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Thread: IP Addresses on one of our Nodes
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08-28-2009, 06:31 PM #1Disabled
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IP Addresses on one of our Nodes
Hey,
We have one server that all of the IPs continue to fail. We have fixed it a few times and it just happened again! I have no idea why it is happening. I just had to reboot the node and now everything is working again.
Can anyone explain why this is happening because it is killing my company :'(
Thanks.
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08-28-2009, 06:32 PM #2Disabled
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We have 3 servers and it is only happening on one server.
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08-28-2009, 07:26 PM #3Disabled
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It's just happened again! Does anyone have any idea on this?
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08-28-2009, 07:29 PM #4AKA "Faze"
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Define "fail"? What exactly is going wrong?
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08-28-2009, 07:30 PM #5Disabled
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The IPs die. They can't be pinged, none of the sites on all the VPS's will load.
It happened 30 minutes or so ago as well...
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08-28-2009, 07:35 PM #6Disabled
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This could be an abuse in one of the VPS.
Whats the specs of your VPS node ?
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08-28-2009, 07:35 PM #7AKA "Faze"
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When they die, are they still on the machine, viewable with "ifconfig"?
OpenVZ or Xen?FazeWire Web Services.
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08-28-2009, 07:38 PM #8Disabled
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2x 1TB HDDs, 8GB RAM, Q9550
OpenVZ - They aren't bound to the Host.
This is what i posted on another useful forum;
Hey,
We have 4 servers all connected to the same VLAN for VPS hosting. All servers are running CentOS 64bit with OpenVZ installed.
One of our servers, all of the IPs fail. We figured out the first time it happened it was NEIGHBOR_DEVS in the vz.conf file which it was saying "all" and we changed it to "detect" and it all worked again. Recently it all went down again and we got told to change it back to "all" so we did, rebooted VZ and everything worked again. Now today, all IPs failed again, I rebooted VZ, nothing, I rebooted the server and everything came back up again.....
Can anyone tell me why this is happening? It's killing my business daily..
Thanks.
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08-28-2009, 08:00 PM #9Disabled
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http://kb.parallels.com/en/5232
This article tells you how to update something.
Try updating your virtuozzo to see if it helps.
Something is not being written probably.
Does virtuozzo have a repair utility for the node itself?
5. Obtaining:
This update can be downloaded via ftp from downloads.swsoft.com.
If you do not have an ftp account, please contact pavel@parallels.com.
You can also download and install this tools update using the
'vzup2date' utility included in the Virtuozzo Containers 4.0 distribution.
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08-28-2009, 07:51 PM #10AKA "Faze"
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Check for errors on the NIC.
FazeWire Web Services.
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08-28-2009, 08:07 PM #11Disabled
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and again..
It's dropping every 30 minutes
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08-28-2009, 08:10 PM #12Web Hosting Master
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It should be spelled NEIGHBOUR_DEVS, and keep it =ALL
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08-28-2009, 08:18 PM #13Disabled
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It is that and set to =all - There are no IP conflicts.
The main IP to the server is accessible just all the IPs assigned to VPS servers become non responsive.
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08-28-2009, 09:04 PM #14Web Hosting Master
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Checked IPTables?
Do the VPS's themselves stop running? can you enter them and can you see an output of ifconfig?
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08-28-2009, 09:05 PM #15Disabled
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It just happened AGAIN! It's failing every 30 minutes to 1 hour ???
All VPS servers are still running when this happens.
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08-28-2009, 09:17 PM #16Disabled
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Aug 28 19:22:07 node2 kernel: EXT3-fs error (device dm-4): ext3_add_entry: bad entry in directory #53348367: rec_len % 4 != $
Aug 28 19:22:41 node2 last message repeated 39 times
Aug 28 19:23:42 node2 last message repeated 114 times
Aug 28 19:24:11 node2 last message repeated 119 times
Aug 28 19:22:07 node2 kernel: EXT3-fs error (device dm-4): ext3_add_entry: bad entry in directory #53348367: rec_len % 4 != $
Aug 28 19:22:41 node2 last message repeated 39 times
Aug 28 19:23:42 node2 last message repeated 114 times
Aug 28 19:24:11 node2 last message repeated 119 times
Aug 28 20:05:21 node2 shutdown[2220]: shutting down for system reboot
We are having to reboot the server at the exact same time every hour.
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08-28-2009, 09:38 PM #17Web Hosting Master
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Tried running e2fsck ?
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08-28-2009, 09:41 PM #18Disabled
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Tried that when we found a corrupted file the other day via CentOS rescue(disk) and it failed saying a device is busy. After searching the system for the mentioned inode, I found this;
[root@node2 ~]# find / -inum 53348367
find: /proc/15324/task/15324/fd/4: No such file or directory
find: /proc/15324/fd/4: No such file or directory
find: /vz/vztmp/vzctl-rm-me.XQ6Uwax/home/scbuzz/public_html/blag/wp-includes/js/jquery: Not a directory
find: /vz/vztmp/vzctl-rm-me.XQ6Uwax/home/scbuzz/public_html/blag/wp-includes/js/scriptaculous: Not a directory
Is this relating to a HW failure or something?
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08-28-2009, 09:45 PM #19Rockin' the beer gut
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Looks to me like some kind of hardware issue.
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08-28-2009, 09:49 PM #20Web Hosting Master
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Tried rebuilding your raid array? Look's like you could have a failing disk.
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08-29-2009, 01:51 AM #21Web Hosting Master
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Edit: Totally missed the fact that there was a page 2 to this thread, lol. You have data corruption. This isn't the exact same error, but the advice is the same I would give: http://linux.derkeiler.com/Mailing-L.../msg10740.html
Last edited by subigo; 08-29-2009 at 01:55 AM.
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08-29-2009, 07:08 AM #22Disabled
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We have ran FSCK on the node but the IPs are still failing 5 minutes past every hour!
Does anyone know how to stop this from happening?!?
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08-29-2009, 07:26 AM #23Corporate Member
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Can you run this script to see if it causes your VEs to die: /usr/share/vzctl/scripts/vpsnetclean? The script might be located elsewhere (locate vpsnetclean).
Also check to see if you have a firewall running on the hw node like csf. It might have some funny rules.
RegardsLast edited by UNIXy; 08-29-2009 at 07:37 AM.
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08-29-2009, 07:46 AM #24Web Hosting Master
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Is this hapening at the exact same time every hour?
Have you checked to make sure you have no Cron Jobs set to run anyting which could be causing the problem.
Have you tried stopping iptables when you cant connect to the VPS and see if that fixes it?
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08-29-2009, 08:14 AM #25Disabled
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@Ashley Merrick;
1. Every hour, 5 minutes past (This hour, it hasn't failed YET! Famous last words though eh.
2. [root@node2 ~]# crontab -l
no crontab for root
3. IPtables is always stopped and off in the config.
@UNIXy;
Will try that script in a while... Moving a VPS using vzmigrate to another node of ours.
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