{"id":4833,"date":"2013-12-08T05:54:50","date_gmt":"2013-12-07T20:54:50","guid":{"rendered":"http:\/\/mimumimu.net\/blog\/?p=4833"},"modified":"2013-12-08T06:01:44","modified_gmt":"2013-12-07T21:01:44","slug":"linux-%e3%81%a7-trim-%e3%82%92%e8%a1%8c%e3%81%86","status":"publish","type":"post","link":"https:\/\/mimumimu.net\/blog\/2013\/12\/08\/linux-%e3%81%a7-trim-%e3%82%92%e8%a1%8c%e3%81%86\/","title":{"rendered":"Linux \u3067 trim \u3092\u884c\u3046"},"content":{"rendered":"

\u307f\u3080\u3089\u3067\u3059\u3002\u30e1\u30e2\u304c\u3066\u3089\u3002<\/p>\n

ext4 \u3060\u3068 trim \u3092\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3001
\u30de\u30a6\u30f3\u30c8\u6642\u306b \u201cdiscard\u201d \u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u30de\u30a6\u30f3\u30c8\u3059\u308c\u3070\u304a\u3063\u3051\u30fc\u3002<\/p>\n

mount \u30b3\u30de\u30f3\u30c9\u306e\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306a\u611f\u3058\u306b<\/p>\n

\n
mount \u2013o discard \/dev\/sdb1 \/mnt\/hogeo<\/pre>\n<\/div>\n
fstab \u306e\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306a\u611f\u3058\u306b<\/p>\n
\n
\/dev\/sda2     \/     ext4     noatime,discard     0     1<\/pre>\n<\/div>\n
 <\/p>\n
\u4efb\u610f\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u3067 trim \u3092\u639b\u3051\u305f\u3044\u5834\u5408\u306f
\n  
( Windows \u306e\u30c7\u30d5\u30e9\u30b0\u30c4\u30fc\u30eb\u3067  defrag C: \/L  \u3092\u5b9f\u884c\u3059\u308b\u3088\u3046\u306a\u3053\u3068\u3092\u3057\u305f\u3044\u5834\u5408 )<\/p>\n
fstrim  \u30b3\u30de\u30f3\u30c9\u3092\u7528\u3044\u308b\u3002<\/p>\n
\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306f\u3053\u306e\u3078\u3093\u306b\u3070\u3063\u3061\u308a\u3068
\n  
Man online – fstrim (8)<\/a><\/p>\n
\u4f7f\u3044\u65b9\u3068\u3057\u3066\u306f\u3001<\/p>\n
\n
fstrim (\u30de\u30a6\u30f3\u30c8\u5834\u6240) <\/pre>\n<\/div>\n
\u3068\u306a\u308b\u306e\u3067\u3001<\/p>\n
\n
fstrim \/boot\nfstrim \/<\/pre>\n<\/div>\n
\u3068\u3059\u308b\u3068\u3001\u4e00\u901a\u308a trim \u3092\u639b\u3051\u308b\u3053\u3068\u304c\u51fa\u6765\u308b\u3063\u307d\u3044\u3002<\/p>\n
\n
\u4f59\u8ac7\u3067\u3059\u304c\u3001<\/p>\n
 Hyper-V \u306e\u4eee\u60f3\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306b\u5bfe\u3057\u3066\u3082
\n  
\u3053\u306e\u30b3\u30de\u30f3\u30c9\u3067 trim (\u5b9f\u969b\u306b\u9001\u4fe1\u3055\u308c\u308b\u306e\u306f unmap) \u3092\u9001\u3063\u3066\u3001<\/p>\n
\u30c7\u30a3\u30b9\u30af\u306e\u6700\u9069\u5316\u3092\u884c\u3046\u3068\u3001\u3061\u3083\u3093\u3068 vhd \/ vhdx \u30b5\u30a4\u30ba\u304c\u7e2e\u307e\u308a\u307e\u3059\u3002<\/p>\n
( Win8.1 \u642d\u8f09\u306e Hyper-V \u3067\u78ba\u8a8d )<\/p>\n","protected":false},"excerpt":{"rendered":"
\u307f\u3080\u3089\u3067\u3059\u3002\u30e1\u30e2\u304c\u3066\u3089\u3002 ext4 \u3060\u3068 trim \u3092\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u3088\u3046\u3067\u3001 \u30de\u30a6\u30f3\u30c8\u6642\u306b \u201cdiscard\u201d \u3092\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u3057\u3066\u6307\u5b9a\u3057\u3066\u30de\u30a6\u30f3\u30c8\u3059\u308c\u3070\u304a\u3063\u3051\u30fc\u3002 mount \u30b3\u30de\u30f3\u30c9\u306e\u5834\u5408\u306f\u6b21\u306e\u3088\u3046\u306a\u611f […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[450,470],"class_list":["post-4833","post","type-post","status-publish","format-standard","hentry","category-unix-linux","tag-linux","tag-trim"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t