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Sun Microsystems StorEdge 3310, Руководство по лучшим практикам

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    Sun StorEdge 3000 Family Best Practices Manual

 

• May 

2005

Since it is not possible to predict the side-effects of all current and future security 
software products, place your Sun StorEdge 3000 Family SCSI arrays on private 
subnets. 

Sun StorEdge 3000 Family SCSI Array 
Features

On Sun StorEdge 3000 Family SCSI arrays, RAID controller channels 1 and 3 are 
designated host channels. Any of the host channels can be configured as a drive 
channel. 

Sun StorEdge 3000 Family SCSI RAID controller channels 0 and 2 are dedicated 
drive channels that connect to expansion units. Each I/O board has two ports 
designated as disk drive loops. These ports connect to the internal dual-ported SCSI 
disk drives and are used to add expansion units to the configuration.

For more information about host and drive channels, refer to the 

Sun StorEdge 3000 

Family RAID Firmware User’s Guide

.

Underlying Concepts and Practices

This section provides a brief overview of important concepts and practices that 
underlie the configurations you can use. These concepts and practices are described 
in more detail in other books in the Sun StorEdge 3000 family documentation set. 
Refer to the “Release Documentation” section of the Release Notes for your array for 
a list of those books.

Supported RAID Levels

Several RAID levels are available: RAID 0, 1, 3, 5, 1+0, 3+0, and 5+0. RAID levels 1, 
3, and 5 are the most commonly used. Sun StorEdge 3000 family arrays support the 
use of both global and local spare drives in the unlikely event of disk failure. It is 
good practice to use spare drives when configuring RAID devices. Refer to the 

Sun 

StorEdge 3000 Family RAID Firmware User’s Guide 

for detailed information about how 

RAID levels and spare drives are implemented.

Содержание StorEdge 3310

Страница 1: ... sun com Submit comments about this document at http www sun com hwdocs feedback Sun StorEdge 3000 Family Best Practices Manual Sun StorEdge 3320 SCSI Array Sun StorEdge 3310 SCSI Array Part No 819 1275 12 May 2005 Revision A ...

Страница 2: ...INVALID Copyright 2002 2006 Dot Hill Systems Corporation et d autres 2200 Faraday Avenue Suite 100 Carlsbad Californie 92009 Etats Unis Tous droits réservés Sun Microsystems Inc et Dot Hill Systems Corporation peuvent avoir les droits de propriété intellectuels relatants à la technologie incorporée dans le produit qui est décrit dans ce document En particulier et sans la limitation ces droits de p...

Страница 3: ...ler Configurations 5 Single Controller Configurations 5 Scaling Capacity 6 First Steps in Designing a Solution 6 When Designing a Storage Solution for an Existing Environment 7 When Designing a New Storage Solution 7 General Configuration Considerations 7 Single Processor Server Applications 9 Multiple Processor Server Applications 9 Best Practices Print Servers 11 Print Server Architecture and Co...

Страница 4: ...guration 15 Application Server Tips and Techniques 16 Best Practices Mail Servers 17 Mail Server Architecture and Configuration 17 Mail Server Tips and Techniques 18 Best Practices Database Servers 19 Database Server Architecture and Configuration 19 Database Server Tips and Techniques 20 Best Practices Consolidated Servers 21 Consolidated Server Architecture and Configuration 21 Consolidated Serv...

Страница 5: ... to twelve disk drives with SCSI connectivity to the data host The Sun StorEdge 3310 SCSI array is an earlier Ultra160 version of the product that is no longer offered but is still supported Sun StorEdge 3000 Family SCSI arrays offer many performance and reliability availability and serviceability RAS features using familiar SCSI technology and can be used as is or tailored to fit your needs Examp...

Страница 6: ...formation about host and drive channels refer to the Sun StorEdge 3000 Family RAID Firmware User s Guide Underlying Concepts and Practices This section provides a brief overview of important concepts and practices that underlie the configurations you can use These concepts and practices are described in more detail in other books in the Sun StorEdge 3000 family documentation set Refer to the Relea...

Страница 7: ...sult in a supported storage capacity of 4 68 Tbyte 16 logical drives x 300 Gbyte each 4 68 Tbyte total capacity Each logical drive can be partitioned into up to 32 separate partitions or be used as a single partition Partitions are presented to hosts as LUNs For information about maximum disk logical drive and array capacity refer to the Sun StorEdge 3000 Family RAID Firmware User s Guide Once the...

Страница 8: ...Ethernet port connection telnet can be used to access the firmware application All procedures except the initial assignment of an IP address can be done through an Ethernet port connection Refer to the Sun StorEdge 3000 Family Installation Operation and Service Manual for your array for more information Using the out of band Ethernet port connection or in band connection Sun StorEdge Configuration...

Страница 9: ... connection becomes unreliable or fails Single Controller Configurations Using single connections between SCSI arrays and servers creates single points of failure SPOF that can cause interruptions in the event a connection becomes unreliable or fails This is not a recommended configuration unless host based mirroring is utilized to protect against single points of failure Similarly using only a si...

Страница 10: ...ysical units Expansion units simply add bays to base units to increase the total number of disks that can be supported Sun StorEdge 3000 Family SCSI arrays can support two expansion units for a total of 36 300 Gbyte disks providing a maximum of storage capacity of 10 54 Tbyte For information about maximum disk logical drive and array capacity refer to the Sun StorEdge 3000 Family RAID Firmware Use...

