Step 5 Obtain the mapping between slot IDs and SSD drive letters based on the mapping between the
slot IDs and bus IDs.
For example, as shown in Figure 9-21, drive letter nvme0n1 maps to bus ID 0000:81:00.0.
According to the information obtained in Figure 9-20, bus ID 0000:81:00 maps to slot ID 8.
Therefore, drive letter nvme0n1 maps to slot ID 8.
NOTE
The slot IDs queried in Step 2 should be consistent with the slot IDs (4 to 7) marked on the server. If
they are not, get them from the 80 IDs obtained in Step 4. For example, "02.0" in 80 ID 0000:80:02.0
indicates the slot number.
----End
9.9 Erasing Storage Media Data
Storage media data can be erased by using the Linux command badblocks or the Toolkit.
Scenarios
l Scenario 1: The storage media where data is to be erased is not in a redundant RAID
array and the board OS is running properly. In this scenario, use the Linux command
badblocks to erase the storage media data.
l Scenario 2: The storage medium is not in a redundant RAID array and the OS is not
running properly. In this scenario, use the Toolkit to erase the storage media data.
l Scenario 3: The storage medium is in a redundant RAID array. In this scenario, migrate
the storage medium to an idle server, mount the Toolkit to the idle server, and erase data
from the storage medium.
Preparations
Prerequisites
l Scenario 1: The storage media where data is to be erased is not in a redundant RAID
array and the board OS is running properly.
l Scenario 2: The storage medium is not in a redundant RAID array and the OS is not
running properly.
l Scenario 3: The storage medium is in a redundant RAID array.
Data
l The number of the enclosure where the storage media is
l The slot number of the storage media
l Position of the storage media
Software
The Toolkit (File name: FusionServer Tools-Toolkit-Vxxx.zip) has been downloaded and
decompressed, and the image file (File name: FusionServer Tools-Toolkit-Vxxx.iso) is
obtained after the decompression.
Hardware
RH2288 V3 Server
User Guide
9 Common Operations
Issue 32 (2019-03-28) Copyright © Huawei Technologies Co., Ltd. 287
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