Hi Cephers, I like some advice whether or not shall I use cache pool in writeback mode for openstack (Nova & Glance). So far I have two approaches:
1. Create SSD pools for Nova and Glance, each osd node having mix of SSD & HDD 2. Create cache pool(cache tier) of fast SSD and use it as cache tier for separate pools for Nova and Glance. I have read couple of blogs, stating cache tier performance issues. I will appreciate for a directions on how to choose between the above two options. Cheers, Shambhu
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