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Huawei SAP HANA Appliance Single Node Installation Guide (RH5885H and RH8100 V3+Broadwell+SLES) 12
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HANA 2.0 DataBase Parameters

HANA 2.0 DataBase Parameters

Parameters for the data volume:

async_write_submit_active:on

async_read_submit:on

async_write_submit_blocks:all

max_parallel_io_requests=128

Parameters for the log volume:

async_write_submit_active:on

async_read_submit:on

async_write_submit_blocks:all

max_parallel_io_requests=128

Log in to the HANA database using PuTTY and run the following commands, where 00 is the instance number of the database. The instance number varies with actual conditions. In a single-tenant mode, the instance number is 00 and the port number is 30015. In a multi-tenant mode, the instance number is 00 and the port number is 30013. Besides, use the password of the database user (SYSTEM) to replace Huawei123.

hw00001:~ # su - s00adm
hw00001:/usr/sap/S00/HDB00> HDB start
s00adm@hw00001:/usr/sap/S00/HDB00>hdbsql -u SYSTEM -p Huawei123

Welcome to the SAP HANA Database interactive terminal.

Type:  \h for help with commands
\q to quit


hdbsql S00=> ALTER SYSTEM ALTER CONFIGURATION ('global.ini', 'SYSTEM') SET ('fileio','max_parallel_io_requests[DATA]') = '128';
hdbsql S00=> ALTER SYSTEM ALTER CONFIGURATION ('global.ini', 'SYSTEM') SET ('fileio','max_parallel_io_requests[LOG]') = '128';
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Updated: 2020-03-20

Document ID: EDOC1100017252

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