{"id":3220,"date":"2025-01-06T09:16:17","date_gmt":"2025-01-06T00:16:17","guid":{"rendered":"http:\/\/daimaru-tech-blog.com\/?p=3220"},"modified":"2025-07-05T11:59:16","modified_gmt":"2025-07-05T02:59:16","slug":"%e3%80%90lpic%e3%83%bblinux%e3%80%91hdd%e3%81%ae%e7%8a%b6%e6%b3%81%e3%82%92%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b%e3%81%9f%e3%82%81%e3%81%aehdparm%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89","status":"publish","type":"post","link":"https:\/\/daimaru-tech-blog.com\/?p=3220","title":{"rendered":"\u3010LPIC\u30fbLinux\u3011HDD\u306e\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306ehdparm\u30b3\u30de\u30f3\u30c9"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u3053\u3093\u306b\u3061\u306f\u3002<strong><span class=\"swl-inline-color has-swl-deep-02-color\"><span class=\"swl-marker mark_blue\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u300c\u3060\u3044\u307e\u308b\u300d<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u6700\u8fd1\u306f<strong>LPIC Level2\u306e\u8cc7\u683c\u53d6\u5f97\u306b\u5411\u3051\u3001\u65e5\u3005\u52c9\u5f37\u3057\u3066\u3044\u308b\u6bce\u65e5<\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3093\u306a\u4eca\u56de\u306f<strong>\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u306e\u4e00\u74b0\u3068\u3057\u3066\u300chdparm\u300d\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u305f\u3044<\/strong>\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<center><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2776062481390161\"\n     crossorigin=\"anonymous\"><\/script>\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-format=\"autorelaxed\"\n     data-ad-client=\"ca-pub-2776062481390161\"\n     data-ad-slot=\"3964253637\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/center>\n\n\n\n<h2 class=\"wp-block-heading\">hdparm\u30b3\u30de\u30f3\u30c9\u3068\u306f\uff1f<\/h2>\n\n\n\n<p><strong>hdparm\u30b3\u30de\u30f3\u30c9<\/strong>\u3068\u306f\u3001\u300c<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306b\u95a2\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u53d6\u5f97\u3084\u8a2d\u5b9a\u5909\u66f4\u3092\u884c\u3046\u30b3\u30de\u30f3\u30c9<\/span><\/strong>\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u500b\u4eba\u7684\u306b\u306f\u307b\u3068\u3093\u3069\u4f7f\u3063\u305f\u3053\u3068\u304c\u306a\u3044\u30b3\u30de\u30f3\u30c9\u306b\u306a\u308b\u306e\u3067\u3001\u3069\u306e\u3088\u3046\u306a\u72b6\u6cc1\u3067\u4f7f\u3046\u306e\u304b\uff1f\u304c\u6c17\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u306e\u66f8\u5f0f\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>hdparm &#91;\u30aa\u30d7\u30b7\u30e7\u30f3] \uff08\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u30c7\u30d0\u30a4\u30b9\u91ce\u6307\u5b9a\uff09<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-swl-pale-04-background-color has-background has-fixed-layout\"><tbody><tr><td data-has-cell-bg=\"1\" data-text-color=\"white\"><span style=\"--the-cell-bg: #0000ff\" data-text-color=\"white\" aria-hidden=\"true\" class=\"swl-cell-bg\">&nbsp;<\/span><strong><span class=\"swl-inline-color has-white-color\">\u30aa\u30d7\u30b7\u30e7\u30f3<\/span><\/strong><\/td><td data-has-cell-bg=\"1\" data-text-color=\"white\"><span style=\"--the-cell-bg: #0000ff\" data-text-color=\"white\" aria-hidden=\"true\" class=\"swl-cell-bg\">&nbsp;<\/span><strong><span class=\"swl-inline-color has-white-color\">\u8a73\u7d30<\/span><\/strong><\/td><\/tr><tr><td>-i<\/td><td>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u8a73\u7d30\u60c5\u5831\u3092\u53d6\u5f97<\/td><\/tr><tr><td>-I<\/td><td>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304b\u3089\u76f4\u63a5\u8a73\u7d30\u60c5\u5831\u3092\u53d6\u5f97<\/td><\/tr><tr><td>-c[0|1]<\/td><td>32bit