Adaptec 6405 Betriebsanweisung PDF herunterladen (Seite 41)

Connecting Disk Drives to Your Controllers

You can connect SAS disk drives, SATA disk drives, and SATA and SAS Solid State Drives (SSDs) to your

Adaptec RAID controller. (See www.adaptec.com/compatibility for a list of compatible drives.) There

are no jumpers or switches to set before installation.

If you plan to build a bootable array, ensure that you install at least the minimum number disk drives

required to support the RAID level you want. See Choosing a RAID Level on page 31 for more information.

Note: Although you can connect both SAS and SATA disk drives to your SAS controller,

we recommend that you do not combine SAS and SATA disk drives within the same

array. See What is SAS? on page 69 for more information.

You have two connection options:

• To connect directly to the controller, see the following section.

• To connect to a backplane, see Connecting Drives to a System Backplane on page 41.

To connect Solid State Drives to your controller, see Connecting Solid State Drives (SSDs) on page 41.

Connecting Drives Directly to the Controller

In a direct-attach connection, SAS or SATA disk drives are connected directly to a SAS card with SAS

cables. The number of direct-attached disk drives is limited to four per internal SAS connector. (For

more information about direct-attach connections, see How are Disk Drives Identied in SAS? on page

71.)

1. Install your internal SAS or SATA disk drives, following the instructions in your system's documentation.

2. Use internal SAS, mini-SAS, or mini-SAS HD cables to attach the disk drives to the controller, as

required.

3. When all internal disk drives have been installed and attached to the controller, close your computer

cabinet, reattach the power cord, then continue with Connecting External Devices on page 42.

Connecting Drives to a System Backplane

In a backplane connection, disk drives and SAS cards are attached to and communicate with each other

through a system backplane.

The number of disk drives is limited to the number of slots available on the backplane. Some backplanes

have embedded SAS expanders and can support up to 128 end devices. (For more information about

backplane and expander connections, see How are Disk Drives Identied in SAS? on page 71.)

1. Connect one or more internal SAS or SATA disk drives to the backplane. (Refer to your system's

documentation for more information.)

2. Use an internal mini-SAS or mini-SAS HD cable to connect the controller to the backplane, as required.

3. When all internal disk drives have been installed and connected, close your computer cabinet,

reattach the power cord, then continue with Connecting External Devices on page 42.

Connecting Solid State Drives (SSDs)

To connect a Solid State Drive to your controller, you can use a direct-attached connection or a backplane

connection, as required. If your server does not have a standard 2.5-inch drive tray, you must use a

bracket/SLED which enables the SSD to t properly.

Note: For Adaptec maxCache applications or hybrid RAID arrays (comprised of hard

drives and SSDs) you can use any Solid State Drive on the compatibility list. See

www.adaptec.com/compatibility for a list of compatible SSDs. Adaptec maxCache is

supported on Adaptec Series Q controllers only.

In a direct-attach connection (described in the steps below), you connect SSDs directly to the controller

with SAS cables (mini-SAS to SATA). In a backplane connection, use the appropriate cable for your

backplane type (see Connecting Drives to a System Backplane on page 41 for more about backplane

connections). For maxCache caching applications, you can connect a maximum of 16

maxCache-compatible SSDs to a controller. For RAID arrays, Adaptec controllers support a maximum

of 256 drives, including SSDs (for details, see About Your RAID Controller on page 17).

41Proprietary and Condential to PMC-Sierra, Inc.

Document No.: CDP-00277-02-A Rev. A, Issue:

Serial Attached SCSI RAID Controllers Installation and User's Guide

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