| Summary: | [RFE] [ceph-iscsi-ansible]: Creation of multiple target IQN's on the same gateway nodes should be blocked through ansible | ||
|---|---|---|---|
| Product: | Red Hat Ceph Storage | Reporter: | Tejas <tchandra> |
| Component: | iSCSI | Assignee: | Paul Cuzner <pcuzner> |
| Status: | CLOSED WONTFIX | QA Contact: | ceph-qe-bugs <ceph-qe-bugs> |
| Severity: | high | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 3.0 | CC: | adeza, anharris, aschoen, ceph-eng-bugs, ceph-qe-bugs, gmeno, jdillama, kdreyer, nthomas, pcuzner, sankarshan, tchandra |
| Target Milestone: | rc | Keywords: | FutureFeature |
| Target Release: | 4.0 | ||
| Hardware: | Unspecified | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-11-06 18:58:26 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
This is a known issue. It's possible the LIO instance already has a target defined - which may be a valid customer scenario. Are you saying that the gateway creation should abort if it finds an existing target entry? Hi Paul,
Yes I fell we need to have a check if an IQN already exists on the target, and fail with a similar error.
Thanks,
Tejas
This seems like an RFE instead of a bug since it's just asking for additional guards -- priority / severity at a minimum should be lowered to medium priority / low severity. Future direction of the upstream project will incorporate support for multiple target IQNs per gateway, so adding a restriction would run counter to this. |
Description of problem: Using ceph-iscsi-ansible if we change the target iqn and run the iscsi playbook, it will create a new target with the new IQN, along with the ols target. This will result in 2 targets using the same gateway nodes. I fell that this should not be allowed. Version-Release number of selected component (if applicable): ceph-iscsi-ansible-1.5-1.el7scon.noarch ansible-1.9.4-1.el7aos.noarch ceph-ansible-1.0.5-39.el7scon.noarch How reproducible: Always Steps to Reproduce: 1. Create a Iscsi target setup with one IQN. 2. Change the IQN in group_vars/ceph-iscsi-gw and rerun the playbook. Additional info: root@mustang ~]# targetcli ls o- / ......................................................................................................................... [...] o- backstores .............................................................................................................. [...] | o- block .................................................................................................. [Storage Objects: 4] | | o- pool1.ansible1 ................................................ [/dev/mapper/1-1125216231b (100.0GiB) write-thru activated] | | o- rbd.ansible1 .................................................. [/dev/mapper/0-1057216231b (300.0GiB) write-thru activated] | | o- rbd.ansible2 .................................................. [/dev/mapper/0-107612200854 (15.0GiB) write-thru activated] | | o- rbd.ansible4 .................................................. [/dev/mapper/0-10b4216231b (500.0GiB) write-thru activated] | o- fileio ................................................................................................. [Storage Objects: 0] | o- pscsi .................................................................................................. [Storage Objects: 0] | o- ramdisk ................................................................................................ [Storage Objects: 0] o- iscsi ............................................................................................................ [Targets: 2] | o- iqn.2003-01.com.redhat.iscsi-gw:ceph-igw1 ......................................................................... [TPGs: 4] | | o- tpg1 .......................................................................................... [no-gen-acls, auth per-acl] <------------- | | | o- acls .......................................................................................................... [ACLs: 0] | | | o- luns .......................................................................................................... [LUNs: 4] | | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | | o- portals .................................................................................................... [Portals: 1] | | | o- 10.70.39.16:3260 ................................................................................................. [OK] | | o- tpg2 ........................................................................................................... [disabled] | | | o- acls .......................................................................................................... [ACLs: 0] | | | o- luns .......................................................................................................... [LUNs: 4] | | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | | o- portals .................................................................................................... [Portals: 1] | | | o- 10.70.39.17:3260 ................................................................................................. [OK] | | o- tpg3 ........................................................................................................... [disabled] | | | o- acls .......................................................................................................... [ACLs: 0] | | | o- luns .......................................................................................................... [LUNs: 4] | | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | | o- portals .................................................................................................... [Portals: 1] | | | o- 10.70.39.13:3260 ................................................................................................. [OK] | | o- tpg4 ........................................................................................................... [disabled] | | o- acls .......................................................................................................... [ACLs: 0] | | o- luns .......................................................................................................... [LUNs: 4] | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | o- portals .................................................................................................... [Portals: 1] | | o- 10.70.39.18:3260 ................................................................................................. [OK] | o- iqn.2003-01.com.redhat.iscsi-gw:ceph-igw12 ........................................................................ [TPGs: 4] <---------------------- | o- tpg1 .......................................................................................... [no-gen-acls, auth per-acl] | | o- acls .......................................................................................................... [ACLs: 1] | | | o- iqn.1991-05.com.microsoft:w2k12r2 ........................................................ [1-way auth, Mapped LUNs: 0] | | o- luns .......................................................................................................... [LUNs: 4] | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | o- portals .................................................................................................... [Portals: 1] | | o- 10.70.39.16:3260 ................................................................................................. [OK] | o- tpg2 ........................................................................................................... [disabled] | | o- acls .......................................................................................................... [ACLs: 0] | | o- luns .......................................................................................................... [LUNs: 4] | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | o- portals .................................................................................................... [Portals: 1] | | o- 10.70.39.17:3260 ................................................................................................. [OK] | o- tpg3 ........................................................................................................... [disabled] | | o- acls .......................................................................................................... [ACLs: 0] | | o- luns .......................................................................................................... [LUNs: 4] | | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | | o- portals .................................................................................................... [Portals: 1] | | o- 10.70.39.13:3260 ................................................................................................. [OK] | o- tpg4 ........................................................................................................... [disabled] | o- acls .......................................................................................................... [ACLs: 0] | o- luns .......................................................................................................... [LUNs: 4] | | o- lun0 ................................................................. [block/rbd.ansible1 (/dev/mapper/0-1057216231b)] | | o- lun1 ................................................................ [block/rbd.ansible2 (/dev/mapper/0-107612200854)] | | o- lun3 ................................................................. [block/rbd.ansible4 (/dev/mapper/0-10b4216231b)] | | o- lun4 ............................................................... [block/pool1.ansible1 (/dev/mapper/1-1125216231b)] | o- portals .................................................................................................... [Portals: 1] | o- 10.70.39.18:3260 ................................................................................................. [OK] o- loopback ......................................................................................................... [Targets: 0] [root@mustang ~]# ll /dev/mapper/ total 0 lrwxrwxrwx. 1 root root 7 Nov 7 11:10 0-1057216231b -> ../dm-3 lrwxrwxrwx. 1 root root 7 Nov 7 10:47 0-107612200854 -> ../dm-4 lrwxrwxrwx. 1 root root 7 Nov 7 10:47 0-10b4216231b -> ../dm-6 lrwxrwxrwx. 1 root root 7 Nov 7 11:10 1-1125216231b -> ../dm-7 root@skymaster ~]# iscsiadm -m discovery -t st -p 10.70.39.13 10.70.39.16:3260,1 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw12 10.70.39.17:3260,2 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw12 10.70.39.13:3260,3 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw12 10.70.39.18:3260,4 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw12 10.70.39.16:3260,1 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw1 10.70.39.17:3260,2 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw1 10.70.39.13:3260,3 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw1 10.70.39.18:3260,4 iqn.2003-01.com.redhat.iscsi-gw:ceph-igw1