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

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Zoning guidelines There are many factors that affect zoning, such as host type, number of HBAs, HBA driver, operating system, and applications. Therefore, it is not possible to provide a solution to cover every situation. The following list gives some guidelines, which can help you to avoid reliability or performance problems. However, you also need to review documentation regarding your hardware and software configuration for any specific factors that must be considered: ► Each zone (excluding those for SAN Volume Controller (SVC)) must have one initiator HBA (the host) and multiple target HBAs (the XIV Storage System). ► Each host (excluding SVC) must have two paths per HBA unless there are other factors dictating otherwise. ► Each host must connect to ports from at least two interface modules. ► Do not mix disk and tape traffic on the same HBA or in the same zone. For more in-depth information about SAN zoning, see the IBM Redbooks publication, Introduction to Storage Area Networks, SG24-5470. An example of soft zoning using the “single initiator - multiple targets” method is illustrated in Figure 4-25. IBM XIV Storage System ...190 ...191 ...192 ...193 ...180 ...182 ...181 ...183 ...170 ...171 ...160 ...161 ...150 ...151 ...140 ...141 ...172 ...173 ...162 ...163 ...152 ...153 ...142 ...143 Patch Panel SAN Fabric 1 Network Figure 4-25 FC SAN zoning: single initiator - multiple target Attention: Use a single initiator and multiple target zoning scheme. Do not share a host HBA for disk and tape access. Zoning considerations also include spreading the I/O workload evenly between the different interfaces. For example, for a host equipped with two single port HBAs, you must connect one HBA port to one port on modules 4,5,6, and the second HBA port to one port on modules 7,8,9. FCP 220 SAN Boot Implementation and Best Practices Guide for IBM System Storage 2 1 SAN Fabric 2 4 3 HBA 1 WWPN HBA 2 WWPN HBA 1 WWPN HBA 2 WWPN Hosts Hosts 1 Hosts 2
4.3 XIV Management Tools and Support Tools The following management and support tools are available for XIV systems. 4.3.1 XIV Management Tools To facilitate the configuration and monitoring of one or more XIV systems, IBM provides XIV Management Tools. IBM XIV Management Tools include the following options: ► IBM XIV Graphical User Interface (XIVGUI) ► IBM XIV Command Line Interface (XCLI) ► IBM XIV Online Monitoring Tool (XIVTop) XIV Management Tools can be downloaded from the following website: http://www.ibm.com/support/search.wss?q=ssg1*&tc=STJTAG+HW3E0&rs=1319&dc=D400&dtm 4.3.2 Host Attachment Kits Starting with version 10.1.x of the XIV system software, IBM also provides updates to all of the Host Attachment Kits (version 1.1 or later). It is mandatory to install the Host Attachment Kit to be able to get support from IBM, even if it might not be technically necessary for some operating systems. Host Attachment Kits (HAKs) are built on a Python framework with the intention of providing a consistent look and feel across various operating system (OS) platforms. The following features are included: ► Provides backwards compatibility with versions 10.0.x of the XIV system software ► Validates patch and driver versions ► Sets up multipathing ► Adjusts system tunable parameters (if required) for performance ► Provides installation wizard ► Includes management utilities ► Includes support and troubleshooting utilities Host Attachment Kits can be downloaded from the following website: http://www.ibm.com/support/search.wss?q=ssg1*&tc=STJTAG+HW3E0&rs=1319&dc=D400&dtm 4.4 Logical configuration for host connectivity This section describes the tasks required to define a volume (LUN) and assign it to a host: 1. Create a storage pool. 2. Create a volume within the storage pool. 3. Define a host. 4. Map the volume to the host. 5. Add FC ports to the host. Chapter 4. SAN Boot implementation with IBM XIV System Storage 221
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ibm.com/redbooks Front cover SAN Bo
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Note: Before using this information
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2.8.4 Creating a host on DS5000 ser
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4.9.2 Activating and installing the
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viii SAN Boot Implementation and Be
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Trademarks IBM, the IBM logo, and i
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Scott Dybas is a Senior Software En
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xiv SAN Boot Implementation and Bes
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1.1 What SAN Boot is SAN Boot is a
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IBM System Storage devices use pers
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1.5 What switch zoning is Zoning is
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1.6.3 iSCSI HBA A storage unit is a
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Using software initiators offers th
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1.7.1 Basic concepts Multiple LUNs
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5. Boot into the host server system
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Concepts Thin provisioning provides
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1.8.2 Data protection and retention
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20 SAN Boot Implementation and Best
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2.1 DS5000 overview The DS5000 seri
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► Controller-based software: - St
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4. Select Do not Automatically Star
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8. As shown in Figure 2-7, enter th
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3. Select Planar SAS from the next
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2. Select System Settings from the
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3. Select Configuration Settings as
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Figure 2-20 Scan for Fibre Devices
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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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Page 190 and 191: 8. Choose the language and click OK
Page 192 and 193: 17.Decide if you want to include ad
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Page 196 and 197: INITRD_MODULES="processor thermal a
Page 198 and 199: Implementation possibilities Implem
Page 200 and 201: 5. Clean up the alternate disk volu
Page 202 and 203: Activating and installing the parti
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Page 206 and 207: ► The NIM server is properly conf
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Page 210 and 211: Example 3-17 mpio_get_config -Av ou
Page 212 and 213: 5. Check the configuration as shown
Page 214 and 215: 11.Confirm the Install options by p
Page 216 and 217: 16.To check the multipaths and the
Page 218 and 219: Tip: For /var/log, a separate parti
Page 220 and 221: 4.1 Overview The XIV Storage System
Page 222 and 223: 4.2.2 Host FC HBA configuration For
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Page 228 and 229: Figure 4-12 Emulex configuration pa
Page 230 and 231: 7. After the BIOS has been enabled,
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Page 234 and 235: However, as seen in Figure 4-23, it
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Page 240 and 241: If a new volume is to be created, E
Page 242 and 243: 4.4.4 Assigning an XIV Volume to an
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Page 246 and 247: Attention: For the installation of
Page 248 and 249: 2. After xpyv is installed, the XIV
Page 250 and 251: At this point, your Windows host sh
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Page 254 and 255: For additional XIV considerations,
Page 256 and 257: Figure 4-49 illustrates the “Prep
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Page 260 and 261: After the Expert Partitioner panel
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Page 266 and 267: Press [ENTER] to proceed. Would you
Page 268 and 269: Figure 4-59 illustrates how the mul
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Page 272 and 273: Optional OS packages (iSCSI support
Page 274 and 275: 4.9 Installation of AIX 6.1 for SAN
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Page 278 and 279: 4.9.3 Post operating system install
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Page 282 and 283: Example 4-25 shows the output when
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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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SAN Boot Implementation and Best Pr
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