X-Git-Url: http://git.vrable.net/?p=cumulus.git;a=blobdiff_plain;f=NEWS;h=1dbe28c98a101a7480d3112fa92c7fab59d6ca15;hp=b23e27a0ec0eb787dcf1e35035028dc3f5c1d8cb;hb=HEAD;hpb=9d3cca72ea3c0f912c7250d84e12357346e59fe2 diff --git a/NEWS b/NEWS index b23e27a..1dbe28c 100644 --- a/NEWS +++ b/NEWS @@ -1,4 +1,70 @@ -0.7 [??] +0.11 [???] + - SNAPSHOT FORMAT CHANGES: + - The object slice syntax has been simplified; backup restores + are still possible but rebuilding the local database from + snapshots before v0.8 will require translation. + - Timestamps encoded into the top-level snapshot file name are + now UTC instead of the local time zone. This should avoid + ambiguity and ensure sorted order is chronological order in + the face of time zone changes. + - The format identifier is now "Format: Cumulus Snapshot v0.nn" + instead of "Format: LBS Snapshot v0.nn" (but the updated tools + will accept either variation). + - Additional checksum algorithms: sha224, sha256 (sha1 is still + supported). + - LOCAL DATABASE CHANGES: + - Segment utilization data (per snapshot) is tracked + differently, to allow better segment cleaning decisions. + - New, greatly-enhanced file include/exclude filtering language. + This is based on the filter language is rsync (though simplified) + and allows glob-like patterns. It also supports filter rules + merged at backup-time from files in the file system; this allows, + for example, users to control which files in their home + directories are included in backups. See doc/exclude.rst for + details. + - A new Python-based command-line interface to Cumulus. Eventually + this should be the only command directly invoked by the user; it + will automate backup expiration, segment cleaning, backup + mirroring, etc. Configuration options are read from a config file + so they can be applied consistently. + +0.10 [2012-05-29] + - Make a release that packages up various long-existing patches. + - Add FTP and SFTP storage backends (from Ralf Schlatterbeck and + Albert Dengg). + - Various bugfixes. + +0.9 [2009-07-28] + - Rework storage layer, to make it easier to support local files, + S3, and in the future more storage backends. cumulus-util now + permits URLS for specifying storage locations, including s3:// for + Amazon S3 storage. + - The script-level interface between the main cumulus binary and + remote storage has changed. It should not yet be considered + completely finalized. + - Add a tool (cumulus-sync) for copying snapshots between storage + repositories. + - Add a (mostly proof-of-concept) FUSE interface for accessing + snapshots. + - Implement a basic garbage-collection command for deleting unused + segments. There still needs to be a way to select snapshots to + delete (perhaps based on some type of schedule). + - Assorted minor bugfixes. + +0.8 [2008-08-01] + - SNAPSHOT FORMAT CHANGE: The snapshot format has been extended to + allow the local database to be partially rebuilt from the contents + of the metadata log. This may be useful for disaster recovery and + other scenarios. The changes are small, but old tools will not + read the new backups. + - Add the --rebuild-statcache option which will re-read all files + instead of depending on the statcache file to be correct. This + will additionally print warnings if a file has changed but would + not have been detected as changed based on the statcache, and will + add subfile incremental signatures for existing files that do not + have them. + +0.7 [2008-06-23] - LOCAL DATABASE CHANGE: The addition of subfile incrementals has requires an extension to the local database. The upgrade script contrib/upgrade0.7-localdb.sql should be run prior to running @@ -7,7 +73,8 @@ name of "LBS"). Some traces of the old name still remain. - Initial support for direct backups to remote storage. A sample script is provided for backing up to Amazon S3. Other scripts - should be simple to write. + should be simple to write. The interface should not yet be + considered stable, and may change in a future release. - Support for efficient subfile incremental backups. Changes to a small portion of a file do not require re-uploading substantially all of the file, even in cases where there is an insertion or @@ -22,6 +89,9 @@ in a future version; in the meantime, if the current restore tool requires too much memory, try the old restore tool or the restore.pl script. + - Add a verbose ("-v") flag. By default, files will not be listed + as they are backed up. The old behavior can be turned back on + with -v. 0.6 [2008-02-19] - SNAPSHOT FORMAT CHANGE: A few minor tweaks have been made to the