Yaniv Bronhaim has submitted this change and it was merged.
Change subject: Set sysctl to allow iSCSI multipath with multiple NICs in the
same subnet
......................................................................
Set sysctl to allow iSCSI multipath with multiple NICs in the same subnet
When two or more interfaces are in the same subnet, the default OS
behaviour won't allow the independent traffic between local NICs and
iSCSI targets.
These sysctl tweaks are needed to have iSCSI multipath working in
such topology:
eth1 (192.168.25.200) --|
|-- iSCSI Target (192.168.25.10)
eth2 (192.168.25.201) --|
For the ARP flux problem, where the machine may respond to ARP requests
from both Ethernet interfaces, we are setting "arp_ignore=1" and
"arp_announce=2"
To allow multiple iSCSI connections in a multiple NIC per subnet
configuration, reverse path filtering must be loosened with
"rp_filter=2" for the interfaces.
Change-Id: Ibf93d49317c76aece764e53e58e0ff28868f16b0
Bug-Url: https://bugzilla.redhat.com/1178838
Signed-off-by: Amador Pahim <apa...@redhat.com>
Signed-off-by: Maor Lipchuk <mlipc...@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/31529
Reviewed-by: Federico Simoncelli <fsimo...@redhat.com>
Reviewed-by: Yaniv Bronhaim <ybron...@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/37311
---
M vdsm/storage/iscsi.py
M vdsm/vdsm-sysctl.conf
2 files changed, 60 insertions(+), 1 deletion(-)
Approvals:
Yaniv Bronhaim: Looks good to me, approved
Amador Pahim: Looks good to me, but someone else must approve
Maor Lipchuk: Verified
--
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Gerrit-MessageType: merged
Gerrit-Change-Id: Ibf93d49317c76aece764e53e58e0ff28868f16b0
Gerrit-PatchSet: 3
Gerrit-Project: vdsm
Gerrit-Branch: ovirt-3.5
Gerrit-Owner: Maor Lipchuk <mlipc...@redhat.com>
Gerrit-Reviewer: Amador Pahim <apa...@redhat.com>
Gerrit-Reviewer: Federico Simoncelli <fsimo...@redhat.com>
Gerrit-Reviewer: Maor Lipchuk <mlipc...@redhat.com>
Gerrit-Reviewer: Yaniv Bronhaim <ybron...@redhat.com>
Gerrit-Reviewer: automat...@ovirt.org
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