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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>Managing Link Speed</title> <link rel="StyleSheet" href="css/v9194868.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-7-01.html">Using MegaRAID Advanced Software</a> : Managing Link Speed</div> <hr align="left" /> <blockquote> <p class="Heading_1"><a name="3_14_20_1">Managing Link Speed</a></p> <p class="Body"><a name="3_14_20_3_1_2">The Managing Link Speed feature allows you to change the link speed between the controller and an expander or between the controller and a drive that is directly connected to the controller.</a></p> <p class="Body"><a name="3_14_20_3_1_3">All phys in a SAS port can have different link speeds or can have the same link speed.</a></p> <p class="Body"><a name="3_14_20_3_1_4">You can select a link speed setting. However, if phys in a SAS port have different link speed settings and if a phy is connected to a drive or an expander, the firmware overrides the link speed setting you have selected and instead uses the common maximum link speed among all the phys.</a></p> <p class="Body"><a name="3_14_20_3_1_5">To change the link speed, 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_14_20_3_2_1">Perform one of these actions:</a></span></p> </td> </tr> </table> </div> <div class="List_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_2_inner" style="width: 18pt; white-space: nowrap"> <img src="line.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_2_inner"><a name="3_14_20_3_2_1_4_1">Right-click a controller in the left frame of the MegaRAID Storage Manager main menu, and select </a><span class="uicontrol">Manage Link Speed</span>.</p> </td> </tr> </table> </div> <div class="List_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_2_inner" style="width: 18pt; white-space: nowrap"> <img src="line.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_2_inner"><a name="3_14_20_3_2_1_4_2">Select a controller in the left frame of the MegaRAID Storage Manager main menu, and then select </a><span class="uicontrol">Go To > Controller > Manage Link Speed</span> in the menu bar.</p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_14_20_3_2_1_5_2">The </a><span class="wintitle">Manage Link Speed</span> dialog appears, as shown in the following figure.</p> <p class="Figure_Title">Figure 144. <a name="3_14_20_3_2_1_5_3_2">Manage Link Speed Dialog</a></p> <p class="Figure_1"><a name="3_14_20_3_2_1_5_3-2"><img class="Default" src="images/Mnglinkspeed_6.jpg" width="524" height="405" style="display: block; float: none; left: 0pt; top: 0pt" alt="" /></a></p> <div class="List_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_2_inner" style="width: 18pt; white-space: nowrap"> <img src="line.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_2_inner"><a name="3_14_20_3_2_1_5_4_1">The </a><span class="wintitle">SAS Address</span> column displays the SAS address that uniquely identifies a device in the SAS domain.</p> </td> </tr> </table> </div> <div class="List_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_2_inner" style="width: 18pt; white-space: nowrap"> <img src="line.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_2_inner"><a name="3_14_20_3_2_1_5_4_2">The </a><span class="wintitle">Phy</span> column displays the system-supported phy link values. The phy link values are from 0 through 7.</p> </td> </tr> </table> </div> <div class="List_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="List_2_inner" style="width: 18pt; white-space: nowrap"> <img src="line.png" alt="*" border="0" width="5" height="5" /> </p> </td> <td width="100%"> <p class="List_2_inner"><a name="3_14_20_3_2_1_5_4_3">The </a><span class="wintitle">Select Link Speed</span> column displays the phy link speeds.</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_14_20_3_2_2">Select the desired link speed from the Select Link Speed field using the drop-down selector.</a></span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_14_20_3_2_2_4_2">The link speed values are Auto,1.5 Gbps, 3.0 Gbps, or 6.0 Gbps.</a></p> <p class="note_1"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_14_20_3_2_2_4_3">By default, the link speed in the controller is </a><span class="Italic">Auto</span> or the value last saved by you.</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_14_20_3_2_3">Click </a></span><span class="uicontrol">OK</span><span class="Command">.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_14_20_3_2_3_4_2">The link speed value is now reset. The change takes place after you restart the system.</a></p> <p class="Body_1"><a name="3_14_20_3_2_3_4_3">The message box appears, as shown in the following figure.</a></p> <p class="Figure_Title">Figure 145. <a name="3_14_20_3_2_3_4_4_2">System Restart Required Message</a></p> <p class="Figure_1"><a name="3_14_20_3_2_3_4_4-2"><img class="Default" src="images/restart2_6.jpg" width="483" height="156" style="display: block; float: none; left: 0pt; top: 0pt" alt="" /></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">DB09 000202-16 37857-03, Rev R, July 2014</td> </tr> <tr> <td class="copyright"> <a href="http://www.lsi.com/Pages/trademark.aspx?" target="external_window">Copyright© 2014 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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