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	文章列表 - ES255

	ES255-C10:Troubleshooting Storage Systems
	<DIV>Upon completion of this module, you should be able to:<BR>Identify storage troubleshooting strategies for the enterprise environment<BR>Troubleshooting a variety of storage faults on available lab equipment<BR>Use available administration tools to troubleshoot and isolate storage-related problems</DIV> <DIV> </DIV> <DIV>The primary purpose of the enterprise environment is to keep the systems, applications, and information available to all users.<BR>  No scheduled downtime<BR>  Software tools take hot-pluggable components offline <BR>  Alternate pathing</DIV> <DIV> </DIV> <DIV>Basic concepts for the purposes of AP:<BR>  An I/O device is either a disk or network<BR>  An I/O controller is the controller board for an I/O device<BR>  An I/O port is a connector on a controller board<BR>  A device node is a physical device; for example, /dev/dsk/c0t0d1s0</DIV> <DIV> </DIV> <DIV>How AP Software Helps in Repairs<BR>It replaces parts in an AP-devices path<BR>The AP device has one active and one inactive alternate paths:<BR>  The inactive alternate path is disabled<BR>  Components in the disabled alternate path are replaced<BR>  The disabled alternate path is tested and enabled<BR>  The active alternate path is switched to the path just repaired<BR>The second alternate path is repaired in the same way</DIV> <DIV> </DIV> <DIV>General Troubleshooting Guidelines<BR>The following steps are recommended when troubleshooting failing Fibre Channel loops:<BR>1,Check the software and firmware revisions against the latest matrix. Always upgrade to latest revisions, if necessary<BR>2,Identify the suspect loop<BR>3,Test and reproduce the failure<BR>4,Diagnose the failure and repair</DIV> <DIV> </DIV> <DIV>To run the Loop Integrity Test:<BR>1,Identify the controller number of the suspect loop<BR>2,Choose the StorTools Display Configuration selection from the stormenu main menu<BR>3,Select the Conf……
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	发表于:2006-09-11 ┆ 阅读(788) ┆ 评论(0)

	ES255-C9:Solstice DiskSuite With Hardware RAID
	<DIV>Upon completion of this module, you should be able to:<BR>List the basic features of Solstice Disksuite<BR>Describe the three Solstice DiskSuite object<BR>Describe the use of metadevice state-database replicas<BR>Describe the basic operation of the Solstice DiskSuite graphical user interface(GUI) and command-line interface(CLI)<BR>Create and manipulate state-database replicas<BR>Create simple, concatenated, striped, redundant array of independent disks-(RAID)5,mirrored, and metatrans devices<BR>Describe the logical-to-physical relationship of a metadevice and a disk partition<BR>Describe the differences between Veritas Volume Manager and Solstice DiskSuite</DIV> <DIV>Solstice DiskSuite Features<BR>Disk management software that provides the following features:<BR>  Increasing storage capacity<BR>  Enterprise-class storage management<BR>  Support for disk devices<BR></DIV> <DIV>Solstice DiskSuite uses logical disks called metadevices<BR>Metadevices are logical devices that made up of one or more phusical disk partitions</DIV> <DIV> </DIV> <DIV>Solstice DiskSuite Objects<BR>You can create three basic types of objects with Solstice DiskSuite:<BR>  State-database replicas-Information stored on disk about the state of the Solstice DiskSuite configuration<BR>  Metadevices-A group of physical slices that appear to the system as a single, logical device<BR>  Hot-spare pools-A collection of disk slices that are automatically substituted in case of slice failure in mirrors and RAID 5 metadevices</DIV> <DIV> </DIV> <DIV>Simple Metadevices<BR>Concatenations and stripes are simple metadevices in that they are composed of slices<BR>Simple metadevices can either be used directly or as building blocks for mirrors or metatrans devices<BR>Ensure the slice has sufficient free space to accommodate the desired length of the new metadevice</DIV> <DIV> </DIV> <DIV>Mirroring a Metadevice<BR>Mirroring improves system availability by m……
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	发表于:2006-09-11 ┆ 阅读(756) ┆ 评论(0)

