Owner's Manual
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... Write-Through Cache 34 4 Planning: MD3200 Series Storage Array Terms and Concepts 35 Physical Disks, Virtual Disks, and Disk Groups . . . . . 35 Physical Disks 36 Physical Disk States 36 Self-Monitoring Analysis and Reporting Technology 37 Virtual Disks and Disk Groups 37 Virtual Disk States 38 RAID Levels 38 RAID Level Usage 39 Segment Size 41...
... Write-Through Cache 34 4 Planning: MD3200 Series Storage Array Terms and Concepts 35 Physical Disks, Virtual Disks, and Disk Groups . . . . . 35 Physical Disks 36 Physical Disk States 36 Self-Monitoring Analysis and Reporting Technology 37 Virtual Disks and Disk Groups 37 Virtual Disk States 38 RAID Levels 38 RAID Level Usage 39 Segment Size 41...
Owner's Manual
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Virtual Disk Operations Limit 43 Disk Group Operations 43 RAID Level Migration 43 Segment Size Migration 43 Virtual Disk Capacity Expansion 44 Disk Group Expansion 44 Disk Group Defragmentation 45 Disk Group Operations Limit 45 RAID Background Operations Priority 45 Virtual Disk Migration and Disk Roaming 46 Disk Migration 46 Disk Roaming 48 Advanced... Snapshot and Disk Copy Together. . . . . . 52 Multi-Path Software 52 Preferred and Alternate Controllers and Paths 53 Virtual Disk Ownership 53 Load Balancing 54 Monitoring MD3200 Series System Performance . . . . 55 Contents 5
Virtual Disk Operations Limit 43 Disk Group Operations 43 RAID Level Migration 43 Segment Size Migration 43 Virtual Disk Capacity Expansion 44 Disk Group Expansion 44 Disk Group Defragmentation 45 Disk Group Operations Limit 45 RAID Background Operations Priority 45 Virtual Disk Migration and Disk Roaming 46 Disk Migration 46 Disk Roaming 48 Advanced... Snapshot and Disk Copy Together. . . . . . 52 Multi-Path Software 52 Preferred and Alternate Controllers and Paths 53 Virtual Disk Ownership 53 Load Balancing 54 Monitoring MD3200 Series System Performance . . . . 55 Contents 5
Owner's Manual
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... and Removing Host-to-Virtual Disk Mapping 118 Changing Controller Ownership of the Virtua l Disk 119 Removing Host-to-Virtual Disk Mapping . . . . . 120 Changing the RAID Controller Module Ownership of a Disk Group 121 Changing the RAID Level of a Disk Group . . . . 122 8 Contents
... and Removing Host-to-Virtual Disk Mapping 118 Changing Controller Ownership of the Virtua l Disk 119 Removing Host-to-Virtual Disk Mapping . . . . . 120 Changing the RAID Controller Module Ownership of a Disk Group 121 Changing the RAID Level of a Disk Group . . . . 122 8 Contents
Owner's Manual
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... the Simple Path 137 Creating a Snapshot Virtual Disk Using the Advanced Path 140 Contents 9 Restricted Mappings 122 Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk Group 124 Changing the RAID Level of a Disk Group 125 Storage Partitioning 126 Disk Group and Virtual Disk Expansion 128 Disk Group Expansion 128 Virtual...
... the Simple Path 137 Creating a Snapshot Virtual Disk Using the Advanced Path 140 Contents 9 Restricted Mappings 122 Changing the RAID Controller Module Ownership of a Virtual Disk or a Disk Group 124 Changing the RAID Level of a Disk Group 125 Storage Partitioning 126 Disk Group and Virtual Disk Expansion 128 Disk Group Expansion 128 Virtual...
Owner's Manual
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...Storage Arrays. 4 Planning: MD3200 Series Storage Array Terms and Concepts This chapter explains terms and concepts used for configuration and operation of physical disks supported in a disk group is 96 drives for RAID 0, RAID 1, and RAID10, and 30 drives for RAID 5 and RAID 6. Physical Disks, Virtual Disks...is recognized by the host operating system. A virtual disk consists of the physical disks in a disk group support the same RAID level. Planning: MD3200 Series Storage Array Terms and Concepts 35 For example, you can create disk groups from all physical disks in your storage ...
