Configuring the network
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Field name |
Value |
Comments |
|---|---|---|
|
*Hostname |
Primary |
Default value: ScaleArcha1, valid characters: a-z 0-9 _ - . |
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Secondary |
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*Interface |
Primary |
Default: eth0, in case of multiple network cards, you can select any one of them. |
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Secondary |
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*IP Address |
Primary |
Default value: 192.168.1.10, using this you can access ScaleArc UI. Also referred as Management IP. |
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Secondary |
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*Subnet |
Primary |
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Secondary |
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Gateway |
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Primary DNS |
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Secondary DNS |
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Time Zone |
Default value: (GMT -12:00) Eniwetok, Kwajalein |
Configuring ScaleArc user access credentials
By default, ScaleArc has a single user, with admin privileges, who can make changes to the configuration. If you are a first-time user and are logging into ScaleArc, use the admin username and password to start the configuration.
| Field name | Value | Comments |
|---|---|---|
| *Username | Default value: admin | |
| *Admin password | Default value: admin@123 |
Configuring High Availability (HA)
This step is required only when you want to configure HA between two ScaleArc appliances. DATE/TIME should be synced on both the ScaleArc appliances before configuring HA. Similarly, HA VIP should be configured on the same network interface (for example, eth0 or eth1) on which individual Management IP is configured.
| Field name | Value | Comments |
|---|---|---|
| *Floating Virtual IP |
VIP will always point to Primary ScaleArc server once HA is configured. (Also referred to as HA Management IP. |
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| HA keepalive interval (adjust for VM) | ||
| HA deadtime (adjust for VM) | ||
| HA warning interval (must be at least half of deadtime; adjust for VM) | ||
| Rackspace HA | See https://support.scalearc.com/kb/articles/3527 | |
| AWS HA | See https://support.scalearc.com/kb/articles/2230 | |
| Azure HA | See https://support.scalearc.com/kb/articles/3882 |
Configuring extra network interface(s)
You can use any one or more network interfaces to configure a cluster. Eth0 is the most commonly used default interface and can also be used for configuring a cluster. If you are planning to use any network interface mentioned below, make sure you change the IP address and subnet for the same, based on your network topology.
|
Field name |
Value |
Comments |
|---|---|---|
|
Eth1 |
IP |
Default IP: 192.168.1.11, Subnet: 255.255.255.0
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Subnet |
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Eth2 |
IP |
Default IP: 192.168.1.12, Subnet: 255.255.255.0 |
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Subnet |
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Eth3 |
IP |
Default IP: 192.168.1.13, Subnet: 255.255.255.0 |
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Subnet |
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Eth4 |
IP |
Default IP: 192.168.1.14, Subnet: 255.255.255.0 |
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Subnet |
Configuring the cluster
You need at least one IP address to create a cluster. The IP address can either be a physical IP address or a floating VIP. (HA requires a floating IP). Inbound IP address & Port are used by the application to connect to the ScaleArc cluster, while Outbound IP address is used by the ScaleArc server to connect to the backend database server(s) in that cluster. Inbound & Outbound IP address can be on same or different network interfaces.
| Field | Value | Comment |
|---|---|---|
|
*Cluster Name |
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| *Instance Name | Applicable only for MS SQL. Default MSSQLSERVER. |
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| *Inbound Network Interface |
Any network interface on which the physical IP address is configured. |
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| *Inbound IP Address |
The existing physical IP address or create a new floating VIP. |
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| *Inbound Subnet Address |
Required only when you want to create a new VIP for the cluster. |
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| *Cluster Port |
Default value: 1433 (MS SQL) |
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| *Outbound Network Interface |
Can be the same as or different from the Inbound NIC. |
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| *Outbound IP Address |
Can be the same as the Inbound IP address or any other existing VIP; alternatively you can create a new floating VIP. |
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| *Outbound Subnet Address |
Required only when you want to create new VIP for the cluster. |
Database user credentials
In order for ScaleArc to access the database server(s), you need to provide database user credentials and the necessary permissions for the cluster's outbound IP address and management IP address. ScaleArc uses this information to monitor database server health and the slave replication lag time. See here for minimally required ScaleArc cluster root user privileges.
| Field | Value | Comment |
|---|---|---|
| User Name | Database server username. | |
| Password | The password for the above user. |
Database server (s)
Specify the database server details needed to define the clusters.
| Field | Value | Comment |
|---|---|---|
| *DB Server IP | IP address of database server. | |
| *Port | Default value: 1433 (MS SQL) | |
| *Server Type | Read/Write (Principal) or Read Only (Slave) | |
| Version | Database server version; for example, MS SQL Server 2008 R2, etc. |
Some additional questions
The following questions allow to you correctly prepare for ScaleArc deployment:
| Question | Response |
|---|---|
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Are the application server(s) & database server(s) at the same location? This will help us determine a possible latency. |
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What is the platform and version for application server(s), Linux / MS Windows / UNIX, etc.? |
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What is the platform and version for database server(s), Linux / MS Windows / UNIX, etc.? |
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Are you using client-side connection pooling from application? |
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What type of replication have you configured for multiple servers, if any? |
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Are you using any memory data caching technology like memcache? |
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What type of ScaleArc deployment platform, appliance / VM / Xen / Custom HW / etc. do you use? |
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