General Settings

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This page allows you to configure the basic system-related settings such as:

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  • Run Diagnostics - run diagnostics to validate the network settings that you configure on this page.
  • Name settings - the name of this appliance.  This name is not used in Domain Name Service (DNS) name resolution. It is used when generating printable versions of monitoring charts.
  • Network interfaces - the configurable parameters for each of the network interfaces on this appliance, including IP address, subnet mask, default gateway, and interface state (enabled or disabled). 
  • DNS settings - specify a primary and secondary DNS server by IP address for your appliance to use when resolving cloud storage service provider hostnames to IP addresses.
  • Time settings - specify one or more Network Time Protocol (NTP) servers to use for synchronizing your appliance’s time with the rest of the network.

Additionally, there is another relevant section in this page that the user may need in order to completely validate the network configuration of the appliance.

  • Warning Conditions - presents the details of conditions that could result in a warning alert when the user has performed a connectivity check via Run Diagnostics.

File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: When configuring elements on this page, you must hit the ‘Apply’ button within the section that you are configuring before moving on to the next section. The ‘Apply’ button only saves the configuration for the section it is contained within.

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Run Diagnostics

The 'Run Diagnostics' button allows you to verify network configuration and identify any situations preventing normal system operation.

 

 

Selecting this option takes you to the following screen.

 

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Running Diagnostics would launch a process that would perform a connectivity check for a series of verifiable items, each critical to operation of your appliance. A healthy status icon indicates that the configuration of that particular element is not of concern. A warning status icon such as or indicates that there may be a condition that is of concern, which could impact operation.

 

  • IP Addresses - Your appliance automatically checks to see if IP addresses and subnet masks are assigned to each enabled interface. If an enabled interface does not have an IP address and subnet mask, a warning status will be set.
  • Network Interface Verification - Your appliance examines that all enabled interfaces are operational and the operating speed and duplex of each interface. If any enabled interface is operating in half-duplex or at speeds lower than 100Mbps, a warning status will be set.
  • Default Gateway - Your appliance verifies that a default gateway is reachable, which is necessary in order to reach a cloud storage service provider. If no default gateway is configured, or, if the default gateway is unreachable, a warning status will be set.
  • Name Resolution - Your appliance will automatically check to see if it can resolve domain names to IP addresses using the configured DNS servers. If your appliance is unable to perform name resolution using the configured DNS servers, a warning status will be set.
  • Time Synchronization - Your appliance verifies that it is able to reach the configured NTP servers and synchronize time, which is critical in order to ensure synchronization with cloud storage service providers. If an NTP server is unreachable, or your appliance is unable to synchronize time with the NTP server, a warning status will be set.

 

Clicking the ‘details’ icon within the row of one of the diagnostic elements will produce a pop-up window providing you more details of the conditions that your appliance encountered.

 

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Warning Conditions

The following are the conditions found in each of the components that can create a warning status within the diagnostics page, and how they can be resolved.

 

Diagnostic Element

Condition

Message

Resolution

IP Addresses

Healthy

All interfaces have a valid IP address

None

 

Degraded

Only n out of n interfaces have a valid IP address

Verify that each interface has a valid IP address assigned

 

Warning

No interface has a valid IP address

Configure IP addresses on your enabled interfaces

Network Interface Verification

Healthy

All enabled interfaces are operational and functioning in full-duplex mode at 100Mbps or greater speed

None

 

Degraded

Only n out of interfaces are operating in full-duplex and 100Mbps or greater speed

Verify that each interface speed and duplex is configured correctly on the switch that the appliance is connected to

 

Warning

No interface is operating in full-duplex and 100Mbps or greater speed

Verify that each interface speed and duplex is configured correctly on the switch that the appliance is connected to

Default Gateway

Healthy

Default gateway configured and reachable

None

 

Degraded

Default gateway configured and reachable, but packet loss was encountered

Ensure that your default gateway and the network between your appliance and the default gateway are operating properly

 

 

Warning

No default gateway configured

Configure a default gateway on at least one of your DATA interfaces

 

Warning

Default gateway configured but not reachable

Ensure that your default gateways are configured correctly, and that they are online and reachable

Name Resolution

Healthy

Name resolution performed successfully

None

 

Warning

Unable to perform name resolution

Ensure that your DNS servers are properly configured, that the DNS servers are online and reachable, and that your DNS servers are forwarding requests or recursively handling requests correctly

Time Synchronization

Healthy

Time server configured and reachable

None

 

Degraded

Time server configured but packet loss was encountered

Ensure that your NTP server and the network between your appliance and the NTP server are operating properly

 

Warning

Time server configured but not reachable

Ensure that your NTP server configuration is correct, and that your NTP servers are operating correctly, and that the network between your appliance and your NTP servers is operating correctly

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Name Settings

The appliance name is the name assigned to the appliance.  It does not need to be unique, i.e. if you have multiple appliances, each can have the same name. However, this is not recommended.  The appliance uses this name in the heading for the printer-friendly version of reports that are created, which helps you to identify which system the report was taken from. 

