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Hi, Am 19.07.2017 um 04:52 schrieb Vinícius Ferrão:
I’m joining the crowd with iSCSI Multipath issues on oVirt here. I’m trying to enable the feature without success too.
Here’s what I’ve done, step-by-step.
1. Installed oVirt Node 4.1.3 with the following network settings:
eno1 and eno2 on a 802.3ad (LACP) Bond, creating a bond0 interface. eno3 with 9216 MTU. eno4 with 9216 MTU. vlan11 on eno3 with 9216 MTU and fixed IP addresses. vlan12 on eno4 with 9216 MTU and fixed IP addresses.
eno3 and eno4 are my iSCSI MPIO Interfaces, completelly segregated, on different switches.
This is the point: the OVirt implementation of iSCSI-Bonding assumes that all network interfaces in the bond can connect/reach all targets, including those in the other net(s). The fact that you use separate, isolated networks means that this is not the case in your setup (and not in mine). I am not sure if this is a bug, a design flaw or a feature, but as a result of this OVirt's iSCSI-Bonding does not work for us. Please see my mail from yesterday for a workaround. cu, Uwe
Hi Vinícius, For some reason it looks like your networks are both connected to the same IPs. based on the VDSM logs: u'connectionParams':[ { u'netIfaceName':u'eno3.11', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno3.11', u'connection':u'192.168.12.14', } u'netIfaceName':u'eno4.12', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno4.12', u'connection':u'192.168.12.14', } ], Can you try to reconnect to the iSCSI storage domain after re-initializing your iscsiadm on your host. 1. Move your iSCSI storage domain to maintenance in oVirt by deactivating it 2. In your VDSM host, log out from your iscsi open sessions which are related to this storage domain if that is your only iSCSI storage domain log out from all the sessions: "iscsiadm -m session -u" 3. Stop the iscsid service: "service iscsid stop" 4. Move your network interfaces configured in the iscsiadm to a temporary folder: mv /var/lib/iscsi/ifaces/* /tmp/ifaces 5. Start the iscsid service "service iscsid start" Regards, Maor and Benny On Wed, Jul 19, 2017 at 1:01 PM, Uwe Laverenz <uwe@laverenz.de> wrote:
Hi,
Am 19.07.2017 um 04:52 schrieb Vinícius Ferrão:
I’m joining the crowd with iSCSI Multipath issues on oVirt here. I’m trying to enable the feature without success too.
Here’s what I’ve done, step-by-step.
1. Installed oVirt Node 4.1.3 with the following network settings:
eno1 and eno2 on a 802.3ad (LACP) Bond, creating a bond0 interface. eno3 with 9216 MTU. eno4 with 9216 MTU. vlan11 on eno3 with 9216 MTU and fixed IP addresses. vlan12 on eno4 with 9216 MTU and fixed IP addresses.
eno3 and eno4 are my iSCSI MPIO Interfaces, completelly segregated, on different switches.
This is the point: the OVirt implementation of iSCSI-Bonding assumes that all network interfaces in the bond can connect/reach all targets, including those in the other net(s). The fact that you use separate, isolated networks means that this is not the case in your setup (and not in mine).
I am not sure if this is a bug, a design flaw or a feature, but as a result of this OVirt's iSCSI-Bonding does not work for us.
Please see my mail from yesterday for a workaround.
cu, Uwe _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Le 25/07/2017 à 10:26, Maor Lipchuk a écrit :
Hi Vinícius,
For some reason it looks like your networks are both connected to the same IPs.
Hi, Sorry to jump in this thread, but I'm concerned with this issue. Correct me if I'm wrong, but in this thread, many people are using Equallogic SANs, which provides only one virtual IP to connect to. -- Nicolas ECARNOT
Hi Vinícius, I was trying to reproduce your scenario and also encountered this issue, so please disregard my last comment, can you please open a bug on that so we can investigate it properly Thanks, Maor On Tue, Jul 25, 2017 at 11:26 AM, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
For some reason it looks like your networks are both connected to the same IPs.
based on the VDSM logs: u'connectionParams':[ { u'netIfaceName':u'eno3.11', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno3.11', u'connection':u'192.168.12.14', } u'netIfaceName':u'eno4.12', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno4.12', u'connection':u'192.168.12.14', } ],
Can you try to reconnect to the iSCSI storage domain after re-initializing your iscsiadm on your host.
