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.emmerich@croit.io>:
ceph df shows a worst-case estimate based on current data distribution, check "rados df" for more "raw" counts
Paul
-- Paul Emmerich
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On Mon, Sep 30, 2019 at 7:49 PM Ilmir Mulyukov <ilmir.mulyukov@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-leave@ceph.io