Paul, thank you! Do you mean that value? total_space 75.3TiB
Could you tell me where I can read about algorithm of calculating of worst case scenario? *rados df out:* POOL_NAME USED OBJECTS CLONES COPIES MISSING_ON_PRIMARY UNFOUND DEGRADED RD_OPS RD WR_OPS WR ala01vf01p01 16.7TiB 4411305 58090 8822610 0 0 0 2819034334 421TiB 931369992 1.43PiB ala01vf01p02 1.35TiB 358796 0 717592 0 0 0 1109215060 57.5TiB 1286147031 38.5TiB cachepool 1.60TiB 420974 5 841948 0 0 0 21677037783 2.61PiB 16048037966 2.06PiB total_objects 5191075 total_used 39.3TiB total_avail 36.0TiB *total_space 75.3TiB* вт, 1 окт. 2019 г. в 01:46, Paul Emmerich <paul.emmer...@croit.io>: > ceph df shows a worst-case estimate based on current data > distribution, check "rados df" for more "raw" counts > > Paul > > -- > Paul Emmerich > > Looking for help with your Ceph cluster? Contact us at https://croit.io > > croit GmbH > Freseniusstr. 31h > 81247 München > www.croit.io > Tel: +49 89 1896585 90 > > On Mon, Sep 30, 2019 at 7:49 PM Ilmir Mulyukov <ilmir.mulyu...@gmail.com> > wrote: > > > > Hello! > > We have a small proxmox farm with > > ceph consisting of three nodes. > > Each node has 6 disks each with a capacity of 4 TB. > > A only one pool has been created on these disks. > > Size 2/1. > > In theory, this pool should have a capacity: 32.74 TB > > But the ceph df command returns only: 22.4 TB (USED + MAX AVAIL)(16.7 + > 5.7) > > > > How to explain this difference? > > > > ceph version is: 12.2.12-pve1 > > ceph df command out: > > POOLS: > > NAME ID QUOTA OBJECTS QUOTA BYTES USED > %USED MAX AVAIL OBJECTS DIRTY READ WRITE > RAW USED > > ala01vf01p01 7 N/A N/A 16.7TiB > 74.53 5.70TiB 4411119 4.41M 2.62GiB 887MiB > 33.4TiB > > > > crush map: > > host n01vf01 { > > id -3 # do not change unnecessarily > > id -4 class hdd # do not change unnecessarily > > id -18 class nvme # do not change unnecessarily > > # weight 22.014 > > alg straw2 > > hash 0 # rjenkins1 > > item osd.0 weight 3.669 > > item osd.13 weight 3.669 > > item osd.14 weight 3.669 > > item osd.15 weight 3.669 > > item osd.16 weight 3.669 > > item osd.17 weight 3.669 > > } > > host n02vf01 { > > id -5 # do not change unnecessarily > > id -6 class hdd # do not change unnecessarily > > id -19 class nvme # do not change unnecessarily > > # weight 22.014 > > alg straw2 > > hash 0 # rjenkins1 > > item osd.1 weight 3.669 > > item osd.8 weight 3.669 > > item osd.9 weight 3.669 > > item osd.10 weight 3.669 > > item osd.11 weight 3.669 > > item osd.12 weight 3.669 > > } > > host n04vf01 { > > id -34 # do not change unnecessarily > > id -35 class hdd # do not change unnecessarily > > id -36 class nvme # do not change unnecessarily > > # weight 22.014 > > alg straw2 > > hash 0 # rjenkins1 > > item osd.7 weight 3.669 > > item osd.27 weight 3.669 > > item osd.24 weight 3.669 > > item osd.25 weight 3.669 > > item osd.26 weight 3.669 > > item osd.28 weight 3.669 > > } > > root default { > > id -1 # do not change unnecessarily > > id -2 class hdd # do not change unnecessarily > > id -21 class nvme # do not change unnecessarily > > # weight 66.042 > > alg straw2 > > hash 0 # rjenkins1 > > item n01vf01 weight 22.014 > > item n02vf01 weight 22.014 > > item n04vf01 weight 22.014 > > } > > > > rule replicated_rule { > > id 0 > > type replicated > > min_size 1 > > max_size 10 > > step take default > > step chooseleaf firstn 0 type host > > step emit > > } > > _______________________________________________ > > ceph-users mailing list -- ceph-users@ceph.io > > To unsubscribe send an email to ceph-users-le...@ceph.io >
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