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Huawei Certified ICT Professional-Constructing Cloud Storage Solution Questions 249–253 (page: 16)

In Huawei OceanStor 9000, the client that processes the write request will process the data according to the protection level specified by the file. The slice is written to the power-saving memory on the corresponding node, and then the verification data piece is calculated by each node, and written into the power-saving memory of each node, all sections
Huawei question bank battle report group: 39245961 points written to the power-saving memory is successful, this write operation is successful.

You can use the InfoLocker feature of the OceanStor 9000 to satisfy a multi-read business scenario.

When restarting the Huawei OceanStor 9000 node, if the log information shows "phy: 25; handle SMP req 2" and "phy: 26; handle
SMP req 2" indicates that the system disk is faulty and may not start properly.

Adjust the TCP parameters of the LINUX client accessing the Huawei OceanStor 9000 cluster to improve access performance. Under 10GE network, TCP
The size of the send and receive buffer area is recommended to increase to the following value, net.ipv4.tcp_rmem='4000000 8000000 16000000'net.ipv4
+tcp_wmem='4000000 8000000 16000000'

In the OceanStor 9000 storage system, if you want to perform complete network tuning, you need to check both the storage node and the switch.

And adjustments.