Hello, On Wed, 24 Feb 2016 16:59:33 -0700 Robert LeBlanc wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > Let's start from the top. Where are you stuck with [1]? I have noticed > that after evicting all the objects with RBD that one object for each > active RBD is still left, I think this is the head object. Precisely. That came up in my extensive tests as well. > We haven't > tried this, but our planned procedure for finishing the deactivation > of a cache tier is to shut down the active VM, then flush again and > then start the VM again. Once all VMs have been stopped, flushed and > restarted, we should be able to remove the cache tier. That way we > don't have to stop all the VMs at once or for long periods of time. Yup, I tested this as well and it works. Bit of a pain if you're in a hurry, but otherwise the way forward for now. > I > hope at some point the last object can be flushed without shutting > down the VM. > Very much so, I consider this a bug, both in terms of functionality and from a documentation point of view. Christian > If you are experiencing something different, please provide some more > info, especially more detailed steps of what you tried. > > [1] > http://docs.ceph.com/docs/master/rados/operations/cache-tiering/?highlight=cache#removing-a-cache-tier > -----BEGIN PGP SIGNATURE----- Version: Mailvelope v1.3.6 > Comment: https://www.mailvelope.com > > wsFcBAEBCAAQBQJWzkPgCRDmVDuy+mK58QAABrEQAIFAxEEmKroSKqqGluFE > aCwvTTxye5IfIBjmVoreFZy+/r5B5D+aMBUFArANCk/A9V678mb/24MkCggT > 8Ehb0eBVbkWxptUfexXfSuXvFqTGWA5BDnVTzT9rJ5liTQinXbhDCuJcVCDb > hcHmNRnUrituZoDfivwp9ZMpe/ZqsQsIN06NyVhLyPWtA1/Ji06v1WwVkEKe > b6FkS4J4C6RdmgBi1+QNntcgLjgWi5CXNBrPwhyvRMHYyjGFGUJQ87S7mQJL > 4bBSs5e/bBraMBZlv59DgRjmvlGuBQHlSiqSsy3BKsHErKzjxYsh06fNTAZe > TJ6bVPsa+vUKprRdWtUIaxqbY6vAXytwpswL57zgvD4PuPAFD80Wz9AK0mgz > ypoUacAocRu+rIZ2NgEt4Xr6+K3pJ2wRT2Fs+xMmKt2uoH7XyccU+7kIrEhy > CD4AZfCXlOgA5LWYPFpBXC9087OygNZ7907klCG2QMn5Qh15W/MiylU0ECF8 > n3kNm4qEO4ICl5MiAXfaw2yaFa7Hht6N+oyDBRUI93Oj9I7pFA4uCrPhuPNt > oRgNN9nTwBdVqUICvWJxOsb0AHuJoVIZbLbJ5dNKpcxehrO9aC9Ursa5/Wqt > BGljYMYyg1QNf/CbAhZTpT+H4NQLPbN4D0muCchVKe7gekvj6u6vKjWwEiWR > cl7D > =U5aZ > -----END PGP SIGNATURE----- > ---------------- > Robert LeBlanc > PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 > > > On Wed, Feb 24, 2016 at 4:29 AM, Oliver Dzombic <info@xxxxxxxxxxxxxxxxx> > wrote: > > Hi Esta, > > > > how do you know, that its still active ? > > > > -- > > Mit freundlichen Gruessen / Best regards > > > > Oliver Dzombic > > IP-Interactive > > > > mailto:info@xxxxxxxxxxxxxxxxx > > > > Anschrift: > > > > IP Interactive UG ( haftungsbeschraenkt ) > > Zum Sonnenberg 1-3 > > 63571 Gelnhausen > > > > HRB 93402 beim Amtsgericht Hanau > > Geschäftsführung: Oliver Dzombic > > > > Steuer Nr.: 35 236 3622 1 > > UST ID: DE274086107 > > > > > > Am 24.02.2016 um 12:27 schrieb wikison: > >> Hi, > >> I want to disable rbd cache in my ceph cluster. I've set the *rbd > >> cache* to be false in the [client] section of ceph.conf and rebooted > >> the cluster. But caching system was still working. How can I disable > >> the rbd caching system? Any help? > >> > >> best regards. > >> > >> 2016-02-24 > >> ------------------------------------------------------------------------ > >> Esta Wang > >> > >> > >> _______________________________________________ > >> ceph-users mailing list > >> ceph-users@xxxxxxxxxxxxxx > >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> > > _______________________________________________ > > ceph-users mailing list > > ceph-users@xxxxxxxxxxxxxx > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Christian Balzer Network/Systems Engineer chibi@xxxxxxx Global OnLine Japan/Rakuten Communications http://www.gol.com/ _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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