Re: Upgrading to SSD

2016-04-26 Thread Jérôme Mainaud
:00 Anuj Wadehra : > Thanks All !! > > Anuj > > On Mon, 25/4/16, Alain RODRIGUEZ wrote: > > Subject: Re: Upgrading to SSD > To: user@cassandra.apache.org > Date: Monday, 25 April, 2016, 2:45 PM > > Hi > Anuj, You

Re: Upgrading to SSD

2016-04-25 Thread Anuj Wadehra
Thanks All !! Anuj On Mon, 25/4/16, Alain RODRIGUEZ wrote: Subject: Re: Upgrading to SSD To: user@cassandra.apache.org Date: Monday, 25 April, 2016, 2:45 PM Hi Anuj, You could do the following instead to minimize server downtime: 1. rsync

Re: Upgrading to SSD

2016-04-25 Thread Alain RODRIGUEZ
Hi Anuj, > You could do the following instead to minimize server downtime: > > 1. rsync while the server is running > 2. rsync again to get any new files > 3. shut server down > 4. rsync for the 3rd time > 5. change directory in yaml and start back up > +1 Here are some more details about that

Re: Upgrading to SSD

2016-04-23 Thread Jonathan Haddad
You could do the following instead to minimize server downtime: 1. rsync while the server is running 2. rsync again to get any new files 3. shut server down 4. rsync for the 3rd time 5. change directory in yaml and start back up On Sat, Apr 23, 2016 at 12:23 PM Clint Martin < clintlmar...@coolf

Re: Upgrading to SSD

2016-04-23 Thread Clint Martin
As long as you shut down the node before you start copying and moving stuff around it shouldn't matter if you take backups or snapshots or whatever. When you add the filesystem for the ssd will you be removing the existing filesystem? Or will you be able to keep both filesystems mounted at the sam

Upgrading to SSD

2016-04-23 Thread Anuj Wadehra
Hi We have a 3 node cluster of 2.0.14. We use Read/Write Qorum and RF is 3.  We want to move data and commitlog directory from a SATA HDD to SSD. We have planned to do a rolling upgrade. We plan to run repair -pr on all nodes  to sync data upfront and then execute following steps on each server