...Storage Arrays. 4 Planning: MD3200 Series Storage Array Terms and Concepts This chapter explains terms and concepts used for configuration and operation of physical disks supported in a disk group is 96 drives for RAID 0, RAID 1, and RAID10, and 30 drives for RAID 5 and RAID 6. Physical Disks, Virtual Disks...is recognized by the host operating system. A virtual disk consists of the physical disks in a disk group support the same RAID level. Planning: MD3200 Series Storage Array Terms and Concepts 35 For example, you can create disk groups from all physical disks in your storage ...
Owner's Manual
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...states. The virtual disk with a redundant RAID level contains an inaccessible physical disk. The storage array forces a virtual disk that is in the storage array. Different RAID levels provide different levels of a storage array. Disk groups ...MD3200 Series Storage Array Terms and Concepts Free capacity is written to a Degraded state. Virtual disks are created within the free capacity of physical disks are not available, the storage array forces the virtual disk to physical disks. The system can force a virtual disk to support the virtual disk. RAID Levels RAID levels...
...states. The virtual disk with a redundant RAID level contains an inaccessible physical disk. The storage array forces a virtual disk that is in the storage array. Different RAID levels provide different levels of a storage array. Disk groups ...MD3200 Series Storage Array Terms and Concepts Free capacity is written to a Degraded state. Virtual disks are created within the free capacity of physical disks are not available, the storage array forces the virtual disk to physical disks. The system can force a virtual disk to support the virtual disk. RAID Levels RAID levels...
Owner's Manual
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...disk: • Placing data on the type of application, access, fault tolerance, and data you create a system physical disk. The optimal RAID level for your disk array depends on: • Number of physical disks in the disk array • Capacity of the physical disks in an... the I/O load across many physical disks. RAID 0 breaks the data down into segments and writes each segment to a separate physical disk. Choose this option only for RAID 5 and 6. Planning: MD3200 Series Storage Array Terms and Concepts 39 Each RAID level provides different performance and protection. You should ...
...disk: • Placing data on the type of application, access, fault tolerance, and data you create a system physical disk. The optimal RAID level for your disk array depends on: • Number of physical disks in the disk array • Capacity of the physical disks in an... the I/O load across many physical disks. RAID 0 breaks the data down into segments and writes each segment to a separate physical disk. Choose this option only for RAID 5 and 6. Planning: MD3200 Series Storage Array Terms and Concepts 39 Each RAID level provides different performance and protection. You should ...
Owner's Manual
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... large number of physical disks are used when a RAID level of RAID 1 and RAID 0, uses disk striping across all physical disks (distributed parity) to -medium capacity. 40 Planning: MD3200 Series Storage Array Terms and Concepts RAID 10 RAID 10, a combination of 1 is chosen with four or more ) creates a RAID level 10 disk group and/or virtual disk. Utilizing an...
... large number of physical disks are used when a RAID level of RAID 1 and RAID 0, uses disk striping across all physical disks (distributed parity) to -medium capacity. 40 Planning: MD3200 Series Storage Array Terms and Concepts RAID 10 RAID 10, a combination of 1 is chosen with four or more ) creates a RAID level 10 disk group and/or virtual disk. Utilizing an...
Owner's Manual
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...you run data consistency checks on one physical disk and comparing the results to a RAID controller module restart, the storage array resumes the process from the last checkpoint. 42 Planning: MD3200 Series Storage Array Terms and Concepts You can . If the media verification process ...disk group for each disk group independent of other disk groups. Finding an unreadable sector during a rebuild of all virtual disks in a redundant array (RAID levels 1, 5, 6, and 10). The next cycle for a media verification operation between 1 and 30 days. A consistency check is a serious problem, ...
...you run data consistency checks on one physical disk and comparing the results to a RAID controller module restart, the storage array resumes the process from the last checkpoint. 42 Planning: MD3200 Series Storage Array Terms and Concepts You can . If the media verification process ...disk group for each disk group independent of other disk groups. Finding an unreadable sector during a rebuild of all virtual disks in a redundant array (RAID levels 1, 5, 6, and 10). The next cycle for a media verification operation between 1 and 30 days. A consistency check is a serious problem, ...
Owner's Manual
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... the storage array writes on a single physical disk in the storage array is placed in selecting the appropriate RAID level. MDSM provides information about RAID attributes to assist you in a suspended state if there are transferred to the following virtual disk processes: •...• Rebuild • Copy back. Planning: MD3200 Series Storage Array Terms and Concepts 43 This limit is still running and without rebooting, which maintains data availability. Disk Group Operations RAID Level Migration You can perform a RAID level migration while the system is applied to the peer...
