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This article mainly shows you "how to back up and restore bucket metadata information". The content is easy to understand and clear. I hope it can help you solve your doubts. Let the editor lead you to study and learn the article "how to back up and restore bucket metadata information".

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View the list of metadata under bucket

To operate under ceph 10.2.9, take modifying the content_type attribute whose Object name is host as an example. All data operations are risky, so please proceed with caution.

Root@demohost:/home/demouser# radosgw-admin bi list-- bucket=test [{"type": "plain", "idx": "host", "entry": {"name": "host", # object name "instance": "", "ver": {"pool": 60 "epoch": 1}, "locator": "", "exists": "true", "meta": {"category": 1, "size": 254,254," mtime ":" 2017-08-30 07Vera 4616.956870Z " "etag": "99a8629776211452eb4b9c3e6333a426", "owner": "s3user", "owner_display_name": "s3user", "content_type": "text\ / plain", content_type attribute "accounted_size": 254} corresponding to # Object "tag": "0a6967a5-2c76-427a-99c6-8a788ca25034.54133.2084", "flags": 0, "pending_map": [], "versioned_epoch": 0}}] 2

View the bucketmetadata information of the corresponding Object

Root@demohost:/home/demouser# radosgw-admin bi get-bucket=test-object=host {"type": "plain", "idx": "host", "entry": {"name": "host", "instance": "", "ver": {"pool": 60, "epoch": 1}, "locator": "" "exists": "true", "meta": {"category": 1, "size": 254,254," mtime ":" 2017-08-300 07VR 46RA 16.956870Z "," etag ":" 99a8629776211452eb4b9c3e6333a426 "," owner ":" s3user "," owner_display_name ":" s3user " "content_type": "text\ / plain", "accounted_size": 254}, "tag": "0a6967a5-2c76-427a-99c6-8a788ca25034.54133.2084", "flags": 0, "pending_map": [] "versioned_epoch": 0}} root@demohost:/home/demouser# radosgw-admin bi get-- bucket=test-- object=host > host.bi # Export (backup) to local 3

Modify metadata of the corresponding Object

Root@demohost:/home/demouser# cat host.bi {"type": "plain", "idx": "host", "entry": {"name": "host", "instance": "", "ver": {"pool": 60, "epoch": 1}, "locator": "" "exists": "true", "meta": {"category": 1, "size": 254,254," mtime ":" 2017-08-300 07VR 46RA 16.956870Z "," etag ":" 99a8629776211452eb4b9c3e6333a426 "," owner ":" s3user "," owner_display_name ":" s3user " "content_type": "jpg\ / plain", # randomly changed jpg "accounted_size": 254}, "tag": "0a6967a5-2c76-427a-99c6-8a788ca25034.54133.2084", "flags": 0, "pending_map": [] "versioned_epoch": 0}} root@demohost:/home/demouser# radosgw-admin bi put-- bucket=test-- object=host < host.bi # Import modified content (restore) 4

View the result of modification

Root@demohost:/home/demouser# radosgw-admin bi get-bucket=test-object=host {"type": "plain", "idx": "host", "entry": {"name": "host", "instance": "", "ver": {"pool": 60, "epoch": 1}, "locator": "" "exists": "true", "meta": {"category": 1, "size": 254," mtime ":" 0.000000 "," etag ":" 99a8629776211452eb4b9c3e6333a426 "," owner ":" s3user "," owner_display_name ":" s3user " "content_type": "jpg\ / plain", # modification completed "accounted_size": 254}, "tag": "0a6967a5-2c76-427a-99c6-8a788ca25034.54133.2084", "flags": 0, "pending_map": [] "versioned_epoch": 0}} root@demohost:/home/demouser# radosgw-admin bi list-bucket=test [{"type": "plain", "idx": "host", "entry": {"name": "host", "instance": "", "ver": {"pool": 60 "epoch": 1}, "locator": "", "exists": "true", "meta": {"category": 1, "size": 254, "mtime": "0.000000", "etag": "99a8629776211452eb4b9c3e6333a426" "owner": "s3user", "owner_display_name": "u-n4999", "content_type": "jpg\ / plain", # modified "accounted_size": 254}, "tag": "0a6967a5-2c76-427a-99c6-8a788ca25034.54133.2084", "flags": 0 "pending_map": [], "versioned_epoch": 0}}] these are all the contents of the article "how to back up and restore bucketmetadata information" Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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