On Tue, Jan 25, 2022 at 4:49 AM Frédéric Nass <frederic.nass@xxxxxxxxxxxxxxxx> wrote: > > Hello, > > I've just heard about storage classes and imagined how we could use them > to migrate all S3 objects within a placement pool from an ec pool to a > replicated pool (or vice-versa) for data resiliency reasons, not to save > space. > > It looks possible since ; > > 1. data pools are associated to storage classes in a placement pool > 2. bucket lifecycle policies can take care of moving data from a storage > class to another > 3. we can set a user's default_storage_class to have all new objects > written by this user reach the new storage class / data pool. > 4. after all objects have been transitioned to the new storage class, we > can delete the old storage class, rename the new storage class to > STANDARD so that it's been used by default and unset any user's > default_storage_class setting. i don't think renaming the storage class will work the way you're hoping. this storage class string is stored in each object and used to locate its data, so renaming it could render the transitioned objects unreadable > > Would that work? > > Anyone tried this with success yet? > > Best regards, > > Frédéric. > > -- > Cordialement, > > Frédéric Nass > Direction du Numérique > Sous-direction Infrastructures et Services > > Tél : 03.72.74.11.35 > > _______________________________________________ > 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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