{"id":3793,"date":"2022-12-20T17:20:05","date_gmt":"2022-12-20T20:20:05","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/btrfsmaplogical-man8\/"},"modified":"2022-12-20T17:20:05","modified_gmt":"2022-12-20T20:20:05","slug":"btrfsmaplogical-man8","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/btrfsmaplogical-man8\/","title":{"rendered":"BTRFS&minus;MAP&minus;LOGICAL (man8)"},"content":{"rendered":"<h1 align=\"center\">BTRFS\u2212MAP\u2212LOGICAL<\/h1>\n<p> <a href=\"#NAME\">NAME<\/a><br \/> <a href=\"#SYNOPSIS\">SYNOPSIS<\/a><br \/> <a href=\"#DESCRIPTION\">DESCRIPTION<\/a><br \/> <a href=\"#OPTIONS\">OPTIONS<\/a><br \/> <a href=\"#EXIT STATUS\">EXIT STATUS<\/a><br \/> <a href=\"#SEE ALSO\">SEE ALSO<\/a> <\/p>\n<hr>\n<h2>NAME <a name=\"NAME\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">btrfs-map-logical \u2212 map btrfs logical extent to physical extent<\/p>\n<h2>SYNOPSIS <a name=\"SYNOPSIS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\"><b>btrfs\u2212map\u2212logical<\/b> <i><options> <device><\/i><\/p>\n<h2>DESCRIPTION <a name=\"DESCRIPTION\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\"><i><b>btrfs\u2212map\u2212logical<\/b><\/i> can be used to find out what the physical offsets are on the mirrors, the result is dumped to stdout by default.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">Mainly used for debug purpose.<\/p>\n<h2>OPTIONS <a name=\"OPTIONS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">\u2212l|\u2212\u2212logical <i><logical_num><\/i><\/p>\n<p style=\"margin-left:17%;\">Logical extent to map.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">\u2212c|\u2212\u2212copy <i><copy><\/i><\/p>\n<p style=\"margin-left:17%;\">Copy of the extent to read(usually 1 or 2).<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">\u2212o|\u2212\u2212output <i><filename><\/i><\/p>\n<p style=\"margin-left:17%;\">Output file to hold the extent.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">\u2212b|\u2212\u2212bytes <i><bytes><\/i><\/p>\n<p style=\"margin-left:17%;\">Number of bytes to read.<\/p>\n<h2>EXIT STATUS <a name=\"EXIT STATUS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\"><b>btrfs\u2212map\u2212logical<\/b> will return 0 if no error happened. If any problems happened, 1 will be returned.<\/p>\n<h2>SEE ALSO <a name=\"SEE ALSO\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\"><b>mkfs.btrfs<\/b>(8)<\/p>\n<hr>\n","protected":false},"excerpt":{"rendered":"<p>  btrfs-map-logical \u2212 map btrfs logical extent to physical extent <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[5,52,892,4],"class_list":["post-3793","post","type-post","status-publish","format-standard","hentry","category-8-administracion-del-sistema","tag-5","tag-administracion","tag-btrfs-map-logical","tag-man8"],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/3793","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/comments?post=3793"}],"version-history":[{"count":0,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/3793\/revisions"}],"wp:attachment":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/media?parent=3793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/categories?post=3793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/tags?post=3793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}