1. Move your iSCSI storage domain to maintenance in oVirt by deactivating it
2. In your VDSM host, log out from your iscsi open sessions which are related to this storage domain if that is your only iSCSI storage domain log out from all the sessions: "iscsiadm -m session -u"
3. Stop the iscsid service: "service iscsid stop"
4. Move your network interfaces configured in the iscsiadm to a temporary folder: mv /var/lib/iscsi/ifaces/* /tmp/ifaces
5. Start the iscsid service "service iscsid start"
Regards, Maor and Benny
On Wed, Jul 19, 2017 at 1:01 PM, Uwe Laverenz <uwe@laverenz.de> wrote:
Hi,
Am 19.07.2017 um 04:52 schrieb Vinícius Ferrão:
I’m joining the crowd with iSCSI Multipath issues on oVirt here. I’m trying to enable the feature without success too.
Here’s what I’ve done, step-by-step.
1. Installed oVirt Node 4.1.3 with the following network settings:
eno1 and eno2 on a 802.3ad (LACP) Bond, creating a bond0 interface. eno3 with 9216 MTU. eno4 with 9216 MTU. vlan11 on eno3 with 9216 MTU and fixed IP addresses. vlan12 on eno4 with 9216 MTU and fixed IP addresses.
eno3 and eno4 are my iSCSI MPIO Interfaces, completelly segregated, on different switches.
This is the point: the OVirt implementation of iSCSI-Bonding assumes that all network interfaces in the bond can connect/reach all targets, including those in the other net(s). The fact that you use separate, isolated networks means that this is not the case in your setup (and not in mine).
I am not sure if this is a bug, a design flaw or a feature, but as a result of this OVirt's iSCSI-Bonding does not work for us.
Please see my mail from yesterday for a workaround.
cu, Uwe _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Can you please try to connect to your iSCSI server using iscsadm from your VDSM Host, for example like so: iscsiadm -m node -T iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio -I eno3.11 -P 192.168.12.14,3260 --login On Tue, Jul 25, 2017 at 11:54 AM, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
I was trying to reproduce your scenario and also encountered this issue, so please disregard my last comment, can you please open a bug on that so we can investigate it properly
Thanks, Maor
On Tue, Jul 25, 2017 at 11:26 AM, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
For some reason it looks like your networks are both connected to the same IPs.
based on the VDSM logs: u'connectionParams':[ { u'netIfaceName':u'eno3.11', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno3.11', u'connection':u'192.168.12.14', } u'netIfaceName':u'eno4.12', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno4.12', u'connection':u'192.168.12.14', } ],
Can you try to reconnect to the iSCSI storage domain after re-initializing your iscsiadm on your host.
1. Move your iSCSI storage domain to maintenance in oVirt by deactivating it
2. In your VDSM host, log out from your iscsi open sessions which are related to this storage domain if that is your only iSCSI storage domain log out from all the sessions: "iscsiadm -m session -u"
3. Stop the iscsid service: "service iscsid stop"
4. Move your network interfaces configured in the iscsiadm to a temporary folder: mv /var/lib/iscsi/ifaces/* /tmp/ifaces
5. Start the iscsid service "service iscsid start"
Regards, Maor and Benny
On Wed, Jul 19, 2017 at 1:01 PM, Uwe Laverenz <uwe@laverenz.de> wrote:
Hi,
Am 19.07.2017 um 04:52 schrieb Vinícius Ferrão:
I’m joining the crowd with iSCSI Multipath issues on oVirt here. I’m trying to enable the feature without success too.
Here’s what I’ve done, step-by-step.
1. Installed oVirt Node 4.1.3 with the following network settings:
eno1 and eno2 on a 802.3ad (LACP) Bond, creating a bond0 interface. eno3 with 9216 MTU. eno4 with 9216 MTU. vlan11 on eno3 with 9216 MTU and fixed IP addresses. vlan12 on eno4 with 9216 MTU and fixed IP addresses.
eno3 and eno4 are my iSCSI MPIO Interfaces, completelly segregated, on different switches.
This is the point: the OVirt implementation of iSCSI-Bonding assumes that all network interfaces in the bond can connect/reach all targets, including those in the other net(s). The fact that you use separate, isolated networks means that this is not the case in your setup (and not in mine).
I am not sure if this is a bug, a design flaw or a feature, but as a result of this OVirt's iSCSI-Bonding does not work for us.