 

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To configure the appliance name, type the name in the text box next to the ‘Appliance Name’ field, and click apply.

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Network Interfaces

The ‘Network Interfaces’ section allows you to configure each of the network interfaces on your appliance.  The tabular list, shown below, shows the configuration of each of the interfaces.  The interface named “MGMT” is the management interface by which the web UI is accessed.  The other interfaces, labeled “DATA1” through “DATAn” are for iSCSI and cloud access.  Please refer to the Appliance Quick Start Guide (QSG) to physically identify these interfaces on your appliance, or, look at the interface labels on the back of the system.

 

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You can adjust the configuration of an interface as follows:

  • Enabled - checking this box allows the interface to be used when connected to your network.  Unchecking this box disables the interface so it won’t be used, even when connected to your network.  It is recommended but not required that the unused interfaces are disabled.

File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: Speed and duplex are always auto-negotiated. It is a best-practice to apply a fixed configuration to your network switch such that 1Gbps speeds and full-duplex are always used.

File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: Jumbo frames of up to 9K are supported and enabled by default.These are also always auto-negotiated.

  • Cloud Enabled - check this box if this interface is intended to communicate with a Cloud Service Provider
  • iSCSI Enabled - check this option if this interface is intended to communicate with an iSCSI device
  • Address - specify the IP address that is to be used on this interface by your appliance.  Only Internet Protocol version 4 (IPv4) 32-bit addresses written in dot-decimal notation are supported.
  • Mask - specify the subnet mask that is to be used with this interface by your appliance.
  • Gateway - specify the network gateway (router) that should be used by your appliance when communicating with non-adjacent networks through this interface.  If you want to isolate an interface for iSCSI purposes only, do not specify a default gateway, but be sure a different interface has a configured default gateway so that the cloud can be accessed.  The gateway IP address must be on the same subnet as the interface address as determined by the subnet mask.

File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: Make sure that one DATA interface has an accurate gateway to be able to access the cloud when you are isolating interfaces for iSCSI traffic only

When you have completed the configuration of all the network interfaces, click on 'Apply' so that the changed settings can take effect. If you want to restore the network interfaces to the default, you can use the 'Reset' option.

 

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DNS Settings

In ‘DNS Settings’, you can specify a primary and secondary Domain Name Service (DNS) server that should be used when your appliance needs to resolve hostnames of cloud storage service providers to IP addresses, as shown in the figure below.

 

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To configure DNS servers, supply their IP addresses in the text boxes next to ‘Primary DNS Server’ first, and ‘Secondary DNS Server’ next.  The ‘Primary DNS Server’ field is a required field.  Configuration of the Secondary DNS Server is optional. 

The management GUI will attempt to ping the configured DNS servers.  If the DNS servers do not respond to ping, or you need to override the verification of the configured DNS servers, click the checkbox next to ‘Verify DNS Servers’ prior to clicking ‘Apply’.  When you have finished configuring DNS servers, click the ‘Apply’ button to save your changes.

 File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: Your appliance must be able to resolve cloud storage provider hostnames in order to communicate with the cloud. Make sure to use the ‘verify’ function on your cloud storage accounts to identify any issues.

 

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Time Settings

In ‘Time Settings’, specify the IP addresses or fully-qualified domain names (FQDNs) of each of the Network Time Protocol (NTP) servers that your appliance should use to synchronize time.  Time synchronization is required, as cloud storage service providers require that time be reasonably synchronized.  The ‘Time Settings’ configuration is as shown in the figure below.

 

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First, select your time zone from the drop-down list.  Then, type in the IP addresses or FQDNs for each of your NTP time servers in the ‘NTP Servers’ box.  When entering multiple servers, do not use a comma.  Rather, press ENTER to move to a new line in the box prior to typing the next IP address or FQDN.

File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: When specifying a public NTP server, you must ensure that your network firewalls and other security devices are configured to allow NTP traffic to go bi-directionally to and from the outside network. If NTP traffic is not permitted, you must use an internal NTP server (a Windows domain controller provides this function). If your appliance cannot synchronize time, it may not be able to communicate with your cloud storage provider.

A list of public NTP servers can be found by visiting:

When you have finished configuring NTP servers, click the ‘Apply’ button. 

File:User:AlpaK/StorSimple_Web_UI_User_Guide/image009.jpg Note: If at any point of time, the user changes the appliance time-zone, then he needs to re-adjust the QoS templates and Backup Policies in accordance with the new time-zone.

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