VTrak E-Class Product Manual - Promise Technology, Inc.

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VTrak E-Class Product Manual Choosing a RAID Level There are several issues to consider when choosing the RAID Level for your VTrak disk array. The following discussion summarizes some advantages, disadvantages, and applications for each choice. RAID 0 Recommended Applications for RAID 0 • Image Editing • Pre-Press Applications • Any application requiring high bandwidth RAID 1 Advantages Disadvantages Implements a striped disk array, the data is broken down into blocks and each block is written to a separate disk drive I/O performance is greatly improved by spreading the I/O load across many channels and drives No parity calculation overhead is involved Recommended Applications for RAID 1 • Accounting • Payroll • Financial • Any application requiring very high availability 242 Not a true RAID because it is not faulttolerant The failure of just one drive will result in all data in an disk array being lost Should not be used in mission critical environments Advantages Disadvantages Simplest RAID storage subsystem design Can increase read performance by processing data requests in parallel since the same data resides on two different drives Very high disk overhead - uses only 50% of total capacity
RAID 1E Recommended Applications for RAID 1E • Imaging applications • Database servers • General fileserver RAID 5 Recommended Applications for RAID 5 RAID 6 Recommended Applications for RAID 6 • Accounting and Financial • Database servers • Any application requiring very high availability 243 Chapter 7: Technology Background Advantages Disadvantages Implemented as a mirrored disk array whose segments are RAID 0 disk arrays High I/O rates are achieved thanks to multiple stripe segments Can use an odd number of disks Very high disk overhead - uses only 50% of total capacity Advantages Disadvantages High Read data transaction rate Medium Write data transaction rate Good aggregate transfer rate • File and Application servers • WWW, E-mail, and News servers Disk failure has a medium impact on throughput • Intranet servers • Most versatile RAID level Advantages Disadvantages High Read data transaction rate Medium Write data transaction rate Good aggregate transfer rate Safest RAID level, except for RAID 60 High disk overhead – equivalent of two drives used for parity Slightly lower performance than RAID 5
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VTRAK E-Class E610f, E610s, E310f,
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Contents Chapter 1: Introduction to
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v Contents Chapter 4: Management wi
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vii Contents Chapter 4: Management
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ix Contents Chapter 5: Management w
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xi Contents Chapter 5: Management w
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xiii Contents Chapter 7: Technology
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Chapter 1: Introduction to VTrak Th
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Figure 3. VTrak E610f rear view RAI
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5 Chapter 1: Introduction to VTrak
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LUN Masking and Mapping: Supports m
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9 Chapter 1: Introduction to VTrak
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Chapter 2: VTrak Installation This
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13 Chapter 2: VTrak Installation 4.
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15 Chapter 2: VTrak Installation Th
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Installing Disk Drives 17 Chapter 2
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Figure 8. Disk drive mounting holes
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21 Chapter 2: VTrak Installation Ma
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23 Chapter 2: VTrak Installation Fi
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Figure 15.JBOD expansion with no si
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Configuring Direct Attached Storage
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29 Chapter 2: VTrak Installation Fi
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Figure 21. JBOD expansion with no s
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Connecting the Power 33 Chapter 2:
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Chapter 3: VTrak Setup This chapter
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Setting up VTrak with the CLI 37 Ch
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Setting up VTrak with the CLU 1. At
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41 Chapter 3: Setup Making Manual S
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3. When the log-in screen (Figure 2
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Automatic 45 Chapter 3: Setup When
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Advanced 47 Note Chapter 3: Setup F
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Using WebPAM PROe over the Internet
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Chapter 4: Management with WebPAM P
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Figure 1. The WebPAM PROe log-in sc
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Perusing the Interface 55 Chapter 4
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Using Tree View 57 Chapter 4: Manag
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Logging out of WebPAM PROe There ar
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Working with Subsystems 61 Chapter
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63 Chapter 4: Management with WebPA
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Viewing NVRAM Events 65 Chapter 4:
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Scheduling an Activity 69 Chapter 4
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9. Click the Submit button. Creatin
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Managing the Network Connection 77
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Managing Fibre Channel Connections
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Port Setting Information 81 Chapter
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Managing Storage Services 87 Chapte
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Making Telnet Settings 93 Chapter 4
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Changing the Startup Setting 95 Cha
