You are welcome! Just realized I didn't CC the list properly.
On Tue, Jul 20, 2021 at 12:18 PM huxia...@horebdata.cn <huxia...@horebdata.cn> wrote: > > Hi, Nathan, > > thanks a lot for the suggestions. Indeed it looks quite feasible with > re-layout > > best regards, > > samuel > > ________________________________ > huxia...@horebdata.cn > > > From: Nathan Fish > Date: 2021-07-20 00:42 > To: huxia...@horebdata.cn > Subject: Re: [ceph-users] How to make CephFS a tiered file system? > https://docs.ceph.com/en/latest/cephfs/file-layouts/ > > Make a fast pool and a slow pool, set the fast pool as the default > layout at the top level, then have a job look for old files and > re-layout them? Should work. > > On Mon, Jul 19, 2021 at 5:28 PM huxia...@horebdata.cn > <huxia...@horebdata.cn> wrote: > > > > Dear Cepher, > > > > I have a requirement to use CephFS as a tiered file system, i.e. the data > > will be first stored onto an all-flash pool (using SSD OSDs), and then > > automatically moved to an EC coded pool (using HDD OSDs) according to > > threshold on file creation time (or access time). The reason for such a > > file system is due to the fact that, files are created and most likely > > accessed within the first 6 months or 1 year, and after that period, those > > files have much less chance to be accessed and thus could be moved to a > > slower and cheap pool. > > > > Does CephFS already support such a tiered feature? and if yes, how to > > implement such feature with a pool of all SSD pool and a pool of EC-coded > > HDD pool? > > > > Any suggestion, ideas, comments are highly appreciated, > > > > best regards, > > > > samuel > > > > > > > > huxia...@horebdata.cn > > _______________________________________________ > > 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
