Le Thu, 14 Sep 2017 10:10:09 -0300 FERNANDO FREDIANI <fernando.frediani@xxxxxxx> écrivait: > If the users reads a piece of data that is just writen to SSD > (unlikely) it should first and in any condition be commited to the > permanent storage and then read from there and cached in another area > of the SSD. Writaback cache is very volatile and lasts only a few > seconds while the data is not yet committed to permanent storage. > > In fact multiple device suport is not implemented yet, that's why I > am asking it and comparing with other well technology as ZFS. > However nothing in bcache prevents you from using for instance a RAID of SSDs as a cache device. Actually for write caching it's mandatory IMO. -- ------------------------------------------------------------------------ Emmanuel Florac | Direction technique | Intellique | <eflorac@xxxxxxxxxxxxxx> | +33 1 78 94 84 02 ------------------------------------------------------------------------
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