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тАО09-28-2010 11:20 AM
тАО09-28-2010 11:20 AM
Multiple Ilo errors weekly
I know the default answer is to upgrade the firmware, but that is just not possible for an environment like ours without proper testing, which is in progress. Are there any known issues with this firmware that might produce this type of error?
Our environment in a nutshell:
Windows servers
BL460C g6
PSP 8.30
ilo2 fw = 1.80 & 1.81
SIM = 6.0
OA FW = 2.60 & 3.10
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тАО09-28-2010 12:46 PM
тАО09-28-2010 12:46 PM
Re: Multiple Ilo errors weekly
Are you running a port scan tool like Nessus Scanner against the iLO2s?
In the past month, have you added any new devices to the network iLO2 is on?
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тАО09-28-2010 03:45 PM
тАО09-28-2010 03:45 PM
Re: Multiple Ilo errors weekly
The errors happen in bunches. I would get alerts of about 10 or 15 ilo errors at once. Then an hour later another 10 or 15. It seems random at times. The bunches are not related from what I can tell. The IP addresses are not similar and they are not all in one enclosure.
I don't know if we have port scans running. That is one thing I hope to discover and prove through my troubleshooting. Our environment is extrememly dynamic and sometimes devices get added without thought that they might affect other items. Thanks.
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тАО10-18-2010 09:24 AM
тАО10-18-2010 09:24 AM
Re: Multiple Ilo errors weekly
For those issues where a Nessus type port scanner were causing an issue, did the ilo log anything in the logs? I am looking for that one spot in any of my HP logs that might point to an IP address or something. The only thing in my ilo logs is HP SIM accessing it.
Any other Port scanner types known for hurting ilos. Any specific protocols that these devices hit that is the reason that ilo's fail? I need something here because I am striking out in my own troubleshooting.
Thanks.
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тАО10-18-2010 06:17 PM
тАО10-18-2010 06:17 PM
Re: Multiple Ilo errors weekly
iLO2 will not log activity from Nessus scanner.
There are two bugs we are fixing in iLO2 in the next release:
One is related to the handling of the TCP backlog queue. Basically, if you have a tool that opens and closes TCP sessions faster than what the iLO2 application layer can handle, iLO2 could mishandle the removal of these entries from the backlog queue, potentially causing a hang down the road. Nessus Scanner and other similar port scanner tools do open and close TCP sessions very fast. This is why I was asking you if you have something like that running in your network.
Another bug we are fixing is related to Ethernet packets with protocol type=0x8874. These packets could cause iLO2 to stop responding. We are not sure the source of these packets but so far, they seem to come from some EMC CLARiiON storage devices.
If you have a HP support case number, please post it here.
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тАО10-19-2010 10:32 AM
тАО10-19-2010 10:32 AM
Re: Multiple Ilo errors weekly
HP Case # 4621297057
I'm suspecting System Insight Manager as the culprit. I have multiple SIM servers running in our environment. 3 data centers, 3 SIM's. 1 Failover SIM that monitors all 3 data centers. I just noticed that a lot of traffic was heading in that direction prior to the ilo errors. A very quick check made me notice that the Insight Power manager was set up without access right to the ilos. Could SIM really cause these errors on ILO2?
SIM version is 6.0.
I noticed that all ILO's (not 2) were not affected and older versions of ILO2, pre 1.7x were very uncommon.