{"id":628,"date":"2013-08-09T06:48:44","date_gmt":"2013-08-09T14:48:44","guid":{"rendered":"http:\/\/systemsolver.com\/StatlerBlog\/?p=628"},"modified":"2013-08-09T06:48:44","modified_gmt":"2013-08-09T14:48:44","slug":"backups-with-rsync-and-unison","status":"publish","type":"post","link":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/2013\/08\/09\/backups-with-rsync-and-unison\/","title":{"rendered":"Backups with rsync and unison"},"content":{"rendered":"<p>If this post seems obtuse to you it&#8217;s because it is a note for future development of a real post.<\/p>\n<p>Using the hardlink feature on rsync &#8212; on the backup computer one drive takes the main rsync (with -delete) update from the folder\/drive to be backed up and a second drive copies that drive with rotating folders using the -hardlink feature of rsync. That way the folder\/drive to be backed up is only hit partially for a read, and the real work is done by the backup computer when a whole file needs to be copied because of changes. This is less important for small files but very important for files in the 50 and up megabyte range.<\/p>\n<p>Unison syncs == check out <a href=\"http:\/\/www.cis.upenn.edu\/~bcpierce\/unison\/docs.html\">http:\/\/www.cis.upenn.edu\/~bcpierce\/unison\/docs.html<\/a><\/p>\n<p>Unison might be better than remote mapped drives, especially for large files.<\/p>\n<p><a href=\"http:\/\/www.nongnu.org\/jbackpack\/index.html\">JBackpack<\/a> is a frontend for <a href=\"http:\/\/rdiff-backup.nongnu.org\/examples.html\">rdiff<\/a>. The problem with rdiff is that getting to view previous versions of a file is tedious. I prefer the idea of just exploring real files, but the drawback to that is multiple copies of large files.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If this post seems obtuse to you it&#8217;s because it is a note for future development of a real post. Using the hardlink feature on rsync &#8212; on the backup computer one drive takes the main rsync (with -delete) update from the folder\/drive to be backed up and a second drive copies that drive with [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-628","post","type-post","status-publish","format-standard","hentry","category-general"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/posts\/628","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/comments?post=628"}],"version-history":[{"count":0,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/posts\/628\/revisions"}],"wp:attachment":[{"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/media?parent=628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/categories?post=628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/systemsolver.goodhealthyday.com\/StatlerBlog\/wp-json\/wp\/v2\/tags?post=628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}