Ceph - Revision history

Kenneth: /* OSD */

2024-09-08T05:11:16Z

OSD

← Older revision		Revision as of 05:11, 8 September 2024
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	Add to CRUSH map:		Add to CRUSH map:
	ceph osd crush add {id-or-name} {weight} [{bucket-type}={bucket-name} ...]		ceph osd crush add {id-or-name} {weight} [{bucket-type}={bucket-name} ...]

			== File System ==

			ceph fs ls

			Get fsid for mount:
			sudo ceph fsid

			sudo mount.ceph client.admin@8fc87072-5946-466f-a10a-6fa9bd6fa925.cephfs=/ /mnt

	== POOL ==		== POOL ==

2024-09-08T04:28:51Z

Mouting Ceph

← Older revision		Revision as of 04:28, 8 September 2024
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	When using the mount helper, monitor hosts and FSID are optional. mount.ceph helper figures out these details automatically by finding and reading ceph conf file, .e.g:		When using the mount helper, monitor hosts and FSID are optional. mount.ceph helper figures out these details automatically by finding and reading ceph conf file, .e.g:
	mount -t ceph cephuser@.cephfs=/ -o secret=AQATSKdNGBnwLhAAnNDKnH65FmVKpXZJVasUeQ==		mount -t ceph cephuser@.cephfs=/ -o secret=AQATSKdNGBnwLhAAnNDKnH65FmVKpXZJVasUeQ==

			Note that the dot (.) still needs to be a part of the device string.

			A potential problem with the above command is that the secret key is left in your shell’s command history. To prevent that you can copy the secret key inside a file and pass the file by using the option secretfile instead of secret:

			mount -t ceph cephuser@.cephfs=/ /mnt/mycephfs -o secretfile=/etc/ceph/cephuser.secret

	== References ==		== References ==

2024-09-08T04:28:24Z

POOL

← Older revision		Revision as of 04:28, 8 September 2024
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	ceph osd pool stats		ceph osd pool stats

			== Mouting Ceph ==

			Mount CephFS using Kernel Driver — Ceph Documentation
			https://docs.ceph.com/en/quincy/cephfs/mount-using-kernel-driver/

			mount -t ceph {device-string}={path-to-mounted} {mount-point} -o {key-value-args} {other-args}

			mkdir /mnt/mycephfs
			mount -t ceph <name>@<fsid>.<fs_name>=/ /mnt/mycephfs

			name is the username of the CephX user we are using to mount CephFS. fsid is the FSID of the ceph cluster which can be found using ceph fsid command. fs_name is the file system to mount.

			example:
			mount -t ceph cephuser@b3acfc0d-575f-41d3-9c91-0e7ed3dbb3fa.cephfs=/ -o mon_addr=192.168.0.1:6789,secret=AQATSKdNGBnwLhAAnNDKnH65FmVKpXZJVasUeQ==

			When using the mount helper, monitor hosts and FSID are optional. mount.ceph helper figures out these details automatically by finding and reading ceph conf file, .e.g:
			mount -t ceph cephuser@.cephfs=/ -o secret=AQATSKdNGBnwLhAAnNDKnH65FmVKpXZJVasUeQ==

	== References ==		== References ==

2024-04-22T03:54:21Z

osd tree

← Older revision		Revision as of 03:54, 22 April 2024
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	1 ssd 1.50069 osd.1 up 1.00000 1.00000		1 ssd 1.50069 osd.1 up 1.00000 1.00000
	</pre>		</pre>

			List down tree OSD nodes: <ref>https://docs.ceph.com/en/quincy/rados/troubleshooting/troubleshooting-osd/</ref>
			ceph osd tree down

	==== osd stat ====		==== osd stat ====

2024-04-22T03:50:19Z

Status

@@ Line 41: / Line 41: @@
      client:   107 KiB/s rd, 4.0 KiB/s wr, 0 op/s rd, 0 op/s wr
 </pre>
 == OSD ==

2024-04-22T03:46:25Z

Status

2024-01-21T19:22:45Z

← Older revision		Revision as of 19:22, 21 January 2024
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			<!-- == Subpage Table of Contents == -->

			'''Subpage Table of Contents'''
			{{Special:PrefixIndex/{{PAGENAME}}/}}

			<br/>

			== Ceph ==

	== Hardware Recommendations ==		== Hardware Recommendations ==

2024-01-14T01:17:16Z

Status

← Older revision		Revision as of 01:17, 14 January 2024
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			== Hardware Recommendations ==

			hardware recommendations — Ceph Documentation
			https://docs.ceph.com/en/quincy/start/hardware-recommendations/

	== Status ==		== Status ==

2024-01-14T00:21:44Z

Status

2024-01-13T23:28:55Z

OSD

← Older revision		Revision as of 23:28, 13 January 2024
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			== Status ==

			ceph status

			Example:
			<pre>
			# ceph status
			cluster:
			id: ff74f760-84b2-4dc4-b518-8408e3f10779
			health: HEALTH_OK

			services:
			mon: 3 daemons, quorum vm-05,vm-06,vm-07 (age 12m)
			mgr: vm-07(active, since 47m), standbys: vm-06, vm-05
			mds: 1/1 daemons up, 2 standby
			osd: 3 osds: 3 up (since 4m), 3 in (since 4m)

			data:
			volumes: 1/1 healthy
			pools: 4 pools, 97 pgs
			objects: 3.68k objects, 13 GiB
			usage: 38 GiB used, 3.7 TiB / 3.7 TiB avail
			pgs: 97 active+clean

			io:
			client: 107 KiB/s rd, 4.0 KiB/s wr, 0 op/s rd, 0 op/s wr
			</pre>

	== OSD ==		== OSD ==