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FusionStorage 8.0.0 Software Installation Guide 02

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Modifying the I/O Suspension Timeout Interval

Modifying the I/O Suspension Timeout Interval


If the system is planned to use the ASM Mirror function of the Oracle database, you need to change the I/O suspension timeout interval to prevent normal services from being interrupted when a fault occurs in the system.


  1. Use PuTTY to log in to the management node as user dsware using a management plane floating IP address.

    The default password of user dsware is IaaS@OS-CLOUD9!.

    Use the public and private key pairs for login authentication. For details, see Using PuTTY to Log In to a Node in Key Pair Authentication Mode.

  2. Run the cd /opt/dsware/client/bin command to enter the specified path.
  3. Run the sh --op modifySysPara -para g_dsware_io_hang_timeout:90 command to change the I/O suspension timeout interval to 90 seconds.

    • When the Oracle database is used, change the value of asm_hbeatiowait to 150 seconds.
    • Since the system security is hardened, you need to enter the user name and password for authentication after running the dswareTool command. The default user name and password are cmdadmin and IaaS@PORTAL-CLOUD9!, respectively.
    • If you do not want to enter the user name and password for authentication every time upon the execution of the dswareTool command, you can import environmental variables for authentication. For details, see Configuring Environment Variables for Authentication.

Updated: 2019-07-12

Document ID: EDOC1100081424

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