I\/O\u306eOFF\uff080\uff09\/ ON\uff081\uff09<\/td><\/tr><tr><td>-d[0|1]<\/td><td>DMA\u30e2\u30fc\u30c9\u306eOFF\uff080\uff09\/ ON\uff081\uff09<\/td><\/tr><tr><td>-t<\/td><td>Buffer Cache\u30aa\u30d5\u3067\u51e6\u7406\u901f\u5ea6\u3092\u6e2c\u5b9a<\/td><\/tr><tr><td>-T<\/td><td>Buffer Cache\u306e\u307f\u3067\u51e6\u7406\u901f\u5ea6\u3092\u6e2c\u5b9a<\/td><\/tr><tr><td>-w[0|1]<\/td><td>\u30e9\u30a4\u30c8\u30ad\u30e3\u30c3\u30b7\u30e5\u306eOFF\uff080\uff09\/ ON\uff081\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u306e\u66f8\u5f0f\u3092\u7406\u89e3\u3057\u305f\u3068\u3053\u308d\u3067\u5b9f\u6a5f\u3067\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">hdparm\u30b3\u30de\u30f3\u30c9\u304c\u306a\u3044\u3068\u8a00\u308f\u308c\u305f\u5834\u5408\u306f\uff1f<\/h3>\n\n\n\n<p>\u4eca\u56de\u306e\u5b9f\u6a5f\u3067\u306e\u78ba\u8a8d\u306f<strong>Debian OS<\/strong>\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u300c<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">apt install hdparm<\/span><\/strong>\u300d\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306eOS\u306e\u5834\u5408\u3001<strong>\u300cyum\u300d\u306a\u3069\u4ed6\u306e\u30b3\u30de\u30f3\u30c9\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5834\u5408\u3082\u3042\u308b<\/strong>\u305f\u3081\u3001\u5404\u81ea\u306eOS\u306b\u9069\u3057\u305f\u65b9\u6cd5\u3067\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<center><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZHIGI+AXJJN6+4H9U+C2O5D\" target=\"_blank\" rel=\"nofollow noopener\">\n<img decoding=\"async\" border=\"0\" width=\"300\" height=\"250\" alt=\"\" src=\"https:\/\/www27.a8.net\/svt\/bgt?aid=241002162661&#038;wid=001&#038;eno=01&#038;mid=s00000020901002028000&#038;mc=1\"><\/a>\n<img decoding=\"async\" border=\"0\" width=\"1\" height=\"1\" src=\"https:\/\/www16.a8.net\/0.gif?a8mat=3ZHIGI+AXJJN6+4H9U+C2O5D\" alt=\"\"><\/center>\n\n\n\n<div class=\"swell-block-button red_ is-style-btn_shiny\" data-id=\"de02f19a\"><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZHIGI+AXJJN6+4H9U+C2O5D\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u9ad8\u3044\u5149\u71b1\u8cbb\u3092\u898b\u76f4\u305d\u3046\uff01<\/span><\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u30de\u30a6\u30f3\u30c8\u3057\u305f\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u3092\u78ba\u8a8d\u3057\u3066\u307f\u3088\u3046<\/h3>\n\n\n\n<p>\u30aa\u30d7\u30b7\u30e7\u30f3\u8868\u306e\u300c-i\u300d\u3092\u5229\u7528\u3057\u3001\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u60c5\u5831\u3092\u51fa\u529b\u3057\u3066\u307f\u3088\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>daimaru@raspi-test:~ $ <span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -i \/mnt\/hdd1<\/span>\n\n\/mnt\/hdd1:\n <span style=\"color:#ff00ff\" class=\"swl-inline-color\">HDIO_GET_IDENTITY failed: Inappropriate ioctl for device<\/span><\/code><\/pre>\n\n\n\n<p><strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">\u30b3\u30de\u30f3\u30c9\u3092\u53e9\u3044\u305f\u3089\u30a8\u30e9\u30fc\u304c\u51fa\u529b<\/span><\/strong>\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u306f\u306a\u305c\u8d77\u3053\u308b\u306e\u304b\uff1f<\/p>\n\n\n\n<p>\u7406\u7531\u306f\u300c<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">hdparm\u306fSATA\/SCSI\u306b\u95a2\u3059\u308b\u8a2d\u5b9a\u3084\u72b6\u614b\u78ba\u8a8d\u3092\u884c\u3046\u30b3\u30de\u30f3\u30c9\u3067\u306f\u306a\u3044\u305f\u3081<\/span><\/strong>\u300d\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u4eca\u56de\u3001raspi-test\u306b\u63a5\u7d9a\u3057\u305f\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306f\u300c<strong><a