Testing disk performance manually, Testing disk performance on a schedule, Secure erase – QNAP TVS-472XT 4-Bay NAS Enclosure User Manual

Page 39: Securely erasing a disk

Advertising
background image

• For accurate results, do not use any resource-intensive applications while the tests are

running.

Testing Disk Performance Manually

1. Go to Storage & Snapshots > Storage > Disks/VJBOD .

2. Click Performance Test.

The Performance Test screen appears.

3. Select one or more disks.

4. Click Performance Test and then select a test type.

Test Type

Description

Test Results Format

Sequential read

Test sequential read speed.

MB/s

IOPS read

Test random read speed.

IOPS

A confirmation message appears.

5. Click OK.

QTS runs the test and then displays the results on the Performance Test screen. To see detailed results for

the IOPS read test, select one or more disks and then select Result > IOPS read result .

Testing Disk Performance on a Schedule

1. Go to Storage & Snapshots > Storage > Disks/VJBOD .

2. Click Performance Test.

The Performance Test screen appears.

3. Set Weekly Test to On.

A confirmation message appears.

4. Click OK.

QTS runs a sequential read test for all disks every Monday at 6.30am, and then displays the results on the

Performance Test screen.

Secure Erase

Secure erase permanently deletes all data on a disk, ensuring that the data is unrecoverable. Using secure

erase on an SSD also restores the disk's performance to its original factory state.

Securely Erasing a Disk

Important

Do not disconnect any disks or power off the NAS while secure erase is running.

1. Go to Storage & Snapshots > Storage > Disks/VJBOD .

2. Select a free disk.

3. Click Action, and then select Secure Erase.

The Secure Erase window opens.

QTS 4.4.x User Guide

Storage & Snapshots

38

Advertising