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Questions - cephfs

Ceph cluster down, Reason OSD Full - not starting up

Cephadm Pacific v16.2.7 Our Ceph cluster is stuck pgs degraded and osd are down Reason:- OSD's got filled up Things we tried Changed vale to to maximum possible combination (not sure if done right ?)...
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Jesvin C Joachim

storage

ceph

cephfs

block-storage

cephadm

Votes: 0

Answers: 1

Latest Answer

Some versions of BlueStore were susceptible to BlueFS log growing extremely large - beyond the point of making booting OSD impossible. This state is indicated by booting that takes very long and fails...
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Jesvin C Joachim

how to fix ceph warning "storage filling up"

i have a cluster ceph and in monitoring tab dashboard show me warning "storage filling up" alertname storage filling up description Mountpoint /rootfs/run on ceph2-node-03.fns will be full i...
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farhad kh

ceph

cephfs

cephadm

Votes: 0

Answers: 0

ceph df max available miscalculation

Ceph cluster shows following weird behavior with ceph df output: --- RAW STORAGE --- CLASS SIZE AVAIL USED RAW USED %RAW USED hdd 817 TiB 399 TiB 418 TiB 418 TiB 51.21 ssd ...
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Nyquillus

ceph

cephfs

radosgw

Votes: 0

Answers: 3

Latest Answer

Turns out max available space is calculated according to the fullest osds in the cluster and has nothing to do with total free space in the cluster. From what i've found this kind of fluctiation mainl...
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Nyquillus

Understanding snapshots in Ceph

Our team is currently deciding whether to implement snapshotting on cephfs directories or not, and thus trying to understand the effects and performance issues caused by snapshots on the cluster. Our ...
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NIKHIL KOMMINENI

snapshot

ceph

cephfs

cephadm

librbd

Votes: 0

Answers: 1

Latest Answer

Some of the resources to understand the fundamentals of Ceph snapshots are as following: Chapter 9 namely "Storage Provisioning with Ceph" of book Learning Ceph Chapter "Planning for C...
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BZKN

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