[PVE-User] Losing quorum - cluster broken

[Nicolas Costes]

Le jeudi 23 avril 2015 17:34:45 Michael Rasmussen a écrit :
> What nics are you using?

02:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit 
Ethernet PCIe
02:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit 
Ethernet PCIe

41:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit 
Ethernet PCIe
41:00.1 Ethernet controller: Broadcom Corporation NetXtreme BCM5720 Gigabit 
Ethernet PCIe

Eth0 is probably 02:00.0.

--

Running :

# ethtool --offload  eth0 rx off  tx off
# ethtool --offload  vmbr0 rx off  tx off

...Does not improve cluster stability.

I'm having a look at my offload parameters and ethtool doc in order to remove 
offload for vlans too. It seems turned on for some features :

# ethtool --show-offload eth0                                   
Features for eth0:
rx-checksumming: off
tx-checksumming: off
        tx-checksum-ipv4: off
        tx-checksum-unneeded: off [fixed]
        tx-checksum-ip-generic: off [fixed]
        tx-checksum-ipv6: off
        tx-checksum-fcoe-crc: off [fixed]
        tx-checksum-sctp: off [fixed]
scatter-gather: on
        tx-scatter-gather: on
        tx-scatter-gather-fraglist: off [fixed]
tcp-segmentation-offload: off
        tx-tcp-segmentation: off [requested on]
        tx-tcp-ecn-segmentation: off [requested on]
        tx-tcp6-segmentation: off [requested on]
udp-fragmentation-offload: off [fixed]
generic-segmentation-offload: on
generic-receive-offload: on
large-receive-offload: off [fixed]
rx-vlan-offload: on [fixed]
tx-vlan-offload: on [fixed]
ntuple-filters: off [fixed]
receive-hashing: off [fixed]
highdma: on
rx-vlan-filter: off [fixed]
vlan-challenged: off [fixed]
tx-lockless: off [fixed]
netns-local: off [fixed]
tx-gso-robust: off [fixed]
tx-fcoe-segmentation: off [fixed]
tx-gre-segmentation: off [fixed]
tx-udp_tnl-segmentation: off [fixed]
fcoe-mtu: off [fixed]
loopback: off [fixed]




-- 
Nicolas Costes
Responsable de parc informatique
IUT de la Roche-sur-Yon
Université de Nantes