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with a connection from I/O module B on the HP StoreEasy 5000 Storage to I/O module B on the

last disk enclosure in the group. In between, the disk enclosures are connected together.

Figure 7 (page 12) shows an example of a single SAS chain; Figure 9 (page 14) shows an example

of two SAS chains. When the disk enclosures are connected to each other, this is a called a SAS

daisy chain. In a SAS daisy chain, I/O module A of each disk enclosure is connected together

and I/O module B of each disk enclosure is connected together. See Figure 7 (page 12) and

Figure 8 (page 13) for examples of SAS daisy chain connections.

The following figures show the correct cabling of disk enclosures to the storage system chassis.

Consider the following guidelines when cabling disk enclosures:

• On the HP StoreEasy 5000 Storage, always connect the same port from I/O module A and

I/O module B to create a SAS chain. For example, port 1 from I/O module A and port 1

from I/O module B creates a chain. Port 1 from I/O module A and port 2 from I/O module

B does not create a SAS chain. The port from I/O module A is the beginning of the chain and

the port from I/O module B is the end of the chain.

• A maximum of eight HP D2600 or HP 2700 Disk Enclosures is supported.

• A maximum of four disk enclosures (either D2600 or D2700) are allowed on one SAS chain.

• A mix of HP D2600 and HP D2700 Disk Enclosures (maximum of eight total) is also supported.

• When connecting disk enclosures together, ensure that the disk enclosures are the same type

(for example, D2600 to D2600 and not D2600 to D2700).

• Connect I/O modules A together in a “top to bottom” order.

• Connect I/O modules B together in a “bottom to top” order.

• On the HP StoreEasy 5000 Storage, do not connect both ports from one I/O module (either

A or B) to the same disk enclosure. For example, port 1 of I/O module A connects to one disk

enclosure and port 2 of I/O module A connects to a different disk enclosure.

• The HP StoreEasy 5000 Storage does not currently support connection to a D6000.

Figure 7 (page 12) shows an HP StoreEasy 5000 Storage with two D2600 Disk Enclosures.

NOTE: In the cabling diagrams that show only the D2600 Disk Enclosure, be aware that the

cabling is exactly the same for the D2700 Disk Enclosure.

Cable disk enclosures 11

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HP 10TB Betriebsanweisung Seite 11