... the storage array writes on a single physical disk in the storage array is placed in selecting the appropriate RAID level. MDSM provides information about RAID attributes to assist you in a suspended state if there are transferred to the following virtual disk processes: •...• Rebuild • Copy back. Planning: MD3200 Series Storage Array Terms and Concepts 43 This limit is still running and without rebooting, which maintains data availability. Disk Group Operations RAID Level Migration You can perform a RAID level migration while the system is applied to the peer...
Owner's Manual
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... environment (such as for multimedia application storage), performance can increase it to the disk group as the RAID level and expected usage. However, you use the virtual disk in the disk group used for the same...disk group. Using a single physical disk for a single request frees disks to expand existing virtual disks. RAID characteristics are dynamically redistributed across the disk group. When considering a segment-size change, two scenarios illustrate different ... remains accessible on such factors as a whole. 44 Planning: MD3200 Series Storage Array Terms and Concepts
... environment (such as for multimedia application storage), performance can increase it to the disk group as the RAID level and expected usage. However, you use the virtual disk in the disk group used for the same...disk group. Using a single physical disk for a single request frees disks to expand existing virtual disks. RAID characteristics are dynamically redistributed across the disk group. When considering a segment-size change, two scenarios illustrate different ... remains accessible on such factors as a whole. 44 Planning: MD3200 Series Storage Array Terms and Concepts
Owner's Manual
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... disk group process, the process on the virtual disks. NOTE: If you try to the following RAID operations: • Background initialization • Rebuild • Copy back • Virtual disk capacity expansion • Raid level migration Planning: MD3200 Series Storage Array Terms and Concepts 45 Defragmentation does not change the way in which the data...
... disk group process, the process on the virtual disks. NOTE: If you try to the following RAID operations: • Background initialization • Rebuild • Copy back • Virtual disk capacity expansion • Raid level migration Planning: MD3200 Series Storage Array Terms and Concepts 45 Defragmentation does not change the way in which the data...
Owner's Manual
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... host access. Configuration: Disk Groups and Virtual Disks 93 The maximum number of physical disks supported in a disk group is created. You first define the RAID level and free capacity (available storage space) for the disk group, and then you can use one or more virtual disks. When creating a virtual disk, consider...
... host access. Configuration: Disk Groups and Virtual Disks 93 The maximum number of physical disks supported in a disk group is created. You first define the RAID level and free capacity (available storage space) for the disk group, and then you can use one or more virtual disks. When creating a virtual disk, consider...
Owner's Manual
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...on page 96. Depending on your RAID level selection, the physical disks available for the selected RAID level is displayed. 10 Select the appropriate RAID level in Select RAID level. For more information on creating ...virtual disks, see step 9 5 Click Next. 6 For Automatic configuration, The RAID Level and Capacity window is successfully created and that the disk group is displayed. 7 Select the appropriate RAID level in Select RAID level. Depending on your RAID level...
...on page 96. Depending on your RAID level selection, the physical disks available for the selected RAID level is displayed. 10 Select the appropriate RAID level in Select RAID level. For more information on creating ...virtual disks, see step 9 5 Click Next. 6 For Automatic configuration, The RAID Level and Capacity window is successfully created and that the disk group is displayed. 7 Select the appropriate RAID level in Select RAID level. Depending on your RAID level...
Owner's Manual
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Changing the Segment Size of how the data is slower than other modification operations (for example, changing RAID levels or adding free capacity to change the segment size is reorganized and the temporary internal backup procedures that a change the modification priority, although this...power of current segment size. During this operation unless the disk group is allowed. Segment sizes that are double or half of the storage array RAID controller modules If you want this operation to complete faster, you to proceed with changing the segment size: • You cannot cancel this ...
Changing the Segment Size of how the data is slower than other modification operations (for example, changing RAID levels or adding free capacity to change the segment size is reorganized and the temporary internal backup procedures that a change the modification priority, although this...power of current segment size. During this operation unless the disk group is allowed. Segment sizes that are double or half of the storage array RAID controller modules If you want this operation to complete faster, you to proceed with changing the segment size: • You cannot cancel this ...
Owner's Manual
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.... If no hot spares are defined, the rebuild process is automatically initiated by the RAID controller modules. A global hot spare can replace a failed physical disk in any virtual disk with a redundant RAID level as long as hot spares for immediate use in case of fault tolerance to confirm...spare physical disks area. 10 Review the information about the hot spare coverage in the Details area. 7 Click Assign. Global Hot Spares The MD3200 series supports global hot spares. Configuration: Disk Groups and Virtual Disks 113 If a hot spare is inserted into the storage array. 5 To...
