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<?xml version="1.0" encoding="utf-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xml:lang="en" lang="en" xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html;charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <!-- MOTW-DISABLED saved from url=(0014)about:internet --> <meta name="keywords" /> <title>Changing Power Settings</title> <link rel="StyleSheet" href="css/v7720452.css" type="text/css" media="all" /> <link rel="StyleSheet" href="css/webworks.css" type="text/css" media="all" /> <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/context.js"></script> <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/towwhdir.js"></script> <script type="text/javascript" language="JavaScript1.2" src="wwhdata/common/wwhpagef.js"></script> <script type="text/javascript" language="JavaScript1.2"> <!-- var WebWorksRootPath = ""; // --> </script> <script type="text/javascript" language="JavaScript1.2"> <!-- // Set reference to top level help frame // var WWHFrame = WWHGetWWHFrame("", true); // --> </script> <script type="text/javascript" language="JavaScript1.2" src="scripts/expand.js"></script> </head> <body onload="WWHUpdate();" onunload="WWHUnload();" onkeydown="WWHHandleKeyDown((document.all||document.getElementById||document.layers)?event:null);" onkeypress="WWHHandleKeyPress((document.all||document.getElementById||document.layers)?event:null);" onkeyup="WWHHandleKeyUp((document.all||document.getElementById||document.layers)?event:null);"> <br /> <div class="WebWorks_Breadcrumbs" style="text-align: left;"> <a class="WebWorks_Breadcrumb_Link" href="Nytro_topic_4.html#3_10_8_10_22_1">MegaRAID Storage Manager Window and Menus</a> : <a class="WebWorks_Breadcrumb_Link" href="Nytro_topic_5.html#3_10_8_10_22_1">MegaRAID Storage Manager Main Menu</a> : <a class="WebWorks_Breadcrumb_Link" href="Nytro_topic_5_3.html#3_10_8_10_22_1">Creating a Storage Configuration By Using the MegaRAID Storage Manager Software</a> : Changing Power Settings</div> <hr align="left" /> <blockquote> <p class="Heading_3"><a name="3_10_8_10_22_1">Changing Power Settings</a></p> <p class="Body"><a name="3_10_8_10_22_3_1_2">The controller includes the Dimmer Switch technology that conserves energy by placing certain unused drives into Power-save mode. In Power-save mode, the drives use less energy, and the fan and the enclosure require less energy to cool and house the drives, respectively. Also, this technology helps avoid application timeouts caused by spin-up delays and drive wear caused by excessive spin-up/down cycles.</a></p> <p class="Body"><a name="3_10_8_10_22_3_1_3">You can use the </a><span class="uicontrol">Power Settings</span> field in the MegaRAID Storage Manager software to select whether to let unconfigured drives or Commissioned Hotspares enter the Power-save mode.</p> <p class="note"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_10_8_10_22_3_1_4">The Dimmer Switch technology is enabled by default.</a></p> <p class="Body"><a name="3_10_8_10_22_3_1_5">When they are in the Power-save mode, unconfigured drives and drives configured as Commissioned Hotspares (dedicated or global) can be spun down. When spun down, the drives stay in Power-save mode except for periodic maintenance, which includes the following:</a></p> <div class="List_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_1_inner" style="width: 18pt; white-space: nowrap"> <img src="square.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_1_inner"><a name="3_10_8_10_22_3_1_6_1">Periodic background media scans (Patrol Read) to find and correct media defects to avoid losing data redundancy (hot spare drives only)</a></p> </td> </tr> </table> </div> <div class="List_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_1_inner" style="width: 18pt; white-space: nowrap"> <img src="square.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_1_inner"><a name="3_10_8_10_22_3_1_6_2">Use of a Commissioned Hotspare to rebuild a degraded drive group (Commissioned Hotspare drives only)</a></p> </td> </tr> </table> </div> <div class="List_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_1_inner" style="width: 18pt; white-space: nowrap"> <img src="square.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_1_inner"><a name="3_10_8_10_22_3_1_6_3">Update of Nytro Flash modules and other metadata when you make changes to RAID configurations (Commissioned Hotspare drives and unconfigured drives)</a></p> </td> </tr> </table> </div> <p class="note"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_10_8_10_22_3_1_7">If your controller does not support this option, the </a><span class="uicontrol">Power Settings</span> field does not appear.