Страница 11: ...ation Considerations The entry level configuration for a SCSI array uses only one RAID controller If this configuration is used two single controller arrays should use host based mirroring to ensure high reliability availability and serviceability RAS Note Refer to VERITAS Volume Manager or an equivalent host mirroring application to set up the optimum configuration with single controller arrays U...

Страница 12: ...gical drives across expansion units To avoid disruptions to other hosts sharing the same array do not share a logical drive among multiple hosts Use either local or global spare drives when creating logical drives Any free drive can be designated as a spare and more than one drive can be used as a spare The maximum number of LUNs is 128 Power up the equipment in the following order a Expansion uni...

Страница 13: ...plications Another popular use of entry level servers is for providing mail database and other services to workgroup departmental and branch office users The server and storage solutions used to provide these sophisticated services must be able to scale in application performance and storage capacity to keep pace with the needs of increasing number of network users The Sun Fire V480 Server and Sto...

Страница 14: ... Processor Servers Mail Server Database Server Consolidated Server Availability High High High Storage Capacity Medium to high Medium to high Medium to high Special Needs High transaction and data rates High transaction and data rates High transaction and data rates Access Pattern Random Random Random ...

Страница 15: ... and large storage solutions for print server environments FIGURE 1 shows the scalability between the print server and Sun StorEdge 3000 Family SCSI array Print Server Architecture and Configuration FIGURE 1 Optimized Architecture for Print Servers TABLE 3 describes possible print server configurations Small configuration Large configuration Scalability ...

Страница 16: ...rations will provide RAS similar to a single controller RAID array Each server must be connected to a different SCSI bus when using the recommended large configuration When adding a second server one RAID 1 logical drive can be reassigned to the second server by moving its drives to the second SCSI bus if the server operating systems and volume managers are compatible TABLE 3 Configuration Details...

Страница 17: ...ll and large storage solutions for file server environments FIGURE 2 shows the scalability between the file server and Sun StorEdge 3000 Family SCSI array File Server Architecture and Configuration FIGURE 2 Optimized Architecture for File Servers TABLE 4 describes typical file server configurations Scalability Small configuration Large configuration ...

Страница 18: ...D controllers and two logical drives provides very high transaction rates even if there are a relatively small number of disk drives in use Adding disk drives to logical drives linearly improves transaction performance whenever cache misses occur regardless of whether the additional storage capacity is utilized or not Rapidly growing network response times as users are added is an indication the f...

Страница 19: ...torage solutions for application server environments FIGURE 3 shows the scalability between the application server and Sun StorEdge 3000 Family SCSI array Application Server Architecture and Configuration FIGURE 3 Optimized Architecture for Application Servers TABLE 5 describes typical application server configurations Scalability Small configuration Large configuration ...

Страница 20: ...S without adding disks and creating a second logical drive Redundant RAID controllers will operate in an active standby mode when only one logical drive is available Enhance application server availability by booting them from the RAID array rather than their internal drives This also facilitates the rapid replacement of malfunctioning or failed servers If attaching the RAID array to multiple host...

Страница 21: ...ll and large storage solutions for mail server environments FIGURE 4 shows the scalability between the mail server and Sun StorEdge 3000 Family SCSI array Mail Server Architecture and Configuration FIGURE 4 Optimized Architecture for Mail Servers TABLE 6 describes typical mail server configurations Scalability Small configuration Large configuration ...

Страница 22: ... desired amounts of RAID 3 and RAID 5 storage capacity Assign at least one disk as a spare Scale storage capacity by adding disks to either the RAID 3 or RAID 5 logical drive depending on need Balance performance by assigning the RAID 3 logical drive to one RAID controller and the RAID 5 logical drive to the other RAID controller When connecting a server to the array using two SCSI buses map each ...

Страница 23: ...arge storage solutions for database server environments FIGURE 5 shows the scalability between the database server and Sun StorEdge 3000 Family SCSI array Database Server Architecture and Configuration FIGURE 5 Optimized Architecture for Database Servers TABLE 7 describes typical database server configurations Scalability Small configuration Large configuration ...

Страница 24: ...Scale storage capacity by adding disks to the RAID 5 logical drive Adding disk drives to RAID 5 logical drives linearly improves transaction performance whenever cache misses occur regardless of whether the additional storage capacity is utilized or not For environments with extreme performance needs use two of the small configuration arrays rather than one of the large configuration arrays Doing ...

Страница 25: ...storage solutions for consolidated server environments FIGURE 6 shows the scalability between consolidated servers and the Sun StorEdge 33x0 SCSI array Consolidated Server Architecture and Configuration FIGURE 6 Optimized Architecture for Consolidated Servers TABLE 8 describes typical consolidated server configurations Scalability Small configuration Large configuration ...

Страница 26: ...tive to a separate dedicated RAID 1 logical drive To avoid reduced performance add extra storage when a LUN reaches 80 full Balance workloads by assigning the RAID 5 logical drive to one RAID controller and the RAID 3 logical drive to the other controller If there is a RAID 1 logical drive created assign it to the same RAID controller as the RAID 3 logical drive When connecting a server to the arr...

Страница 27: ...o Sun StorEdge 3000 Family SCSI arrays feature a modular architecture with flexible configurations For example a storage solution can consist of a JBOD array a RAID array or a combination of both Configuration preferences include user selectable RAID protection levels controller optimization and more Modularity and flexibility allow the storage solution to quickly and easily adapt to a particular ...

Страница 28: ...24 Sun StorEdge 3000 Family Best Practices Manual May 2005 ...

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