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04-29-2015 03:40 AM
04-29-2015 03:40 AM
HP BL460c - lost network connection on FlexFabric - Bay1
Hi,
I have an enclosure with 16 HP BL460c G8 and 2xFlexFabric interconnect modules.
All servers have same profile and our uplink are configured as smart link.
There is a problem about bay4, any server has network connection problem on the bay.
I have changed enclosure with another new one but result is same as before.
Is there any problem about FlexFabric modules?
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04-29-2015 03:58 AM
04-29-2015 03:58 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
what is exactly the issue?
wich version using on FlexFabric?
Verrsion of OA?
is there an error message? the issue affected only Bay4?
on the second enclosure you have used the FlexFabric installed on the previous enclosure?
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04-29-2015 04:25 AM - edited 04-29-2015 04:49 AM
04-29-2015 04:25 AM - edited 04-29-2015 04:49 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
OA: 4.30
VCM: 4.10 (Two Flex-Fabric 10/24 - Interconnect Bay1 and Bay2)
I'm using old Flex-Fabric modules and just enclosure has been changed. I have no error message on OA and VCM, just I got the below errors on ESXi:
Uplink: 4737: requesting cap 0x0!
Tcpip_vmk: 808: Failed to set default gateway (51): network unreachable
NetDVS: 547: portAlias Is NULL
Just bay 4 is affected. I can't detect issue exactly. Because the server working fine on other bays. And other servers have same problem on Bay4. Of curse, the server has no problem on other Flex-Fabric module which is installed on interconnect Bay2. Is the Flex-Fabric module faulty?
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04-29-2015 04:50 AM
04-29-2015 04:50 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
Is the Flex-Fabric module faulty?
sure no that the Flex-Fabric module faulty, the issue affect only Bay 4 and errors that you have noted are on ESX, so by analyzing the VM-Support it can be helpfull to know more about the issue.
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04-29-2015 05:16 AM
04-29-2015 05:16 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
Thanks for reply.
But please check the below images, seems there is a problem on VC module:
Also I rebooted the server and put it to "Inteligence Provisioning" mode and it can detect first NIC.
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04-29-2015 06:33 AM
04-29-2015 06:33 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
Hi,
Since you have tried with a different enclosure, with a different blade and a different VC module, all seems to indicate the issue is located at the FlexFabric module.
Have you verified from the VCM GUI console if you have any Warning? Maybe the port has been "administratively disabled" becasue a pause flood problem? In that case:
o Click Re-enable Ports in the VCM GUI. or
o Use the "reset port-protect" CLI command.
If that still doesn't work, please open a formal support case to evaluate a HW replacement.
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04-30-2015 07:35 AM
04-30-2015 07:35 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
The down link is up now, there was no pause flood problem. The server restarted and downlink is in linked status.
But the link doesn't pass traffic.
I'm sure there is no misconfiguration on switches and virtual connect, also the Flex-Fabric module was working with our G7 server, but the module has problem on G8 server from first installation till now.
Do you think that upgrading VC firmware can resolve the issue? Or do you have any idea?
I can replace the module with another one easily, all other servers are production.
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05-03-2015 10:54 AM
05-03-2015 10:54 AM
Re: HP BL460c - lost network connection on FlexFabric - Bay1
Hi,
Yes, both test (VC fw upgrade and VC replacement) are worth trying.
Let us know the results.
David