Le 25/01/2016 11:04, Sam Huracan a écrit :
> Hi Cephers,
>
> When an Ceph write made, does it write to all File Stores of Primary OSD
> and Secondary OSD before sending ACK to client, or it writes to journal
> of OSD and sending ACK without writing to File Store?
>
> I think it would write to journal of all OSD, so using SSD journal will
> increase write IOPS.
Hi
That's it, writes are acknowledged as soon as they're written to each
OSD's journal.
Loris
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