Example Analysis of Ceph Command Line

Editor to share with you the example analysis of the Ceph command line, I believe that most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

I. Scrub process settings

1. The output result "scrub_stamp" column in the ceph pg dump command shows the time of the scrub and the current status of the PG.

2. Whether regular timing scrub operations are performed in ceph osd set noscrub and ceph osd unset noscrub clusters

3. Ceph pg scrub 1.22 scrub PG, which is not affected by the settings in 2.

II. Keyring generation

Ceph-authtool-create-keyring / data/mon.0/ceph.mon.keyring-gen-key-n mon. -- cap mon 'allow *'

Ceph auth get-or-create osd.0 mon 'allow rwx' osd' allow *'- o / data/osd.0/keyring

Ceph auth get-or-create osd.3 mon 'allow rwx' osd' allow *'- o / data/osd.3/keyring

3. Upload objects and view them.

1. Upload rados put {object-name} {file-path}-- pool=data sample rados put rbd.py rbd.py-- pool=data

2. View the location of the object

Ceph osd map {pool-name} {object-name} sample ceph osd map data test.txt

3. Rados lspools displays the names of all pools

4. Rados df counts the number of all pool objects

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