Getting Started Guide
Page 5
...dual controller) array configurations. simplex configuration also available • Battery backup unit (BBU) to the Dell PowerVault MD Systems Support Matrix at support.dell.com). • Support for a total of 45 physical disks. • Controller capable of ...dell.com. • Support for a wide range of servers. (For additional support information, refer to power the RAID controller system memory (cache) for a minimum of 72 hours in case of supporting sessions from 32 iSCSI initiators (16 hosts with redundant connections) simultaneously with multiple connections per session. Performance...
...dual controller) array configurations. simplex configuration also available • Battery backup unit (BBU) to the Dell PowerVault MD Systems Support Matrix at support.dell.com). • Support for a total of 45 physical disks. • Controller capable of ...dell.com. • Support for a wide range of servers. (For additional support information, refer to power the RAID controller system memory (cache) for a minimum of 72 hours in case of supporting sessions from 32 iSCSI initiators (16 hosts with redundant connections) simultaneously with multiple connections per session. Performance...
Getting Started Guide
Page 7
...perform as expected, see www.dell.com/training for more detailed information, refer to the system or documentation or advanced technical reference material intended for experienced users or technicians. • CDs included with your system provide documentation and tools for installing, configuring, and managing your system. • The Dell PowerVault... MD Systems Support Matrix at support.dell.com provides compatibility information, including servers, operating systems, controllers, software, and...
...perform as expected, see www.dell.com/training for more detailed information, refer to the system or documentation or advanced technical reference material intended for experienced users or technicians. • CDs included with your system provide documentation and tools for installing, configuring, and managing your system. • The Dell PowerVault... MD Systems Support Matrix at support.dell.com provides compatibility information, including servers, operating systems, controllers, software, and...
Hardware Owner's Manual
Page 9
...mounting • RAID controller modules in two supported configurations: - Single-controller configurations - Overview The RAID enclosure is designed for high-performance environments: eight-node clusters or multi-host storage access for up to 16 Microsoft Windows® or Linux host servers •...an iSCSI initiator. For each configuration, up to 15 3.0-Gbps, Serial-Attached SCSI (SAS) disks. About Your System The Dell™ PowerVault™ MD3000i is a 3U rack-mounted external Redundant Array of Independent Disks (RAID) storage array capable of -band using an Ethernet connection...
...mounting • RAID controller modules in two supported configurations: - Single-controller configurations - Overview The RAID enclosure is designed for high-performance environments: eight-node clusters or multi-host storage access for up to 16 Microsoft Windows® or Linux host servers •...an iSCSI initiator. For each configuration, up to 15 3.0-Gbps, Serial-Attached SCSI (SAS) disks. About Your System The Dell™ PowerVault™ MD3000i is a 3U rack-mounted external Redundant Array of Independent Disks (RAID) storage array capable of -band using an Ethernet connection...
Hardware Owner's Manual
Page 18
... enclosure. Figure 1-4. Back-Panel Features 1 2 3 1 RAID controller module 0 2 RAID controller module 1 3 power supply/cooling fan modules (2) RAID Controller Modules The RAID controller modules provide high-performance, advanced virtual disk configuration, and fault-tolerant disk subsystem management. Back-Panel Indicators and Features Figure 1-4 shows the back-panel features of cache that is...
... enclosure. Figure 1-4. Back-Panel Features 1 2 3 1 RAID controller module 0 2 RAID controller module 1 3 power supply/cooling fan modules (2) RAID Controller Modules The RAID controller modules provide high-performance, advanced virtual disk configuration, and fault-tolerant disk subsystem management. Back-Panel Indicators and Features Figure 1-4 shows the back-panel features of cache that is...
Hardware Owner's Manual
Page 23
..., the RAID controller firmware changes the data cache setting based on the physical disks from corruption in the cache is reenabled. The RAID controller firmware performs a test of cooling system failure.
..., the RAID controller firmware changes the data cache setting based on the physical disks from corruption in the cache is reenabled. The RAID controller firmware performs a test of cooling system failure.
Hardware Owner's Manual
Page 24
... two separate cooling fans. Write-Back Cache Write-back cache is returned to the host operating system. Cache mirroring is less likely to increase controller performance. If a controller fails, the surviving controller safely retains all mirrored data. The enclosure requires at a more secure than write-back cache, since a power failure is...
... two separate cooling fans. Write-Back Cache Write-back cache is returned to the host operating system. Cache mirroring is less likely to increase controller performance. If a controller fails, the surviving controller safely retains all mirrored data. The enclosure requires at a more secure than write-back cache, since a power failure is...
Hardware Owner's Manual
Page 29
... state being , 100 ms) configured into a disk group. Self-Monitoring Analysis and Reporting Technology (SMART) Self-Monitoring Analysis and Reporting Technology (SMART) monitors the internal performance of an (125 ms) Spare In Use, or unrecoverable error, an incorrect Hot Spare Standby drive type or drive size, or by a physical disk. Using...
