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Chapter 8

Setting Up XenServer

8.5

Setting the Multipaths

Check the multipath status.

Check that all the Storage Repositories that are created in XenServer have multiple paths.

(1)

Execute the "mpathutil list" command and check that all the Storage Repositories that were cre-

ated in

Example:

$ mpathutil list

3600000e00d0000000001000000720000

3600000e00d0000000001000000730000

3600000e00d0000000001000000740000

3600000e00d0000000001000000320000

3600000e00d0000000001000000330000

(2)

Execute the "mpathutil status" command to check the following items.

Example:

When the ETERNUS DX80 S2 is connected in a two-path configuration

The multipath consists of the block device names "sdb"

and "sdn. "3600000e00d0000000001000000720000"

is created.

$ mpathutil status

3600000e00d0000000001000000720000 dm-0 FUJITSU,ETERNUS_DXL

[size=20G ][features=1 queue_if_no_path][hwhandler=0 ]

\_ round-robin 0 [prio=50][active]

\_ 1:0:0:0 sdb 8:16 [active][ready]

\_ round-robin 0 [prio=10][enabled]

\_ 4:0:0:0 sdn 8:208 [active][ready]

Example:

When the ETERNUS DX80 S2 is connected in a four-path configuration

The multipath consists of a path group with the block devices "sdb" and "sdl" and a path

group with the block devices "sdq" and "sdg". "3600000e00d0000000001000000720000" is

created.

$ mpathutil status

3600000e00d0000000001000000720000 dm-0 FUJITSU,ETERNUS_DXL

[size=10G ][features=1 queue_if_no_path][hwhandler=0 ]

_ round-robin 0 [prio=100][enabled]

_ round-robin 0 [prio=20][enabled]

FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide -Server Connection- (Fibre Channel) for Citrix

"8.4 Creating a Storage Repository" (page 25)

Two block device names are displayed

for a two-path configuration.

_ 1:0:0:0 sdb 8:16 [active][ready]

_ 3:0:0:0 sdl 8:176 [active][ready]

_ 4:0:0:0 sdq 65:0 [active][ready]

_ 2:0:0:0 sdg 8:96 [active][ready]

Four block device names are

displayed for a four-path

configuration.

are displayed.

"ETERNUS_DXL" is displayed

since the ETERNUS DX80 s2 is

connected.

When the path status is normal,

"[active][ready]" is displayed.

When the path status is normal,

"[active][ready]" is displayed.

XenServer

P3AM-4572-19ENZ0