어떻게 재부팅없이 RHEL4에서 HP Smart Array 디스크를 인식(rescan)시킬 수 있을까?

<span class="Apple-style-span" style="WORD-SPACING: 0px; FONT: medium Gulim; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; orphans: 2; widows: 2; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px"><span class="Apple-style-span" style="FONT-SIZE: 12px; COLOR: rgb(51,51,51); FONT-FAMILY: 'Lucida Grande', Arial, Helvetica, sans-serif; TEXT-ALIGN: left"> <div class="jive-wiki-subject" style="CLEAR: both; PADDING-RIGHT: 0px; OVERFLOW-Y: hidden; PADDING-LEFT: 0px; OVERFLOW-X: hidden; PADDING-BOTTOM: 0px; MARGIN: 0px; WIDTH: 718px; PADDING-TOP: 15px"> <div class="jive-wiki-subject-content" style="CLEAR: both; PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px 15px; PADDING-TOP: 0px"> <div class="jive-wiki-subject-content-title" style="PADDING-RIGHT: 0px; OVERFLOW-Y: hidden; DISPLAY: block; PADDING-LEFT: 0px; FLOAT: left; OVERFLOW-X: hidden; PADDING-BOTTOM: 0px; MARGIN: 0px -130px 0px 0px; WIDTH: 688px; PADDING-TOP: 0px"> <div style="PADDING-RIGHT: 0px; DISPLAY: block; PADDING-LEFT: 0px; FLOAT: left; PADDING-BOTTOM: 0px; MARGIN: 0px 130px 0px 0px; PADDING-TOP: 0px"> <h2 style="PADDING-RIGHT: 0px; BACKGROUND-POSITION: 0px 2px; PADDING-LEFT: 30px; FONT-WEIGHT: normal; FONT-SIZE: 18pt; FLOAT: left; BACKGROUND-IMAGE: url(http://kbase.redhat.com/faq/images/jive-icon-wiki-24x24.gif); PADDING-BOTTOM: 5px; MARGIN: 0px; COLOR: rgb(51,51,51); LINE-HEIGHT: 28px; PADDING-TOP: 0px; BACKGROUND-REPEAT: no-repeat; FONT-FAMILY: Georgia, serif; BACKGROUND-COLOR: transparent; -webkit-background-clip: initial; -webkit-background-origin: initial">How do I rescan an HP Smart Array for new disks without rebooting in Red Hat Enterprise Linux 4?</h2></div></div> <h3 style="PADDING-RIGHT: 0px; PADDING-LEFT: 30px; FONT-WEIGHT: normal; FONT-SIZE: 8pt; FLOAT: left; PADDING-BOTTOM: 15px; MARGIN: 0px; WIDTH: 688px; COLOR: rgb(102,102,102); PADDING-TOP: 0px">Article ID: 7833<span class="Apple-converted-space"> </span><span style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px">-</span><span class="Apple-converted-space"> </span>Created on: Nov 23, 2006 6:00 PM<span class="Apple-converted-space"> </span><span style="PADDING-RIGHT: 5px; PADDING-LEFT: 5px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px">-</span><span class="Apple-converted-space"> </span>Last Modified:  Nov 26, 2006 6:00 PM</h3></div></div> <div class="jive-wiki-body" style="CLEAR: both; PADDING-RIGHT: 15px; DISPLAY: block; PADDING-LEFT: 15px; PADDING-BOTTOM: 15px; MARGIN: 0px; PADDING-TOP: 0px"> <div class="jive-wiki-body-content" style="PADDING-RIGHT: 0px; BACKGROUND-POSITION: 50% 0%; OVERFLOW-Y: hidden; PADDING-LEFT: 0px; BACKGROUND-IMAGE: url(http://kbase.redhat.com/faq/images/jive-div-dotted.gif); OVERFLOW-X: auto; PADDING-BOTTOM: 2px; MARGIN: 0px; WIDTH: 688px; PADDING-TOP: 10px; BACKGROUND-REPEAT: repeat-x; POSITION: relative; BACKGROUND-COLOR: transparent; -webkit-background-clip: initial; -webkit-background-origin: initial"> <div class="jive-rendered-content" style="CLEAR: both; PADDING-RIGHT: 2px; OVERFLOW-Y: visible; PADDING-LEFT: 2px; OVERFLOW-X: visible; PADDING-BOTTOM: 2px; MARGIN: 0px 0px 15px; WIDTH: 681px; PADDING-TOP: 2px; POSITION: relative"> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">HP Smart Array disks는<span class="Apple-converted-space"> </span><span class="jive-noformat-content" style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px; FONT-FAMILY: monospace"><font face="굴림체">cciss</font></span><span class="Apple-converted-space"> </span>driver를 사용합니다.