href=\"https:\/\/amzn.to\/4g5Vnic\" target=\"_blank\" rel=\"noreferrer noopener\">TOSHIBA MQ01ABD100<\/a><\/strong>\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306f\u300c<strong>SATA\u5f62\u5f0f<\/strong>\u300d\u306e\u305f\u3081\u3001<strong>\u30a8\u30e9\u30fc\u304c\u51fa\u529b<\/strong>\u3055\u308c\u305f\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>SATA\u5f62\u5f0f\u306e\u78ba\u8a8d\u306b\u306f\u300csdparm\u300d\u3068\u3044\u3046\u30b3\u30de\u30f3\u30c9\u306b\u306a\u308b\u3088\u3046\u3067\u3059\u3002\uff08\u5f8c\u65e5\u52c9\u5f37\u3057\u3066\u8a18\u4e8b\u4f5c\u6210\uff09<\/p>\n\n\n\n<center><a href=\"https:\/\/h.accesstrade.net\/sp\/cc?rk=0100n9j800nrrf\" target=\"_blank\" rel=\"nofollow noopener\" referrerpolicy=\"no-referrer-when-downgrade\"><img decoding=\"async\" src=\"https:\/\/h.accesstrade.net\/sp\/rr?rk=0100n9j800nrrf\" alt=\"\u30d7\u30ed\u30b0\u30ea\u30c3\u30c8\uff08PROGRIT\uff09\" border=\"0\" \/><\/a><\/center>\n\n\n\n<div class=\"swell-block-button blue_ is-style-btn_solid\" data-id=\"1f47d73b\"><a href=\"https:\/\/h.accesstrade.net\/sp\/cc?rk=0100n9j800nrrf\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u82f1\u8a9e\u3092\u52c9\u5f37\u3059\u308b\u306a\u3089PROGRIT<\/span><\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u76f4\u63a5\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304b\u3089\u8a73\u7d30\u60c5\u5831\u3092\u51fa\u529b\u3059\u308b\u300c-I\u300d<\/h3>\n\n\n\n<p>\u76f4\u63a5\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304b\u3089\u8a73\u7d30\u60c5\u5831\u3092\u51fa\u529b\u3059\u308b\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u3042\u308c\u3070\u3001\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>daimaru@raspi-test:~ $ <span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -I \/dev\/sda1<\/span>\n\n<span style=\"color:#ffff00\" class=\"swl-inline-color\">\/dev\/sda1:<\/span>\n\nATA device, with non-removable media\n\t<span style=\"color:#ffff00\" class=\"swl-inline-color\">Model Number:       TOSHIBA MQ01ABD100<\/span>\n\tSerial Number:      XXXXXXXXX\n\tFirmware Revision:  AX1A1U\n\tTransport:          Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6\nStandards:\n\tSupported: 8 7 6 5\n\tLikely used: 8\nConfiguration:\n\tLogical\t\tmax\tcurrent\n\tcylinders\t16383\t16383\n\theads\t\t16\t16\n\tsectors\/track\t63\t63\n\t--\n\tCHS current addressable sectors:    16514064\n\tLBA    user addressable sectors:   268435455\n\tLBA48  user addressable sectors:  1953525168\n\tLogical  Sector size:                   512 bytes\n\tPhysical Sector size:                  4096 bytes\n\tLogical Sector-0 offset:                  0 bytes\n\tdevice size with M = 1024*1024:      953869 MBytes\n\tdevice size with M = 1000*1000:     1000204 MBytes (1000 GB)\n\tcache\/buffer size  = 8192 KBytes\n\tForm Factor: 2.5 inch\n\tNominal Media Rotation Rate: 5400\nCapabilities:\n\tLBA, IORDY(can be disabled)\n\tQueue depth: 32\n\tStandby timer values: spec'd by Standard, no device specific minimum\n\tR\/W multiple sector transfer: Max = 16\tCurrent = 16\n\t<strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">Advanced power management level: 254<\/span>\n<\/strong>\t<strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">DMA: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5\n\t     Cycle time: min=120ns recommended=120ns\n\tPIO: pio0 pio1 pio2 pio3 pio4\n\t     Cycle time: no flow control=120ns  IORDY flow control=120ns<\/span><\/strong>\nCommands\/features:\n\tEnabled\tSupported:\n\t    \tSMART feature set\n\t    \tSecurity Mode feature