Am Dienstag, 6. Dezember 2011, 11:51:45 schrieben Sie:
> PG = "placement group". When placing data in the cluster, objects are
> mapped into PGs, and those PGs are mapped onto OSDs.
How does the Object->PG mapping look like, do you map more than one object on
one PG, or do you sometimes map an object to more than one PG? How about the
mapping of PGs to OSDs, does one PG belong to exactly one OSD?
Does one PG represent a fixed amount of storage space?
Guido
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