Please see my mail from yesterday for a workaround.
cu, Uwe _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
Hello Maor, Thanks for answering and looking deeper in this case. You’re welcome to connect to my machine since it’s reachable over the internet. I’ll be opening a ticket in moments. Just to feed an update here: I’ve done what you asked, but since I’m running Self Hosted Engine, I lost the connection to HE, here’s the CLI: Last login: Thu Jul 20 02:43:50 2017 from 172.31.2.3 node status: OK See `nodectl check` for more information Admin Console: https://192.168.11.3:9090/ or https://192.168.12.3:9090/ or https://146.164.37.103:9090/ [root@ovirt3 ~]# iscsiadm -m session -u Logging out of session [sid: 1, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-he, portal: 192.168.12.14,3260] Logging out of session [sid: 4, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] Logging out of session [sid: 7, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] Logging out of session [sid: 5, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] Logging out of session [sid: 6, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] Logout of [sid: 1, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-he, portal: 192.168.12.14,3260] successful. Logout of [sid: 4, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] successful. Logout of [sid: 7, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] successful. Logout of [sid: 5, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] successful. Logout of [sid: 6, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] successful. [root@ovirt3 ~]# service iscsid stop Redirecting to /bin/systemctl stop iscsid.service Warning: Stopping iscsid.service, but it can still be activated by: iscsid.socket [root@ovirt3 ~]# mv /var/lib/iscsi/ifaces/* /tmp/ifaces [root@ovirt3 ~]# service iscsid start Redirecting to /bin/systemctl start iscsid.service And finally: [root@ovirt3 ~]# hosted-engine --vm-status . . . It just hangs. Thanks, V.
On 25 Jul 2017, at 05:54, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
I was trying to reproduce your scenario and also encountered this issue, so please disregard my last comment, can you please open a bug on that so we can investigate it properly
Thanks, Maor
On Tue, Jul 25, 2017 at 11:26 AM, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
For some reason it looks like your networks are both connected to the same IPs.
based on the VDSM logs: u'connectionParams':[ { u'netIfaceName':u'eno3.11', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno3.11', u'connection':u'192.168.12.14', } u'netIfaceName':u'eno4.12', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno4.12', u'connection':u'192.168.12.14', } ],
Can you try to reconnect to the iSCSI storage domain after re-initializing your iscsiadm on your host.
1. Move your iSCSI storage domain to maintenance in oVirt by deactivating it
2. In your VDSM host, log out from your iscsi open sessions which are related to this storage domain if that is your only iSCSI storage domain log out from all the sessions: "iscsiadm -m session -u"
3. Stop the iscsid service: "service iscsid stop"
4. Move your network interfaces configured in the iscsiadm to a temporary folder: mv /var/lib/iscsi/ifaces/* /tmp/ifaces
5. Start the iscsid service "service iscsid start"
Regards, Maor and Benny
On Wed, Jul 19, 2017 at 1:01 PM, Uwe Laverenz <uwe@laverenz.de> wrote:
Hi,
Am 19.07.2017 um 04:52 schrieb Vinícius Ferrão:
I’m joining the crowd with iSCSI Multipath issues on oVirt here. I’m trying to enable the feature without success too.
Here’s what I’ve done, step-by-step.
1. Installed oVirt Node 4.1.3 with the following network settings:
eno1 and eno2 on a 802.3ad (LACP) Bond, creating a bond0 interface. eno3 with 9216 MTU. eno4 with 9216 MTU. vlan11 on eno3 with 9216 MTU and fixed IP addresses. vlan12 on eno4 with 9216 MTU and fixed IP addresses.
eno3 and eno4 are my iSCSI MPIO Interfaces, completelly segregated, on different switches.
This is the point: the OVirt implementation of iSCSI-Bonding assumes that all network interfaces in the bond can connect/reach all targets, including those in the other net(s). The fact that you use separate, isolated networks means that this is not the case in your setup (and not in mine).
I am not sure if this is a bug, a design flaw or a feature, but as a result of this OVirt's iSCSI-Bonding does not work for us.
Please see my mail from yesterday for a workaround.
cu, Uwe _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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On Tue, Jul 25, 2017 at 6:25 PM, Vinícius Ferrão <ferrao@if.ufrj.br> wrote:
Bug opened here: https://bugzilla.redhat.com/show_bug.cgi?id=1474904
Thanks! Let's continue the discussion in the bug
Thanks, V.
