FAQ-How Can I Query Which Link Is Active in the Current Storage System After the UltraPath Software Is Installed

Publication Date:  2015-07-24 Views:  256 Downloads:  0
Issue Description
How can I query which link is active in the current storage system after the UltraPath software is installed?

Solution
Installing the UltraPath for Windows software on the application server

After correctly installing the UltraPath for Windows software and obtaining system storage resources, run program Launch UPManager.exe. The UltraPath for Windows Manager page is displayed. Click the All LUNs IO Count tab page. Paths available on controllers are displayed, as shown in Figure 1.

Figure 1 Querying path information using controllers




Installing the UltraPath for AIX software on the application server

Run lspath on the command-line interface. All paths are displayed. The following message is displayed:


bash-3.00# lspath
Enabled hdisk0  sas0
Enabled hdisk1  sas0
Enabled updisk0 fscsi2
Enabled updisk0 fscsi2
Enabled updisk0 fscsi3
Enabled updisk0 fscsi3
Enabled updisk1 fscsi2
Enabled updisk1 fscsi2
Failed updisk1 fscsi3
Missing updisk1 fscsi3


NOTE:
    When the path status is Enabled, the path is available.
    When the path status is Failed, I/O operations fail. The path is unavailable.
    When the path status is Missing, the path exists but cannot be detected since last restart of the application server.

Installing the UltraPath for Linux software on the application server

Run upadm show path on the command-line interface. All paths are displayed.


linux-a6n4:~ # upadm show path
-------------------------------------------
Array ID          : 0
Module Name       : HUAWEI_S2600
ControllerA State : normal
Path State        : H6C0T0L000    Up
                    H6C0T0L001    Up
                    H6C0T0L002    Up
                    H6C0T0L003    Up
ControllerB State : normal
Path State        : H7C0T0L000    Up
                    H7C0T0L001    Up
                    H7C0T0L002    Up
                    H7C0T0L003    Up
-------------------------------------------


NOTE:
    When the path status is Up, the path is available.
    When the path status is Down, I/O operations fail. The path is unavailable.

END