397 lines
18 KiB
HTML
397 lines
18 KiB
HTML
<?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" />
|
|
<title>Background Tasks</title>
|
|
<link rel="StyleSheet" href="css/Maintain_Units.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="scripts/expand.js"></script>
|
|
<script type="text/javascript" language="JavaScript1.2" src="scripts/seealso.js"></script>
|
|
<script type="text/javascript" language="JavaScript1.2">
|
|
<!--
|
|
var WebWorksRootPath = "";
|
|
// -->
|
|
</script>
|
|
<script type="text/javascript" language="JavaScript1.2">
|
|
<!--
|
|
var WebWorksSeeAlso = "xxx";
|
|
// -->
|
|
</script>
|
|
</head>
|
|
<body style="">
|
|
<table align="right">
|
|
<tr>
|
|
<td style="text-align: left;">
|
|
<a href="http://www.lsi.com/channel/products" target="_blank">
|
|
<img src="LSI-logo.jpg" border="0" />
|
|
</a>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<div style="text-align: left;">
|
|
<p style="color: Navy; font-weight:bold">3DM2™ Online
|
|
Help</p>
|
|
<table cellspacing="0">
|
|
<tr>
|
|
<td>
|
|
<a href="toc.html">
|
|
<img src="images/toc.gif" alt="Table of Contents" border="0" />
|
|
</a>
|
|
</td>
|
|
<td>
|
|
<a href="Maintain_Units.7.14.html">
|
|
<img src="images/prev.gif" alt="Previous" border="0" />
|
|
</a>
|
|
</td>
|
|
<td>
|
|
<a href="Maintain_Units.7.16.html">
|
|
<img src="images/next.gif" alt="Next" border="0" />
|
|
</a>
|
|
</td>
|
|
<td>
|
|
<a href="ix.html">
|
|
<img src="images/index.gif" alt="Index" border="0" />
|
|
</a>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<br clear="all" />
|
|
<br />
|
|
<div class="WebWorks_Breadcrumbs" style="text-align: left;">
|
|
<a class="WebWorks_Breadcrumb_Link" href="Maintain_Units.7.1.html#1144914">Maintaining Units</a> > Background Tasks</div>
|
|
<hr align="left" />
|
|
<div>
|
|
<div class="Heading1"><a name="1144914">Background Tasks</a></div>
|
|
<div class="Body"><a name="1172587">Background tasks are maintenance tasks that help maintain the integrity of </a>your drives and data. These tasks include</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1071739">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1071739" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a name="1071739">Initialization of units </a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1172344">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1172344" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a name="1172344">Verification of units</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1172345">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1172345" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a name="1172345">Rebuilds when units have become degraded</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1172346">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1172346" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a name="1172346">Migration of units from one configuration to another</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1091994">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1091994" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a name="1091994">Self-tests</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Body"><a name="1585715">3ware RAID management software includes some controls to help you </a>balance completion of these tasks with host I/O responsiveness, so as to minimize any conflict between the two. For example, you can schedule when backgrounds tasks should be run (to avoid peak work hours) and you can specify the rate at which they run in relationship to foreground I/O tasks. You can also set the background task mode to address the issue of latency.</div>
|
|
<div class="Body"><a name="1173680">This section includes the following topics related to background tasks:</a></div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192015">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192015" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.16.html#1092646" name="1192015">About Initialization</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192022">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192022" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.17.html#1080320" name="1192022">About Verification</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192042">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192042" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.19.html#1522248" name="1192042">Starting a Verify Manually</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192047">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192047" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.20.html#1353024" name="1192047">Rebuilding Units</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192051">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192051" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.21.html#1377899" name="1192051">Cancelling a Rebuild and Restarting It with a Different Drive</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1585756">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1585756" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.22.html#1079448" name="1585756">Working with the Background Task Mode</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1588762">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1588762" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.23.html#1585958" name="1588762">Setting the Background Task Mode</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192056">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192056" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.24.html#1585765" name="1192056">Setting Background Task Rate</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192060">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192060" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.25.html#1196480" name="1192060">Background Task Prioritization</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192140">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192140" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.26.html#1112466" name="1192140">Scheduling Background Tasks</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192065">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192065" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.27.html#1082252" name="1192065">Viewing Current Task Schedules</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192069">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192069" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.28.html#1116708" name="1192069">Turning On or Off Use of a Rebuild/Migrate Task Schedule</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192073">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192073" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.30.html#1515344" name="1192073">Removing a Task Slot from a Schedule</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192087">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192087" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.31.html#1072535" name="1192087">Adding a New Task Schedule Slot</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Bullet_outer" style="margin-left: NaN;">
|
|
<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192091">
|
|
<tr style="vertical-align: baseline;">
|
|
<td>
|
|
<div class="Bullet_inner" style="width: 1.5em; white-space: nowrap;">
|
|
<img src="sqbullet.gif" alt="*" id="bullet1192091" border="0" width="8" height="8" />
|
|
</div>
|
|
</td>
|
|
<td width="100%">
|
|
<div class="Bullet_inner"><a href="Maintain_Units.7.32.html#1072552" name="1192091">Selecting Self-tests to be Performed</a></div>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<div class="Body"><a name="1192014">Although the migration of a unit is handled as a background task, initiating it </a>is similar to creating a new unit. For details, see <a href="Config_Units.6.16.html#2055961">Changing An Existing Configuration by Migrating</a>.</div>
|
|
</div>
|
|
<hr align="left" />
|
|
<div style="text-align: left;">
|
|
<table cellspacing="0">
|
|
<tr>
|
|
<td>
|
|
<a href="toc.html">
|
|
<img src="images/toc.gif" alt="Table of Contents" border="0" />
|
|
</a>
|
|
</td>
|
|
<td>
|
|
<a href="Maintain_Units.7.14.html">
|
|
<img src="images/prev.gif" alt="Previous" border="0" />
|
|
</a>
|
|
</td>
|
|
<td>
|
|
<a href="Maintain_Units.7.16.html">
|
|
<img src="images/next.gif" alt="Next" border="0" />
|
|
</a>
|
|
</td>
|
|
<td>
|
|
<a href="ix.html">
|
|
<img src="images/index.gif" alt="Index" border="0" />
|
|
</a>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
</div>
|
|
<table align="right">
|
|
<tr>
|
|
<td style="text-align: left;">
|
|
<a href="http://www.lsi.com/channel/products" target="_blank">
|
|
<img src="LSI-logo.jpg" border="0" />
|
|
</a>
|
|
</td>
|
|
</tr>
|
|
<tr>
|
|
<td style="text-align: left; font-size: 16px ; font-weight: bold">
|
|
<a href="http://www.lsi.com/channel/products" target="_blank">LSI Corporation</a>
|
|
</td>
|
|
</tr>
|
|
</table>
|
|
<p style="font-size: .8em">Copyright LSI 2004-2010<br />
|
|
To contact Support, go to <a href="http://www.lsi.com/channel/ContactUs">http://www.lsi.com/channel/ContactUs</a></p>
|
|
</body>
|
|
</html> |