VessRAID Setup - Promise Technology, Inc.

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<strong>VessRAID</strong> 1000i Series Product Manual RAID 50 – Striping of Distributed Parity RAID 50 combines both RAID 5 and RAID 0 features. Data is striped across physical drives as in RAID 0, and it uses distributed parity as in RAID 5. RAID 50 provides data reliability, good overall performance, and supports larger volume sizes. Figure 7. RAID 50 is a combination of RAID 5 and RAID 0 Data Stripes Distributed Parity Disk Drives The data capacity RAID 50 logical drive equals the capacity of the smallest physical drive times the number of physical drives, minus two. RAID 50 also provides very high reliability because data is still available even if multiple physical drives fail (one in each axle). The greater the number of axles, the greater the number of physical drives that can fail without the RAID 50 logical drive going offline. Component Minimum Maximum Number of Axles 2 16 Physical Drives per Axle 3 32 Physical Drives per Logical Drive 6 256 252 Axle 1 Axle 2
RAID 50 Axles 253 Chapter 8: <strong>Technology</strong> Background When you create a RAID 50, you must specify the number of axles. An axle refers to a single RAID 5 logical drive that is striped with other RAID 5 logical drives to make RAID 50. An axle can have from 3 to 16 physical drives, depending on the number of physical drives in the logical drive. The chart below shows RAID 50 logical drives with 6 to 16 physical drives, the available number of axles, and the resulting distribution of physical drives on each axle. No. of Drives No. of Axles RAID 50 Logical Drive Drives per Axle No. of Drives No. of Axles Drives per Axle 6 2 3,3 14 2 7,7 7 2 3,4 3 4,5,5 8 2 4,4 4 3,3,4,4 9 2 4,5 15 2 7,8 3 3,3,3 3 5,5,5 10 2 5,5 4 3,4,4,4 3 3,3,4 5 3,3,3,3,3 11 2 5,6 16 2 8,8 3 3,4,4 3 5,5,6 12 2 6,6 4 4,4,4,4 3 4,4,4 5 3,3,3,3,4 4 3,3,3,3 13 2 6,7 3 4,4,5 4 3,3,3,4
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VessRAID 1720i, 1730i, 1740i, 1820i
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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 6: Management
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xv Contents Chapter 9: Troubleshoot
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Chapter 1: Introduction to VessRAID
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Architectural Description 3 Chapter
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5 Chapter 1: Introduction to VessRA
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Dimensions (H x W x D) 1840i: 13 x
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Chapter 2: VessRAID Installation Th
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Figure 3. VessRAID 1830i rear view
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Mounting VessRAID in a Rack 13 Chap
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Installing Disk Drives 15 Chapter 2
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Installing Your Disk Drives 17 Chap
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19 Chapter 2: VessRAID Installation
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21 Chapter 2: VessRAID Installation
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Setting Up Serial Cable Connections
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Controller LEDs 25 Chapter 2: VessR
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Chapter 3: VessRAID Setup This chap
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Setting up with the CLI 29 Chapter
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Setting up with the CLU 1. At the a
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Setting up with the LCD 33 Chapter
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Creating Disk Arrays with WebPAM PR
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Selecting a Language 37 Chapter 3:
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Express 39 Chapter 3: VessRAID Setu
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41 Chapter 3: VessRAID Setup 5. Spe
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Chapter 4: Management with WebPAM P
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Figure 1. WebPAM PROe log-in screen
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There are four major parts to the g
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49 Chapter 4: Management with WebPA
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Working with the Storage Network 51
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Setting an Alias for the Subsystem
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8. Enter the new password in the Re
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Managing the Network Connection 67
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Managing iSCSI Connections 69 Chapt
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Deleting CHAPs 75 Chapter 4: Manage
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Managing Software Services Software
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Starting or Restarting SLP service
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Starting or Restarting Telnet servi
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Adding Netsend recipients 85 Chapte
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Exporting the User Database 87 Chap
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Shutting Down the Subsystem 91 Chap
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Starting Up After Shutdown 93 Chapt
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Managing the Controller 95 Chapter
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Managing Enclosures 99 Chapter 4: M
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101 Chapter 4: Management with WebP
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Reconditioning a Battery 103 Chapte
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Managing Physical Drives 105 Chapte
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Managing UPS Units 111 Chapter 4: M
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Viewing UPS Information 113 Chapter
