Xen Orchestra on Ubuntu 15.10 - Complete installation instructions
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@DustinB3403 Thanks!
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Anyone already tackle the issue of how to start XO automatically when the VM is booted? If so, what was your solution?
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@Danp said:
Anyone already tackle the issue of how to start XO automatically when the VM is booted? If so, what was your solution?
I haven't looked into this yet, but you could run a crontab job at boot that does this for you.
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@DustinB3403 said:
@Danp said:
Anyone already tackle the issue of how to start XO automatically when the VM is booted? If so, what was your solution?
I haven't looked into this yet, but you could run a crontab job at boot that does this for you.
I always forget that cron can take care of that, rather than writing your own init or systemd script. Probably the best way to handle it quickly and easily.
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Good old cron....
Always being forgotten about
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At the moment I'm build a test XO update script..
Wish me luck.
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So I've made a super simple script file that will update your XO installation.
I recommend that you shutdown the XO services while this runs.
sudo mkdir /opt/xo-update cd /opt/xo-update wget https://gist.githubusercontent.com/Jarli01/4d32d4f1b8c5786c9299/raw/c1af91129bdbd4775653932aa957c2ea48889fe7/xo-update.sh chmod +x xo-update.sh
To run it
from /opt/xo-update
sudo ./xo-update.sh
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@DustinB3403 can we just add this as an option to @scottalanmiller script? Having it all in one script would be nice.
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Should you perhaps add the shut down of XO to the script? Perhaps prompt the user that it's going to happen and give them an out?
Or is that to Windowsee? -
@Dashrender said:
Should you perhaps add the shut down of XO to the script? Perhaps prompt the user that it's going to happen and give them an out?
Or is that to Windowsee?A bit Windowsee
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@anonymous said:
@DustinB3403 can we just add this as an option to @scottalanmiller script? Having it all in one script would be nice.
The installation script only currently does the installation.
Where as updating could be performed daily or even weekly depending on how often @olivier and his team make adjustments.
Having the separate script made more sense to me.
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Now you could, just rerun the installation script.... but that seems like overkill.
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@Dashrender said:
Should you perhaps add the shut down of XO to the script? Perhaps prompt the user that it's going to happen and give them an out?
Or is that to Windowsee?That is a very simple exit command.
But presumably you want to run it on your schedule. So it's not getting turned off at whatever schedule.
sudo npm stop
But yeah....
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@DustinB3403 said:
Now you could, just rerun the installation script.... but that seems like overkill.
Agreed.
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@DustinB3403 said:
@Dashrender said:
Should you perhaps add the shut down of XO to the script? Perhaps prompt the user that it's going to happen and give them an out?
Or is that to Windowsee?That is a very simple exit command.
But presumably you want to run it on your schedule. So it's not getting turned off at whatever schedule.
sudo npm stop
But yeah....
ummm.. wouldn't you be running the update on that same schedule? I'm assuming there would be some kind of service interruption when you apply the updates? at least a possible one.
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@Dashrender The only interruption would be to XO, not your VM's.
If you have "maintenance planned" then you run your updates and go on with your day.
My reasoning for making it a manual run, is if you break your installation, then its on you. You can't access the files while XO is running, it breaks something in there (from experience)
Since this is the Open-Source version, I'm assuming you'll (we) will only update when we see something is broken, or a need for a feature, or lastly because it's awesome and we need to update.
Shutting down the system automatically could be detrimental to your infrastructure (breaking your XO installation) which can effect your backup schedule.
IE new XO installation, would change your backup schedule.
Edit: meaning your backup directly might inadvertently become full because you end up with delta's and the initial full which never go away.... -
Does XO have "HA" capabilities? Can you run two XO servers in sync?
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@coliver said:
Does XO have "HA" capabilities? Can you run two XO servers in sync?
Calling @olivier
I'm not sure, I don't see why you couldn't have multiple XO servers running at once, but I'm uncertain of what capabilities you'd gain if any.
Other than the ability to test updates on one host first, and then the other. Limiting your downtime.
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@DustinB3403
In that case I guess I'd update the script to not only shut down XO before updating, but also running a backup using that other (I can't recall the name of it) backup solution you were using before XO. Then you'd have a fall back point before you ran the update, and could easily fail back to it in case you have problems after the updates.now you have a whole solution.
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@Dashrender NAUBackup, yes it's a viable solution that works from XenServer.
It could certainly work, but it's at a separate host, not sure how you'd script that....
NAUBackup just runs from crontab (or manually if you run it).
I'd just use XC to snapshot what's there for XO, update and test. If all is good, delete the Snapshot.