IBM DS6000 Series manual O L

Fourth

expansion enclosure

Second

expansion enclosure

	switch	16	switch
				Cables between
	FC		FC
		1		enclosures
	switch	16	switch	Up to 16 DDMs
				per enclosure
0
	FC		FC
p		1		Raid controller
o
				disk exp ports
o
L	FC switch		FC switch
		16
		1
				Server
				enclosure

Controller 0 Controller 1

First

expansion enclosure

Third

expansion enclosure

Fifth

expansion enclosure

1

p o o L

FC switch	1	FC switch
	16

FC switch	1	FC switch
	16

FC switch	1	FC switch
	16

EXP 1

73GB, 15k rpm

DDMs

EXP 3

145GB, 10k rpm

DDMs

EXP 5

300GB, 10k rpm

DDMs

Raid controller disk contrl ports

You can configure an intermix configration in a DS6800

Figure 5-5 DS6800 switched disk expansion

When you add new DDMs into an enclosure or attach additional enclosures, you don’t need disruptive maintenance. To add new DDMs into an existing enclosure, you have only to pull out the dummy carriers and replace them with the new DDMs. To attach additional enclosures, you only have to attach the new enclosures to the existing enclosures with Fibre Channel cables.

88DS6000 Series: Concepts and Architecture