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Hari Mankude commented on HDFS-2802: ------------------------------------ A quick user's guide hadoop dfsadmin -createsnap <snapname> <path where snap is to be taken> <ro/rw> will create a snap with snapname at the location mentioned hadoop dfsadmin -removesnap <snapname> will remove snapshot hadoop dfsadmin -listsnap / will list all snaps that have been taken under / > Support for RW/RO snapshots in HDFS > ----------------------------------- > > Key: HDFS-2802 > URL: https://issues.apache.org/jira/browse/HDFS-2802 > Project: Hadoop HDFS > Issue Type: New Feature > Components: data-node, name-node > Affects Versions: 0.24.0 > Reporter: Hari Mankude > Assignee: Hari Mankude > Attachments: snap.patch, snapshot-one-pager.pdf > > > Snapshots are point in time images of parts of the filesystem or the entire > filesystem. Snapshots can be a read-only or a read-write point in time copy > of the filesystem. There are several use cases for snapshots in HDFS. I will > post a detailed write-up soon with with more information. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira