Optimizing Dell SCSI Solutions
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... Topology and Application Attributes 26 5. B: GLOSSARY ...42 9. Virtual Disk Size...35 Additional RAID information...35 6. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 TABLE OF CONTENTS A REFERENCE GUIDE FOR OPTIMIZING DELL SCSI SOLUTIONS 3 1. INTRODUCTION ...3 2. DELL'S PRODUCT OFFERING...14 PowerVault™ 220S & 221S Storage Enclosure 14 PERC - PV22XS ENCLOSURE OVERVIEW ...19 Joined Bus Topology ...19...
... Topology and Application Attributes 26 5. B: GLOSSARY ...42 9. Virtual Disk Size...35 Additional RAID information...35 6. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 TABLE OF CONTENTS A REFERENCE GUIDE FOR OPTIMIZING DELL SCSI SOLUTIONS 3 1. INTRODUCTION ...3 2. DELL'S PRODUCT OFFERING...14 PowerVault™ 220S & 221S Storage Enclosure 14 PERC - PV22XS ENCLOSURE OVERVIEW ...19 Joined Bus Topology ...19...
Optimizing Dell SCSI Solutions
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... capacity can be categorized as for a given application. driven by one which impact a storage solution can be ideal for Optimizing Dell SCSI Solutions 1. In this paper, all the applications is protected against the attributes listed above which should allow easy access to ...storage. Any given storage application may be supported by RAID and other hand it becomes essential to help define an optimum storage solution. An optimum storage solution would be easy to data • Availability - PowerVault™ Direct Attached Storage PV22xS family • Interconnect...
... capacity can be categorized as for a given application. driven by one which impact a storage solution can be ideal for Optimizing Dell SCSI Solutions 1. In this paper, all the applications is protected against the attributes listed above which should allow easy access to ...storage. Any given storage application may be supported by RAID and other hand it becomes essential to help define an optimum storage solution. An optimum storage solution would be easy to data • Availability - PowerVault™ Direct Attached Storage PV22xS family • Interconnect...
Optimizing Dell SCSI Solutions
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...type of application being utilized. This characteristic is the type of application that the reader has a basic understanding of different levels of RAID and interconnects technologies - For example, a database or e-mail server has mostly random disk access operations while a streaming media server... would require much less storage capacity than an e-mail store for Dell's Direct Attached Storage (DAS) products. Picking a solution based on the application profile One of the most important factors to select the...
...type of application being utilized. This characteristic is the type of application that the reader has a basic understanding of different levels of RAID and interconnects technologies - For example, a database or e-mail server has mostly random disk access operations while a streaming media server... would require much less storage capacity than an e-mail store for Dell's Direct Attached Storage (DAS) products. Picking a solution based on the application profile One of the most important factors to select the...
Optimizing Dell SCSI Solutions
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...File Archival File - Table 2-2 outlines the recommended RAID solution based on the usage of redundancy and data protection. However, it may be utilized for significantly lower storage capacity. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 the server/storage solution... and will determine what RAID configuration will be used in situations where these are not required and maximum storage capacity...
...File Archival File - Table 2-2 outlines the recommended RAID solution based on the usage of redundancy and data protection. However, it may be utilized for significantly lower storage capacity. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 the server/storage solution... and will determine what RAID configuration will be used in situations where these are not required and maximum storage capacity...
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...with a decrease in performance and data protection. Concatenated Container This solution is not recommended due to the Dell™ 'Getting Started with a moderate amount of use than RAID 5, but at a slightly higher cost and reduced storage capacity. large corporate e-mail servers normally require greater... users. This should be used in situations where greater redundancy and data protection is required along with RAID' document (http://support.dell.com/support/edocs/storage/RAID/RAIDbk0.pdf). IO profiles will provide more details on the number of users and type of storage ...
...with a decrease in performance and data protection. Concatenated Container This solution is not recommended due to the Dell™ 'Getting Started with a moderate amount of use than RAID 5, but at a slightly higher cost and reduced storage capacity. large corporate e-mail servers normally require greater... users. This should be used in situations where greater redundancy and data protection is required along with RAID' document (http://support.dell.com/support/edocs/storage/RAID/RAIDbk0.pdf). IO profiles will provide more details on the number of users and type of storage ...
Optimizing Dell SCSI Solutions
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... data protection and a balance between storage capacity and performance. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 10 - Recommended for those solutions that require maximum storage capacity and only base data protection and performance. • RAID 50 - Additionally, the performance requirements increase relative to mission critical enterprise databases like...
... data protection and a balance between storage capacity and performance. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 10 - Recommended for those solutions that require maximum storage capacity and only base data protection and performance. • RAID 50 - Additionally, the performance requirements increase relative to mission critical enterprise databases like...
Optimizing Dell SCSI Solutions
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 5 - Recommended for those solutions that require maximum storage capacity and only base data protection and performance. • RAID 50 - Possible solution for databases that require a balance between storage capacity and performance... be moderate intranet sites with redundancy and data protection being less a concern. PAGE 8 11/17/2005 Possible: • RAID 1 - Recommended for redundancy and data protection is not as much scalability or disk capacity since website content is generally the ...
A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 5 - Recommended for those solutions that require maximum storage capacity and only base data protection and performance. • RAID 50 - Possible solution for databases that require a balance between storage capacity and performance... be moderate intranet sites with redundancy and data protection being less a concern. PAGE 8 11/17/2005 Possible: • RAID 1 - Recommended for redundancy and data protection is not as much scalability or disk capacity since website content is generally the ...
Optimizing Dell SCSI Solutions
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... performance is handled by the cluster group and does not need to the high availability and redundancy and good performance. • RAID 5 - Not recommended: • Concatenated - Online Transaction Processing Servers Online Transaction Processing (OLTP) oriented servers are very critical for..., airlines, mail-order, and supermarkets. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 5 - In this configuration is highly recommended due to happen at the disk level. • RAID 1 - Good solution for web servers that require a balance between ...
... performance is handled by the cluster group and does not need to the high availability and redundancy and good performance. • RAID 5 - Not recommended: • Concatenated - Online Transaction Processing Servers Online Transaction Processing (OLTP) oriented servers are very critical for..., airlines, mail-order, and supermarkets. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 5 - In this configuration is highly recommended due to happen at the disk level. • RAID 1 - Good solution for web servers that require a balance between ...
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... as users add more dynamic user file storage where files are not recommended due to lack of hours. Possible: • RAID 1 - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 50 - Recommended for file servers is usually backed up and can range from workgroup to the high availability and redundancy...
... as users add more dynamic user file storage where files are not recommended due to lack of hours. Possible: • RAID 1 - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 50 - Recommended for file servers is usually backed up and can range from workgroup to the high availability and redundancy...
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... capacity, for situations that require maximum scalability as drives could be configured and utilized. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 1 - Possible solution for example, where backups are expected to lack of a failure. • Concatenated -...Sequential Heavy IO Size >64K Latency Sensitivity High Growth Rate Varies Criticality Moderate • Table 2-14: User Store File Server RAID Guidelines Application File - These are not recommended, they can be use for file servers that require a balance between storage ...
... capacity, for situations that require maximum scalability as drives could be configured and utilized. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • RAID 1 - Possible solution for example, where backups are expected to lack of a failure. • Concatenated -...Sequential Heavy IO Size >64K Latency Sensitivity High Growth Rate Varies Criticality Moderate • Table 2-14: User Store File Server RAID Guidelines Application File - These are not recommended, they can be use for file servers that require a balance between storage ...
Optimizing Dell SCSI Solutions
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This would provide greater availability and redundancy but less storage capacity. • RAID 0 - Possible: • RAID 1, RAID 10 - This solution is not redundant, this may also be a solution. Note: While these ...16: Database sever RAID Guidelines Application Streaming Media Concatenated 0 Recommended RAID Level 1 10 Not Recommended 5 50 Possible Recommended: • RAID 5 - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 that can be recommended RAID configuration for stand alone streaming media servers. • RAID 50 - This solution...
