yeah, but you don't want to have those reference objects in an EC pool, that's iiuc been explicitly disallowed in newer versions, as it's a performance suck. so leaving them in the replicated pool is good :) On Mon, Apr 5, 2021 at 2:55 PM Oliver Freyermuth < freyermuth@xxxxxxxxxxxxxxxxxx> wrote: > Hi, > > that really looks like a useful tool, thanks for mentioning this on the > list :-). > > However, I'd also love to learn about a different way — as documentation > states: > "You may notice that object counts in your primary data pool (the one > passed to fs new) continue to increase, even if files are being created in > the pool you added." > https://docs.ceph.com/en/latest/cephfs/file-layouts/ > So I think while this will migrate the bulk of the data, it will never be > a full migration the way CephFS seems to be implemented. > Especially for growing EC clusters, it would be helpful to be able to > migrate to a different, more space-efficient EC profile as the number of > hosts increases. > > We're not at this point yet, but one day we'll surely be. Right now, the > only "complete migration" approach seems to be to create a new FS, and > migrate things over... > Am I right? > > Cheers, > Oliver > > > Am 05.04.21 um 19:22 schrieb Peter Woodman: > > hi, i made a tool to do this. it’s rough around the edges and has some > > known bugs with symlinks as parent paths but it checks all file layouts > to > > see if they match the directory layout they’re in, and if not, makes them > > so by copying and replacing. so to ‘migrate’ set your directory layouts > and > > then run this tool to move everything to the right places. > > > > i’m unaware of another way of doing this so if there is someone > tell me! > > > > https://git.sr.ht/~pjjw/cephfs-layout-tool > > > > On Sun, Apr 4, 2021 at 5:43 PM <ceph@xxxxxxxxxx> wrote: > > > >> Hello everyone, > >> > >> I currently have a CephFS running with about 60TB of Data. I created it > >> with a replicated pool as default pool, an erasure coded one as > >> additional data pool like it is described in the docs. Now I want to > >> migrate the data from the replicated pool, to the new erasure coded one. > >> I couldn't find any docs and was wondering if its even possible > >> currently. > >> > >> Thank you very much, > >> Fionera > >> _______________________________________________ > >> 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 > > > > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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