HP P4000 SAN User Manual page 58

Best practices for deploying citrix xenserver

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This example will only contain two virtual disks. The command returns two names starting with VHD

and concatenated with the virtual disk UUID. Note that in XenServer 5.0, the names started with LV,

as shown in Figure 49.

Figure 49.New name.

Step 9 – From the XenServer console in XenCenter. The XPSP2-02-RS-1 storage repository volume

group's virtual disks need to be renamed. In this example, the two virtual disks,

"/dev/VG_XenStorage-da304b0f-fe27-40b2-9034-7799b97b197d/VHD-ed07c314-5f69-491d-

ba12-44f24522345a" and "/dev/VG_XenStorage-da304b0f-fe27-40b2-9034-

7799b97b197d/VHD-1d128180-3ef3-4e62-977a-2d2883551058" will be renamed. Two random

UUIDs will be created with the following command:

The command returns two random UUIDs. In this example, the two random UUIDs are "1a1ccad1-

5528-4809-8c3c-28665474364b" and "94d23675-8e6a-460e-998a-04c0adbb47dd." On the

console command line, type each command separately:

ed07c314-5f69-491d-ba12-44f24522345a /dev/VG_XenStorage-da304b0f-fe27-40b2-9034-

7799b97b197d/VHD-1a1ccad1-5528-4809-8c3c-28665474364b

1d128180-3ef3-4e62-977a-2d2883551058 /dev/VG_XenStorage-da304b0f-fe27-40b2-9034-

7799b97b197d/VHD-94d23675-8e6a-460e-998a-04c0adbb47dd

The command returns that the each volume group has been renamed. Note the new UUID highlighted

in bold which matches the generated UUID.

lvdisplay | grep "VG_XenStorage-da304b0f-fe27-40b2-9034-7799b97b197d"

cat /proc/sys/kernel/random/uuid; cat /proc/sys/kernel/random/uuid

lvrename /dev/VG_XenStorage-da304b0f-fe27-40b2-9034-7799b97b197d/VHD-

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