set\n\t   *\tPower Management feature set\n\t   <strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">*\tWrite cache<\/span><\/strong>\n\t   *\tLook-ahead\n\t   *\tHost Protected Area feature set\n\t   *\tWRITE_BUFFER command\n\t   *\tREAD_BUFFER command\n\t   *\tNOP cmd\n\t   *\tDOWNLOAD_MICROCODE\n\t   <strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">*\tAdvanced Power Management feature set<\/span><\/strong>\n\t    \tSET_MAX security extension\n\t   *\t48-bit Address feature set\n\t   *\tDevice Configuration Overlay feature set\n\t   *\tMandatory FLUSH_CACHE\n\t   *\tFLUSH_CACHE_EXT\n\t   *\tSMART error logging\n\t   *\tSMART self-test\n\t   *\tGeneral Purpose Logging feature set\n\t   *\tWRITE_{DMA|MULTIPLE}_FUA_EXT\n\t   *\t64-bit World wide name\n\t   *\tIDLE_IMMEDIATE with UNLOAD\n\t   *\tWRITE_UNCORRECTABLE_EXT command\n\t   *\t{READ,WRITE}_DMA_EXT_GPL commands\n\t   *\tSegmented DOWNLOAD_MICROCODE\n\t   *\tGen1 signaling speed (1.5Gb\/s)\n\t   *\tGen2 signaling speed (3.0Gb\/s)\n\t   *\tNative Command Queueing (NCQ)\n\t   *\tHost-initiated interface power management\n\t   *\tPhy event counters\n\t   *\tIdle-Unload when NCQ is active\n\t   *\tDMA Setup Auto-Activate optimization\n\t    \tDevice-initiated interface power management\n\t   *\tSoftware settings preservation\n\t   *\tSMART Command Transport (SCT) feature set\n\t   *\tSCT Write Same (AC2)\n\t   *\tSCT Error Recovery Control (AC3)\n\t   *\tSCT Features Control (AC4)\n\t   *\tSCT Data Tables (AC5)\nSecurity:\n\tMaster password revision code = 65534\n\t\tsupported\n\tnot\tenabled\n\tnot\tlocked\n\tnot\tfrozen\n\tnot\texpired: security count\n\t\tsupported: enhanced erase\n\t224min for SECURITY ERASE UNIT. 224min for ENHANCED SECURITY ERASE UNIT.\nLogical Unit WWN Device Identifier: 5000039731d84c89\n\tNAA\t\t: 5\n\tIEEE OUI\t: 000039\n\tUnique ID\t: XXXXX\nChecksum: correct<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u7d50\u679c\u306e\u901a\u308a\u3001DMA\u3084Write Cache\u3001PIO\u7b49\u306e\u72b6\u614b\u3084\u7a3c\u50cd\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<center><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZFTEX+FD3PRM+D8Y+6L9O1\" target=\"_blank\" rel=\"nofollow noopener\">\n<img decoding=\"async\" border=\"0\" width=\"728\" height=\"90\" alt=\"\" src=\"https:\/\/www28.a8.net\/svt\/bgt?aid=240923049929&#038;wid=001&#038;eno=01&#038;mid=s00000001717001107000&#038;mc=1\"><\/a>\n<img decoding=\"async\" border=\"0\" width=\"1\" height=\"1\" src=\"https:\/\/www12.a8.net\/0.gif?a8mat=3ZFTEX+FD3PRM+D8Y+6L9O1\" alt=\"\"><\/center>\n\n\n\n<div class=\"swell-block-button red_ is-style-btn_solid\" data-id=\"49d565f0\"><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZFTEX+FD3PRM+D8Y+6L9O1\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u30ec\u30f3\u30bf\u30eb\u30b5\u30fc\u30d0\u306f\u300cSAKURA\u300d\u3067\u59cb\u3081\u3088\u3046<\/span><\/a><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u8a66\u3057\u306b\u51e6\u7406\u901f\u5ea6\u3092\u5b9f\u6e2c\u3057\u3066\u307f\u3088\u3046<\/h3>\n\n\n\n<p>\u8a73\u7d30\u306a\u72b6\u614b\u3092\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304b\u3089\u76f4\u63a5\u78ba\u8a8d\u3067\u304d\u305f\u306e\u3067\u3001\u6b21\u306f<strong>\u300c\u8aad\u307f\u8fbc\u307f\/\u51e6\u7406\u901f\u5ea6\u300d\u3092\u78ba\u8a8d<\/strong>\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u51e6\u7406\u901f\u5ea6\u306e\u78ba\u8a8d\u306b\u306f\u3001\u300c<strong>Buffer Cache\u3092\u542b\u307e\u306a\u3044\u51e6\u7406\u901f\u5ea6\u306e\u6e2c\u5b9a\u3092\u884c\u3046 -t \u30aa\u30d7\u30b7\u30e7\u30f3<\/strong>\u300d\u3068\u300c<strong>Buffer