- Community Home
- >
- Servers and Operating Systems
- >
- Operating Systems
- >
- Operating System - Linux
- >
- Re: Server Loses Network for no apparent reason?
Categories
Company
Local Language
Forums
Discussions
Forums
- Data Protection and Retention
- Entry Storage Systems
- Legacy
- Midrange and Enterprise Storage
- Storage Networking
- HPE Nimble Storage
Discussions
Discussions
Discussions
Forums
Forums
Discussions
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
- BladeSystem Infrastructure and Application Solutions
- Appliance Servers
- Alpha Servers
- BackOffice Products
- Internet Products
- HPE 9000 and HPE e3000 Servers
- Networking
- Netservers
- Secure OS Software for Linux
- Server Management (Insight Manager 7)
- Windows Server 2003
- Operating System - Tru64 Unix
- ProLiant Deployment and Provisioning
- Linux-Based Community / Regional
- Microsoft System Center Integration
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Discussion Boards
Community
Resources
Forums
Blogs
- Subscribe to RSS Feed
- Mark Topic as New
- Mark Topic as Read
- Float this Topic for Current User
- Bookmark
- Subscribe
- Printer Friendly Page
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО11-15-2006 03:08 AM
тАО11-15-2006 03:08 AM
Re: Server Loses Network for no apparent reason?
It appears that you are using the tg3 driver.
Might want to confirm that with the contents of /etc/modprobe.conf and/or ethtool.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-08-2006 01:36 AM
тАО12-08-2006 01:36 AM
Re: Server Loses Network for no apparent reason?
Maybe a rather stupid question: checked on duplicate IPs? The only time I had this kind of problems, it was due to duplicate IPs.
Best regards,
Dieter
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-11-2006 01:09 PM
тАО12-11-2006 01:09 PM
Re: Server Loses Network for no apparent reason?
When you loose connectivity what does a tcpdump on the interface produce, do you see any traffic at all, what does ethtool give you link state etc.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-11-2006 01:41 PM
тАО12-11-2006 01:41 PM
Re: Server Loses Network for no apparent reason?
Cables die *shrug*.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-11-2006 01:58 PM
тАО12-11-2006 01:58 PM
Re: Server Loses Network for no apparent reason?
A couple of answers to your questions. We have just moved its ip address and the problem still persists. We have upgraded it from 100Mbs to a bonded pair of GB NICs (admittedly still using the same DL380 NICs provided on the mother board) with no result - ie the server didnt failover to its backup NIC - the whole network stack froze effectively.
We have run a TCPDUMP as the call was logged with Redhat and they too asked whether tcpdump showed anything. The only thing is the following:
10:16:22.275318 arp who-has 192.168.10.30 tell myserver.example.com
10:16:25.275570 arp who-has 192.168.10.31 tell myserver.example.com
10:16:26.276324 arp who-has 192.168.10.31 tell myserver.example.com
10:16:27.276075 arp who-has 192.168.10.31 tell myserver.example.com
10:16:30.276330 arp who-has 192.168.10.30 tell myserver.example.com
10:16:31.276085 arp who-has 192.168.10.30 tell myserver.example.com
10.31/10.30 are our DNS/Wins windows servers which are also defined in /etc/resolv.conf
Again a service network restart resolves the problem or an ifup/ifdown on the interface.
Robert.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-19-2006 10:29 AM
тАО12-19-2006 10:29 AM
Re: Server Loses Network for no apparent reason?
Problem still occuring, has happened again today. We downgraded the kernel from 2.6.9-42.0.3 to 2.6.9-34.0.2 as this is the time frame when it started - always the case two things done and then a problem appears.
The problem seems to be mostly around the NFS file transfer time about 30 minutes to 1 hour into the transfer. As mentioned tcpdump just shows no network activity, as if the network were switched off! Teaming/bonding dont seem to help as the interface appears to be up but not communicating.
Any ideas?
Robert.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-21-2006 01:12 PM
тАО12-21-2006 01:12 PM
Re: Server Loses Network for no apparent reason?
We are in the throes of a very similar situation. We have a number of servers it is occurring on, some it is not. We have tried a variety of fixes, including bonding/unbonding, drivers, kernel revs. Will try to get a more detailed post to you.
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-21-2006 01:31 PM
тАО12-21-2006 01:31 PM
SolutionHave you seen this thread?
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=898761
Looks quite promising
- Mark as New
- Bookmark
- Subscribe
- Mute
- Subscribe to RSS Feed
- Permalink
- Report Inappropriate Content
тАО12-22-2006 10:28 AM
тАО12-22-2006 10:28 AM
Re: Server Loses Network for no apparent reason?
Going to close this thread as it appears we have a similar problem posted here:
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=898761
Thanks for all who have contributed - I will look at updating my drivers (something which has been festering in my mind for a while - however thought it to be a Redhat issue). Well see how that goes.
Messy XMAS & New Year to you all!
Robert.
- « Previous
-
- 1
- 2
- Next »