XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!
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@CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Dashrender said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Dashrender said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
That one is so full, I wonder if it filled up and failed.
what? / filled up? you mean 94%?
What is the none option there that is 1% free space?
6% is pretty small, could have filled up and cleared down.
OK - now now what? He can delete some logs, I saw a ton in the earlier post.
Those logs were on Xen1. We're looking at Xen2 now. Probably more logs here, right?
Yup, maybe they are the same or different.
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@CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Dashrender said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Dashrender said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
That one is so full, I wonder if it filled up and failed.
what? / filled up? you mean 94%?
What is the none option there that is 1% free space?
6% is pretty small, could have filled up and cleared down.
OK - now now what? He can delete some logs, I saw a ton in the earlier post.
Those logs were on Xen1. We're looking at Xen2 now. Probably more logs here, right?
each server will have their own logs - yes run the command again for logs
ls /var/log -
If you can mount a place to copy the logs to, that might be helpful to look at the logs later, but once you copy them off, you could delete them, then reboot and see if it comes back online.
Scott or someone else will need to give you the commands to mount another drive though, I'm still learning Linux myself.
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@Dashrender WinSCP would be handy here for copying the file.
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kern.log.56.gz secure.63.gz xensource.log.75.gz kern.log.57.gz secure.64.gz xensource.log.76.gz kern.log.58.gz secure.65.gz xensource.log.77.gz kern.log.59.gz secure.66.gz xensource.log.78.gz kern.log.5.gz secure.67.gz xensource.log.79.gz kern.log.60.gz secure.68.gz xensource.log.7.gz kern.log.61.gz secure.69.gz xensource.log.80.gz kern.log.62.gz secure.6.gz xensource.log.81.gz kern.log.63.gz secure.70.gz xensource.log.82.gz kern.log.64.gz secure.71.gz xensource.log.83.gz kern.log.65.gz secure.72.gz xensource.log.84.gz kern.log.66.gz secure.73.gz xensource.log.85.gz kern.log.67.gz secure.74.gz xensource.log.86.gz kern.log.68.gz secure.75.gz xensource.log.87.gz kern.log.69.gz secure.76.gz xensource.log.88.gz kern.log.6.gz secure.77.gz xensource.log.89.gz kern.log.70.gz secure.78.gz xensource.log.8.gz kern.log.71.gz secure.79.gz xensource.log.90.gz kern.log.72.gz secure.7.gz xensource.log.91.gz kern.log.73.gz secure.80.gz xensource.log.92.gz kern.log.74.gz secure.81.gz xensource.log.93.gz kern.log.75.gz secure.82.gz xensource.log.94.gz kern.log.76.gz secure.83.gz xensource.log.95.gz kern.log.77.gz secure.84.gz xensource.log.96.gz kern.log.78.gz secure.85.gz xensource.log.97.gz kern.log.79.gz secure.86.gz xensource.log.98.gz kern.log.7.gz secure.87.gz xensource.log.99.gz kern.log.80.gz secure.88.gz xensource.log.9.gz kern.log.81.gz secure.89.gz xenstored-access.log kern.log.82.gz secure.8.gz xenstored-access.log.10.gz kern.log.83.gz secure.90.gz xenstored-access.log.11.gz kern.log.84.gz secure.91.gz xenstored-access.log.12.gz kern.log.85.gz secure.92.gz xenstored-access.log.13.gz kern.log.86.gz secure.93.gz xenstored-access.log.14.gz kern.log.87.gz secure.94.gz xenstored-access.log.15.gz kern.log.88.gz secure.95.gz xenstored-access.log.16.gz kern.log.89.gz secure.96.gz xenstored-access.log.17.gz kern.log.8.gz secure.97.gz xenstored-access.log.18.gz kern.log.90.gz secure.98.gz xenstored-access.log.19.gz kern.log.91.gz secure.99.gz xenstored-access.log.1.gz kern.log.92.gz secure.9.gz xenstored-access.log.20.gz kern.log.93.gz SMlog xenstored-access.log.21.gz kern.log.94.gz SMlog.100.gz xenstored-access.log.22.gz kern.log.95.gz SMlog.101.gz xenstored-access.log.23.gz kern.log.96.gz SMlog.102.gz xenstored-access.log.24.gz kern.log.97.gz SMlog.103.gz xenstored-access.log.25.gz kern.log.98.gz SMlog.104.gz xenstored-access.log.26.gz kern.log.99.gz SMlog.105.gz xenstored-access.log.27.gz kern.log.9.gz SMlog.106.gz xenstored-access.log.28.gz lastlog SMlog.107.gz xenstored-access.log.29.gz maillog SMlog.108.gz xenstored-access.log.2.gz mcelog SMlog.109.gz xenstored-access.log.30.gz messages SMlog.10.gz xenstored-access.log.31.gz messages.100.gz SMlog.110.gz xenstored-access.log.32.gz messages.101.gz SMlog.111.gz xenstored-access.log.33.gz messages.102.gz SMlog.112.gz xenstored-access.log.34.gz messages.103.gz SMlog.113.gz xenstored-access.log.35.gz messages.104.gz SMlog.114.gz xenstored-access.log.36.gz messages.105.gz SMlog.115.gz xenstored-access.log.37.gz messages.106.gz SMlog.116.gz xenstored-access.log.38.gz messages.107.gz SMlog.117.gz xenstored-access.log.39.gz messages.108.gz SMlog.118.gz xenstored-access.log.3.gz messages.109.gz SMlog.119.gz xenstored-access.log.4.gz messages.10.gz SMlog.11.gz xenstored-access.log.5.gz messages.110.gz SMlog.120.gz xenstored-access.log.6.gz messages.111.gz SMlog.121.gz xenstored-access.log.7.gz messages.112.gz SMlog.122.gz xenstored-access.log.8.gz messages.113.gz SMlog.123.gz xenstored-access.log.9.gz -
MobaXterm has helped me a lot using a GUI for copying files, making copies, editing configs etc.
