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IBM 86626RY Hardware Maintenance Manual - Page 222

SCSI drives, When the Hard Disk Status light

UPC - 087944501879

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Each hot-swap drive bay has two indicator lights on the front of the server (see "Information LED panel" on page 205). If the amber Hard Disk Status light for a drive is lit continuously, that individual drive might be faulty and needs to be checked. See "ServeRAID system board controller" on page 66. When the Hard Disk Status light indicates a drive fault, you can replace a hot-swap drive without turning off the server. Each hot-swap drive that you plan to install must have a hot-swap-drive tray attached. The drive must have a single connector attachment (SCA) connector. Hot-swap-drive trays come with the hot-swap drives. The server comes with a preinstalled 3.5-inch, 1.44 MB diskette drive and a preinstalled IDE CD-ROM drive. Bays A and B come without a device installed. These bays are for 5.25-inch, half-high, removable-media drives, such as tape backup drives. Bays A and B can be combined into a single full-high bay. The Netfinity 5500 M20 supports only one diskette drive. The server does not support hard disk drives in bays A and B because of cooling considerations. Note The server's EMI integrity and cooling are both protected by having the left front bays (removable-media bays) covered or occupied. When you install a drive, save the filler panel from the bay, in case you later remove the drive and do not replace it with another. If you are installing a device with a 50-pin connector in one of the removable-media bays (bays A-B), you need a 68-pin to 50-pin converter. The server supports six slim (1-inch) or three half-high (1.6-inch), 3.5-inch hot-swap hard disk drives in the hot-swap bays. The hot-swap bays connect to a SCSI backplane. This backplane is the printed circuit board behind the bay. The backplane supports up to six hard disk drives. The diskette drive uses 1 MB and 2 MB diskettes. For optimum use, format 1 MB diskettes to 720 KB and format 2 MB diskettes to 1.44 MB. SCSI drives: Some drives have a special design called small computer system interface, or SCSI. This design allows you to attach multiple drives to a single SCSI channel. 214 Netfinity Server HMM

Section	Page
Contents	7
Netfinity 5500 M20 - Type 8662	9
General checkout	16
Diagnostic tools	19
Features	25
Configuring the server	27
Configuration overview	28
Configuration/Setup Utility program	29
System information:	31
System security:	33
Start options:	37
Advanced setup:	37
Plug and Play:	39
Error logs:	39
Save settings:	40
Configuring options	40
Configuring ISA and PCI adapters	41
Resolving configuration conflicts	41
Configuring the ethernet controller	43
Ethernet cable specifications	44
Ethernet connection problems	47
Failover for redundant Ethernet	48
Additional service information	52
Light path diagnostics	56
Netfinity Advanced System Management Processor	60
Software installation	68
Specifications	69
Using the ServeRAID Advanced Configuration Functions	71
ServeRAID system board controller	74
Understanding RAID technology	75
ServeRAID Configuration Program	78
ServeRAID Mini-Configuration Program	102
ServeRAID Administration and Monitoring Program	106
ServeRAID administration functions	111
ServeRAID monitoring functions	123
ServeRAID IPSSEND program (starting)	127
ServeRAID IPSMON program (starting)	136
ServeRAID device drivers and utility programs (installation)	138
ServeRAID programs for Windows NT and Windows 95	139
ServeRAID background-server components	139
Installing the ServeRAID WIN32-based program	141
Installing ServeRAID device drivers	142
Starting the ServeRAID background-server components	159
IPSSEND and IPSMON programs	162
Locations/Removals	168
Adapters	169
Battery replacement	181
Changing jumper positions	184
Completing the installation	186
Controls and indicators	189
CD-ROM drive	192
DASD backplane removal	194
Diagnostics panel LEDs	195
External options	196
Connecting external SCSI devices:	196
Input/output ports and connectors:	196
Front bezel removal	203
Hot-swap power supply installation	204
Hot-swap power supply removal	208
Hot-swap fan assembly replacement	210
Information LED panel	213
Information LED panel assembly removal	216
Input/output connectors and expansion slots	217
Interior LED and speaker assembly	220
Internal drives installation	221
Installing devices in the NetBAY3	233
Memory board component locations	238
Memory board jumpers	239
Memory board removal	240
Memory modules	242
Microprocessor installation	246
Preparing to install options	254
Power backplane removal	257
Power supplies	258
Power supply LEDs	259
Power supply filler panel	260
NetBAY3 bezel installation	261
Processor board component locations	262
Processor board jumpers	263
Processor board removal	265
Processor support tray removal	267
Processor support tray installation	269
Rack installation	270
SCSI backplane component locations	281
SCSI backplane option jumpers	282
Server cabling	283
Server door and trim bezels removal	284
Shuttle removal	285
Side cover(s) removal	286
System board component locations	287
System board jumpers	288
System board removal	290
Top cover removal	292
Symptom-to-FRU index	293
Beep symptoms	294
No beep symptoms	296
Information panel system error LED	298
Diagnostic error codes	301
Error symptoms	308
Power supply LED errors	309
POST error codes	312
SCSI error codes	319
ServeRAID controller error codes/messages	320
ServeRAID POST error codes	322
ServeRAID POST error procedures	322
ServeRAID Startup Messages	326
Undetermined problems	333
Parts listing (Type 8662)	335
System	337
Keyboards	343
Power cords	345
Related service information	347
Safety information	348
Problem determination tips	381
Notices	384

Match case Limit results 1 per page

Each hot-swap drive bay has two indicator lights on the

front of the server (see “Information LED panel” on

page

205).

If the amber Hard Disk Status light for a drive

is lit continuously, that individual drive might be faulty and

needs to be checked. See “ServeRAID system board

controller” on page

66.

When the Hard Disk Status light

indicates a drive fault, you can replace a hot-swap drive

without turning off the server.

Each hot-swap drive that you plan to install must have a

hot-swap-drive tray attached.

The drive must have a

single connector attachment (SCA) connector.

Hot-swap-drive trays come with the hot-swap drives.

The server comes with a preinstalled 3.5-inch,

1.44

MB diskette drive and a preinstalled IDE

CD-ROM drive.

Bays A and B come without a device installed.

These

bays are for 5.25-inch, half-high, removable-media

drives, such as tape backup drives.

Bays A and B

can be combined into a single full-high bay.

The Netfinity 5500 M20 supports only one diskette

drive.

The server does not support hard disk drives in bays

A and B because of cooling considerations.

Note

The server's EMI integrity and cooling are both

protected by having the left front bays

(removable-media bays) covered or occupied.

When you install a drive, save the filler panel

from the bay, in case you later remove the drive

and do not replace it with another.

If you are installing a device with a 50-pin connector

in one of the removable-media bays (bays A–B), you

need a 68-pin to 50-pin converter.

The server supports six slim (1-inch) or three

half-high (1.6-inch), 3.5-inch hot-swap hard disk

drives in the hot-swap bays.

The hot-swap bays connect to a SCSI

backplane

This backplane is the printed circuit board behind the

bay.

The backplane supports up to six hard disk

drives.

The diskette drive uses 1

MB and 2

MB diskettes.

For optimum use, format 1

MB diskettes to 720

and format 2

MB diskettes to 1.44

MB.

SCSI drives:

Some drives have a special design called

small computer

system interface

, or SCSI.

This design allows you to

attach multiple drives to a single SCSI channel.

214

Netfinity Server HMM