This would provide greater availability and redundancy but less storage capacity. • RAID 0 - Possible: • RAID 1, RAID 10 - This solution is not redundant, this may also be a solution. Note: While these ...16: Database sever RAID Guidelines Application Streaming Media Concatenated 0 Recommended RAID Level 1 10 Not Recommended 5 50 Possible Recommended: • RAID 5 - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 that can be recommended RAID configuration for stand alone streaming media servers. • RAID 50 - This solution...
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 Additional configuration factors Hot Spares Hot Spare functionality provides extra security availability and redundancy by replacing a failed drive, allowing the rebuild of the SCSI bus. See the controller user's guide for Optimal RAID Performance The PowerVault™ 22xS is capable of Hot Spares is...
A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 Additional configuration factors Hot Spares Hot Spare functionality provides extra security availability and redundancy by replacing a failed drive, allowing the rebuild of the SCSI bus. See the controller user's guide for Optimal RAID Performance The PowerVault™ 22xS is capable of Hot Spares is...
Optimizing Dell SCSI Solutions
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Dell's Product Offering PowerVault™ 220S & 221S Storage Enclosure Dell™ PowerVault 220xS systems are hot-pluggable and can be removed and replaced easily. PowerEdge™ RAID Controllers The PowerEdge RAID Controller (PERC) is a free standing floor tower. Each system offers maximized drive-spindle count, hot-plug hard drives, optional redundant power, redundant cooling, rack mount ...
Dell's Product Offering PowerVault™ 220S & 221S Storage Enclosure Dell™ PowerVault 220xS systems are hot-pluggable and can be removed and replaced easily. PowerEdge™ RAID Controllers The PowerEdge RAID Controller (PERC) is a free standing floor tower. Each system offers maximized drive-spindle count, hot-plug hard drives, optional redundant power, redundant cooling, rack mount ...
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...17/2005 A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 (SCSI) host adapter with RAID control capabilities. The following matrix describes the benefits of PERC have included the PERC 2, PERC 3 and PERC 4 families. Dell is an ideal RAID solution for maximum bandwidth connectivity & ...generation of controllers includes the PERC 4e/SI and PERC 4e/DI for RAID On Motherboard solutions and the PERC 4e/DC add-in a server. The following PERC solutions support the PowerVault 220S and 221S External SCSI Storage solution: • Table 3-1: PERC Solution supported...
...17/2005 A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 (SCSI) host adapter with RAID control capabilities. The following matrix describes the benefits of PERC have included the PERC 2, PERC 3 and PERC 4 families. Dell is an ideal RAID solution for maximum bandwidth connectivity & ...generation of controllers includes the PERC 4e/SI and PERC 4e/DI for RAID On Motherboard solutions and the PERC 4e/DC add-in a server. The following PERC solutions support the PowerVault 220S and 221S External SCSI Storage solution: • Table 3-1: PERC Solution supported...
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...HD to the rest of flexibility. Materials purchased from Dell can include upgrades not generally available to Wide HD SCSI Hard Drive Support PowerVault disk-based storage solutions (such as the PowerVault 220S) support the latest SCSI hard drives, currently specified... Dell supports only Dell tested and qualified hardware. All hardware (disk drives, RAID controllers, cables, power supplies) purchased direct from Dell for the PowerVault 22xS, PowerEdge servers or any other Dell products. Server Support Dell PowerVault SCSI Solutions support all hardware direct from Dell carries the Dell...
...HD to the rest of flexibility. Materials purchased from Dell can include upgrades not generally available to Wide HD SCSI Hard Drive Support PowerVault disk-based storage solutions (such as the PowerVault 220S) support the latest SCSI hard drives, currently specified... Dell supports only Dell tested and qualified hardware. All hardware (disk drives, RAID controllers, cables, power supplies) purchased direct from Dell for the PowerVault 22xS, PowerEdge servers or any other Dell products. Server Support Dell PowerVault SCSI Solutions support all hardware direct from Dell carries the Dell...