Cache\u306e\u307f\u306e\u51e6\u7406\u901f\u5ea6\u3092\u884c\u3046 -T \u30aa\u30d7\u30b7\u30e7\u30f3<\/strong>\u300d\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#008000\" class=\"swl-inline-color\">Buffer Cache\u3068\u306f\u300c\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8aad\u307f\u8fbc\u3080\u969b\u306b\u5229\u7528\u3055\u308c\u308bCache\u3067\u3042\u308a\u3001\u30d6\u30ed\u30c3\u30af\u5358\u4f4d\u3067\u51e6\u7406\u3059\u308bCache\u300d<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>daimaru@raspi-test:~ $ <span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -t \/dev\/sda1<\/span>\n\n\/dev\/sda1:\n Timing buffered disk reads:  <strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">84 MB in  3.01 seconds =  27.87 MB\/sec<\/span><\/strong>\n\ndaimaru@raspi-test:~ $ <span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -T \/dev\/sda1<\/span>\n\n\/dev\/sda1:\n Timing cached reads:   <strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">1444 MB in  2.00 seconds = 722.08 MB\/sec<\/span><\/strong><\/code><\/pre>\n\n\n\n<p>\u51fa\u529b\u7d50\u679c\u304b\u3089\u3082\u5206\u304b\u308b\u901a\u308a\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">Buffer Cache\u6709\u7121\u306e\u9055\u3044\u3067\u3053\u3053\u307e\u3067\u901f\u5ea6\u306e\u9055\u3044<\/span><\/strong>\u304c\u51fa\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u3092\u898b\u308b\u3068<strong>Cache\u306e\u5b58\u5728\u304c\u3069\u308c\u3060\u3051\u3042\u308a\u304c\u305f\u3044\u304b<\/strong>\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<center><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZFTEX+FCIA5U+1JUK+15QP81\" target=\"_blank\" rel=\"nofollow noopener\">\n<img decoding=\"async\" border=\"0\" width=\"300\" height=\"250\" alt=\"\" src=\"https:\/\/www29.a8.net\/svt\/bgt?aid=240923049928&#038;wid=001&#038;eno=01&#038;mid=s00000007238007011000&#038;mc=1\"><\/a>\n<img decoding=\"async\" border=\"0\" width=\"1\" height=\"1\" src=\"https:\/\/www11.a8.net\/0.gif?a8mat=3ZFTEX+FCIA5U+1JUK+15QP81\" alt=\"\"><\/center>\n\n\n\n<div class=\"swell-block-button red_ is-style-btn_solid\" data-id=\"99db5021\"><a href=\"https:\/\/px.a8.net\/svt\/ejp?a8mat=3ZFTEX+FCIA5U+1JUK+15QP81\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>\u30d6\u30ed\u30b0\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u306b\uff01<\/span><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">DMA\/PIO\u30e2\u30fc\u30c9\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u7d39\u4ecb\u3092\u3057\u305f\u969b\u306b\u51fa\u3066\u304d\u305f\u300cDMA\u30e2\u30fc\u30c9\u300d\u3068\u300cPIO\u30e2\u30fc\u30c9\u300d\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">DMA\u30e2\u30fc\u30c9\u3068\u306f\uff1f<\/h3>\n\n\n\n<p><strong>DMA\u30e2\u30fc\u30c9<\/strong>\u3068\u306f\u300c<strong>Direct Memory Access<\/strong>\u300d\u306e\u7565\u79f0\u3067\u3042\u308a\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">CPU\u3092\u4ecb\u3055\u305a\u306b\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u884c\u3046\u30e2\u30fc\u30c9<\/span><\/strong>\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span style=\"color:#008000\" class=\"swl-inline-color\">\u73fe\u5728\u306eHDD\/SSD\u3067\u306f\u3001\u3053\u306e\u30e2\u30fc\u30c9\u304c\u4e00\u822c\u7684\u306b\u5229\u7528\u3055\u308c\u3066\u3044\u308b\u307f\u305f\u3044<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>CPU\u3092\u4ecb\u3055\u306a\u3044\u305f\u3081\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">CPU\u8ca0\u8377\u306e\u8efd\u6e1b\u3084\u8ee2\u9001\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u30e1\u30ea\u30c3\u30c8<\/span><\/strong>\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PIO\u30e2\u30fc\u30c9\u3068\u306f\uff1f<\/h3>\n\n\n\n<p>\u4e00\u65b9\u3001<strong>PIO\u30e2\u30fc\u30c9<\/strong>\u306f\u300c<strong>Programmed