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<h1 id="note-raid-utils">note #raid #utils</h1>
<p>Все действия выполняются на ОС Proxmox 8.4 (Debian). Рейд контроллер P440ar на сервере HP Dl 360 G9<br />
Для установки утилиты требуется ее скачать или закинуть из файлопомойки на сервер<br />
Скачиваем утилиту <br />
<div class="highlight"><pre><span></span><code>wget https://downloads.linux.hpe.com/sdr/repo/mcp/pool/non-free/hpssacli-2.40-13.0_amd64.deb
</code></pre></div></p>
<p>Устанавливаем пакет<br />
<div class="highlight"><pre><span></span><code>dpkg -i hpssacli-2.40-13.0_amd64.deb
</code></pre></div><br />
Далее мы можем использовать команды:</p>
<p>Посмотреть статус контроллера<br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl all show status
</code></pre></div><br />
Статус покажет текущее состояние контроллера и его слот<br />
Далее мы будем использовать параметр слота в качестве указателя для дальнейших команд<br />
Посмотреть физические диски<br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl slot=0 pd all show status
</code></pre></div><br />
Посмотрев диски можно узнать их расположение в сервере вида <br />
<div class="highlight"><pre><span></span><code>physicaldrive 1I:1:1 (port 1I:box 1:bay 1, 300 GB): OK
</code></pre></div><br />
Указывается что это физический диск находящийся в порте 1i в боксе 1 слоте 1<br />
Эти данные понадобиться нам для дальнейшей настройки</p>
<p>Посмотреть логические диски<br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl slot=0 ld all show status
</code></pre></div></p>
<p>Полная информация по контроллеру<br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl all show detail
</code></pre></div><br />
Собрать рейд <br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl slot=0 create type=ld drives=1I:1:3 raid=0 stripsize=16
</code></pre></div><br />
Указываем контроллер в нужном слоте. Указываем тип логический диск кеазываем через запятую диски в формате порт:бокс:слот. Указываем уровень рейда и размер страйпа.<br />
Страйп это блок данных который записывается за одну итерацию IO. Для больших файлов лучше большой блок, для маленьких маленький.<br />
Размеры страйпов бывают:<br />
8<br />
16<br />
32<br />
64<br />
128<br />
256<br />
512<br />
1024<br />
Лучше всего смотреть в спеках рейд котроллера.<br />
Для удаления рейда<br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl slot=0 logicaldrive 2 delete
</code></pre></div><br />
Так же указываем контроллер, какой логический диск и команду удалить. Если диск используется из ОС, то он не даст его удалить. </p>
<p>Включения кеша контроллера при работе с SSD.<br />
Отключаем функцию SSDSmartPath.<br />
Это функция позволяет увеличить производительность дисков при большом их количестве, так как кеш маленький по размеру. При малом количестве дисков следует включить кеш контроллера для увеличения производительности.<br />
Эти функции надо включить и перевести систему в ХБА режим если мы планируем строить SDS<br />
<div class="highlight"><pre><span></span><code>hpssacli ctrl slot=2 array A modify ssdsmartpath=disable
</code></pre></div><br />
Выбираем слот контроллера и какой массив будем использовать</p>
<div class="highlight"><pre><span></span><code>hpssacli ctrl slot=2 logicaldrive 1 modify arrayaccelerator=enable
</code></pre></div>
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