</p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">만약 hot-swap을 지원하는  새로운 디스크가 운영중인 시스템에 추가되는 경우 그 디스크는 scsi bus를 재스캔rescan 하기 전에는 보여지지 않을 것입니다. 이것은 일반적으로 reboot하면 됩니다. 만약 </p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">리부팅이 불가능한 상황이라면, 아래와 같은 명령을 통해 scsi bus를 re scan 할 수 있습니다.</p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">먼저  rescan 은 해당 cciss 드라이버에 주고, SCSI BUS에 변경되는 것에 대한 정보를 줍니다.:</p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; MIN-HEIGHT: 8pt; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px; HEIGHT: 8pt"> </p><pre class="jive-pre" style="BORDER-RIGHT: rgb(238,238,238) 1px solid; PADDING-RIGHT: 10px; BORDER-TOP: rgb(238,238,238) 1px solid; OVERFLOW-Y: auto; DISPLAY: block; PADDING-LEFT: 10px; BACKGROUND-IMAGE: url(http://kbase.redhat.com/faq/images/jive-bg-pre.gif); OVERFLOW-X: auto; PADDING-BOTTOM: 10px; MARGIN: 10px 20px; BORDER-LEFT: rgb(204,204,204) 2px solid; WIDTH: auto; PADDING-TOP: 10px; BORDER-BOTTOM: rgb(238,238,238) 1px solid; BACKGROUND-REPEAT: repeat; WHITE-SPACE: pre; BACKGROUND-COLOR: rgb(255,255,255)"><code class="jive-code" style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px"><p> </p><div class="txc-textbox" style="BORDER-RIGHT: #fedec7 1px solid; PADDING-RIGHT: 10px; BORDER-TOP: #fedec7 1px solid; PADDING-LEFT: 10px; PADDING-BOTTOM: 10px; BORDER-LEFT: #fedec7 1px solid; PADDING-TOP: 10px; BORDER-BOTTOM: #fedec7 1px solid; BACKGROUND-COLOR: #fedec7"><p>echo "rescan" > /proc/driver/cciss/cciss0 </p></div></code></pre> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; MIN-HEIGHT: 8pt; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px; HEIGHT: 8pt"> </p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">그리고 각각의 장치에 아래와 같이 추가합니다.:</p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; MIN-HEIGHT: 8pt; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px; HEIGHT: 8pt"> </p><pre class="jive-pre" style="BORDER-RIGHT: rgb(238,238,238) 1px solid; PADDING-RIGHT: 10px; BORDER-TOP: rgb(238,238,238) 1px solid; OVERFLOW-Y: auto; DISPLAY: block; PADDING-LEFT: 10px; BACKGROUND-IMAGE: url(http://kbase.redhat.com/faq/images/jive-bg-pre.gif); OVERFLOW-X: auto; PADDING-BOTTOM: 10px; MARGIN: 10px 20px; BORDER-LEFT: rgb(204,204,204) 2px solid; WIDTH: auto; PADDING-TOP: 10px; BORDER-BOTTOM: rgb(238,238,238) 1px solid; BACKGROUND-REPEAT: repeat; WHITE-SPACE: pre; BACKGROUND-COLOR: rgb(255,255,255)"><code class="jive-code" style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; PADDING-TOP: 0px"><p> </p><div class="txc-textbox" style="BORDER-RIGHT: #fedec7 1px solid; PADDING-RIGHT: 10px; BORDER-TOP: #fedec7 1px solid; PADDING-LEFT: 10px; PADDING-BOTTOM: 10px; BORDER-LEFT: #fedec7 1px solid; PADDING-TOP: 10px; BORDER-BOTTOM: #fedec7 1px solid; BACKGROUND-COLOR: #fedec7"><p>echo scsi add-single-device 3 2 1 0 > /proc/scsi/scsi </p></div></code></pre> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; MIN-HEIGHT: 8pt; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px; HEIGHT: 8pt"> </p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">위의 예는 컨트롤러 3 ,bus 2, target1, lun 0 에 하나의 장치를 추가할 것입니다.</p> <p style="PADDING-RIGHT: 0px; PADDING-LEFT: 0px; PADDING-BOTTOM: 0px; MARGIN: 0px; LINE-HEIGHT: 1.25em; PADDING-TOP: 0px">디스크가 추가되는 위치와 설정에 따라서 위의 값을 수정하시고 진행하시기 바랍니다..</p></div><span> </span></div></div></span></span>