Input\/Output<\/strong>\u300d\u306e\u7565\u79f0\u3067\u3042\u308a\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">CPU\u3092\u4ecb\u3057\u30e1\u30e2\u30ea\u3084\u5404\u30c7\u30d0\u30a4\u30b9\u3068\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u884c\u3046\u30e2\u30fc\u30c9<\/span><\/strong>\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>DMA\u30e2\u30fc\u30c9\u3068\u7570\u306a\u308a\u3001<strong><span style=\"color:#ff0000\" class=\"swl-inline-color\">CPU\u3092\u4ecb\u3059\u308b\u305f\u3081\u3001CPU\u8ca0\u8377\u306e\u5897\u52a0\u3084\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u901f\u5ea6\u304c\u4f4e\u4e0b<\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30e2\u30fc\u30c9\u81ea\u4f53\u306f\u3001<strong><span style=\"color:#008000\" class=\"swl-inline-color\">\u6614\u306e\u898f\u683c\u306b\u5408\u308f\u305b\u305f\u3082\u306e\u3089\u3057\u304f\u3001\u73fe\u5728\u306f\u307b\u3068\u3093\u3069\u5229\u7528\u3055\u308c\u3066\u3044\u306a\u3044\u3089\u3057\u3044<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<center><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-2776062481390161\"\n     crossorigin=\"anonymous\"><\/script>\n<!-- \u30ec\u30b9\u30dd\u30f3\u30b7\u30d6 -->\n<ins class=\"adsbygoogle\"\n     style=\"display:block\"\n     data-ad-client=\"ca-pub-2776062481390161\"\n     data-ad-slot=\"2830301217\"\n     data-ad-format=\"auto\"\n     data-full-width-responsive=\"true\"><\/ins>\n<script>\n     (adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/center>\n\n\n\n<h2 class=\"wp-block-heading\">APM\u3068\u306f\uff1f<\/h2>\n\n\n\n<p>\u6700\u5f8c\u306b<strong>\u96fb\u6e90\u7ba1\u7406\u3092\u884c\u3046\u300cAPM\uff08Advanced Power Management\uff09\u300d<\/strong>\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>hdparm\u30b3\u30de\u30f3\u30c9\u3067\u300cAPM\u306e\u8a2d\u5b9a\u300d\u3092\u884c\u3046\u3053\u3068\u304c\u3067\u304d\u3001\u305d\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\u306f\u4ee5\u4e0b\u306e\u8868\u306e\u901a\u308a\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-swl-pale-04-background-color has-background has-fixed-layout\"><tbody><tr><td data-has-cell-bg=\"1\" data-text-color=\"white\"><span style=\"--the-cell-bg: #0000ff\" data-text-color=\"white\" aria-hidden=\"true\" class=\"swl-cell-bg\">&nbsp;<\/span><strong><span class=\"swl-inline-color has-white-color\">\u30aa\u30d7\u30b7\u30e7\u30f3<\/span><\/strong><\/td><td data-has-cell-bg=\"1\" data-text-color=\"white\"><span style=\"--the-cell-bg: #0000ff\" data-text-color=\"white\" aria-hidden=\"true\" class=\"swl-cell-bg\">&nbsp;<\/span><strong><span class=\"swl-inline-color has-white-color\">\u8a73\u7d30<\/span><\/strong><\/td><\/tr><tr><td>-B<\/td><td>APM\u6a5f\u80fd\u30921~255\u306e\u6bb5\u968e\u3067\u8a2d\u5b9a<br>\u30fb255\uff1aAPM OFF<br>\u30fb128\u301c254\uff1a\u30b9\u30d4\u30f3\u30c0\u30a6\u30f3\u306a\u3057<br>\u30fb1\u301c127\uff1a\u30b9\u30d4\u30f3\u30c0\u30a6\u30f3\u3042\u308a<\/td><\/tr><tr><td>-S<\/td><td>\u30b9\u30bf\u30f3\u30d0\u30a4\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u306e\u8a2d\u5b9a<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>APM\u6a5f\u80fd\u306e\u6307\u5b9a\u306b\u3088\u308a\u3001<strong>APM OFF\u3001\u30b9\u30d4\u30f3\u30c0\u30a6\u30f3\u306a\u3057\u3001\u30b9\u30d4\u30f3\u30c0\u30a6\u30f3\u3042\u308a\u306e3\u6bb5\u968e<\/strong>\u306b\u5206\u304b\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3082\u305d\u3082\u306e\u8a71\u3067\u3059\u304c\u3001<strong><span