Hi all,
I have a small cluster together and it's running fairly well (3 nodes, 21 osds). I'm looking to improve the write performance a bit though, which I was hoping that using SSDs for journals would do. But, I was wondering what people had as recommendations for SSDs to act as journal drives. If I read the docs on ceph.com correctly, I'll need 2 ssds per node (with 7 drives in each node, I think the recommendation was 1ssd per 4-5 drives?) so I'm looking for drives that will work well without breaking the bank for where I work (I'll probably have to purchase them myself and donate, so my budget is somewhat small). Any suggestions? I'd prefer one that can finish its write in a power outage case, the only one I know of off hand is the intel dcs3700 I think, but at $300 it's WAY above my affordability range.
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