Hi,
i'm running a ceph mimic cluster with 4x ISCSI gateway nodes. Cluster was setup
via ceph-ansible v3.2-stable. I just checked my nodes and saw that only two of
the four configured iscsi gw nodes are working correct. I first noticed via
gwcli:
###
$gwcli -d ls
Traceback (most recent call last):
File "/usr/bin/gwcli", line 191, in <module>
main()
File "/usr/bin/gwcli", line 103, in main
root_node.refresh()
File "/usr/lib/python2.7/site-packages/gwcli/gateway.py", line 87, in refresh
raise GatewayError
gwcli.utils.GatewayError
###
I investigated and noticed that both "rbd-target-api" and "rbd-target-gw" are
not running. I were not able to restart them via systemd. I then found that
even tcmu-runner is not running and it exits with the following error:
###
tcmu_rbd_check_image_size:827 rbd/production.lun1: Mismatched sizes. RBD image
size 5498631880704. Requested new size 5497558138880.
###
Now i have the situation that two nodes are running correct and two cant start
tcmu-runner. I don't know where the image size mismatches are coming from - i
haven't configured or resized any of the images.
Is there any chance to get my two iscsi gw nodes back working?
The following packets are installed:
rpm -qa |egrep "ceph|iscsi|tcmu|rst|kernel"
libtcmu-1.4.0-106.gd17d24e.el7.x86_64
ceph-iscsi-cli-2.7-2.7.el7.noarch
kernel-3.10.0-957.5.1.el7.x86_64
ceph-base-13.2.5-0.el7.x86_64
ceph-iscsi-config-2.6-2.6.el7.noarch
ceph-common-13.2.5-0.el7.x86_64
ceph-selinux-13.2.5-0.el7.x86_64
kernel-tools-libs-3.10.0-957.5.1.el7.x86_64
python-cephfs-13.2.5-0.el7.x86_64
ceph-osd-13.2.5-0.el7.x86_64
kernel-headers-3.10.0-957.5.1.el7.x86_64
kernel-tools-3.10.0-957.5.1.el7.x86_64
kernel-3.10.0-957.1.3.el7.x86_64
libcephfs2-13.2.5-0.el7.x86_64
kernel-3.10.0-862.14.4.el7.x86_64
tcmu-runner-1.4.0-106.gd17d24e.el7.x86_64
Thanks,
Greets
Kilian
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