> 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
