I use EC 4+2 on backup backup site, production site is running replica3, running 8 servers on backup side and 12 on production side number of OSDs per server is 16 on all of them Production has lacp bonded 25G networking for public and cluster network backup has just 10G networking with no redundancy On Thu, Nov 23, 2023 at 2:58 PM Albert Shih <Albert.Shih@xxxxxxxx> wrote: > Hi everyone, > > I just like to know what's your opinion about the reliability of erasure > coding. > > Of course I can understand if we want the «best of the best of the best» > ;-) I can choose the replica method. > > I heard in many location “replica” are more reliable, “replica” are more > efficient etc... > > Yes...well since 25 years I'm using raid (5, 6, lvm, raidz1, raidz2, etc.) > I never loose data only once when a firmware bug in some xxxxx card crash > the raid volume. > > Now 25 years later lot of people recommend to use replica so if I buy XTo > I'm only going to have X/3 To (vs raidz2 where I loose 2 disks over 9-12 > disks). > > So my question are : Anyone use in large scale erasure coding for critical > (same level as raidz1/raid5 ou raidz2/raid6) ? > > Regards > -- > Albert SHIH 🦫 🐸 > Observatoire de Paris > France > Heure locale/Local time: > jeu. 23 nov. 2023 14:51:28 CET > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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