SAN Boot Implementation and Best Practices Guide ... - IBM Redbooks

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2.8.4 Creating a host on DS5000 series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 2.8.5 Creating the LUN to host mapping on DS5000 series . . . . . . . . . . . . . . . . . . . . . 63 2.8.6 Adding the second path to the Host partition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 2.8.7 Disabling AVT for Linux Host type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68 2.9 FC SAN Boot implementation for Windows 2008 server. . . . . . . . . . . . . . . . . . . . . . . . 72 2.9.1 Limitations of booting from Windows 2008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 2.9.2 Installation of the HBA driver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 2.9.3 Updating the HBA driver and installing the multipath driver . . . . . . . . . . . . . . . . . 76 2.9.4 Windows 2008 R2 SP1 Multipath Verification. . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 2.10 FC SAN Boot implementation for SUSE Linux Enterprise Server 11 SP1 . . . . . . . . . 81 2.10.1 Installation steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82 2.10.2 SUSE Linux Enterprise Server 11 SP1 multipath verification of installation . . . . 89 2.11 FC SAN Boot implementation for Red Hat Enterprise Linux 5.5 server . . . . . . . . . . . 89 2.11.1 Installation of the RDAC in RHEL 5.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93 2.11.2 Linux MPP driver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95 2.12 FC SAN Boot implementation for VMware ESXi 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 2.12.1 Installation steps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 2.12.2 Verifying the ESXi pathing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101 2.13 Installation of AIX 6.1 for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 2.13.1 AIX requirements for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 2.13.2 Installing AIX 6.1 using a pre-existing installation. . . . . . . . . . . . . . . . . . . . . . . 104 2.13.3 New Installation process for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107 2.13.4 New AIX installation with NIM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111 2.13.5 Identifying the logical drive to hdisk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 2.13.6 AIX post installation tasks with DS5000 best practices. . . . . . . . . . . . . . . . . . . 116 Chapter 3. SAN Boot implementation with IBM System Storage DS8000 . . . . . . . . . 119 3.1 DS8000 overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 3.1.1 The DS8000 Storage family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121 3.1.2 Overall architecture and components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123 3.1.3 DS8000 Storage characteristics helpful for SAN Boot . . . . . . . . . . . . . . . . . . . . 124 3.2 Management and support tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 3.2.1 Storage Hardware Management Console for the DS8800 . . . . . . . . . . . . . . . . . 125 3.2.2 IBM System Storage DS Storage Manager GUI. . . . . . . . . . . . . . . . . . . . . . . . . 125 3.2.3 DS command line interface for the DS8800 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126 3.2.4 IBM System Storage Productivity Center management console . . . . . . . . . . . . 127 3.3 SAN configuration for the DS8000 Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 3.3.1 Fibre Channel architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 3.3.2 Zoning considerations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 3.4 Host Bus Adapter (HBA) configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 3.4.1 General requirements for attaching a host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131 3.4.2 Downloading and installing a host adapter driver . . . . . . . . . . . . . . . . . . . . . . . . 132 3.4.3 BIOS configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134 3.4.4 Finding the QLogic WWPN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135 3.4.5 Configuring QLogic adapter for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 3.4.6 Configuring Emulex adapter for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143 3.5 DS8000 storage provisioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 3.5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 3.5.2 Configuring the LUN for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152 3.6 DS8000 Subsystem host creation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155 3.7 Installation of Microsoft Windows 2008 using SAN Boot . . . . . . . . . . . . . . . . . . . . . . 156 3.7.1 SAN Boot restriction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160 3.7.2 Best practices for Windows SAN Boot implementation. . . . . . . . . . . . . . . . . . . . 161 iv SAN Boot Implementation and Best Practices Guide for IBM System Storage
3.8 Installation of SUSE Linux Enterprise Server 11 SP 1 for SAN Boot . . . . . . . . . . . . . 162 3.8.1 Setting up a SUSE Linux host using SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . 162 3.8.2 Best practices and troubleshooting for SUSE 11 with SAN Boot . . . . . . . . . . . . 171 3.9 Installation of Red Hat Enterprise Server 5.5 for SAN Boot . . . . . . . . . . . . . . . . . . . . 173 3.9.1 Setting up a Red Hat Linux 5.5 host using SAN Boot. . . . . . . . . . . . . . . . . . . . . 173 3.9.2 Troubleshooting tips for Red Hat Linux 5.5 with SAN Boot. . . . . . . . . . . . . . . . . 178 3.10 Installation of AIX 6.1 for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 3.10.1 AIX requirements for installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181 3.10.2 Installing AIX 6.1 using a pre-existing installation. . . . . . . . . . . . . . . . . . . . . . . 182 3.10.3 New installation process for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185 3.10.4 New AIX installation with Network Installation Manager . . . . . . . . . . . . . . . . . . 189 3.10.5 Identifying the logical drive to hdisk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 3.10.6 AIX post installation tasks with DS8000 Subsystems best practices . . . . . . . . 194 3.11 Installation of VMware ESX 4.1 for SAN Boot. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196 3.11.1 Best practices and troubleshooting for VMware ESX 4.1 with SAN Boot . . . . . 201 3.11.2 Persistent binding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202 Chapter 4. SAN Boot implementation with IBM XIV System Storage. . . . . . . . . . . . . 203 4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204 4.2 SAN configuration planning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 4.2.1 Fibre Channel (FC) connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 4.2.2 Host FC HBA configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206 4.2.3 Identification of XIV FC ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217 4.2.4 FC fabric configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218 4.2.5 Zoning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219 4.3 XIV Management Tools and Support Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 4.3.1 XIV Management Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 4.3.2 Host Attachment Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 4.4 Logical configuration for host connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 4.4.1 Creating an XIV storage pool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 4.4.2 Creating an XIV Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223 4.4.3 Defining an XIV Host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224 4.4.4 Assigning an XIV Volume to an XIV Host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 4.4.5 Adding FC ports to the XIV Host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227 4.5 Installation of Microsoft Windows 2008 R2 for SAN Boot . . . . . . . . . . . . . . . . . . . . . . 