Recent vServer VS2-free v2.1 problems

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wt-newell

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Recent vServer VS2-free v2.1 problems
« on: June 30, 2022, 07:03:05 PM »

2a02:180:6:1::659 has been terribly unreliable the last few weeks. Seems like I'm using the Server :: Webreboot to reboot it every day. Sometimes more often than that!

I'm nearly certain it's the host node that's the problem. I suspect it's overloaded.

My guest isn't heavily loaded at all. In comparison, we also have one of the original beta test instances (2a02:180:6:1::4a8) as well, running about the same mix of stuff, and it's not been nearly as much trouble.

I'd really appreciate it if someone would check the host and see what's going on with it.

Thanks!
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wt-newell

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Re: Recent vServer VS2-free v2.1 problems
« Reply #1 on: July 01, 2022, 01:40:37 PM »

Update: it's the network!

I'm running a cronjob that logs the default route and then does a traceroute to an external host.

2022-07-01 04:08:42 UTC: external ping monitor detected the VPS went offline
2022-07-01 11:03:13 UTC: VPS rebooted from control panel

Once it was back up and running, I examined the log.

Here's the last entry before it went offline:
Code: [Select]
2022-07-01, 04:05:01 UTC:

2a02:180:6:1::659 dev eth0 proto kernel metric 256 pref medium
fd78:232c:fe45:934b::1 dev eth0 metric 1024 pref medium
fe80::/64 dev eth0 proto kernel metric 256 pref medium
default via fd78:232c:fe45:934b::1 dev eth0 metric 1024 pref medium

Start: 2022-07-01T04:05:01+0000
HOST: eu2                                                                                         Loss%   Snt   Last   A
vg  Best  Wrst StDev
  1. AS???    fd78:232c:fe45:934b::1                                                               0.0%    10    0.2   0.2   0.2   0.2   0.0
  2. AS35366  2a02-0180-0006-0001-0000-0000-0000-0001.blue.kundencontroller.de (2a02:180:6:1::     0.0%    10    3.3  24.6   0.7 178.3  54.6
  3. AS35366  po161.ipv6.bbsw-h2-j1a.as35366.net (2a02:180:6:9::6)                                 0.0%    10    3.4   6.3   0.8  38.0  11.4
  4. AS35366  po205.ipv6.bbsw-h4a-fra.as35366.net (2a02:180:6:7::16)                               0.0%    10   10.6  18.3   7.4  51.8  15.6
  5. AS174    2001:978:2:42::e8:1                                                                  0.0%    10   19.0  14.4   8.3  27.3   6.5
  6. AS174    te0-6-0-1.agr21.fra06.atlas.cogentco.com (2001:550:0:1000::9a19:175)                 0.0%    10   22.9  36.1   7.6 146.2  41.5
  7. AS174    multi-use.cogentco.com (2001:550:0:1000::8275:d)                                    80.0%    10    9.6  29.2   9.6  48.9  27.8
  8. AS174    be2846.ccr42.fra03.atlas.cogentco.com (2001:550:0:1000::9a36:251d)                  70.0%    10   19.0  12.6   8.6  19.0   5.6
  9. AS???    ???                                                                                 100.0    10    0.0   0.0   0.0   0.0   0.0
 10. AS174    be2154.rcr22.ams06.atlas.cogentco.com (2001:550:0:1000::8275:32ce)                  10.0%    10   22.7  24.9  15.6  48.0  10.4
 11. AS???    ???                                                                                 100.0    10    0.0   0.0   0.0   0.0   0.0
 12. AS12876  2001:bc8:400:100::b6                                                                70.0%    10   15.1  17.1  15.1  21.3   3.6
 13. AS12876  2001:bc8:1404:104::1                                                                 0.0%    10   16.0  33.5  16.0  87.7  21.8
 14. AS???    ???                                                                                 100.0    10    0.0   0.0   0.0   0.0   0.0
 15. AS12876  2001:bc8:1404:104::4                                                                 0.0%    10   23.1  27.6  15.2  71.0  18.1
 16. AS12876  2001:bc8:1830:201::1                                                                 0.0%    10   33.1  29.9  15.2  61.8  13.8

From then on, the log shows that the traceroute failed. This proves the VPS was powered on and running, but it had no network access. The network gateway was replying to pings, but not routing.

Code: [Select]
2022-07-01, 04:10:01 UTC:

2a02:180:6:1::659 dev eth0 proto kernel metric 256 pref medium
fd78:232c:fe45:934b::1 dev eth0 metric 1024 pref medium
fe80::/64 dev eth0 proto kernel metric 256 pref medium
default via fd78:232c:fe45:934b::1 dev eth0 metric 1024 pref medium

Start: 2022-07-01T04:10:02+0000
HOST: eu2                             Loss%   Snt   Last   Avg  Best  Wrst StDev
  1. AS???    fd78:232c:fe45:934b::1   0.0%    10    0.2   0.4   0.1   1.5   0.5
  2. AS???    ???                     100.0    10    0.0   0.0   0.0   0.0   0.0

Pretty conclusive that the problem is with the gateway, right?
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Forum-Support2

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Re: Recent vServer VS2-free v2.1 problems
« Reply #2 on: July 01, 2022, 09:27:57 PM »

Hello,

you should check your issue at any time from both directions.
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wt-newell

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Re: Recent vServer VS2-free v2.1 problems
« Reply #3 on: July 11, 2022, 06:25:03 PM »

It's been much better over the last week. Whatever y'all did seems to have helped. Thanks!

BTW, is there a forum for sync and share alpha feedback?
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