... state being , 100 ms) configured into a disk group. Self-Monitoring Analysis and Reporting Technology (SMART) Self-Monitoring Analysis and Reporting Technology (SMART) monitors the internal performance of an (125 ms) Spare In Use, or unrecoverable error, an incorrect Hot Spare Standby drive type or drive size, or by a physical disk. Using...
Hardware Owner's Manual
Page 30
... group. Disk groups are always created in the free capacity of a storage array; You only need to them. Table 2-2. You can still work properly, but performance may result in a disk group that has not been assigned to associate the virtual disks with a redundant RAID level contains an inaccessible physical disk. RAID...
... group. Disk groups are always created in the free capacity of a storage array; You only need to them. Table 2-2. You can still work properly, but performance may result in a disk group that has not been assigned to associate the virtual disks with a redundant RAID level contains an inaccessible physical disk. RAID...
Hardware Owner's Manual
Page 31
...striping, means that if one physical disk is simultaneously written to another physical disk. I/O performance is greatly improved by spreading the I /O) operations can occur simultaneously and improve performance. • Storing redundant data on multiple physical disks using a single physical disk, including...if an error occurs, even if that requires no data loss. Each RAID level provides different performance and protection. Although it offers the best performance of accessibility, redundancy, and capacity. Using multiple physical disks has several advantages over using mirroring...
...striping, means that if one physical disk is simultaneously written to another physical disk. I/O performance is greatly improved by spreading the I /O) operations can occur simultaneously and improve performance. • Storing redundant data on multiple physical disks using a single physical disk, including...if an error occurs, even if that requires no data loss. Each RAID level provides different performance and protection. Although it offers the best performance of accessibility, redundancy, and capacity. Using multiple physical disks has several advantages over using mirroring...
Hardware Owner's Manual
Page 32
... best used for video editing, image editing, prepress applications, or any environment that requires high performance and fault tolerance and moderate-to the data (fault tolerance) • Disk performance requirements RAID 0 is utilized for redundant access to -medium capacity. 32 Using Your RAID Enclosure...disk mirroring, half of the capacity of the physical disks in the disk array • Need for mirroring. RAID 1 offers fast performance and the best data availability, but also the highest disk overhead. RAID 10 works well for medium-sized databases or any application requiring...
... best used for video editing, image editing, prepress applications, or any environment that requires high performance and fault tolerance and moderate-to the data (fault tolerance) • Disk performance requirements RAID 0 is utilized for redundant access to -medium capacity. 32 Using Your RAID Enclosure...disk mirroring, half of the capacity of the physical disks in the disk array • Need for mirroring. RAID 1 offers fast performance and the best data availability, but also the highest disk overhead. RAID 10 works well for medium-sized databases or any application requiring...
Hardware Owner's Manual
Page 33
...group with a redundant RAID level as long as hot spares. NOTE: Although disk striping delivers excellent performance, striping alone does not provide data redundancy. Disk striping enhances performance because striped disks are defined, the rebuild process will be written across multiple physical disks. When a... capacity on , stand-by the RAID controller modules when a replacement physical disk is inserted into the storage array. The MD3000i supports stripe element sizes of disk failure. Hot Spares and Rebuild A valuable strategy to protect data is to be initiated ...
...group with a redundant RAID level as long as hot spares. NOTE: Although disk striping delivers excellent performance, striping alone does not provide data redundancy. Disk striping enhances performance because striped disks are defined, the rebuild process will be written across multiple physical disks. When a... capacity on , stand-by the RAID controller modules when a replacement physical disk is inserted into the storage array. The MD3000i supports stripe element sizes of disk failure. Hot Spares and Rebuild A valuable strategy to protect data is to be initiated ...
Hardware Owner's Manual
Page 36
...all configured physical disks in a disk group. A consistency check is a serious problem, because the system does not have the redundancy to perform verification on the RAID controller module is blocked during a rebuild of a failed physical disk is similar to every sector of all virtual disks...group for which media verification is how long it takes to disks based on a redundant array at least once a month. NOTE: Dell recommends that background initialization cannot be started or stopped manually, while consistency check can set the cycle time for a disk group starts ...
...all configured physical disks in a disk group. A consistency check is a serious problem, because the system does not have the redundancy to perform verification on the RAID controller module is blocked during a rebuild of a failed physical disk is similar to every sector of all virtual disks...group for which media verification is how long it takes to disks based on a redundant array at least once a month. NOTE: Dell recommends that background initialization cannot be started or stopped manually, while consistency check can set the cycle time for a disk group starts ...
Hardware Owner's Manual
Page 37
... on a single physical disk in kilobytes) that you want to the peer controller. MD Storage Manager provides information about RAID attributes to assist you can perform a RAID level migration while the system is stopped due to the following virtual disk processes: background initialization, foreground initialization, consistency check, rebuild, and copy back...
... on a single physical disk in kilobytes) that you want to the peer controller. MD Storage Manager provides information about RAID attributes to assist you can perform a RAID level migration while the system is stopped due to the following virtual disk processes: background initialization, foreground initialization, consistency check, rebuild, and copy back...