229 4.5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229 4.5.2 Operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . 230 4.5.3 Post operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . 231 4.6 Installation of ESXi 4.x for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 4.6.1 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234 4.6.2 Operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 4.6.3 Post operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . 235 4.6.4 Verification of FC Multipath Connectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 4.7 Installation of SUSE Linux Enterprise Server 11 for SAN Boot. . . . . . . . . . . . . . . . . . 238 4.7.1 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238 4.7.2 Operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 4.7.3 Post operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . 248 4.8 Installation of Red Hat Enterprise Linux 5.5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 4.8.1 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 4.8.2 Operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . 251 4.8.3 Post operating system installation considerations . . . . . . . . . . . . . . . . . . . . . . . 255 4.9 Installation of AIX 6.1 for SAN Boot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 4.9.1 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258 Contents v
Page 1: ibm.com/redbooks Front cover SAN Bo
Page 4 and 5: Note: Before using this information
Page 8 and 9: 4.9.2 Activating and installing the
Page 10 and 11: viii SAN Boot Implementation and Be
Page 12 and 13: Trademarks IBM, the IBM logo, and i
Page 14 and 15: Scott Dybas is a Senior Software En
Page 16 and 17: xiv SAN Boot Implementation and Bes
Page 18 and 19: 1.1 What SAN Boot is SAN Boot is a
Page 20 and 21: IBM System Storage devices use pers
Page 22 and 23: 1.5 What switch zoning is Zoning is
Page 24 and 25: 1.6.3 iSCSI HBA A storage unit is a
Page 26 and 27: Using software initiators offers th
Page 28 and 29: 1.7.1 Basic concepts Multiple LUNs
Page 30 and 31: 5. Boot into the host server system
Page 32 and 33: Concepts Thin provisioning provides
Page 34 and 35: 1.8.2 Data protection and retention
Page 36 and 37: 20 SAN Boot Implementation and Best
Page 38 and 39: 2.1 DS5000 overview The DS5000 seri
Page 40 and 41: ► Controller-based software: - St
Page 42 and 43: 4. Select Do not Automatically Star
Page 44 and 45: 8. As shown in Figure 2-7, enter th
Page 46 and 47: 3. Select Planar SAS from the next
Page 48 and 49: 2. Select System Settings from the
Page 50 and 51: 3. Select Configuration Settings as
Page 52 and 53: Figure 2-20 Scan for Fibre Devices
Page 54 and 55: 3. Select Selectable Boot Settings
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7. Verify that all the information
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2. We need to add the second storag
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4. Now enter 1 and press Enter as s
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8. Next we see the storage subsyste
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3. On the next panel, enter 01 and
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2.7.2 Adding a second path to the E
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2. When you click your storage subs
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4. Next we select the RAID level, p
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Figure 2-54 Creating the logical dr
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6. After the logical drive is creat
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4. We must now define the host port
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7. You are asked if this host will
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Figure 2-69 Assigning the LUN to th
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2. You can see a window, Manage Hos
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5. Now that you have the second pat
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2. To execute a script on the stora
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5. When the script completes, the r
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2. If the driver is found, it will
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Tip: The rest of the installation p
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2.9.4 Windows 2008 R2 SP1 Multipath
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5. We can also check the volume inf
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2.10.1 Installation steps We are go
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4. After clicking Hard Disks, we cl
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10.We now need to update the SUSE L
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13.When we are in the Boot Loader D
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We are going to install RHEL 5.5 se
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Figure 2-112 Customizing the Softwa
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Tip: Note the name of the new mpp i
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Tip: Make sure that you reboot the
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2.12 FC SAN Boot implementation for
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5. Confirm the ESXi installation by
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3. Verify drive size and click the
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You can find more information about
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5. Clean up the alternate disk volu
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d. Select Activate. The Activate Pa
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Example 2-13 Checking Storage WWPN
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NIM preparations We assume that the
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12.Be sure that the partition alrea
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The output of this comman, as shown
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4. Select your AIX version. The Fix
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3.1 DS8000 overview This section in
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Figure 3-1 IBM System Storage DS880
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Figure 3-3 DS8800 base frame with t
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3.2.3 DS command line interface for
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Select the DS8000 Subsystem and lau