	ES255-C8:Veritas Volume Manager With Hardware RAID
	<DIV>Upon completion of this module, you should be able to:<BR>Describe the concepts, terminology, and components of the application<BR>Describe hardware(HW) and software(SW) RAID compatibility<BR>List the benefits of integrating HW and SW RAID<BR>Describe the integration procedures for the supported configurations<BR>Create a volume <BR>Perform additional volume operations</DIV> <DIV> </DIV> <DIV>Veritas Volume Manager Basics<BR>Disk management software developed by Veritas<BR>Veritas Volume Manager creates the virtual volumes "on top" of the hardware RAID LUNs created by RAID Manager 6 or pSOS<BR>  A typical hardware RAID LUN path name is similar to /dev/(r)dsk/c1t2d0<BR>  A typical virtual volume path name is similar to /dev/vx/dsk/DGa/vol01<BR>When Veritas Volume Manager software RAID is integrated with hardware RAID, the improved synergy can increase availability, performance, and manageability</DIV> <DIV> </DIV> <DIV>The connection between physical objects and VM objects is made when you place a physical disk under the control of the VM software.<BR>Volume Manager creates virtual objects and makes logical connections between the objects. The virtual objects are then used by Volume Manager to perform storage management tasks.</DIV> <DIV> </DIV> <DIV>A VM disk typically includes a public region and a private region on which Volume Manager internal configuration information is stored.</DIV> <DIV> </DIV> <DIV>Volume Manager User Interfaces<BR>Volume Manager offers three different user interfaces:<BR>  vmsa-The storage administrator, which is the GUI for Volume Manager<BR>  vxdiskadm-The support operations administrator, which is a menu-driven interface for Volume Manager<BR>Command-line interface facilitates scripting of volume creation<BR>Volume Manager objects created by one interface are compatible with Volume Manager objects created by the other interfaces</DIV> <DIV> </DIV> <DIV>One can manually stop and ……
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	发表于:2006-09-11 ┆ 阅读(752) ┆ 评论(0)

	ES255-C7:RAID Manager6
	<DIV>Upon completion of this module, you should be able to:<BR>Describe the features and benefits of the redundant array of independent disks(RAID) Manager software<BR>Define RAID Manager 6 terms<BR>Describe hot-spare usage<BR>Describe RAID Manager 6 device-naming convertions<BR>Install the RAID Manager 6 software<BR>Install all required patches<BR>Updata the format utility<BR>Verify the correct installation with a health check<BR>Run the health check application on the Sun StorEdge A3x00 disk array<BR>Examine the RAID module configuration<BR>Delete existing RAID drive groups<BR>Create new RAID drive groups and hot spares<BR>Check the status message log<BR>Describe the newfs usage and mount a RAID drive slice<BR>Perform a drive-recovery procedure</DIV> <DIV> </DIV> <DIV>RAID Manager 6 Components and Features<BR>Major components<BR>  User interfaces<BR>  RAID Manager 6 engine<BR>  Redundant dual active controller(RMAC) driver<BR>RAID Manager 6 features<BR>  Solstice DiskSuite compatible features<BR>  Veritas Volume Manager compatible features</DIV> <DIV> </DIV> <DIV>Command-Line Interface<BR>It is useful when writing shell scripts<BR>The CLI is not as intuitive as the GUI<BR>  The CLI command syntax is available through the GUI Task Monitor<BR>The CLI and GUI tools perform the same functions<BR>All commands are located in /usr/lib/osa/bin and can be referenced through the symbolic link at /usr/sbin/osa -> /usr/lib/osa/bin</DIV> <DIV>  </DIV>
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	发表于:2006-09-11 ┆ 阅读(724) ┆ 评论(0)