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Everything that ends in .gz can be safely just moved off (deleting from the source) as they are archival and not being used.
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@Danp said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Dashrender WinSCP would be handy here for copying the file.
As @Danp said, you can download WinSCP on your workstation, then log into the server using your credentials, then browse to the directory, and drag copy the files to your local computer. Once you've done that you can delete the logs - BUT - wait for Scott before doing any of that - he is an expert, I'm less than a noob.
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@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
Everything that ends in .gz can be safely just moved off (deleting from the source) as they are archival and not being used.
rm /var/log/*.gz
Is that correct? -
@Dashrender said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Danp said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@Dashrender WinSCP would be handy here for copying the file.
As @Danp said, you can download WinSCP on your workstation, then log into the server using your credentials, then browse to the directory, and drag copy the files to your local computer. Once you've done that you can delete the logs - BUT - wait for Scott before doing any of that - he is an expert, I'm less than a noob.
Same connection details as the SSH connection.
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@CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
Everything that ends in .gz can be safely just moved off (deleting from the source) as they are archival and not being used.
rm /var/log/*.gz
Is that correct?Yes, that will remove them.
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Filesystem Size Used Avail Use% Mounted on /dev/sda2 4.0G 3.1G 684M 83% / none 373M 72K 373M 1% /dev/shm /opt/xensource/packages/iso/XenCenter.iso 52M 52M 0 100% /var/xen/xc-install -
Much healthier.
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We still need to see the logs
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You might get some useful info from the XenCenter. In one of the earlier posts you had a Screencap of your XC. There were 5700+ notifications listed. I imagine if you click on that and goto Errors and Alerts buttons you will get some useful info. Alerts can be useful for finding the cause, Errors get a bit spammy in XC though they are useful as well.
Generally, the local storage not being connected is probably the first i would look at. That is bad. Then once that is working you need to figure out why your multipathd setup is borked. You said you changed some ip addresses; this is probably a major reason why it isnt working.
Have you tried logging into the switch this is all connected to and seeing if it is ok? -
@momurda said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
You might get some useful info from the XenCenter. In one of the earlier posts you had a Screencap of your XC. There were 5700+ notifications listed. I imagine if you click on that and goto Errors and Alerts buttons you will get some useful info. Alerts can be useful for finding the cause, Errors get a bit spammy in XC though they are useful as well.
Generally, the local storage not being connected is probably the first i would look at. That is bad. Then once that is working you need to figure out why your multipathd setup is borked. You said you changed some ip addresses; this is probably a major reason why it isnt working.
Have you tried logging into the switch this is all connected to and seeing if it is ok?Multipath is likely failing because the network is having issues.
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What is the network setup on these servers and the SAN?
One switch, multiple switches? how many connections to each server? etc.
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@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
We still need to see the logs
[root@xen2 ~]# tail -n 100 messages tail: cannot open `messages' for reading: No such file or directory -
@momurda said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
You might get some useful info from the XenCenter. In one of the earlier posts you had a Screencap of your XC. There were 5700+ notifications listed. I imagine if you click on that and goto Errors and Alerts buttons you will get some useful info. Alerts can be useful for finding the cause, Errors get a bit spammy in XC though they are useful as well.
Generally, the local storage not being connected is probably the first i would look at. That is bad. Then once that is working you need to figure out why your multipathd setup is borked. You said you changed some ip addresses; this is probably a major reason why it isnt working.
Have you tried logging into the switch this is all connected to and seeing if it is ok?It's a few thousand of these.
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@CitrixNewbJD said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
@scottalanmiller said in XenServer 6.2 servers down. I have no Xen skill. Most likely networking? Help!:
We still need to see the logs
[root@xen2 ~]# tail -n 100 messages tail: cannot open `messages' for reading: No such file or directorymight have to cd to the logs folder and try that tail again.