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3.3.1 Fibre Channel architecture Fi
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3.4.2 Downloading and installing a
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3.4.3 BIOS configuration The first
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5. Select Configuration Settings, a
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6. From the Configuration Settings
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11.Change Selectable Boot Settings
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17.During POST, you see QLogic repo
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5. Press Ctrl-E or Alt-E to access
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Figure 3-31 shows the option to ena
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13.A new panel will ask you to sele
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Figure 3-39 Select DVD to install O
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Logical subsystem A logical subsyst
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3. Create the Volume Group to recei
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4. Start your machine and check if
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Figure 3-49 Installing Windows 2008
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e. After rebooting the server, chec
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Redundancy: Avoiding a single point
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12.Choose the Server Base Scenario
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14.Click Partitioning and then Cust
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Figure 3-62 Creating root partition
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19.Click the Install button to init
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3. Edit the /etc/sysconfig/kernel,
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8. Choose the language and click OK
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17.Decide if you want to include ad
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21.After finishing the Red Hat inst
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INITRD_MODULES="processor thermal a
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Implementation possibilities Implem
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5. Clean up the alternate disk volu
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Activating and installing the parti
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2 hdisk17 ...-W50050768014052D1-LA0
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► The NIM server is properly conf
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12.Be sure that the partition alrea
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Example 3-17 mpio_get_config -Av ou
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5. Check the configuration as shown
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11.Confirm the Install options by p
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16.To check the multipaths and the
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Tip: For /var/log, a separate parti
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4.1 Overview The XIV Storage System
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4.2.2 Host FC HBA configuration For
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5. The Adapter Settings menu is dis
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11.Select the boot LUN (in our case
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Figure 4-12 Emulex configuration pa
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7. After the BIOS has been enabled,
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12.After the Boot Entry confirmatio
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However, as seen in Figure 4-23, it
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Zoning guidelines There are many fa
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Important: For the host system to e
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If a new volume is to be created, E
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4.4.4 Assigning an XIV Volume to an
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To perform the same operation from
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Attention: For the installation of
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2. After xpyv is installed, the XIV
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At this point, your Windows host sh
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Figure 4-45 VMware VSphere client:
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For additional XIV considerations,
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Figure 4-49 illustrates the “Prep
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The tool asks for confirmation and
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After the Expert Partitioner panel
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Figure 4-55 displays the default Bo
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Figure 4-57 shows the SUSE Linux En
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Press [ENTER] to proceed. Would you
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Figure 4-59 illustrates how the mul
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Figure 4-61 illustrates the boot lo
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Optional OS packages (iSCSI support
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4.9 Installation of AIX 6.1 for SAN
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ii. By typing 77 two times, you can
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4.9.3 Post operating system install
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The following sections outline some
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Example 4-25 shows the output when
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Figure 4-67 MPIO Policy - Round Rob
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270 SAN Boot Implementation and Bes
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5.1 What storage virtualization is
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SAN Volume Controller offers these
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SAN Volume Controller 2145-8A4 Stor
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Enclosures with 24 slots for 2.5-in
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Figure 5-8 shows the recommended ca
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To log in to an IBM SAN Volume Cont
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The functions used in the SAN Boot
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5.3.1 Considerations before setting
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► Host zone: Create a host zone f
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Attention: To create a system (clus
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Cluster characteristics: ► In SAN
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IBM Storwize V7000 RAID configurati