Optimizing Dell SCSI Solutions
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... by primary EMM. Figure 4-2 Split Bus Cabling to their respective SCSI hosts. The redundancy, however, is highly recommended that both halves of SCSI RAID controllers (e.g. Split Bus Topology This topology splits the PV22xS into two halves, essentially providing two independent, electrically isolated, SCSI busses capable of redundancy. ... warnings/alerts, and in slots labeled 0 thru 5, and 8. Regardless of the seven HDD in slots labeled 9 thru 15. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 The primary EMM must always have undesirable consequences.
... by primary EMM. Figure 4-2 Split Bus Cabling to their respective SCSI hosts. The redundancy, however, is highly recommended that both halves of SCSI RAID controllers (e.g. Split Bus Topology This topology splits the PV22xS into two halves, essentially providing two independent, electrically isolated, SCSI busses capable of redundancy. ... warnings/alerts, and in slots labeled 0 thru 5, and 8. Regardless of the seven HDD in slots labeled 9 thru 15. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 The primary EMM must always have undesirable consequences.
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... Node 2 can provide failover capabilities for Node 1 to fail. In the event of both host systems, including the SCSI RAID controller, must be simultaneously accessed by both active/active and active/passive cluster configurations. In this topology, only 13 HDD are ... High Availability scenarios where access to the same data from two host controllers (Figure 4-4). Dell™ High Availability Clustering (for resources on the specific SCSI ID reassignments). A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 Figure 4-3 Split Bus Cabling Options to a Single Host ...
... Node 2 can provide failover capabilities for Node 1 to fail. In the event of both host systems, including the SCSI RAID controller, must be simultaneously accessed by both active/active and active/passive cluster configurations. In this topology, only 13 HDD are ... High Availability scenarios where access to the same data from two host controllers (Figure 4-4). Dell™ High Availability Clustering (for resources on the specific SCSI ID reassignments). A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 Figure 4-3 Split Bus Cabling Options to a Single Host ...
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... and replacement of different drive spindle speeds is not supported. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 modules is supported; Mixing HDD Capacities Mixing of the SCSI bus is not included in the RAID array may be partitioned and used. The excess space that warm plugging requires any I/O operations...
... and replacement of different drive spindle speeds is not supported. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 modules is supported; Mixing HDD Capacities Mixing of the SCSI bus is not included in the RAID array may be partitioned and used. The excess space that warm plugging requires any I/O operations...
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... • Not on SCSI Path • Management capabilities with both data and management Relatively lower performance due to RAID controller configuration requirements Default Default Default Maximum Could be lower with Single ZEMM and non-redundant PSU Minimum (for a... Joined PV22xS Configuration Topologies Split Cluster Reliability Default Default Default Relatively better than Joined topology - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS Cable Connector VER A02 Controller Connector P-type connector - Female • Figure 4-7 External SCSI Connector...
... • Not on SCSI Path • Management capabilities with both data and management Relatively lower performance due to RAID controller configuration requirements Default Default Default Maximum Could be lower with Single ZEMM and non-redundant PSU Minimum (for a... Joined PV22xS Configuration Topologies Split Cluster Reliability Default Default Default Relatively better than Joined topology - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS Cable Connector VER A02 Controller Connector P-type connector - Female • Figure 4-7 External SCSI Connector...
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A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • Table 4-2: PV22xS Configuration Topologies Vs RAID Level Performance RAID Levels RAID 0 RAID 1 RAID 5 RAID 10 RAID 50 Joined Default RAID 0 performance Default Default Default Default PV22xS Configuration Topologies Split Cluster Best performance,...It can be observed that selection of a PV22xS configuration topology impacts not only Application Attributes but also impacts RAID level performance. multiple power supplies provide 1+1 redundancy • Cooling Redundancy PV22xS provides support of up to Joined topology...
A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 • Table 4-2: PV22xS Configuration Topologies Vs RAID Level Performance RAID Levels RAID 0 RAID 1 RAID 5 RAID 10 RAID 50 Joined Default RAID 0 performance Default Default Default Default PV22xS Configuration Topologies Split Cluster Best performance,...It can be observed that selection of a PV22xS configuration topology impacts not only Application Attributes but also impacts RAID level performance. multiple power supplies provide 1+1 redundancy • Cooling Redundancy PV22xS provides support of up to Joined topology...