	ES255-C6:Sun StorEdge A1000 A3500 Disk Systems
	<DIV>Upon completion of this module, you should be able to:<BR>Identify the Sun StorEdge A3500 and A3500FC Arrays<BR>Describe the Sun StorEdge A3500 RAID controllers functions<BR>Identify the Sun StorEdge A3500 and A3500FC RAID controller differences<BR>Identify the components of the Sun StorEdge A3500 Array storage system<BR>Describe the Sun StorEdge D1000 Array components<BR>Describe the Sun StorEdge A1000 RAID controller function<BR>Describe the differences between the Sun StorEdge A1000 Array and the Sun StorEdge D1000 Arrays</DIV> <DIV> </DIV> <DIV>Sun StorEdge A3500 RAID Controller Module<BR>Dual RAID controller for redundancy<BR>High-availability storage solution<BR>A3500FC with a Fibre Channel option<BR>Dual 40 Mbyte/second interface(A3500)<BR>Dual 100 Mbyte/second interface(A3500FC)<BR>Redundant power and cooling<BR>Supports up to five D1000 storage arrays in one rack</DIV> <DIV> </DIV> <DIV>Thermal Sensing Unit<BR>Both power supplies have a build-in temperature sensor that prevents the power supplies from overheating. If a temperature sensor detects an over-temperature condition, the overheated power supply automatically shuts down. The other power supply remains on as long as the temperature remains below the over-temperature threshold.</DIV> <DIV> </DIV> <DIV>Each device attached to a SCSI bus must have a unique ID number to communicate. For the Sun StorEdge A3x00 controller module, the SCSI ID of Controller 1(top) must be 5, and the SCSI ID of Controller 2(bottom) must be 4.</DIV> <DIV> </DIV> <DIV>Sun StorEdge A3000 Array Configurations<BR>56-inch StorEdge rack<BR>Sun StorEdge A3000 RAID controller<BR>Two to five 7-drive redundant storage modules(RSMs) or Sun StorEdge D1000 Arrays<BR>Universal power sequencer</DIV> <DIV> </DIV> <DIV>Sun StorEdge A1000/D1000 Arrays<BR>Drive bay(8 or 12 slots)<BR>Disk sizes(1.6- or 1.0-inch)<BR>A1000 includes a RAID controller<BR>  Single differential Ultra-wide SCSI interface<BR>&……
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	发表于:2006-09-08 ┆ 阅读(762) ┆ 评论(0)

	ES255-C5:Sun StorEdge Compont Manager 2.0
	<DIV>Upon completion of this module, you should be able to:<BR>Describe the purpose and features of the Sun StorEdge Component Manager software application<BR>Successfully install and start Sun StorEdge Component Manager<BR>Explain how to recover from initialization errors<BR>Identify the main components of the Sun StorEdge Management Console<BR>Describe the five categories of the Sun StorEdge Component Manager alarms<BR>Use the Alarm Viewer to monitor alarms<BR>Describe Event Logging in Sun StorEdge Component Manager<BR>Use the Log Viewer to monitor Sun StorEdge Component Manager events<BR>Describe the Health Monitoring in Sun StorEdge Component Manager<BR>Perform configuration functions using Sun StorEdge Component Manager<BR>Successfully de-install Sun StorEdge Component Manager</DIV> <DIV> </DIV> <DIV>Sun StorEdge Component Manager 2.0 Basics<BR>Sun StorEdge Component Manager 2.0 is a GUI to monitor the A5x00 and Sun StorEdge T3 Arrays.<BR>It provides the following key features:<BR>  Alarm notification<BR>  Remote reporting<BR>  Viewing of component status and properties<BR>It was previously called Enclosure Manager</DIV> <DIV> </DIV> <DIV>Prerequisites for Installing Sun StorEdge Component Manager<BR>The minimum required disk space for the following components is:<BR>  /etc - 1 Mbyte<BR>  /var - 2 Mbytes<BR>  /usr/opt - 35 Mbytes<BR>Required patches are installed<BR>Correct firmware levels are installed<BR>You might need to have the SUNWses package already installed</DIV> <DIV> </DIV> <DIV>The Health Monitor<BR>The Health monitor enables you to monitor individual properities and status of hardware components<BR>Examples of health monitoring include checking:<BR>  The firmware version of an enclosure<BR>  The loop configuration of the physical enclosure<BR>  The disk status and size  <BR>  The temperature of an enclosure<BR>  The health summary of all the components within an enclos……
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	发表于:2006-09-08 ┆ 阅读(692) ┆ 评论(0)

