Great thanks Greg! One more question, magic is created by ceph-mon --mkfs? Martin, Chen IOTG, Software Engineer 021-61164330 -----Original Message----- From: Gregory Farnum <gfarnum@xxxxxxxxxx> Sent: Wednesday, March 4, 2020 12:24 AM To: Chen, Haochuan Z <haochuan.z.chen@xxxxxxxxx> Cc: ceph-devel@xxxxxxxxxxxxxxx; dev@xxxxxxx Subject: Re: question for ceph study It's just an arbitrary value to try and identify the store is really there. I *think* it's mostly about guaranteeing that the monitor store has been completely set up (ie, the store is fully created and you can use it), but I may be forgetting something. But it's of very little importance in the ordinary course of events. -Greg On Tue, Mar 3, 2020 at 8:20 AM Chen, Haochuan Z <haochuan.z.chen@xxxxxxxxx> wrote: > > Hi > > > > I am a rookie, one question. what's magic in monitor data? What’s the usage of magic? > > > > Thanks > > > > Martin, Chen > > IOTG, Software Engineer > > 021-61164330 > > > > _______________________________________________ > Dev mailing list -- dev@xxxxxxx > To unsubscribe send an email to dev-leave@xxxxxxx