style=\"color:#0000ff\" class=\"swl-inline-color\">\u3053\u306e\u5024\u306e\u5927\u304d\u3055\u304c\u6d88\u8cbb\u96fb\u529b\u306b\u6bd4\u4f8b\u3059\u308b\u3068\u8003\u3048\u3066\u3044\u305f\u3060\u3051\u308c\u3070\u5927\u4e08\u592b<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001<strong><span style=\"color:#008000\" class=\"swl-inline-color\">\u30b9\u30d4\u30f3\u30c0\u30a6\u30f3\u3068\u306f\u300c\u30c7\u30a3\u30b9\u30af\u306e\u6d88\u8cbb\u96fb\u529b\u3092\u6e1b\u3089\u3057\u3001\u56de\u8ee2\u901f\u5ea6\u3092\u9045\u304f\u3059\u308b\u3053\u3068\u3067\u97f3\u3092\u5c0f\u3055\u304f\u3059\u308b\u52d5\u4f5c\u300d<\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u52d5\u4f5c\u306b\u3088\u308a\u3001<strong>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u5bff\u547d\u304c\u4f38\u3073\u307e\u3059\u304c\u3001\u51e6\u7406\u901f\u5ea6\u304c\u9045\u304f\u306a\u308b\u30c7\u30e1\u30ea\u30c3\u30c8<\/strong>\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5148\u307b\u3069\u306e\u300c-I\u300d\u306e\u51fa\u529b\u3067\u306f\u3001\u30ec\u30d9\u30eb\u304c254\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>Capabilities:\n\tLBA, IORDY(can be disabled)\n\tQueue depth: 32\n\tStandby timer values: spec'd by Standard, no device specific minimum\n\tR\/W multiple sector transfer: Max = 16\tCurrent = 16\n\t<strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">Advanced power management level: 254<\/span>\n<\/strong>\t<strong><span style=\"color:#ffff00\" class=\"swl-inline-color\">DMA: sdma0 sdma1 sdma2 mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 *udma5\n\t     Cycle time: min=120ns recommended=120ns\n\tPIO: pio0 pio1 pio2 pio3 pio4\n\t     Cycle time: no flow control=120ns  IORDY flow control=120ns<\/span><\/strong><\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u30ec\u30d9\u30eb\u5024\u3092100\u306b\u5909\u66f4\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>daimaru@raspi-test:~ $ <strong><span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -B 100  \/dev\/sda1<\/span><\/strong>\n\n\/dev\/sda1:\n <span style=\"color:#ffff00\" class=\"swl-inline-color\">setting Advanced Power Management level to 0x64 (100)<\/span>\nSG_IO: bad\/missing sense data, sb&#91;]:  70 00 01 00 00 00 00 0a 00 00 00 00 00 1d 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00\n<span style=\"color:#ffff00\" class=\"swl-inline-color\"> APM_level\t= 100<\/span><\/code><\/pre>\n\n\n\n<p>\u30b3\u30de\u30f3\u30c9\u3092\u5165\u529b\u3057\u305f\u6bb5\u968e\u3067\u5909\u66f4\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u306f\u3001\u51e6\u7406\u901f\u5ea6\u306e\u5b9f\u6e2c\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code has-black-background-color has-background\"><code>daimaru@raspi-test:~ $ <span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -t \/dev\/sda1<\/span>\n\n\/dev\/sda1:\n <span style=\"color:#ffff00\" class=\"swl-inline-color\">Timing buffered disk reads:   2 MB in  3.33 seconds = 614.46 kB\/sec<\/span>\ndaimaru@raspi-test:~ $ <span style=\"color:#00ff00\" class=\"swl-inline-color\">sudo hdparm -T \/dev\/sda1<\/span>\n\n\/dev\/sda1:\n<span style=\"color:#ffff00\" class=\"swl-inline-color\"> Timing cached reads:   1406 MB in  2.00 seconds = 702.74 MB\/sec<\/span><\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306e\u7d50\u679c\u304b\u3089\u3001Buffer Cache\u304c\u3042\u308b\u5834\u5408\u306f\u307b\u3068\u3093\u3069\u5909\u5316\u304c\u306a\u3044\u3067\u3059\u304c\u3001Buffer Cache\u304c\u306a\u3044\u5834\u5408\u306f\u304b\u306a\u308a\u51e6\u7406\u901f\u5ea6\u304c\u5909\u308f\u3063\u3066\u304f\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306e\u8a2d\u5b9a\u7ba1\u7406\u306f\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306b\u306a\u308b\u3053\u3068\u304c\u3088\u304f\u308f\u304b\u308a\u307e\u3059\u306d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized