Hi, I'm looking for recommended client local SSD caching startegy on OpenStack Compute where the backend storage is CEPH cluster. The target is for reducing Compute to Storage traffic. I have not known that librbd support local SSD caching. Beside, I'm not sure if block SSD caching of local mounted RBD volume (VM images/block as local files) will be good enough when more than one Compute access the same RBD volume. Any idea?
Best regards,
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