[Bug 1931455] Re: open-iscsi fails to create nodes directory

[Logan M Anderson]

I'm having issues recreating the problem (i.e. it's working like it
should), so take this with a grain of salt.

On a fresh Ubuntu 20.04.2 install, fully updated:

> sudo apt update -y && sudo apt full-upgrade -y && sudo apt auto-remove
-y

I would send the discovery command:

> sudo iscsiadm -m discovery -t sendtargets -p 192.168.35.99

And because the open-iscsi service wasn't running, this command would
not discover anything.  As soon as I populated the folder and restart
the service:

> sudo mkdir -p /etc/iscsi/nodes/something/
> sudo systemctl restart open-iscsi.service iscsid.service

I would get SOMETHING out of the discovery command:

>sudo iscsiadm -m discovery -t sendtargets -p 192.168.35.99
192.168.35.99:3260,1 iqn.2014-04.com.junos:tlv-13691u-rp:iscsi.initserver.387862


But like I said I am having trouble recreating this and it seems to be working as intended now.  I don't know if there was an update between June 4th and June 10th but mostly I'm just happy it's working.

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https://bugs.launchpad.net/bugs/1931455

Title:
  open-iscsi fails to create nodes directory

Status in open-iscsi package in Ubuntu:
  Incomplete

Bug description:
  open-iscsi will not run without the nodes directory, but the nodes
  directory is created and populated by the open-iscsi service.
  Chicken/Egg.

  Mitigated by creating and populating the nodes with junk directories
  to be deleted later:

  linuxsudoer at banana01ubu:/etc/iscsi$ sudo systemctl status open-iscsi.service
  ● open-iscsi.service - Login to default iSCSI targets
       Loaded: loaded (/lib/systemd/system/open-iscsi.service; enabled; vendor preset: enabled)
       Active: inactive (dead)
    Condition: start condition failed at Tue 2021-06-08 19:05:21 UTC; 25min ago
  ---->        ├─ ConditionDirectoryNotEmpty=|/etc/iscsi/nodes was not met
               └─ ConditionDirectoryNotEmpty=|/sys/class/iscsi_session was not met
         Docs: man:iscsiadm(8)
               man:iscsid(8)

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