit /etc/network/interfaces. | |
| $ cat /etc/network/interfaces.d/eth1.cfg | |
| # The secondary network interfacs | |
| auto eth1 | |
| iface eth1 inet dhcp | |
| $ sudo ifup eth1 | |
| # Configure lvm | |
| $ sudo apt-get install lvm2 | |
| $ sudo pvcreate /dev/vdd | |
| $ sudo vgcreate storage /dev/vdd | |
| $ sudo lvcreate -L 25G -n volume-01 storage #this will create /dev/storage/volume-01 | |
| Setting up the targets | |
| ====================== | |
| $ sudo apt-get install tgt | |
| $ sudo tgtadm --lld iscsi --op new --mode target --tid 1 --targetname iqn.2015-05.com.niedbalski:storage | |
| #Attach a logical unit ( LUN ) | |
| $ sudo tgtadm --lld iscsi --op new --mode logicalunit --tid 1 --lun 1 --backing-store /dev/storage/volume-01 | |
| # Make the setup persistent across reboots | |
| $ sudo tgt-admin --dump > /etc/tgt/conf.d/my-targets.conf | |
| $ cat /etc/tgt/conf.d/my-targets.conf | |
| default-driver iscsi | |
| <target iqn.201505.com.niedbalski:storage> | |
| backing-store /dev/virtstore/volume-01 | |
| </target> | |
| $ sudo restart tgt | |
| # Verify that LUN 1 exists | |
| $ sudo tgtadm --mode target --op show | |
| Target 1: iqn.201505.com.niedbalski:storage | |
| System information: | |
| Driver: iscsi | |
| State: ready | |
| I_T nexus information: | |
| LUN information: | |
| LUN: 0 | |
| Type: controller | |
| SCSI ID: IET 00010000 | |
| SCSI SN: beaf10 | |
| Size: 0 MB, Block size: 1 | |
| Online: Yes | |
| Removable media: No | |
| Prevent removal: No | |
| Readonly: No | |
| SWP: No | |
| Thin-provisioning: No | |
| Backing store type: null | |
| Backing store path: None | |
| Backing store flags: | |
| LUN: 1 | |
| Type: disk | |
| SCSI ID: IET 00010001 | |
| SCSI SN: beaf11 | |
| Size: 26844 MB, Block size: 512 | |
| Online: Yes | |
| Removable media: No | |
| Prevent removal: No | |
| Readonly: No | |
| SWP: No | |
| Thin-provisioning: No | |
| Backing store type: rdwr | |
| Backing store path: /dev/virtstore/volume-01 | |
| Backing store flags: | |
| Account information: | |
| ACL information: | |
| ALL | |
| # Now setup another machine as the iscsi initiator | |
| $ juju add-machine | |
| $ juju ssh 2 | |
| $ sudo apt-get install open-iscsi open-iscsi-utils multipath-tools | |
| # Start the iscsi discovery with both ips | |
| $ sudo iscsiadm -m discovery -t sendtargets -p 10.5.1.30 | |
| $ sudo iscsiadm -m discovery -t sendtargets -p 10.5.1.31 | |
| # At this point you should login into the target | |
| $ sudo iscsiadm -m node -T iqn.201505.com.niedbalski:storage -p 10.5.1.30 --login | |
| Logging in to [iface: default, target: iqn.201505.com.niedbalski:storage, portal: 10.5.1.30,3260] (multiple) | |
| Login to [iface: default, target: iqn.201505.com.niedbalski:storage, portal: 10.5.1.30,3260] successful. | |
| $ sudo iscsiadm -m node -T iqn.201505.com.niedbalski:storage -p 10.5.1.31 --login | |
| sudo: unable to resolve host juju-1374999-machine-2 | |
| Logging in to [iface: default, target: iqn.201505.com.niedbalski:storage, portal: 10.5.1.31,3260] (multiple) | |
| Login to [iface: default, target: iqn.201505.com.niedbalski:storage, portal: 10.5.1.31,3260] successful. | |
| # And finally you should validate that multipath is working correctly. | |
| $ sudo multipath -ll | |
| 33000000100000001 dm-0 IET,VIRTUAL-DISK | |
| size=25G features='0' hwhandler='0' wp=rw | |
| |-+ policy='round-robin 0' prio=1 status=active | |
| | - 3:0:0:1 sdb 8:16 active ready running | |
| -+- policy='round-robin 0' prio=1 status=enabled | |
| - 2:0:0:1 sda 8:0 active ready running | |
| Multipath has detected a redundant path for sdb and sda and created a device which i could use. | |
| Next step is to configure cinder to use this ISCI backend. |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment