On Sat, Jan 4, 2020 at 5:09 AM Tobias Moehle tobias.moehle@uni-rostock.de wrote:

Dear all,

First of all I'd like to wish all developers/maintainers and users a happy new year and all the best.

I know I am quite late with this topic, but other things distracted me so-far: I'd like to finally upgrade our cluster to 11.0.

According to the upgrade instructions ( https://docs.qlustar.com/en-US/Qlustar_Cluster_OS/11.0/html-single/Release_N...)

it is more or less an apt distupgrade; but since there are a lot of changes and I have very bad experience trying to upgrade merely ubuntu-versions (which usually breaks), I can't believe it is so simple?

So I'd like to ask whether it is really as simple and what your experiences are? Any caveats, things to keep in mind? Can I do it while calculations are running or should I rather wait for all of them to finish (we have run-times of months, therefore this is a thing in my case).

Any advice/comment is very welcome.

Best regards, Tobias

I'm interested in this too! This upgrade is on my to-do list and I'm a bit hesitant.

Thanks, Bryan

Hi Roland,

thank you for the answer and encouraging words; than I'll announce a maintenance for this and try it. I hope, we don't have incompatible packages/setups.

@Bryan: Sounds good to hear that I am not the only one who still didn't upgrade; I'll keep you informed on my experiences. But as I mentioned, due to our long run times of cluster-jobs it will take some time.

Best regards,

Tobias

On 07.01.20 16:16, Roland Fehrenbacher wrote:

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"T" == Tobias Moehle tobias.moehle@uni-rostock.de writes:

Hi Tobias,

 T> Dear all, First of all I'd like to wish all
 T> developers/maintainers and users a happy new year and all the
 T> best.

thanks, our best wishes for the new year to you as well.

 T> I know I am quite late with this topic, but other things
 T> distracted me so-far: I'd like to finally upgrade our cluster to
 T> 11.0.

 T> According to the upgrade instructions
 T> (https://docs.qlustar.com/en-US/Qlustar_Cluster_OS/11.0/html-single/Release_Notes/index.html#idm139680848325088)
 T> it is more or less an apt distupgrade; but since there are a lot
 T> of changes and I have very bad experience trying to upgrade
 T> merely ubuntu-versions (which usually breaks), I can't believe it
 T> is so simple?

It should be, as long as you follow the guide precisely. I didn't have problems while upgrading many customer clusters (otherwise they would have been solved by now anyway ;) ). Obviously we only install the minimum needed set of packages for a given cluster, so if you have pulled in many non-Qlustar related packages from base Ubuntu, you might run into problems on that side. But these should be rather minor and only concern the corresponding package(s). T> So I'd like to ask whether it is really as simple and what your T> experiences are? Any caveats, things to keep in mind? Can I do it T> while calculations are running or should I rather wait for all of T> them to finish (we have run-times of months, therefore this is a T> thing in my case).

Better to wait for calculations to finish. All nodes will need a reboot anyway.

Ok, than I

 T> Any advice/comment is very welcome.

Best,

Roland _______________________________________________ Qlustar-General mailing list -- qlustar-general@qlustar.org To unsubscribe send an email to qlustar-general-leave@qlustar.org