Setting The Es3000 Capacity - Huawei V100R002C01 User Manual

Tecal ES3000 High Performance PCIe SSD Card
User Guide
hio_label -d /dev/chioa -i HW0001
The following command output is an example:
Updating the device(hioa)'s label...OK
----End

4.4.7 Setting the ES3000 Capacity

Operation Scenarios
The ES3000 write performance, especially the random write input/output operations per second
(IOPS) of small data blocks, depends on the capacity. A smaller capacity ensures a higher random
write IOPS of small data blocks. You can set the ES3000 capacity within a specified range.
l The capacity setting operation cannot be interrupted. If the operation is interrupted, you need
l Before setting the capacity, migrate all virtual machines from the ES3000 and ensure that no
l Back up all required data before setting the capacity. This is because all data on the ES3000
Procedure
Delete the SSD device.
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Set the capacity.
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Issue 04 (2014-03-05)
NOTE
The OTHER field value contains a maximum of 31 characters.
NOTICE
to set the capacity again. Otherwise, the SSD device cannot be properly used.
host is accessing the ES3000.
will be lost after the capacity is set. Use the command with caution.
Log in to the vSphere Client and select the host from the Inventory panel.
Click the Configuration tab.
Click Storage in the Hardware panel.
Click Datastores.
Right-click the SSD to delete and click Delete.
Confirm that you want to delete the SSD.
Log in to the operating system (OS) as an administrator.
Set the capacity of SSD device /dev/chioa to 300 GB.
hio_capacity -d /dev/chioa -c 300
The following command output is an example:
Warning: ALL DATA in the device will be LOST, backup before the change.
Note: please make sure the device is unmounted and unused.
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4 Common Operations
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