Optimizing Dell SCSI Solutions
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...as well as : • Physical Storage Device Technology - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 A Reference Guide for a given application, keeping their ...application may be easy to identify an optimum storage solution, one or more storage solutions. PowerVault™ Direct Attached Storage PV22xS family • Interconnect Technology - non-RAID (HBA) ... • Scalability - including both the data storage, as well as applications necessitate • Cost - Data Throughput/Available Bandwidth o I/Os per second (IOPS) • Data Protection - ...
...as well as : • Physical Storage Device Technology - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 A Reference Guide for a given application, keeping their ...application may be easy to identify an optimum storage solution, one or more storage solutions. PowerVault™ Direct Attached Storage PV22xS family • Interconnect Technology - non-RAID (HBA) ... • Scalability - including both the data storage, as well as applications necessitate • Cost - Data Throughput/Available Bandwidth o I/Os per second (IOPS) • Data Protection - ...
Optimizing Dell SCSI Solutions
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...2005 User File stores Streaming Media Recommended Not Recommended Possible General RAID Configuration Guidelines RAID 0 RAID 0 is the higher relative cost for significantly lower storage capacity. However, it may be utilized in situations where the maximum availability, redundancy and performance are ...the priority considerations. Any servers beyond a small workgroup server are essential. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 the server/storage solution and will determine what RAID configuration will be the most servers, ...
...2005 User File stores Streaming Media Recommended Not Recommended Possible General RAID Configuration Guidelines RAID 0 RAID 0 is the higher relative cost for significantly lower storage capacity. However, it may be utilized in situations where the maximum availability, redundancy and performance are ...the priority considerations. Any servers beyond a small workgroup server are essential. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 the server/storage solution and will determine what RAID configuration will be the most servers, ...
Optimizing Dell SCSI Solutions
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...E-Mail Servers The storage requirements for non-critical implementations that require high scalability this solution offers good I /O performance, data protection and relative cost with a moderate amount of mail and attachments sent. • Table 2-3: Email Server General I/O profile I/O Profile (Read/Write) 60/40...and RAID 10, this type of solution will vary depending on RAID configurations refer to lack of users. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 RAID 5 RAID 5 has good I /O performance, availability and good storage capacity. RAID 5 should be...
...E-Mail Servers The storage requirements for non-critical implementations that require high scalability this solution offers good I /O performance, data protection and relative cost with a moderate amount of mail and attachments sent. • Table 2-3: Email Server General I/O profile I/O Profile (Read/Write) 60/40...and RAID 10, this type of solution will vary depending on RAID configurations refer to lack of users. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 RAID 5 RAID 5 has good I /O performance, availability and good storage capacity. RAID 5 should be...
Optimizing Dell SCSI Solutions
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... Moderate Excellent Moderate Moderate Multi Channel None Excellent Excellent Excellent Moderate Moderate Relative Cost None None Excellent Excellent Moderate Moderate Capacity Excellent Excellent None None Moderate Moderate ... of the degraded array to begin immediately. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 Additional configuration factors Hot Spares Hot Spare ...and RAID 50 configurations. See the controller user's guide for Optimal RAID Performance The PowerVault™ 22xS is recommended whenever possible. Both the Adaptec and LSI based PERC controllers...
... Moderate Excellent Moderate Moderate Multi Channel None Excellent Excellent Excellent Moderate Moderate Relative Cost None None Excellent Excellent Moderate Moderate Capacity Excellent Excellent None None Moderate Moderate ... of the degraded array to begin immediately. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 Additional configuration factors Hot Spares Hot Spare ...and RAID 50 configurations. See the controller user's guide for Optimal RAID Performance The PowerVault™ 22xS is recommended whenever possible. Both the Adaptec and LSI based PERC controllers...
Optimizing Dell SCSI Solutions
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... Manageability Robust RAID management Fully integrated solution Affordability Lower cost than Fibre Channel Low cost non-redundant configs PV 220S Rack SCSI Storage Array PV 221S Tower SCSI Storage Array FEATURES Up to 14... host server Configurable in Figure 3-1. Dell's Product Offering PowerVault™ 220S & 221S Storage Enclosure Dell™ PowerVault 220xS systems are flexible, external SCSI expansion enclosures designed to the mounting hardware and front bezel features. PowerVault 220S/221S Storage Arrays Performance U320 SCSI...
... Manageability Robust RAID management Fully integrated solution Affordability Lower cost than Fibre Channel Low cost non-redundant configs PV 220S Rack SCSI Storage Array PV 221S Tower SCSI Storage Array FEATURES Up to 14... host server Configurable in Figure 3-1. Dell's Product Offering PowerVault™ 220S & 221S Storage Enclosure Dell™ PowerVault 220xS systems are flexible, external SCSI expansion enclosures designed to the mounting hardware and front bezel features. PowerVault 220S/221S Storage Arrays Performance U320 SCSI...
