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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" /> <meta name="keywords" content="MegaRAID SAS SW UG" /> <title>Changing Virtual Drive Properties</title> <link rel="StyleSheet" href="css/v10392197.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="MSM_MR_help-4-01.html">Configuration</a> : Changing Virtual Drive Properties</div> <hr align="left" /> <blockquote> <p class="Heading_1"><a name="3_8_20_1">Changing Virtual Drive Properties</a></p> <p class="Body"><a name="3_8_20_3_1_2">You can change the read policy, write policy, and other virtual drive properties at any time after a virtual drive is created.</a></p> <p class="attention"> <span style="font-family: Sans-Serif; font-weight: bold">ATTENTION </span><a name="3_8_20_3_1_3">Do not enable drive caching on a mirrored drive group (RAID 1 or RAID 1E). If you do, data can be corrupted or lost in the event of a sudden power loss. A warning appears if you try to enable drive caching for a mirrored drive group.</a></p> <p class="note"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_8_20_3_1_4">For virtual drives with SAS drives only, set the drive write cache policy set to </a><span class="uicontrol">Disabled</span>, by default. For virtual drives with SATA drives only, set the drive write cache policy to <span class="uicontrol">Enabled</span>, by default.</p> <p class="Body"><a name="3_8_20_3_1_5">To change the virtual drive properties, perform the following steps:</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_8_20_3_2_1">Select a virtual drive 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_8_20_3_2_2">Select </a></span><span class="uicontrol">Go To > Virtual Drive > Set Virtual Drive Properties</span><span class="Command"> from the menu bar.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_8_20_3_2_2_4_2">The </a><span class="wintitle">Set Virtual Drive Properties</span> dialog appears, as shown in the following figure.</p> <p class="Figure_Title">Figure 64. <a name="3_8_20_3_2_2_4_3_2">Set Virtual Drive Properties Dialog</a></p> <p class="Figure_1"><a name="3_8_20_3_2_2_4_3-2"><img class="Default" src="images/SetVDProps_HADAS_6.8.jpg" width="585" height="480" style="display: block; float: none; left: 0pt; top: 0pt" alt="" /></a></p> <p class="note_1"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_8_20_3_2_2_4_4">If the controller supports High Availability DAS, the </a><span class="uicontrol">Provide Shared Access</span> check box appears in the above dialog. Select this option if you want the virtual drive to be shared between the two servers in a cluster.</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_8_20_3_2_3">Change the virtual drive properties as needed.</a></span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_8_20_3_2_3_4_2">For information about these properties, see </a><span class="fm_003aParaText"><a href="javascript:WWHClickedPopup('MSM_MR_help', 'MSM_MR_help-4-03a.html', '');" title="Selecting Virtual Drive Settings">Selecting Virtual Drive Settings</a></span>.</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_8_20_3_2_4">Click </a></span><span class="uicontrol">OK</span><span class="Command"> to accept the changes.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_8_20_3_2_4_4_2">The virtual drive settings are updated.</a></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">DB09000202-21, Rev 2.2, July 2015</td> </tr> <tr> <td class="copyright"> <a href="http://www.lsi.com/Pages/trademark.aspx?" target="external_window">Copyright© 2015 by Avago Technologies. 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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