[ClusterLabs] "iscsi.service: Unit cannot be reloaded because it is inactive."

Jason Long hack3rcon at yahoo.com
Wed Apr 7 11:44:59 EDT 2021


Thank you.
The problem was that I forgot to open port 3260/tcp on my node1 and node2. I opened that port on my nodes and result is:

Full List of Resources:
    * Resource Group: apache:
    * httpd_fs    (ocf::heartbeat:Filesystem):     Started
    * httpd_vip    (ocf::heartbeat:IPaddr2):        Started
    * httpd_ser    (ocf::heartbeat:apache):        Started






On Monday, April 5, 2021, 07:28:11 PM GMT+4:30, Ken Gaillot <kgaillot at redhat.com> wrote: 





On Sat, 2021-04-03 at 14:35 +0000, Jason Long wrote:
> Hello,
> I configure my clustering labs with three nodes. One of my nodes
> is iSCSI Shared Storage. Everything was OK until I restarted my iSCSI
> Shared Storage. On node1 I checked the status of my cluster:
> 
> # pcs status 
> Cluster name: mycluster
> Cluster Summary:
>  * Stack: corosync
>  * Current DC: node1 (version 2.0.5-10.fc33-ba59be7122) - partition
> with quorum
>  * Last updated: Sat Apr  3 18:45:49 2021
>  * Last change:  Mon Mar 29 19:36:35 2021 by root via cibadmin on
> node1
>  * 2 nodes configured
>  * 3 resource instances configured
> 
> 
> Node List:
>  * Online: [ node1 node2 ]
> 
> 
> Full List of Resources:
>  * Resource Group: apache:
>    * httpd_fs    (ocf::heartbeat:Filesystem):    Stopped
>    * httpd_vip    (ocf::heartbeat:IPaddr2):    Stopped
>    * httpd_ser    (ocf::heartbeat:apache):    Stopped
> 
> 
> Failed Resource Actions:
>  * httpd_fs_start_0 on node1 'not installed' (5): call=14,
> status='complete', exitreason='Couldn't find device
> [/dev/mapper/vg_apache-lv_apache]. Expected /dev/??? to exist', last-
> rc-change='2021-04-03 18:37:04 +04:30', queued=0ms, exec=502ms
>  * httpd_fs_start_0 on node2 'not installed' (5): call=14,
> status='complete', exitreason='Couldn't find device
> [/dev/mapper/vg_apache-lv_apache]. Expected /dev/??? to exist', last-
> rc-change='2021-04-03 18:37:05 +04:30', queued=0ms, exec=540ms

The above messages suggest that the web server file system requires the
vg_apache volume group and lv_apache logical volume to be active, but
they aren't. You may want to look at the ocf:heartbeat:LVM and
ocf:heartbeat:LVM-activate resource agents to bring these dependencies
into the cluster.

The ocf:heartbeat:iSCSILogicalUnit and ocf:heartbeat:iSCSITarget agents
may also be of interest.


> 
> Daemon Status:
>  corosync: active/enabled
>  pacemaker: active/enabled
>  pcsd: active/enabled
> 
> 
> And checked the iSCSI Shared Storage. It showed me below error:
> 
> [root at node3 ~]# systemctl status iscsi.service 
> ● iscsi.service - Login and scanning of iSCSI devices
>      Loaded: loaded (/usr/lib/systemd/system/iscsi.service; enabled;
> vendor preset: enabled)
>      Active: inactive (dead)
>  Condition: start condition failed at Sat 2021-04-03 18:49:08 +0430;
> 2s ago
>              └─ ConditionDirectoryNotEmpty=/var/lib/iscsi/nodes was
> not met
>        Docs: man:iscsiadm(8)
>              man:iscsid(8)
> 
> 
> Apr 03 18:39:17 node3.localhost.localdomain systemd[1]: Condition
> check resulted in Login and scanning of iSCSI devices being skipped.
> Apr 03 18:39:17 node3.localhost.localdomain systemd[1]:
> iscsi.service: Unit cannot be reloaded because it is inactive.
> Apr 03 18:39:17 node3.localhost.localdomain systemd[1]:
> iscsi.service: Unit cannot be reloaded because it is inactive.
> Apr 03 18:49:08 node3.localhost.localdomain systemd[1]: Condition
> check resulted in Login and scanning of iSCSI devices being skipped.
> 
> 
> Why "iscsi.service" is inactive? I tried to restart it, but it
> couldn't start!
> How to solve it?
> 
> Thanks.

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-- 
Ken Gaillot <kgaillot at redhat.com>

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