Hp Hitachi Dynamic Link Manager Software Manual do Utilizador descarregar pdf (Página 269)

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101

3. Creating an HDLM Environment

245

ARRAY /dev/md0 level=linear num-devices=1

UUID=426a9f1c:9cfa6310:6aa9a80b:11ea2102 auto=yes

11. On the DEVICE line of the configuration file, change a SCSI device name to an

HDLM device name.

Based on the correspondence between the HDLM devices and SCSI devices

checked in step 6, change the SCSI device names on the

DEVICE line to the

HDLM device names.

Before the correction:

DEVICE /dev/sdo1 /dev/sdh1

After the correction:

DEVICE /dev/sddlmaa1

When you edit the DEVICE line, change only the device names. Do not change the

partition numbers.

12. Execute the following command to deactivate the md device:

# mdadm -Ss /dev/md0

13. Make sure that the md device has been deactivated.

In the following example, the

LINEAR function is used for the md device:

# cat /proc/mdstat

Personalities : [linear] [multipath]

unused devices: <none>

Make sure that md0 : active is not displayed.

Although

[multipath] will be displayed until the host is restarted, there

are no operational problems.

14. Activate the md device and add a path to the LU.

Perform steps 15 to 19 in (1) When the MULTIPATH Function Is Not Being Used

for md Devices.

Note that, in step 17 in (1) When the MULTIPATH Function Is Not Being Used

for md Devices,

[multipath] will be displayed until the host is restarted.

However, there are no operational problems.

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