Sun Microsystems SPARCstorage 100 Series Bedienungsanleitung

SPARCstorageArrayConﬁgurationGuide

Part No.: 802-2041-10

Revision A, March 1995

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iii

Contents

1. Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

1.1 SPARCstorage Array Model 100 System Features . . . . . . 1-1

1.2 SPARCstorage Array Model 200 System Features . . . . . . 1-3

1.3 General Information for SPARCstorage Array Model 100 and

200 Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

2. Hardware Conﬁgurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.1 Option 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2.2 Option 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

2.3 Option 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2.4 Option 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

3. Software Conﬁgurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

3.1 Independent Disks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.2 Striping (RAID 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

3.3 Mirroring (RAID 1). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

3.4 Mirroring Striped Disks (RAID 0 + 1) . . . . . . . . . . . . . . . . 3-4

3.5 RAID 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5

iv SPARCstorage Array Conﬁguration Guide—March 1995

3.6 Determining Which RAID Level to Use . . . . . . . . . . . . . . 3-6

3.7 Other Facts on RAID and the SPARCstorage Array . . . . 3-7

Figures

Figure 1-1 SPARCstorage Array Model 100 Series . . . . . . . . . . . . . . . . . . . 1-1

Figure 1-2 Internal Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Figure 1-3 SPARCstorage Array Model 200 Series Subsystem . . . . . . . . . 1-3

Figure 2-1 Option 1 Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Figure 2-2 Option 2 Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Figure 2-3 Option 3 Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Figure 2-4 Option 4 Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Figure 3-1 Example of Striped Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2

Figure 3-2 Example of Mirrored Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Figure 3-3 Example of Mirroring Striped Data . . . . . . . . . . . . . . . . . . . . . . 3-4

Figure 3-4 Graphical Representation of RAID 5 Writes . . . . . . . . . . . . . . . 3-6

vi SPARCstorage Array Conﬁguration Guide—March 1995

vii

Tables

Table 2-1 Option 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

Table 2-2 Option 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

Table 2-3 Option 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Table 2-4 Option 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

Table 3-1 Comparisons of RAID Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7

viii SPARCstorage Array Conﬁguration Guide—March 1995

1-1

ProductDescription 1

1.1 SPARCstorage Array Model 100 System Features

The SPARCstorage™ Array Model 100 Series provides SCSI disk expansion for

SPARCstation™, SPARCserver™ and SPARCcenter™ systems. It features three

drive trays—each tray conﬁgured with up to ten half-height, single-connector,

3.5-inch disk drives.

The SPARCstorage Array Model 100 Series, shown in Figure 1-1, features front

and rear component accessibility.

Figure 1-1 SPARCstorage Array Model 100 Series

1-2 SPARCstorage Array Conﬁguration Guide—March 1995

Internal system components (see Figure 1-2) are:

•Power supply

•Backplane

•Array controller, with

•Fibre Channel Optical Module (FC/OM)

•Battery module

•Fan tray

•Drive trays (3)

Figure 1-2 Internal Components

Array controller

Power supply

Drive tray

Fan tray

Backplane

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