6:47 p.m.
Am 22.06.2018 um 17:38 schrieb Nir Soffer:
On Fri, Jun 22, 2018 at 6:22 PM Bernhard Dick <bernhard(a)bdick.de
<mailto:bernhard@bdick.de>> wrote:
I've a problem creating an iSCSI storage domain. My hosts are running
the current ovirt 4.2 engine-ng
What is engine-ng?
sorry, I mixed it up. It is ovirt node-ng.
version. I can detect and login to the
iSCSI targets, but I cannot see any LUNs (on the LUNs > Targets page).
That happens with our storage and with a linux based iSCSI target which
I created for testing purposes.
Linux based iscsi based target works fine, we use it a lot for testing
environment.
Can you share the output of these commands on the the host connected
to the storage server?
lsblk
NAME MAJ:MIN RM SIZE RO
TYPE MOUNTPOINT
sda 8:0 0 64G 0
disk
sda1 8:1 0 1G 0
part /boot
sda2 8:2 0 63G 0 part
onn-pool00_tmeta 253:0 0 1G 0
lvm
onn-pool00-tpool 253:2 0 44G 0 lvm
onn-ovirt--node--ng--4.2.3.1--0.20180530.0+1 253:3 0 17G 0
lvm /
onn-pool00 253:12 0 44G 0 lvm
onn-var_log_audit 253:13 0 2G 0
lvm /var/log/audit
onn-var_log 253:14 0 8G 0
lvm /var/log
onn-var 253:15 0 15G 0
lvm /var
onn-tmp 253:16 0 1G 0
lvm /tmp
onn-home 253:17 0 1G 0
lvm /home
onn-root 253:18 0 17G 0 lvm
onn-ovirt--node--ng--4.2.2--0.20180430.0+1 253:19 0 17G 0 lvm
onn-var_crash 253:20 0 10G 0 lvm
onn-pool00_tdata 253:1 0 44G 0
lvm
onn-pool00-tpool 253:2 0 44G 0 lvm
onn-ovirt--node--ng--4.2.3.1--0.20180530.0+1 253:3 0 17G 0
lvm /
onn-pool00 253:12 0 44G 0 lvm
onn-var_log_audit 253:13 0 2G 0
lvm /var/log/audit
onn-var_log 253:14 0 8G 0
lvm /var/log
onn-var 253:15 0 15G 0
lvm /var
onn-tmp 253:16 0 1G 0
lvm /tmp
onn-home 253:17 0 1G 0
lvm /home
onn-root 253:18 0 17G 0 lvm
onn-ovirt--node--ng--4.2.2--0.20180430.0+1 253:19 0 17G 0 lvm
onn-var_crash 253:20 0 10G 0 lvm
onn-swap 253:4 0 6.4G 0
lvm [SWAP]
sdb 8:16 0 256G 0
disk
gluster_vg_sdb-gluster_thinpool_sdb_tmeta 253:5 0 1G 0 lvm
gluster_vg_sdb-gluster_thinpool_sdb-tpool 253:7 0 129G 0 lvm
gluster_vg_sdb-gluster_thinpool_sdb 253:8 0 129G 0 lvm
gluster_vg_sdb-gluster_lv_data 253:10 0 64G 0
lvm /gluster_bricks/data
gluster_vg_sdb-gluster_lv_vmstore 253:11 0 64G 0
lvm /gluster_bricks/vmstore
gluster_vg_sdb-gluster_thinpool_sdb_tdata 253:6 0 129G 0 lvm
gluster_vg_sdb-gluster_thinpool_sdb-tpool 253:7 0 129G 0 lvm
gluster_vg_sdb-gluster_thinpool_sdb 253:8 0 129G 0 lvm
gluster_vg_sdb-gluster_lv_data 253:10 0 64G 0
lvm /gluster_bricks/data
gluster_vg_sdb-gluster_lv_vmstore 253:11 0 64G 0
lvm /gluster_bricks/vmstore
gluster_vg_sdb-gluster_lv_engine 253:9 0 100G 0
lvm /gluster_bricks/engine
sdc 8:32 0 500G 0
disk
sdd 8:48 0 1G 0
disk
sr0 11:0 1 1.1G 0
rom
here sdc is from the storage, sdd is from the linux based target.
multipath -ll
No Output
cat /etc/multipath.conf
# VDSM REVISION 1.3
# VDSM PRIVATE
# VDSM REVISION 1.5
# This file is managed by vdsm.
# [...]
defaults {
# [...]
polling_interval 5
# [...]
no_path_retry 4
# [...]
user_friendly_names no
# [...]
flush_on_last_del yes
# [...]
fast_io_fail_tmo 5
# [...]
dev_loss_tmo 30
# [...]
max_fds 4096
}
# Remove devices entries when overrides section is available.
devices {
device {
# [...]
all_devs yes
no_path_retry 4
}
}
# [...]
# inserted by blacklist_all_disks.sh
blacklist {
devnode "*"
}
vdsm-client Host getDeviceList
[]
Nir
When I logon to the ovirt hosts I see that they are connected with the
target LUNs (dmesg is telling that there are iscsi devices being found
and they are getting assigned to devices in /dev/sdX ). Writing and
reading from the devices (also accros hosts) works. Do you have some
advice how to troubleshoot this?
Regards
Bernhard
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Dipl.-Inf. Bernhard Dick
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DE-46485 Wesel
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