Re: add existing rbd to new tcmu iscsi gateways

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On Wed, Oct 10, 2018 at 5:42 PM Brady Deetz <bdeetz@xxxxxxxxx> wrote:
>
> Looks like that may have recently been broken.
>
> Unfortunately no real logs of use in rbd-target-api.log or rbd-target-gw.log. Is there an increased log level I can enable for whatever web-service is handling this?
>
> [root@dc1srviscsi01 ~]# rbd -p vmware_ssd_metadata --data-pool vmware_ssd --size 2T create ssd_test_0
>
> [root@dc1srviscsi01 ~]# rbd -p vmware_ssd_metadata info ssd_test_0
> rbd image 'ssd_test_0':
>         size 2 TiB in 524288 objects
>         order 22 (4 MiB objects)
>         id: b4343f6b8b4567
>         data_pool: vmware_ssd
>         block_name_prefix: rbd_data.56.b4343f6b8b4567
>         format: 2
>         features: layering, exclusive-lock, object-map, fast-diff, deep-flatten, data-pool
>         op_features:
>         flags:
>         create_timestamp: Wed Oct 10 16:36:18 2018
>
> [root@dc1srviscsi01 ~]# gwcli
> /> cd disks/
> /disks> create pool=vmware_ssd_metadata image=vmware_ssd_metadata.ssd_test_0 size=2T
> Failed : 500 INTERNAL SERVER ERROR

You have the pool name specified twice -- you shouldn't pass the pool
name to the "image=" parameter. Also, I think you might need to rename
the image since the ceph-iscsi-config package will restrict the image
name to alpha-numeric + hyphens (no underscores apparently). I tried
running it on the latest master build of gwcli and it worked fine.

> /disks>
>
>
> [root@dc1srviscsi02 ~]# rpm -qa |egrep "ceph|iscsi|tcmu|rst|kernel-ml"
> ceph-mds-13.2.2-0.el7.x86_64
> ceph-mgr-13.2.2-0.el7.x86_64
> ceph-release-1-1.el7.noarch
> tcmu-runner-1.4.0-1.el7.x86_64
> ceph-iscsi-cli-2.7-54.g9b18a3b.el7.noarch
> ceph-common-13.2.2-0.el7.x86_64
> ceph-mon-13.2.2-0.el7.x86_64
> ceph-13.2.2-0.el7.x86_64
> tcmu-runner-debuginfo-1.4.0-1.el7.x86_64
> ceph-iscsi-config-2.6-42.gccca57d.el7.noarch
> libcephfs2-13.2.2-0.el7.x86_64
> ceph-base-13.2.2-0.el7.x86_64
> ceph-osd-13.2.2-0.el7.x86_64
> ceph-radosgw-13.2.2-0.el7.x86_64
> kernel-ml-4.18.12-1.el7.elrepo.x86_64
> python-cephfs-13.2.2-0.el7.x86_64
> ceph-selinux-13.2.2-0.el7.x86_64
>
>
>
> On Tue, Oct 9, 2018 at 3:51 PM Jason Dillaman <jdillama@xxxxxxxxxx> wrote:
>>
>> On Tue, Oct 9, 2018 at 3:14 PM Brady Deetz <bdeetz@xxxxxxxxx> wrote:
>> >
>> > I am attempting to migrate to the new tcmu iscsi gateway. Is there a way to configure gwcli to export an rbd that was created outside gwcli?
>>
>> You should be able to just run "/disks create <pool>.<image name>
>> <size>" from within "gwcli" to have it add an existing image.
>>
>> > This is necessary for me because I have a lun exported from an old LIO gateway to a Windows host that I need to transition to the new tcmu based cluster.
>> > _______________________________________________
>> > ceph-users mailing list
>> > ceph-users@xxxxxxxxxxxxxx
>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>>
>>
>> --
>> Jason



-- 
Jason
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