> -----Original Message----- > From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of > Robert LeBlanc > Sent: 15 October 2015 22:06 > To: ceph-users@xxxxxxxxxxxxxx > Subject: Cache Tiering Question > > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > ceph df (ceph version 0.94.3-252-g629b631 > (629b631488f044150422371ac77dfc005f3de1bc)) is showing some odd > results: > > root@nodez:~# ceph df > GLOBAL: > SIZE AVAIL RAW USED %RAW USED > 24518G 21670G 1602G 6.53 > POOLS: > NAME ID USED %USED MAX AVAIL OBJECTS > rbd 0 2723G 11.11 6380G 1115793 > ssd-pool 2 0 0 732G 1 > > The rbd pool is showing 11.11% used, but if you calculate the numbers there > it is 2723/6380=42.68%. I have a feeling that the percentage is based on the amount used of the total cluster size. Ie 2723/24518 > > Will this cause problems with the relative cache tier settings? Do I need to set > the percentage based on what Ceph is reporting here? The flushing/eviction thresholds are based on the target_max_bytes number that you set, they have nothing to do with the underlying pool size. It's up to you to come up with a sane number for this variable. > > Thanks, > - ---------------- > Robert LeBlanc > PGP Fingerprint 79A2 9CA4 6CC4 45DD A904 C70E E654 3BB2 FA62 B9F1 ----- > BEGIN PGP SIGNATURE----- > Version: Mailvelope v1.2.0 > Comment: https://www.mailvelope.com > > wsFcBAEBCAAQBQJWIBVGCRDmVDuy+mK58QAAXEYQAKm5IBGn81Hlb9az4 > 52x > hSH6onk7mJE7L2s5FnoJv2sNW4azhDEVKGQBE9vvhIVBhhtKtnqdzu3ytk6E > EUFuPBzUWLJyG3wQtp3QC0PdYzlGkS7bowdpZqk9PdaYZYgEdqG/cLEl/eAx > LGIUXmr6vIuNhnntGIIYeUAiWXA7b5qzOKbef6OlOp7Mz6Euel9S8ycZlSAR > eBQ5hdLSFoFai5ldyV+/hmqLnujOfanRFC8pIYr41aKe7wBOPOargLGQdka3 > jswmcf+0hV7QqZSOjJijDYvOgRuHBFK6cdyP9SRKxWxG7uH+yDOvya0TqOob > 1yDomYC1zD2uzG9+L5Iv6at8fuBF5xFKPqax9N4WQj3Oj9fBwioQVBocNxHc > MIlQnvnLeq6OLtdfPoPignTAHIH2RrvAmdwYkSCuopjUSTkmBsyBLIiiz/KI > P4mSXAxZb0UF4pbCDgdYG6qUEywR/enGsT1lnmNLx4vY8W/yz9xQ3o3JnIpD > pWyo9zJ8Ugnwvihbo7xKe+EZOeJL0YF4BiyAprH5pKFdQcAWcV98zWHnLBxd > EFHyN9fHsVdw0UsxIUBZFfM1u4S7fchgVeFfiTSdGqd/dWHQCHKJPNBSJnae > aPKTyvg77N6zTn04VGspfenR+svGbkAtUfO2HJ1Kkd4/wZ9GIzsS1ovPZFsM > jJe4 > =YSyj > -----END PGP SIGNATURE----- > _______________________________________________ > 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
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