[pve-devel] applied: [PATCH manager] pveceph: createosd: allow to create bluestore OSDs

[Dietmar Maurer]

> Besides, the bluestore format is a mix of a file system (used for metadata)
> and
> rockdb ...
> So maybe we should allow both parameters if people want to choose the file
> system used
> for bluestore metadata?

Digging a bit deeper, I found the following:

> BlueStore can use multiple block devices for storing different data, 
> for example: Hard Disk Drive (HDD) for the data Solid-state Drive (SSD) for 
> metadata Non-volatile Memory (NVM) or Non-volatile random-access memory
> (NVRAM) or 
> persistent memory for the RocksDB write-ahead log (WAL).

I wonder if such setup if really advisable?