	ES255-C4:pSOS StorEdge T3 Array
	<DIV>Upon completion of this module, you should be able to:<BR>Describe the Sun StorEdge T3 Array boot process<BR>List the plug-in Silicon Operating System(pSOS) commands<BR>Configure environmental parameters<BR>Upgrade the Sun StorEdge T3 Array firmware<BR>Create redundant array of independent disks(RAID) volumes on the Sun StorEdge T3 Array<BR>Configure global system parameters<BR>Enable array fault monitoring</DIV> <DIV> </DIV> <DIV>The Boot Process<BR>EPROM flash-memory device(FMD) contains code that functions as the system boot loader<BR>FMD supports three boot modes:<BR>  none-Boots the EPROM firmware; does not load the controller software<BR>  tftp-Loads the controller software from a tftp boot server<BR>  auto-Loads the RAID software from the master control system area on the default boot disk(uldl)<BR>The default bootmode parameter is set to auto</DIV> <DIV> </DIV> <DIV>The FMD is responsible for booting the RAID software, which is normally stored in a reserved partition on the master controller's drives. The FMD can also load the RAID software from any server on the network using the tftp protocl.<BR>In the event the Sun StorEdge T3 Array fail to boot from its local disks due to corrupted or inaccessible RAID firmware, you can use the procedure in configuring a tftp boot server as a method of recovery</DIV> <DIV> </DIV> <DIV>Updating the Master Control System Area<BR>To place a copy of the RAID controller firmware in the system area reserved on all disks in the master controller unit, enter:<BR>T3:/:<1>boot -i nb101.bin</DIV> <DIV> </DIV> <DIV>Verifying Firmware Levels<BR>  The four different types of firmware are:<BR>  RAID controller<BR>  EPROM<BR>  Disk drive<BR>  UIC<BR>Connect to Sun StorEdge T3 Array using a telnet session<BR>Type ver to identify controller firmware level<BR>Type fru list to identify disk drive, UIC, and EPROM firmware levels</DIV> <DIV> </DIV> <DIV>Upgr……
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	发表于:2006-09-08 ┆ 阅读(778) ┆ 评论(0)

	ES255-C3:The Sun StorEdge T3 Array
	<DIV> <TABLE style="BORDER-COLLAPSE: collapse" borderColor=#dddddd cellSpacing=0 cellPadding=0 width=360 align=center border=1> <TBODY> <TR height=60> <TD align=middle width=60><IMG alt="" src="http://control.cublog.cn/fileicon/rar.gif" border=0></TD> <TD> <TABLE style="BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width="100%" border=0> <TBODY> <TR height=20> <TD align=middle width=40>文件:</TD> <TD>T3.rar</TD></TR> <TR height=20> <TD align=middle width=40>大小:</TD> <TD>894KB</TD></TR> <TR height=20> <TD align=middle width=40>下载:</TD> <TD><A href="http://www.cublog.cn/u/6589/upfile/060906154541.rar">下载</A></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></DIV> <P>Upon completion of this module, you should be able to :<BR>Describe the features of the Sun StorEdge T3 Array<BR>Identify each field-replaceable unit(FRU) in the Sun StorEdge T3 Array<BR>Describe the Sun StorEdge T3 array architecture<BR>Describe the supported configurations of the Sun StorEdge T3 Array<BR>Describe the partner group failover and recovery operations of the Sun StorEdge T3 Array<BR>Identify Sun StorEdge T3 Array FRU functionality<BR>Create an administrative connection to the Sun StorEdge T3 Arrey<BR>Identify the software applications supporting the Sun StorEdge T3 Array<BR>Use the plug-in Silicon Operating System (pSOS) software to identify the FRU components<BR>Identify FRU failures with pSOS commands<BR>Confirm replacement of FRUs with pSOS commands</P> <P>Sun StorEdge T3 Array Product Description<BR>Fibre Channel disk storage solution<BR>Up to nine 36.4Gbyte drives in each array<BR>RAID Levels 0, 1, and 5 are supported<BR>Up to 256 Mbytes of data cache memory <BR>All FRUs are hot-pluggable</P> <P>Disk Array Components<BR>The Sun StorEdge T3 Array contains four different hot-pluggable FRUs:<BR>Disk drives<BR>RAID controller card<BR>Unit interconnect controller card<BR>Power and cooling unit<BR>All components plug into a common center plane</P> <P>System……
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	发表于:2006-09-06 ┆ 阅读(777) ┆ 评论(0)

