With filestore, if the NVMe actually died and you were unable to flush the journal to the data part of the OSD, then you lost the full OSD as well. That part hasn't changed at all from filestore to bluestore. There have been some other tickets on the ML here that talk about using `dd` to replace a block-db disk before it fails. This procedure works fine.
On Thu, Apr 26, 2018 at 11:28 PM Konstantin Shalygin <k0ste@xxxxxxxx> wrote:
> With data located on the OSD (recovery) or as fresh formatted OSD?
> Thank you.
With bluestore NVMe frontend is a part of osd. When frontend dies -
backend without db is a junk of bytes.
k
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