Ceph storage

Ceph storage

Monitor usage of Ceph storage system at both client side and host level.

Extension

Free trial Documentation

Product information
Release notes

Overview

This is intended for users, who:

Would like to monitor usage and performance of their Ceph platform.
Require constant ability to have live information about host resources and data flow.
Aim to shorten analysis time, required to find out root cause of possible system failures, to the minimum.

Use cases

This enables you to:

Monitor host resources usage and its capacity levels.
Collect data regarding active and inactive Ceph object storage daemons.
Observe system data flow in terms of write/read operations, for the cluster as a whole, and for the osd's in particular.

Compatibility information

Environment with Ceph storage deployed

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Extension content

Content typeNumber of items included

list screen layout

4

screen entities lists

9

metric metadata

35

screen layout

4

dashboards

1

generic relationship

5

generic type

4

screen properties

4

screen chart groups

10

metric query

3

Feature sets

Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.

Feature setsNumber of metrics included

Metric name	Metric key	Description	Unit
Total Capacity	ceph_cluster_total_bytes	Total cluster capacity in bytes	Byte
Used Capacity	ceph_cluster_total_used_bytes	Used cluster capacity in bytes	Byte
Monitor Metadata	ceph_mon_metadata	Placeholder metric to get monitor metadata dimensions from exporter	Count
OSD Metadata	ceph_osd_metadata	Placeholder metric to get OSD metadata dimensions from exporter	Count

Metric name	Metric key	Description	Unit
Objects Count	ceph_pool_objects	Number of objects in pool	Count
Objects Recovered	ceph_pool_num_objects_recovered	Number of recovered objects in pool	Count
Bytes Recovered	ceph_pool_num_bytes_recovered	Number of recovered bytes in pool	Byte
Pool Objects Quota	ceph_pool_quota_objects	Object quota set for pool	Count
Pool Bytes Quota	ceph_pool_quota_bytes	Byte quota set for pool	Count

Metric name	Metric key	Description	Unit
PG Active	ceph_pg_active	Placement group active per pool	Count
PG Down	ceph_pg_down	Placement group down per pool	Count
PG Clean	ceph_pg_clean	Placement group clean per pool	Count
PG Backfill Too Full	ceph_pg_backfill_toofull	Placement group backfill_toofull per pool	Count
PG Degraded	ceph_pg_degraded	Placement group degraded per pool	Count
PG Failed Repair	ceph_pg_failed_repair	Placement group failed repair per pool	Count
PG Incomplete	ceph_pg_incomplete	Placement group incomplete per pool	Count
PG Stale	ceph_pg_stale	Placement group stale per pool	Count
PG Inconsistent	ceph_pg_inconsistent	Placement group inconsistent per pool	Count

Metric name	Metric key	Description	Unit
Open Sessions	ceph_mon_num_sessions	Number of open monitor sessions	Count
Quorum	ceph_mon_quorum_status	Monitor daemons in quorum	Count

Metric name	Metric key	Description	Unit
Bytes Written	ceph_osd_op_w_in_bytes	Total sum of bytes written to OSD	Byte
Bytes Read	ceph_osd_op_r_out_bytes	Total sum of bytes read from OSD	Byte
Write Operations	ceph_osd_op_w	Total sum of write operations performed on OSD	Count
Read Operations	ceph_osd_op_r	Total sum of read operation performed on OSD	Count
Recovery Operations	ceph_osd_recovery_ops	Number of recovery operations in OSD	Count

Metric name	Metric key	Description	Unit
OSD Apply Latency	ceph_osd_apply_latency_ms	Latency of the "commit" operation on the OSD	MilliSecond
OSD Commit Latency	ceph_osd_commit_latency_ms	Latency of the "commit" operation on the OSD	MilliSecond
Total OSD Write Latency	ceph_osd_op_w_latency_sum	Total latency of the "write" operations on the OSD	MilliSecond
Total OSD Read Latency	ceph_osd_op_r_latency_sum	Total latency of the "read" operations on the OSD	MilliSecond

Metric name	Metric key	Description	Unit
OSDs IN	ceph_osd_in	Storage daemons in the cluster	Count
OSDs UP	ceph_osd_up	Storage daemons running	Count
Placement groups	ceph_osd_numpg	Placement groups	Count

Full version history

To have more information on how to install the downloaded package, please follow the instructions on this page.

ReleaseDate

Full version history

Added additional placement group metrics

Full version history

Fixed ceph-cluster:cluster entity rules to work with local monitoring configurations.

Full version history

No release notes

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