Details
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Bug
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Resolution: Won't Do
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Major
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None
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7.3
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None
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NOTE: vesrion is 7.1 LTSR CU1
We have a four host xenserver pool connected to two equallogic SAN, each one with two configured iscsi management interfaces.
Description
NOTE: vesrion is 7.1 LTSR CU1
We have a four host xenserver pool connected to two equallogic SAN, each one with two configured iscsi management interfaces. We follow set up procedure as described in https://support.citrix.com/article/CTX138429; we set up two iface tied to each iscsi management iscsi interface, and we get two connections for each host with each SAN as expected. But, after rebooting a host, iscid seems not to use new defined ifaces and only use default one; as a result, there is only one session for SAN.
The procedure works fine in a standalone CentOS 7 server, but for some reason, with Xenservers 7.1 CU hosts don't, because after rebooting such hosts, iscsid seems not to use the two iface created. It uses only the default iface. This behavior is shown with these commands:
1 -Just after reboot:
iscsiadm -m iface -P 1
Iface: default
Target: iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2
Portal: 10.0.1.7:3260,1
Target: iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1
Portal: 10.0.1.7:3260,1
Target: iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1
Portal: 10.0.1.6:3260,1
Iface: iser
Iface: bnx2i.b0:83:fe:dd:8e:8c
Iface: iface1
Iface: bnx2i.b0:83:fe:dd:8e:8a
Iface: iface0
- iscsiadm -m node
10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2
10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1
10.0.1.6:3260,1 iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1
- iscsiadm -m session
tcp: [1] 10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1 (non-flash)
tcp: [2] 10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2 (non-flash)
tcp: [3] 10.0.1.6:3260,1 iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1 (non-flash)
2- Then I do iscsiadm changes and these are things before reboot:
- iscsiadm -m iface -P 1
Iface: default
Iface: iser
Iface: bnx2i.b0:83:fe:dd:8e:8c
Iface: iface1
Target: iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2
Portal: 10.0.1.7:3260,1
Target: iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1
Portal: 10.0.1.7:3260,1
Target: iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1
Portal: 10.0.1.6:3260,1
Iface: bnx2i.b0:83:fe:dd:8e:8a
Iface: iface0
Target: iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2
Portal: 10.0.1.7:3260,1
Target: iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1
Portal: 10.0.1.7:3260,1
Target: iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1
Portal: 10.0.1.6:3260,1
- iscsiadm -m node
10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2
10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2
10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1
10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1
10.0.1.6:3260,1 iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1
10.0.1.6:3260,1 iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1
- iscsiadm -m session
tcp: [4] 10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2 (non-flash)
tcp: [5] 10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-33dc04227-90e30fba9cb5a79c-agorav3equa10g2 (non-flash)
tcp: [6] 10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1 (non-flash)
tcp: [7] 10.0.1.7:3260,1 iqn.2001-05.com.equallogic:0-6694d6-460c04227-bf230fba9485a579-agorav3equa10g1 (non-flash)
tcp: [8] 10.0.1.6:3260,1 iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1 (non-flash)
tcp: [9] 10.0.1.6:3260,1 iqn.2001-05.com.equallogic:0-1cb196-0f00ca21f-c147cf79d9b54fdd-illustrator1 (non-flash)
3 - Rebooting the server, and we are again in point 1