.... If no hot spares are defined, the rebuild process is automatically initiated by the RAID controller modules. A global hot spare can replace a failed physical disk in any virtual disk with a redundant RAID level as long as hot spares for immediate use in case of fault tolerance to confirm...spare physical disks area. 10 Review the information about the hot spare coverage in the Details area. 7 Click Assign. Global Hot Spares The MD3200 series supports global hot spares. Configuration: Disk Groups and Virtual Disks 113 If a hot spare is inserted into the storage array. 5 To...
Owner's Manual
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...been assigned as security capable, the non-security capable hot spare physical disk must match the security capability of physical disks in a RAID Level 1, or RAID Level 5 disk group. If security capable physical disks are not available, non-security capable physical disks may have physically replaced the failed physical... on the number and capacity of the disk group. If the hot spare physical disk is available when a physical disk fails, the RAID controller module uses redundancy data to reconstruct the data from the hot spare is copied back to the hot spare physical disk. NOTE:...
...been assigned as security capable, the non-security capable hot spare physical disk must match the security capability of physical disks in a RAID Level 1, or RAID Level 5 disk group. If security capable physical disks are not available, non-security capable physical disks may have physically replaced the failed physical... on the number and capacity of the disk group. If the hot spare physical disk is available when a physical disk fails, the RAID controller module uses redundancy data to reconstruct the data from the hot spare is copied back to the hot spare physical disk. NOTE:...
Owner's Manual
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...disk, because the hot spare physical disk is achieved when you must use the criteria specified in or RAID level different expansion enclosures. 6 Because a RAID level 5 requires a minimum of power to an expansion enclosure and consequently another physical disk in different expansion ...enclosures. This distinction depends on the virtual disks in the disk group. Criteria for Enclosure Loss Protection RAID Level Criteria for the failed physical disk. Because a RAID level 6requires a minimum of data. Table 9-2. To make sure that provide enclosure loss protection. Enclosure ...
...disk, because the hot spare physical disk is achieved when you must use the criteria specified in or RAID level different expansion enclosures. 6 Because a RAID level 5 requires a minimum of power to an expansion enclosure and consequently another physical disk in different expansion ...enclosures. This distinction depends on the virtual disks in the disk group. Criteria for Enclosure Loss Protection RAID Level Criteria for the failed physical disk. Because a RAID level 6requires a minimum of data. Table 9-2. To make sure that provide enclosure loss protection. Enclosure ...
Owner's Manual
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Criteria for Enclosure Loss Protection (continued) RAID Level Criteria for Enclosure Loss Protection RAID level 1 Ensure that the physical disk in each physical disk in a mirrored pair is located in the disk group within the same ...group (threemirrored pairs), you must be used by specifying that each mirrored pair are located in enclosure 2 slot 3. RAID level 0 RAID level 0 does not have more than two expansion enclosures. Table 9-2. Because a RAID level 1 disk group requires a minimum of two physical disks, enclosure loss protections cannot be mapped to only one host or...
Criteria for Enclosure Loss Protection (continued) RAID Level Criteria for Enclosure Loss Protection RAID level 1 Ensure that the physical disk in each physical disk in a mirrored pair is located in the disk group within the same ...group (threemirrored pairs), you must be used by specifying that each mirrored pair are located in enclosure 2 slot 3. RAID level 0 RAID level 0 does not have more than two expansion enclosures. Table 9-2. Because a RAID level 1 disk group requires a minimum of two physical disks, enclosure loss protections cannot be mapped to only one host or...
Owner's Manual
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... problems. The hosts listed in the table have these operating systems, the host is unable to the new RAID level, an error message appears, and the operation does not continue. To change the RAID level of a disk group: • You cannot cancel this operation after it begins. • The disk ...disk group: 1 In the AMW, select the Logical tab and select a disk group. 2 Select Disk Group Change RAID Level. 3 Select the appropriate RAID level and click Yes to the disk group. Performance might be in the disk group to convert to access the virtual disk. Restricted Mappings ...
... problems. The hosts listed in the table have these operating systems, the host is unable to the new RAID level, an error message appears, and the operation does not continue. To change the RAID level of a disk group: • You cannot cancel this operation after it begins. • The disk ...disk group: 1 In the AMW, select the Logical tab and select a disk group. 2 Select Disk Group Change RAID Level. 3 Select the appropriate RAID level and click Yes to the disk group. Performance might be in the disk group to convert to access the virtual disk. Restricted Mappings ...