Hey Tomas, Thanks for writing back! I actually just had a chat with HPe folks that deal with the their Openstack team and they confirmed this as well.. Just not enough hours in the day to do all the testing.. :-)
Hopefully I’ll be testing in the next week or 2.. JC Jim Colestock jcolest...@gmail.com <mailto:jcolest...@gmail.com> https://www.linkedin.com/in/jcolestock/ <https://www.linkedin.com/in/jcolestock/> > On Feb 9, 2017, at 6:03 AM, Tomáš Vondra <von...@homeatcloud.cz> wrote: > > Hi Jim! > I think that the plan is good. I think Cinder should not delete anything > unless told to do so. You have to create the CPG space manually before Cinder > can start using it, so it does no initialization. Do you have opportunity to > test it, on some other CPG perhaps? We have the same setup with 3PAR here. > With one miniature cluster for testing. If you don’t have the opportinity, I > could, e.g. drop the Cinder database there and try importing a few volumes > back. > Tomas > > From: Jimmy Colestock [mailto:jcolest...@gmail.com] > Sent: Friday, February 03, 2017 4:54 PM > To: Openstack > Subject: [Openstack] Migrating cinder volumes to a new cluster > > Hello All, > > I want to migrate about 100 instances to a new cluster that are all backed by > cinder volumes on an HP 3Par. > My plan is: > > 1. Create the new cluster. > 2. Connect cinder to the existing 3Par cpg > 3. Manually update the cinder volume info in new cluster. > 4. Terminate the instance in the old cluster > 5. Launch an instance in the new cluster, attaching to the previously used > volume. > > Anyone tried anything like this before? My biggest concern is attaching to > the same CPG and to make sure cinder doesn’t re-iniialize the space or > otherwise delete any of the existing volumes. > > Thanks in advance for any thoughts.. > > JC > > > Jim Colestock > jcolest...@gmail.com <mailto:jcolest...@gmail.com> > https://www.linkedin.com/in/jcolestock/ > <https://www.linkedin.com/in/jcolestock/>
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