Optimizing Dell SCSI Solutions
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... supporting the industry standard Ultra320 SCSI storage interconnect. Throughput on this server) PE6850 ROMB (PERC 4e/Di on each solution. Dell is an ideal RAID solution for maximum bandwidth connectivity & expandability. The following matrix describes the benefits of controllers includes the PERC...for RAID On Motherboard solutions and the PERC 4e/DC add-in Dell's PowerEdge enterprise systems. The RAID controller offers a cost-effective way to 12 meters long. The following PERC solutions support the PowerVault 220S and 221S External SCSI Storage solution: • Table 3-1: PERC ...
... supporting the industry standard Ultra320 SCSI storage interconnect. Throughput on this server) PE6850 ROMB (PERC 4e/Di on each solution. Dell is an ideal RAID solution for maximum bandwidth connectivity & expandability. The following matrix describes the benefits of controllers includes the PERC...for RAID On Motherboard solutions and the PERC 4e/DC add-in Dell's PowerEdge enterprise systems. The RAID controller offers a cost-effective way to 12 meters long. The following PERC solutions support the PowerVault 220S and 221S External SCSI Storage solution: • Table 3-1: PERC ...
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... HDD SCSI ID, which one or more cluster nodes is actively processing requests for cluster applications while at least one or more costly in case of price/performance because one cluster node simply waits for the enclosure devices are hardwired by the enclosure backplane. Figure... 4-4 Cluster Topology Cabling Example PV22xS - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 a failover condition, access rights to the disk array assigned to the failed node is transferred to handle ...
... HDD SCSI ID, which one or more cluster nodes is actively processing requests for cluster applications while at least one or more costly in case of price/performance because one cluster node simply waits for the enclosure devices are hardwired by the enclosure backplane. Figure... 4-4 Cluster Topology Cabling Example PV22xS - A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 a failover condition, access rights to the disk array assigned to the failed node is transferred to handle ...
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...but can be lower with Single ZEMM and non-redundant PSU Minimum (for application attributes and are Field Replaceable units Redundancy Performance Data Protection Scalability Cost • Not on SCSI Path • Management capabilities with both ZEMMs Depends on HDD and ZEMM technology - Female VHDCI-type connector - ... Default depending on SCSI Path • Management capabilities with non-redundant PSU PAGE 26 11/17/2005 A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS Cable Connector VER A02 Controller Connector P-type connector - Male P-type connector -
...but can be lower with Single ZEMM and non-redundant PSU Minimum (for application attributes and are Field Replaceable units Redundancy Performance Data Protection Scalability Cost • Not on SCSI Path • Management capabilities with both ZEMMs Depends on HDD and ZEMM technology - Female VHDCI-type connector - ... Default depending on SCSI Path • Management capabilities with non-redundant PSU PAGE 26 11/17/2005 A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS Cable Connector VER A02 Controller Connector P-type connector - Male P-type connector -
Optimizing Dell SCSI Solutions
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... on a group of Hardware RAID vs Software RAID is termed a hardware RAID. The fact that certain considerations be more details on Dell PowerEdge Servers" papers in Appendix - A: References. SCSI bus technology (U160/U320) and Hard Disk Drive (HDD) spindle speeds •... controller doesn't provide any hardware RAID benefits similar to perform heavy data processing. is a trade-off between performance and cost. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 5. SCSI Host Bus Adapters / SCSI RAID This section addresses concerns specific to achieve an...
... on a group of Hardware RAID vs Software RAID is termed a hardware RAID. The fact that certain considerations be more details on Dell PowerEdge Servers" papers in Appendix - A: References. SCSI bus technology (U160/U320) and Hard Disk Drive (HDD) spindle speeds •... controller doesn't provide any hardware RAID benefits similar to perform heavy data processing. is a trade-off between performance and cost. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 5. SCSI Host Bus Adapters / SCSI RAID This section addresses concerns specific to achieve an...
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...performance than the failed drive it later or to one or more arrays. o More cost-effective than dedicated hot spares, but also help ensure integrity of data during system power loss. o Dell recommends using dedicated hot spares for critical data. • Consistency checks o Consistency ...A dedicated hot spare is slower, since the controller must wait for critical data. o As during a power loss. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 back up unit (see Table 5-2), there is a risk of data loss if system power is lost while unwritten information...
...performance than the failed drive it later or to one or more arrays. o More cost-effective than dedicated hot spares, but also help ensure integrity of data during system power loss. o Dell recommends using dedicated hot spares for critical data. • Consistency checks o Consistency ...A dedicated hot spare is slower, since the controller must wait for critical data. o As during a power loss. A REFERENCE GUIDE FOR OPTIMIZING DELL™ SCSI SOLUTIONS VER A02 back up unit (see Table 5-2), there is a risk of data loss if system power is lost while unwritten information...