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Creating a Logical Drive 121 Chapte
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To start Media Patrol: 1. Click the
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Managing Logical Drives 127 Chapter
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Viewing Logical Drive Statistics To
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Managing Spare Drives 133 Chapter 4
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Chapter 5: Management with the CLU
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Making a Telnet Connection 141 Chap
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143 Chapter 5: Management with the
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Managing the Subsystem Subsystem Ma
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Managing the Controller Controller
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Figure 4. Controller Status LED Con
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Locating a Power Supply 151 Chapter
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Managing Physical Drives Physical D
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Creating a Disk Array - Automatic 1
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Creating a Disk Array - Advanced 16
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Managing Spare Drives Spare Drive M
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Deleting a Spare Drive 171 Chapter
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Managing the Network Connection 175
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Managing iSCSI Connections 177 Chap
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• 181 Chapter 5: Management with
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Deleting CHAPs 183 Chapter 5: Manag
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Making UPS Settings 191 Chapter 5:
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Managing Users 193 Chapter 5: Manag
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6. Press Ctrl-A to save the setting
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Making SLP Settings 197 Chapter 5:
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6. Press Ctrl-A to save your settin
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Page 219 and 220: Restoring Factory Defaults 203 Chap
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Page 223 and 224: Restarting the Subsystem 207 Chapte
Page 225 and 226: Making Buzzer Settings 209 Chapter
Page 227 and 228: Chapter 6: Management with the LCD
Page 229 and 230: Advanced Mode 213 Perusing the Inte
Page 231 and 232: Automatic IP Settings 215 Managing
Page 233 and 234: Managing Enclosures 217 Managing En
Page 235 and 236: 219 Managing Disk Arrays 6. Press t
Page 243 and 244: 227 Managing Disk Arrays You must d
Page 245 and 246: 229 Managing Spare Drives 2. Press
Page 247 and 248: Chapter 7: Maintenance This chapter
Page 249 and 250: 233 Chapter 7: Maintenance 6. Enter
Page 251 and 252: Restarting Subsystem over a Telnet
Page 253 and 254: Replacing a RAID Controller 237 Cha
Page 255 and 256: Figure 3. RAID Controller cover and
Page 257 and 258: 241 Chapter 7: Maintenance 4. Lay t
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Page 261 and 262: Chapter 8: Technology Background Th
Page 263 and 264: RAID 1 - Mirror 247 Chapter 8: Tech
Page 265 and 266: RAID 5 - Block and Parity Stripe 24
Page 267: RAID 10 - Mirror / Stripe 251 Chapt
Page 271 and 272: RAID 60 Axles 255 Chapter 8: Techno
Page 273 and 274: RAID 1E Recommended Applications fo
Page 275 and 276: Choosing Stripe Size 259 Chapter 8:
Page 277 and 278: Read Cache Policy 261 Chapter 8: Te
Page 279 and 280: 263 Chapter 8: Technology Backgroun
Page 281 and 282: RAID 0 265 Chapter 8: Technology Ba
Page 283 and 284: RAID 5 267 Chapter 8: Technology Ba
Page 285 and 286: RAID 50 269 Chapter 8: Technology B
Page 289 and 290: Transition 273 Chapter 8: Technolog
Page 293 and 294: Chapter 9: Troubleshooting This cha
Page 295 and 296: LEDs 279 Chapter 9: Troubleshooting
Page 297 and 298: Figure 5. VessRAID Controller LEDs
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Page 301 and 302: 285 Chapter 9: Troubleshooting To s
Page 303 and 304: LCD Panel Reports a Problem 287 Cha
Page 305 and 306: Event Notification Response 289 Cha
Page 307 and 308: Reported Event Corrective Action 29
Page 309 and 310: Reported Event Corrective Action Ho
Page 313 and 314: Reported Event Corrective Action Ph
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• The Disk Status LED changes fro
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Incomplete Array 305 Chapter 9: Tro
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307 Chapter 9: Troubleshooting You
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Enclosure 309 Chapter 9: Troublesho
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Connection Problems 311 Chapter 9:
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Figure 18.iSCSI port connection Lin
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315 Chapter 9: Troubleshooting The
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Chapter 10: Support • Frequently
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How can I be sure everything is wor
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Italy Taiwan E-mail Support e-Suppo
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Limited Warranty 323 Chapter 10: Su
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Returning the Product For Repair 32
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Index Numerics 10GB Truncate 97, 14
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disk array, cont. status critical 1
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K KCC statement 8 L LCD panel advan
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N Netsend event reporting to Window
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eleasing lock 61, 146 renewing lock
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T Table Rounding 97, 148, 262 Techn
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