AvailabilityGuard uses the standard SYMAPI interface and read-only SYMCLI commands to collect configuration data from EMC Symmetrix / VMAX storage arrays.
The commands are run on one or more UNIX servers in the IT environment which are installed with the EMC Solutions Enabler software. Collectively, these servers can query all Symmetrix arrays in the scope. These servers are also known as SYMCLI proxies.
AvailabilityGuard runs read-only commands on the SYMCLI proxy over a secure shell (SSH) session. Privileges to run the required commands can be granted through access control systems such as sudo, PowerBroker (pbrun), UPM (pmrun), CA Access Control (seSUDO), Keon/FoxT, super, or similar software.
To scan an EMC Symmetrix / VMAX storage array through a SYMCLI proxy, you should make the following preparations:
- Obtain the SYMCLI proxy name or IP address.
- While not mandatory, it is a best practice to select proxies which are used to manage storage replication activities.
- Ensure that the proxy is able to report on the target storage systems including systems which are destination for remote replication.
- Obtain a user account profile on each SYMCLI proxy (OS user account).
- If you prefer, configure sudo, PowerBroker (pbrun), UPM (pmrun), or similar definitions for the user account on each SYMCLI proxy.
Suggested sudoers configuration:
username ALL= NOPASSWD: /usr/symcli/bin/* list*, /usr/symcli/bin/symcli -def
- Verify that IP connectivity through SSH (default port 22) is available between the
AvailabilityGuard collector server and each SYMCLI proxy.
Note: Windows servers can also be used as SYMCLI proxies. When using a Windows SYMCLI proxy, AvailabilityGuard opens a WMI or WRM connection to the proxy and runs read-only SYMCLI commands to collect the configuration data. Refer to Windows Scan Requirements for additional detail.
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