Hello, I am building a new cluster with 4 hosts, which have the following configuration:
128Gb RAM 12 HDs SATA 8TB 7.2k rpm 2 SSDs 240Gb 2x10GB Network I will use the cluster to store RBD images of VMs, I thought to use with 2x replica, if it does not get too slow. My question is: Using bluestore (default since Luminous, right?), should I use the SSDs as a "cache pool" or use the SSDs to store the bluestore metadata? Or could I use 1 SSD for metadata and another for a "cache pool"? Thank you in advance for your opinions. Gesiel
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