Thanks Alain, yes, I saw some of these, but I was hoping that there are new experiments. This is useful, now I need to find new HW to test these options. Thanks for your help.. Alaa
On Sat, Jan 27, 2018 at 9:04 AM, Alain RODRIGUEZ <arodr...@gmail.com> wrote: > Hello Alaa, > > Over time, people who tried seems to have failed to do a live migration > from windows to linux (and probably the other way around). It appears to be > something unsupported: > > http://grokbase.com/t/cassandra/user/13anrd7qv1/mixed-linux- > windows-cluster-in-cassandra-1-2 > http://grokbase.com/t/cassandra/user/115vy2hy4w/mixing- > different-os-in-a-cassandra-cluster > > Those discussions are a bit old. Yet if this incompatibility still true, > you can probably: > > 1 - Stop the cluster and use sstable loader to load data in the new linux > cluster > > or > > 2 - Fork writes to the new cluster, run the sstable loader then switch > clients, apparently doable without downtime > > This 2 solutions were discussed there http://grokbase.com/t/cassandr > a/user/125rhxydwb/migrating-from-a-windows-cluster-to-a-linux-cluster > > 3 - Try to run mixed cluster in a testing environment, check the Cassandra > code, possibly make a ticket or offer a patch if it does not work. If doing > so, add a new data center with linux, not mixed node within the same rack > or data center. It's safer and more efficient. Even though in this specific > case it might fail. > > C*heers, > ----------------------- > Alain Rodriguez - @arodream - al...@thelastpickle.com > France / Spain > > The Last Pickle - Apache Cassandra Consulting > http://www.thelastpickle.com > > > 2018-01-26 20:49 GMT+00:00 Alaa Zubaidi (PDF) <alaa.zuba...@pdf.com>: > >> Hi, >> What is the best way to migrate my Cassandra 2.x cluster from Windows to >> Linux? >> - Can I mix Windows and linux nodes in the same cluster? bring linux node >> one by one, and shutdown windows nodes one by one? >> - Can I use multiple racks feature? how would this work? >> - Other ideas? >> >> Regards. >> Alaa >> >> *This message may contain confidential and privileged information. If it >> has been sent to you in error, please reply to advise the sender of the >> error and then immediately permanently delete it and all attachments to it >> from your systems. If you are not the intended recipient, do not read, >> copy, disclose or otherwise use this message or any attachments to it. The >> sender disclaims any liability for such unauthorized use. PLEASE NOTE that >> all incoming e-mails sent to PDF e-mail accounts will be archived and may >> be scanned by us and/or by external service providers to detect and prevent >> threats to our systems, investigate illegal or inappropriate behavior, >> and/or eliminate unsolicited promotional e-mails (“spam”). If you have any >> concerns about this process, please contact us at * >> *legal.departm...@pdf.com* <legal.departm...@pdf.com>*.* > > > -- Alaa Zubaidi PDF Solutions, Inc. 333 West San Carlos Street, Suite 1000 San Jose, CA 95110 USA Tel: 408-283-5639 fax: 408-938-6479 email: alaa.zuba...@pdf.com -- *This message may contain confidential and privileged information. If it has been sent to you in error, please reply to advise the sender of the error and then immediately permanently delete it and all attachments to it from your systems. If you are not the intended recipient, do not read, copy, disclose or otherwise use this message or any attachments to it. The sender disclaims any liability for such unauthorized use. PLEASE NOTE that all incoming e-mails sent to PDF e-mail accounts will be archived and may be scanned by us and/or by external service providers to detect and prevent threats to our systems, investigate illegal or inappropriate behavior, and/or eliminate unsolicited promotional e-mails (“spam”). If you have any concerns about this process, please contact us at * *legal.departm...@pdf.com* <legal.departm...@pdf.com>*.*