Hardware Owner's Manual
Page 38
... disks. However, you can be changed. The data and increased unused free space are also reapplied to the disk group as for multimedia application storage), performance can increase it to reduce the number of disks required to satisfy a single I /O activity stretches beyond the segment size, you might need to eventually increase...
... disks. However, you can be changed. The data and increased unused free space are also reapplied to the disk group as for multimedia application storage), performance can increase it to reduce the number of disks required to satisfy a single I /O activity stretches beyond the segment size, you might need to eventually increase...
Hardware Owner's Manual
Page 39
... transferred to the peer controller. NOTE: If you try to complete an operation. The priority of each of these operations can be changed to address performance requirements of the environment in which the data is stopped. Priority should also be executed. It is owned by the other controller. NOTE: Setting a high... access and time to start a disk group process on a controller that does not have an existing active process, the start attempt will impact storage array performance.
... transferred to the peer controller. NOTE: If you try to complete an operation. The priority of each of these operations can be changed to address performance requirements of the environment in which the data is stopped. Priority should also be executed. It is owned by the other controller. NOTE: Setting a high... access and time to start a disk group process on a controller that does not have an existing active process, the start attempt will impact storage array performance.
Hardware Owner's Manual
Page 40
...from one array to the new array. Disk Migration You can move virtual disks from one slot to another , the MD3000i array you had in an optimal state. Dell recommends that a storage array supports limits the scope of a disk group only if all member physical disks present can import... of physical disks and virtual disks that you are being migrated must be migrated to performing the disk migration. However, the disk groups themselves will recognize any other RAID controller, the MD3000i array will not recognize the migrating metadata and that have all the disks in an ...
...from one array to the new array. Disk Migration You can move virtual disks from one slot to another , the MD3000i array you had in an optimal state. Dell recommends that a storage array supports limits the scope of a disk group only if all member physical disks present can import... of physical disks and virtual disks that you are being migrated must be migrated to performing the disk migration. However, the disk groups themselves will recognize any other RAID controller, the MD3000i array will not recognize the migrating metadata and that have all the disks in an ...
Hardware Owner's Manual
Page 47
... too long if the source virtual disk name exceeds 16 characters. Plex snapshots are differential snapshots. Under high I/O loads, the limit should have names no I /O performance, while giving it lowest priority will be three. • The snapshot virtual disks created in the storage management software are not supported. • Virtual disks...
... too long if the source virtual disk name exceeds 16 characters. Plex snapshots are differential snapshots. Under high I/O loads, the limit should have names no I /O performance, while giving it lowest priority will be three. • The snapshot virtual disks created in the storage management software are not supported. • Virtual disks...
Hardware Owner's Manual
Page 54
... Ethernet switches for information on configuring CHAP. • Refer to the User's Guide for all iSCSI activity. Refer to the PowerVault MD3000i Installation Guide for information on configuring your iSCSI host servers to any of configurations. If a separate network cannot be dedicated as public...and the host server logs in the IP stack of those network interface cards (NICs) of its iSCSI features and achieve optimal performance, consider the following recommendations. • Use a separate network for Microsoft Networks option in again. 54 Using Your RAID Enclosure NOTE...
... Ethernet switches for information on configuring CHAP. • Refer to the User's Guide for all iSCSI activity. Refer to the PowerVault MD3000i Installation Guide for information on configuring your iSCSI host servers to any of configurations. If a separate network cannot be dedicated as public...and the host server logs in the IP stack of those network interface cards (NICs) of its iSCSI features and achieve optimal performance, consider the following recommendations. • Use a separate network for Microsoft Networks option in again. 54 Using Your RAID Enclosure NOTE...
Hardware Owner's Manual
Page 58
...not overtighten. 58 Installing Enclosure Components b Position the replacement physical disk into the disk carrier with static-sensitive components. 1 Perform the following steps to an MD3000i. CAUTION: Always wear a wrist grounding strap when handling equipment with the disk's controller board facing the rear of the disk... from virtual disks created on a PERC RAID controller cannot be migrated to an MD3000i or to an MD1000 expansion enclosure connected to install the new physical disk into the carrier until it downward. 4 Gently but ...
...not overtighten. 58 Installing Enclosure Components b Position the replacement physical disk into the disk carrier with static-sensitive components. 1 Perform the following steps to an MD3000i. CAUTION: Always wear a wrist grounding strap when handling equipment with the disk's controller board facing the rear of the disk... from virtual disks created on a PERC RAID controller cannot be migrated to an MD3000i or to an MD1000 expansion enclosure connected to install the new physical disk into the carrier until it downward. 4 Gently but ...
Hardware Owner's Manual
Page 62
... a RAID Controller Module" on which data traffic is occurring could cause data loss and is mounted inside the enclosure and protecting against electrostatic discharge. Before performing any of the components inside the enclosure. CAUTION: Only trained service technicians are hot-pluggable and can be removed and installed without shutting down the...
... a RAID Controller Module" on which data traffic is occurring could cause data loss and is mounted inside the enclosure and protecting against electrostatic discharge. Before performing any of the components inside the enclosure. CAUTION: Only trained service technicians are hot-pluggable and can be removed and installed without shutting down the...