On 25 Jul 2017, at 12:08, Vinícius Ferrão <ferrao@if.ufrj.br> wrote:
Hello Maor,
Thanks for answering and looking deeper in this case. You’re welcome to connect to my machine since it’s reachable over the internet. I’ll be opening a ticket in moments. Just to feed an update here:
I’ve done what you asked, but since I’m running Self Hosted Engine, I lost the connection to HE, here’s the CLI:
Last login: Thu Jul 20 02:43:50 2017 from 172.31.2.3
node status: OK See `nodectl check` for more information
Admin Console: https://192.168.11.3:9090/ or https://192.168.12.3:9090/ or https://146.164.37.103:9090/
[root@ovirt3 ~]# iscsiadm -m session -u Logging out of session [sid: 1, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-he, portal: 192.168.12.14,3260] Logging out of session [sid: 4, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] Logging out of session [sid: 7, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] Logging out of session [sid: 5, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] Logging out of session [sid: 6, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] Logout of [sid: 1, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-he, portal: 192.168.12.14,3260] successful. Logout of [sid: 4, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] successful. Logout of [sid: 7, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.12.14,3260] successful. Logout of [sid: 5, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] successful. Logout of [sid: 6, target: iqn.2017-07.br.ufrj.if.cc.storage.ctl:ovirt-mpio, portal: 192.168.11.14,3260] successful. [root@ovirt3 ~]# service iscsid stop Redirecting to /bin/systemctl stop iscsid.service Warning: Stopping iscsid.service, but it can still be activated by: iscsid.socket
[root@ovirt3 ~]# mv /var/lib/iscsi/ifaces/* /tmp/ifaces
[root@ovirt3 ~]# service iscsid start Redirecting to /bin/systemctl start iscsid.service
And finally:
[root@ovirt3 ~]# hosted-engine --vm-status . . .
It just hangs.
Thanks, V.
On 25 Jul 2017, at 05:54, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
I was trying to reproduce your scenario and also encountered this issue, so please disregard my last comment, can you please open a bug on that so we can investigate it properly
Thanks, Maor
On Tue, Jul 25, 2017 at 11:26 AM, Maor Lipchuk <mlipchuk@redhat.com> wrote:
Hi Vinícius,
For some reason it looks like your networks are both connected to the same IPs.
based on the VDSM logs: u'connectionParams':[ { u'netIfaceName':u'eno3.11', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno3.11', u'connection':u'192.168.12.14', } u'netIfaceName':u'eno4.12', u'connection':u'192.168.11.14', }, { u'netIfaceName':u'eno4.12', u'connection':u'192.168.12.14', } ],
Can you try to reconnect to the iSCSI storage domain after re-initializing your iscsiadm on your host.
1. Move your iSCSI storage domain to maintenance in oVirt by deactivating it
2. In your VDSM host, log out from your iscsi open sessions which are related to this storage domain if that is your only iSCSI storage domain log out from all the sessions: "iscsiadm -m session -u"
3. Stop the iscsid service: "service iscsid stop"
4. Move your network interfaces configured in the iscsiadm to a temporary folder: mv /var/lib/iscsi/ifaces/* /tmp/ifaces
5. Start the iscsid service "service iscsid start"
Regards, Maor and Benny
On Wed, Jul 19, 2017 at 1:01 PM, Uwe Laverenz <uwe@laverenz.de> wrote:
Hi,
Am 19.07.2017 um 04:52 schrieb Vinícius Ferrão:
I’m joining the crowd with iSCSI Multipath issues on oVirt here. I’m trying to enable the feature without success too.
Here’s what I’ve done, step-by-step.
1. Installed oVirt Node 4.1.3 with the following network settings:
eno1 and eno2 on a 802.3ad (LACP) Bond, creating a bond0 interface. eno3 with 9216 MTU. eno4 with 9216 MTU. vlan11 on eno3 with 9216 MTU and fixed IP addresses. vlan12 on eno4 with 9216 MTU and fixed IP addresses.
eno3 and eno4 are my iSCSI MPIO Interfaces, completelly segregated, on different switches.
This is the point: the OVirt implementation of iSCSI-Bonding assumes that all network interfaces in the bond can connect/reach all targets, including those in the other net(s). The fact that you use separate, isolated networks means that this is not the case in your setup (and not in mine).
I am not sure if this is a bug, a design flaw or a feature, but as a result of this OVirt's iSCSI-Bonding does not work for us.
Please see my mail from yesterday for a workaround.
cu, Uwe _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users
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participants (4)
-
Maor Lipchuk -
Nicolas Ecarnot -
Uwe Laverenz -
Vinícius Ferrão