diff options
Diffstat (limited to 'src/ceph/doc/rbd/iscsi-initiator-rhel.rst')
| -rw-r--r-- | src/ceph/doc/rbd/iscsi-initiator-rhel.rst | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/src/ceph/doc/rbd/iscsi-initiator-rhel.rst b/src/ceph/doc/rbd/iscsi-initiator-rhel.rst deleted file mode 100644 index 51248e4..0000000 --- a/src/ceph/doc/rbd/iscsi-initiator-rhel.rst +++ /dev/null @@ -1,90 +0,0 @@ ------------------------------------------------- -The iSCSI Initiator for Red Hat Enterprise Linux ------------------------------------------------- - -**Prerequisite:** - -- Package ``iscsi-initiator-utils-6.2.0.873-35`` or newer must be - installed - -- Package ``device-mapper-multipath-0.4.9-99`` or newer must be - installed - -**Installing:** - -Install the iSCSI initiator and multipath tools: - - :: - - # yum install iscsi-initiator-utils - # yum install device-mapper-multipath - -**Configuring:** - -#. Create the default ``/etc/multipath.conf`` file and enable the - ``multiapthd`` service: - - :: - - # mpathconf --enable --with_multipathd y - -#. Add the following to ``/etc/multipath.conf`` file: - - :: - - devices { - device { - vendor "LIO-ORG" - hardware_handler "1 alua" - path_grouping_policy "failover" - path_selector "queue-length 0" - failback 60 - path_checker tur - prio alua - prio_args exclusive_pref_bit - fast_oi_fail_tmo 25 - no_path_retry queue - } - } - -#. Restart the ``multipathd`` service: - - :: - - # systemctl reload multipathd - -**iSCSI Discovery and Setup:** - -#. Discover the target portals: - - :: - - # iscsiadm -m discovery -t -st 192.168.56.101 - 192.168.56.101:3260,1 iqn.2003-01.org.linux-iscsi.rheln1 - 192.168.56.102:3260,2 iqn.2003-01.org.linux-iscsi.rheln1 - -#. Login to target: - - :: - - # iscsiadm -m node -T iqn.2003-01.org.linux-iscsi.rheln1 -l - -**Multipath IO Setup:** - -The multipath daemon (``multipathd``), will set up devices automatically -based on the ``multipath.conf`` settings. Running the ``multipath`` -command show devices setup in a failover configuration with a priority -group for each path. - -:: - - # multipath -ll - mpathbt (360014059ca317516a69465c883a29603) dm-1 LIO-ORG ,IBLOCK - size=1.0G features='0' hwhandler='1 alua' wp=rw - |-+- policy='queue-length 0' prio=50 status=active - | `- 28:0:0:1 sde 8:64 active ready running - `-+- policy='queue-length 0' prio=10 status=enabled - `- 29:0:0:1 sdc 8:32 active ready running - -You should now be able to use the RBD image like you would a normal -multipath’d iSCSI disk. |