</p> <p class="Body"><a name="3_10_8_10_22_3_1_8">Follow these steps to change the power-save setting.</a></p> <div class="Step_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Step_1_inner" style="width: 18pt; white-space: nowrap">1. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_8_10_22_3_2_1">Select a controller icon in the </a></span><span class="uicontrol">Physical</span><span class="Command"> tab or the </span><span class="uicontrol">Logical</span><span class="Command"> tab in the left panel of the </span><span class="wintitle">MegaRAID Storage Manager</span><span class="Command"> window.</span></p> </td> </tr> </table> </div> <div class="Step_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Step_1_inner" style="width: 18pt; white-space: nowrap">2. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_8_10_22_3_2_2">Select </a></span><span class="uicontrol">Go To > Controller > Power Settings</span><span class="Command"> from the menu bar.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_8_10_22_3_2_2_4_2">The </a><span class="wintitle">Power Settings</span> dialog appears, as shown in the following figure.</p> <p class="Figure_Title">Figure 53. <a name="3_10_8_10_22_3_2_2_4_3_2">Power Settings Dialog</a></p> <p class="Figure_1"><a name="3_10_8_10_22_3_2_2_4_3-2"><img class="Default" src="images/20100923_36_MSM_Power_Settings.jpg" width="432" height="241" style="display: block; float: none; left: 0pt; top: 0pt" alt="" /></a></p> <div class="Step_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Step_1_inner" style="width: 18pt; white-space: nowrap">3. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_8_10_22_3_2_3">Select the </a></span><span class="uicontrol">Allow unconfigured drives to enter Power-Save mode</span><span class="Command"> check box, and click </span><span class="uicontrol">Ok</span><span class="Command">.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_8_10_22_3_2_3_4_2">The second </a><span class="wintitle">Power Settings</span> dialog appears.</p> <p class="Figure_Title">Figure 54. <a name="3_10_8_10_22_3_2_3_4_3_2">Power Settings Dialog–Spin Down Time Delay Setting</a></p> <p class="Figure_1"><a name="3_10_8_10_22_3_2_3_4_3-2"><img class="Default" src="images/20100316_MSM_41_Power_settings_spin_down_time_delay.jpg" width="450" height="276" style="display: block; float: none; left: 0pt; top: 0pt" alt="" /></a></p> <div class="Step_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Step_1_inner" style="width: 18pt; white-space: nowrap">4. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_8_10_22_3_2_4">Enter the time delay in minutes before the unconfigured drives spin down automatically.</a></span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_8_10_22_3_2_4_4_2">After the specified time, the drives spin down automatically.</a></p> <div class="Step_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Step_1_inner" style="width: 18pt; white-space: nowrap">5. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_8_10_22_3_2_5">Click </a></span><span class="uicontrol">Ok</span><span class="Command">.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_8_10_22_3_2_5_4_2">Your power settings are saved. In the </a><span class="uicontrol">Physical</span> tab of the main menu window, the nodes for the unconfigured good drives that are spun down appear with - power save after their status.</p> <script type="text/javascript" language="JavaScript1.2"> <!-- // Clear related topics // WWHClearRelatedTopics(); document.writeln(WWHRelatedTopicsInlineHTML()); // --> </script> </blockquote> <hr align="left" /> <!-- LSI changed location of company info to align left --> <!-- Added rol from 2011.3 pages.asp file --> <!-- LSI added copyright style --> <!-- --> <table align="left" role="presentation"> <!-- LSI added support for booknum and reldate --> <!-- --> <tr> <td class="copyright">DB15-000988-08-December 2013</td> </tr> <tr> <td class="copyright"> <a href="http://www.lsi.com/Pages/trademark.aspx?" target="external_window">Copyright© 2013 by LSI Corporation. All rights reserved.</a> </td> </tr> </table> <script type="text/javascript" language="JavaScript1.2"> <!-- document.write(WWHRelatedTopicsDivTag() + WWHPopupDivTag() + WWHALinksDivTag()); // --> </script> </body> </html>
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