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Figure 5-16 Available MDisks Tip: A
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After creating storage pools, the f
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Creating a generic volume We choose
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5.4.6 Creating Fiber Channel hosts
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Figure 5-27 Select host-port The dr
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5.4.7 Mapping SAN Boot volume to th
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3. Add the desired WWPN to the righ
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Figure 5-38 Node connectivity Verif
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5.5 Host configuration In this sect
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4. Select Configuration Settings, a
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Figure 5-47 Scan Fibre Devices Tip:
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9. Change Selectable Boot Settings
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During POST, you can see QLogic rep
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2. Select the adapter that you want
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5.5.4 Configuring an Emulex adapter
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Figure 5-66 Scan Fibre Devices Tip:
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12.During post, after Emulex banner
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Tip: Before setting up SAN Boot for
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7. Browse to the source (media) of
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5.7.1 Multipath I/O Figure 5-77 Ins
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4. After the setup completes, you a
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► You can also verify that SDDDSM
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Perform the following steps to migr
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3. Select the Remote volume (2145 f
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Figure 5-91 vSphere Login To manage
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3. You can verify the multipathing
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5.9.1 SAN Boot using SUSE Linux Ent
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6. Set the clock and time zone. Nex
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8. Click the Partitioning link to c
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10.You see a confirmation dialogue
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14.Change the Boot loader to reflec
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16.Click Ok. Now the installer will
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5. Click Next to proceed with the i
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The next window displays additional
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8. Select Review and modify partiti
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10.Select TimeZone and click Next.
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12.Click Next to start the installa
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14.The server will boot off of the
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Example 5-3 multipathd command line
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5.10 SAN Boot for AIX You can SAN B
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8. Select 2 for IPL Configuration M
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12.After the correct IP parameters
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16.Select 2 for Normal Mode Boot, a
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10.Press 5 key to Select Boot Optio
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14.Proceed with Normal Boot, as sho
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3. Press 2 to Change/Show Installat
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7. If you do not see the disk that
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11.Press 1 to start the installatio
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5.10.5 SDDPCM 7. After the system f
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394 SAN Boot Implementation and Bes
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6.1 iSCSI overview The Internet Sma
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6.1.2 iSCSI target 6.1.3 Nodes 6.1.
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6.2 iSCSI and DS5000 storage subsys
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6.4 Step-by-step iSCSI SAN Boot imp
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3. Disable any onboard or internal
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3. From the Fast!UTIL Options windo
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Figure 6-10 Initiator IP Settings 6
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9. Change the Adapter Boot Mode to
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3. You are presented with a panel f
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6. You are presented with a confirm
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c. A wizard will guide you through
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2. Next, we create the host definit
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c. In the next window, we specify t
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Figure 6-30 Select Host type f. Fin
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. In the Define Additional Mapping
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2. From the Add Host Port Identifie
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3. From the Fast!UTIL Options windo
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6.5 Operating system installation A
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4. The next window displays additio
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Figure 6-47 Master Boot Record (MBR
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7. Follow the installation wizard u
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Figure 6-51 SUSE Linux Enterprise S
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5. The next panel displays the iSCS
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Figure 6-56 Installation Settings 8
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Example 6-1 multipathd command line
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Example 6-3 Output of multipath -ll
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6.5.5 Failover/failback verificatio
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multipath -ll output does not show
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Online resources Help from IBM Thes
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discovery order 202 Disk Mirroring
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M Maintenance menu 187 Manage Host
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Switched-fabric 8, 130 switches 286
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