Ok thanks. Wido den Hollander <w...@42on.com>于2019年8月25日 周日上午4:47写道：
> > > > Op 24 aug. 2019 om 16:36 heeft Darren Soothill <darren.sooth...@suse.com> > het volgende geschreven: > > > > So can you do it. > > > > Yes you can. > > > > Should you do it is the bigger question. > > > > So my first question would be what type of drives are you using? > Enterprise class drives with a low failure rate? > > > > Doesn’t matter. From my experience: With 2x replication you will loose > data at some point. > > As a consultant I have just seen too many cases of data loss with 2x. > > Please, don’t do it. > > > Then you have to ask yourself are you feeling lucky? > > > > If you do a scrub and 1 drive returns 1 value and another drive returns > another value which one is correct? > > > > What happens should you have a drive failure and you have any other > error? A node failure? Another disk failure? A disk read error? All of > these could mean data loss. > > > > How important is the data you are storing and do you have a backup of it > as you will need that backup at some point. > > > > Darren > > > > Sent from my iPhone > > > >> On 24 Aug 2019, at 14:01, Wesley Peng <weslep...@gmail.com> wrote: > >> > >> > >> Hi, > >> > >> We have all SSD disks as ceph's backend storage. > >> Consider the cost factor, can we setup the cluster to have only two > replicas for objects? > >> > >> thanks & regards > >> Wesley > >> _______________________________________________ > >> ceph-users mailing list -- ceph-users@ceph.io > >> To unsubscribe send an email to ceph-users-le...@ceph.io > > _______________________________________________ > > ceph-users mailing list -- ceph-users@ceph.io > > To unsubscribe send an email to ceph-users-le...@ceph.io > >
_______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
