Re: Really need some advices on large data considerations

2014-05-16 Thread Yatong Zhang
Hi Michael, thanks for the reply, I would RAID0 all those data drives, personally, and give up managing them separately. They are on multiple PCIe controllers, one drive per channel, right? Raid 0 is a simple way to go but one disk failure can cause the whole volume down, so I am afraid raid

Re: Really need some advices on large data considerations

2014-05-16 Thread DuyHai Doan
You can watch this: https://www.youtube.com/watch?v=uoggWahmWYI Aaron is discussing about support for big nodes On Wed, May 14, 2014 at 3:13 AM, Yatong Zhang bluefl...@gmail.com wrote: Thank you Aaron, but we're planning about 20T per node, is that feasible? On Mon, May 12, 2014 at 4:33

Re: Really need some advices on large data considerations

2014-05-14 Thread Yatong Zhang
Thank you Aaron, but we're planning about 20T per node, is that feasible? On Mon, May 12, 2014 at 4:33 PM, Aaron Morton aa...@thelastpickle.comwrote: We've learned that compaction strategy would be an important point cause we've ran into 'no space' trouble because of the 'sized tiered'

Re: Really need some advices on large data considerations

2014-05-12 Thread Aaron Morton
We've learned that compaction strategy would be an important point cause we've ran into 'no space' trouble because of the 'sized tiered' compaction strategy. If you want to get the most out of the raw disk space LCS is the way to go, remember it uses approximately twice the disk IO. From