	ES255-C2:Sun Storage System Architectural Overview
	<DIV>Upon completion of this module, you should be able to:<BR>Describe the features of various system bus architecure<BR>Describe the features of input and output(I/O) channels, small computer systems interface(SCSI),and the </DIV> <DIV>Fibre Channel-Arbitrated Loop(FC-AL)<BR>Describe Sun-supported redundant array of independent disks(RAID) schemes<BR>Describe the fundamental purpose and function of alternate-pathing solutions</DIV> <DIV> </DIV> <DIV>SCSI Addressing<BR>A SCSI target is a device controller, not a device<BR>There are 8 unique targets on a narrow bus, 16 on a wide bus<BR>Each target supports eight LUNs or devices<BR>The t#d# scheme identifies the target and LUN addresses<BR>SCSI commands are issued by initiators:<BR>  The most common initiator is the host adapter<BR>  Host adapters do not have LUNs<BR>There are 57(narrow) or 121(wide) positions on the bus</DIV> <DIV> </DIV> <DIV>Fibre Channel Technologies<BR>Sun StorEdge system approach:<BR>  High bandwidth FC-AL to replace SCSI<BR>  Simple, flexible, serial networks<BR>  High-speed, bidirectional optical cable<BR>  Capable of data-transfer rates of up to 100 Mbytes per second<BR>  Ability to support up to 126 FC-AL devices on a single host adapter</DIV> <DIV> </DIV> <DIV>Disk Storage Arrays<BR>A disk storage array is a collection of disks combined with an array management function<BR>An array management function controls the disk' operation and presents their storage capacity to hosts </DIV> <DIV>as one or more virtual disks<BR>Benefits of disk storage array include:<BR>  Improved I/O performance<BR>  High date availability<BR>  Simplified storage management</DIV> <DIV> </DIV> <DIV>Storage arrays typically use disk drives from the following types:<BR>SCSI-1 - Narrow, 8-bit<BR>SCSI-2 - Wide, 16-bit<BR>SCSI-3 - UltraWide SCSI<BR>SCSI-FCP - FC-AL<BR>FC-AL disk drives are the only drives currently supporting dual-ported acces……
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	发表于:2006-09-06 ┆ 阅读(662) ┆ 评论(0)

	ES255-C1:Introduction to SUN hardware RAID Storage
	<DIV> <TABLE style="BORDER-COLLAPSE: collapse" borderColor=#dddddd cellSpacing=0 cellPadding=0 width=360 align=center border=1> <TBODY> <TR height=60> <TD align=middle width=60><IMG alt="" src="http://control.cublog.cn/fileicon/rar.gif" border=0></TD> <TD> <TABLE style="BORDER-COLLAPSE: collapse" cellSpacing=0 cellPadding=0 width="100%" border=0> <TBODY> <TR height=20> <TD align=middle width=40>文件:</TD> <TD>1-graph.rar</TD></TR> <TR height=20> <TD align=middle width=40>大小:</TD> <TD>615KB</TD></TR> <TR height=20> <TD align=middle width=40>下载:</TD> <TD><A href="http://www.cublog.cn/u/6589/upfile/060906095154.rar">下载</A></TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE></DIV> <DIV>Upon completion of this module, you should be able to:<BR>Describe the SUN storage philosophy<BR>Identify key components of the SUN storage architecture<BR>List the software applications used for performing configuration, monitoring, and diagnostics on Sun hardware redundant array of independent disks(RAID) storage systems</DIV> <DIV> </DIV> <DIV>The Key Components of the Sun storage architecure:<BR>Disk storage arrays<BR>Hot-pluggable disk drives<BR>High-speed disk drives<BR>Ultra SCSI and FC-AL high-speed interfaces</DIV> <DIV> </DIV> <DIV>Device configuration in the Solaris Operating System<BR>An Enterprise computer can use several different mass-storage devices. The Solaris Operating Environment <BR>accesses these using a device driver.<BR>The device driver allows the operating system to communicate with a specific drive. Device drivers used by the kernel are defined during tye system boot process. The OpenBoot programmable read-only memory(PROM) identifies every device connected to the server by its device type, deivce path, address, and world-wide number. It places this information in files accessed by the auto-configuration routines in the kernel</DIV> <DIV> </DIV> <DIV>Storage Management Utilities<BR>luxadm<BR>pSOS<BR>RAID Manager 6<BR>S……
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	发表于:2006-09-06 ┆ 阅读(701) ┆ 评论(0)