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Deleting Netsend Recipients 97 Chap
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Importing a User Database 99 Chapte
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Restoring Factory Defaults 101 Chap
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Shutting Down the Subsystem 103 Cha
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Managing Controllers 105 Chapter 4:
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Upgradable items You can upgrade th
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109 Chapter 4: Management with WebP
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Figure 11. VTrak E610f and E610s fr
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• Enclosure Warning Temperature T
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Clearing Stale and PFA Conditions 1
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Managing Disk Arrays Disk Array Man
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• Media Patrol - Enabled or disab
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Deleting a Logical Drive To delete
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To prepare a disk array for transpo
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11. Click the Submit button. Initia
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Managing Spare Drives 141 Chapter 4
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Deleting Spare Drive 143 Chapter 4:
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Chapter 5: Management with the CLU
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Figure 4. The CLU main menu 149 Cha
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Running Quick Setup 151 Chapter 5:
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153 Chapter 5: Management with the
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Managing the Controllers Controller
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Locating the Controller 157 Chapter
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Locating a Power Supply 159 Chapter
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Setting an Alias 163 Chapter 5: Man
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Managing Disk Arrays Disk Array Man
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Creating a Disk Array - Express 167
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Managing the Network Connection 179
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Managing Fibre Channel Connections
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Viewing SAS Port Statistics 185 Cha
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Page 205 and 206: 191 Chapter 5: Management with the
Page 207 and 208: Working with LUN Mapping LUN Mappin
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Page 211 and 212: List of User Privileges 197 Chapter
Page 213 and 214: Working with Software Management So
Page 215 and 216: Making Telnet Settings 201 Chapter
Page 217 and 218: Making CIM Settings 203 Chapter 5:
Page 219 and 220: 205 Chapter 5: Management with the
Page 221 and 222: Clearing Statistics 207 Chapter 5:
Page 223 and 224: Shutting Down the Subsystem 209 Cha
Page 225 and 226: Restarting the Subsystem 211 Chapte
Page 227 and 228: Chapter 6: Maintenance This chapter
Page 229 and 230: 215 Chapter 6: Maintenance 8. When
Page 231 and 232: 217 Chapter 6: Maintenance 1. From
Page 233 and 234: Figure 2. Replacing an E310f/s powe
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Page 241 and 242: Figure 19. Removing the battery ass
Page 243 and 244: Single Controller Subsystem Removin
Page 245 and 246: Chapter 7: Technology Background Th
Page 247 and 248: RAID 1 - Mirror 233 Chapter 7: Tech
Page 249 and 250: RAID 5 - Block and Parity Stripe 23
Page 251 and 252: RAID 10 - Mirror + Stripe 237 Chapt
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Page 255: RAID 60 Array No. of Drives No. of
Page 259 and 260: Choosing Stripe Size 245 Chapter 7:
Page 261 and 262: Read Cache Policy 247 Chapter 7: Te
Page 271 and 272: Transition 257 Chapter 7: Technolog
Page 273 and 274: Automatic Transition 259 Chapter 7:
Page 275 and 276: Chapter 8: Troubleshooting This cha
Page 277 and 278: LEDs Display Amber or Red Front Pan
Page 279 and 280: LEDs Power/ Activity Status Dark No
Page 281 and 282: Figure 6. Battery and Fan LEDs (lef
Page 283 and 284: CLU Reports a Problem 269 Chapter 8
Page 285 and 286: WebPAM PROe Reports a Problem 271 C
Page 287 and 288: Also see these troubleshooting topi
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Page 291 and 292: Reported Event Corrective Action Di
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Page 295 and 296: Reported Event Corrective Action On
Page 297 and 298: Reported Event Corrective Action PS
Page 299 and 300: Reported Event Corrective Action Re
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Page 303 and 304: Critical & Offline Disk Arrays 289
Page 305 and 306: Figure 13.Drive carrier LEDs 291 Ch
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Physical Drive Problems Physical Dr
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Enclosure Problems 295 Chapter 8: T
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Power Supplies Battery 297 Chapter
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Connection Problems 299 Chapter 8:
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301 Chapter 8: Troubleshooting Brow
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Chapter 9: Support This chapter cov
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How can I be sure everything is wor
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Taiwan E-mail Support e-Support On-
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309 Chapter 9: Support No other doc
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Appendix A: Useful Information The
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Installing a Second Cache Battery 3
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Index Numerics 10GB Truncate 108, 1
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delete disk array 125, 169 initiato
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information, cont. physical drive 1
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offline, cont. physical drive 119,
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eported events, cont. logical drive
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system reported event 287 T Table R
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