Thanks Ilya for the quick response. On Mon, 4 May 2020 at 11:03, Ilya Dryomov <idryomov@xxxxxxxxx> wrote: > On Mon, May 4, 2020 at 7:32 AM Void Star Nill <void.star.nill@xxxxxxxxx> > wrote: > > > > Hello, > > > > I wanted to know if rbd will flush any writes in the page cache when a > > volume is "unmap"ed on the host, of if we need to flush explicitly using > > "sync" before unmap? > > In effect, yes. rbd doesn't do it itself, but the block layer > does flush dirty data after making the disk unavailable for users > and before completely destroying it. > > That said, it is always better to flush everything you need flushed > yourself. That way you are clear and explicit about your intent, can > log or react to errors, etc. > > Thanks, > > Ilya > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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