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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>Running a Patrol Read</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-5-01.html">Monitoring Controllers and Their Attached Devices</a> : Running a Patrol Read</div> <hr align="left" /> <blockquote> <p class="Heading_1"><a name="3_10_38_1">Running a Patrol Read</a></p> <p class="Body"><a name="3_10_38_3_1_2">A patrol read periodically verifies all sectors of the drives connected to a controller, including the system reserved area in the RAID configured drives. You can run a patrol read for all RAID levels and for all hot spare drives. A patrol read is initiated only when the controller is idle for a defined period and has no other background activities.</a></p> <p class="Body"><a name="3_10_38_3_1_3">You can set the patrol read properties and start the patrol read operation, or you can start the patrol read without changing the properties.</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_38_3_2_1">Click a controller icon in the left panel.</a></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_38_3_2_2">Select </a></span><span class="uicontrol">Go To > Controller > Set Patrol Read Properties</span><span class="Command">, or right-click on a controller and select </span><span class="uicontrol">Set Patrol Read Properties</span><span class="Command"> from the menu.</span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_38_3_2_2_4_2">The </a><span class="wintitle">Patrol Read - Set properties</span> window appears, as shown in the following figure.</p> <p class="Figure_Title">Figure 89. <a name="3_10_38_3_2_2_4_3_2">Patrol Read - Set Properties</a></p> <p class="Figure_1"><a name="3_10_38_3_2_2_4_3-2"><img class="Default" src="images/patrolread_setproperties_6.jpg" width="529" height="323" 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_38_3_2_3">Select an operation mode for patrol read from the following options:</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"><span class="uicontrol"><a name="3_10_38_3_2_3_4_1">Automatic</a></span>: Patrol read runs automatically at the time interval you specify on this window.</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"><span class="uicontrol"><a name="3_10_38_3_2_3_4_2">Manual</a></span>: Patrol read runs only when you manually start it, by selecting Start Patrol Read from the controller options window.</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"><span class="uicontrol"><a name="3_10_38_3_2_3_4_3">Disabled</a></span>: Patrol read does not run.</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">4. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_38_3_2_4">(Optional) Specify a maximum count of drives to include in the patrol read.</a></span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_38_3_2_4_4_2">The count must be a number from 1 to 255.</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_38_3_2_5">(Optional) Click virtual drives in the list under the heading </a></span><span class="uicontrol">Virtual Drive</span><span class="Command"> to include in the patrol read and click </span><span class="uicontrol">Add ></span><span class="Command"> or click </span><span class="uicontrol">Add All >></span><span class="Command"> to include all of the virtual drives.</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">6. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_38_3_2_6">(Optional) Change the frequency at which the patrol read runs.</a></span></p> </td> </tr> </table> </div> <p class="Body_1"><a name="3_10_38_3_2_6_4_2">The default frequency is weekly (168 hours), which is suitable for most configurations. The other options are hourly, daily, and monthly.</a></p> <p class="note_1"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_10_38_3_2_6_4_3">Leave the patrol read frequency and other patrol read settings at the default values to achieve the best system performance. If you decide to change the values, record the original default values here so you can restore them later, if necessary: </a><span class="Bold">Patrol Read Frequency</span>: ___________________, <span class="Bold">Continuous Patrolling</span>: Enabled/Disabled, <span class="Bold">Patrol Read Task Rate</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">7. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_38_3_2_7">(Optional) Set Patrol Read to run at a specific time.</a></span></p> </td> </tr> </table> </div> <p class="info_1"><a name="3_10_38_3_2_7_4">The default setting for the patrol read is to start when you click </a><span class="uicontrol">OK</span> on this window. To change the default setting so that the patrol read starts at a specific time, follow these steps (otherwise, skip this step and proceed to step <span class="fm_003aNumberOnly"><a href="javascript:WWHClickedPopup('MSM_MR_help', 'MSM_MR_help-5-22.html#3_10_38_3_2_8', '');" title="Running a Patrol Read">8</a></span>):</p> <div class="Numbered_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Numbered_2_inner" style="width: 18pt; white-space: nowrap">a. </p> </td> <td width="100%"> <p class="Numbered_2_inner"><span class="Command"><a name="3_10_38_3_2_7_5_1">Deselect the </a></span><span class="uicontrol">Perform Patrol Read when I press OK</span><span class="Command"> check box.</span></p> </td> </tr> </table> </div> <div class="Numbered_2_outer" style="margin-left: 26px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Numbered_2_inner" style="width: 18pt; white-space: nowrap">b. </p> </td> <td width="100%"> <p class="Numbered_2_inner"><span class="Command"><a name="3_10_38_3_2_7_5_2">Select the month, year, day, and time to start the patrol read.</a></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">8. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_38_3_2_8">Click </a></span><span class="uicontrol">OK</span><span class="Command"> to enable your patrol read selections.</span></p> </td> </tr> </table> </div> <p class="note_1"> <span style="font-family: Sans-Serif; font-weight: bold">NOTE </span><a name="3_10_38_3_2_8_4_2">Patrol read does not report on its progress while it is running. The patrol read status is reported only in the event log.</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">9. </p> </td> <td width="100%"> <p class="Step_1_inner"><span class="Command"><a name="3_10_38_3_2_9">Click </a></span><span class="uicontrol">Go</span><span class="Command"> to enable these Patrol Read options.</span></p> </td> </tr> </table> </div> <p class="Body"><a name="3_10_38_3_3_2">To start a patrol read without changing the patrol read properties, follow these steps:</a></p> <div class="Numbered_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Numbered_1_inner" style="width: 18pt; white-space: nowrap">1. </p> </td> <td width="100%"> <p class="Numbered_1_inner"><a name="3_10_38_3_3_3_1">Click a controller icon in the left panel of the MegaRAID Storage Manager main menu screen.</a></p> </td> </tr> </table> </div> <div class="Numbered_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Numbered_1_inner" style="width: 18pt; white-space: nowrap">2. </p> </td> <td width="100%"> <p class="Numbered_1_inner"><a name="3_10_38_3_3_3_2">Select </a><span class="uicontrol">Go To > Controller > Start Patrol Read</span> in the menu bar, or right-click a controller and select <span class="uicontrol">Start Patrol Read</span> from the menu.</p> </td> </tr> </table> </div> <div class="Numbered_1_outer" style="margin-left: 1px"> <table border="0" cellspacing="0" cellpadding="0" summary="" role="presentation"> <tr style="vertical-align: baseline"> <td> <p class="Numbered_1_inner" style="width: 18pt; white-space: nowrap">3. </p> </td> <td width="100%"> <p class="Numbered_1_inner"><a name="3_10_38_3_3_3_3">When prompted, click </a><span class="uicontrol">Yes</span> to confirm that you want to start a patrol read.</p> </td> </tr> </table> </div> <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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