is-style-border\"><a href=\"https:\/\/amzn.to\/4ihmkkT\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"1024\" height=\"512\" src=\"http:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/12\/LPIC_Level2_ads-1024x512.png\" alt=\"\" class=\"wp-image-3227\" style=\"width:780px;height:auto\" srcset=\"https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/12\/LPIC_Level2_ads-1024x512.png 1024w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/12\/LPIC_Level2_ads-300x150.png 300w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/12\/LPIC_Level2_ads-768x384.png 768w, https:\/\/daimaru-tech-blog.com\/wp-content\/uploads\/2024\/12\/LPIC_Level2_ads.png 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<div class=\"swell-block-button green_ is-style-btn_solid\" data-id=\"db1f2c52\"><a href=\"https:\/\/amzn.to\/4ihmkkT\" target=\"_blank\" rel=\"noopener noreferrer\" class=\"swell-block-button__link\"><span>Amazon\u3067\u898b\u308b<\/span><\/a><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5f8c\u306b<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001LPIC Level2\u306e\u305f\u3081\u306b\u5c11\u3057\u6df1\u304f\u52c9\u5f37\u3057\u3066\u3044\u308b\u3046\u3061\u306e\uff11\u3064\u300chdparm\u30b3\u30de\u30f3\u30c9\u300d\u306b\u3064\u3044\u3066\u307e\u3068\u3081\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6b21\u56de\u4ee5\u964d\u3082LPIC Level2\u306e\u7528\u8a9e\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u308b\u4e88\u5b9a\u3067\u3059\u3002<\/p>\n\n\n<div class=\"p-postListWrap\"><p>\u8a18\u4e8b\u304c\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u300c\u3060\u3044\u307e\u308b\u300d\u3067\u3059\u3002 \u6700\u8fd1\u306fLPIC Level2\u306e\u8cc7\u683c\u53d6\u5f97\u306b\u5411\u3051\u3001\u65e5\u3005\u52c9\u5f37\u3057\u3066\u3044\u308b\u6bce\u65e5\u306b\u306a\u308a\u307e\u3059\u3002 \u305d\u3093\u306a\u4eca\u56de\u306f\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u306e\u4e00\u74b0\u3068\u3057\u3066\u300chdparm\u300d\u306b\u3064\u3044\u3066\u3001\u307e\u3068\u3081\u305f\u3044\u3068 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3228,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"{\"de02f19a\":{\"pv\":1821,\"imp\":1411},\"49d565f0\":{\"pv\":1821,\"imp\":877,\"click\":1},\"db1f2c52\":{\"pv\":1821,\"imp\":418},\"1f47d73b\":{\"pv\":1803,\"imp\":1305},\"99db5021\":{\"pv\":1803,\"imp\":683}}","footnotes":""},"categories":[611,609],"tags":[540,538,541,537,535,440,441,542,543,544,536,539],"class_list":["post-3220","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-609","tag-apm","tag-buffer-cache","tag-dma","tag-hdio_get_identity","tag-hdparm","tag-lpic","tag-lpic-level2","tag-pio","tag-543","tag-544","tag-536","tag-539"],"_links":{"self":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/3220","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3220"}],"version-history":[{"count":6,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/3220\/revisions"}],"predecessor-version":[{"id":3279,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/posts\/3220\/revisions\/3279"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=\/wp\/v2\/media\/3228"}],"wp:attachment":[{"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3220"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3220"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/daimaru-tech-blog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3220"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}