What is Infiniband switch in Exadata?
Infiniband Network of Exadata Infiniband switches provide interconnect between Database Server and Cell Server ( Storage Server ).
How do I check my Exadata Infiniband switch version?
fwverify command is used to verify the updated switch image after the patching/upgrade. This hardware command displays the speed of the fans.
What is Cisco switch in Exadata?
The Cisco Switch (aka the Ethernet Switch) is used to connect each Exadata component for an administrative purpose; in short, it is for the DBAs to access the ILOMs and the Infiniband Switches (the IB switches have no dedicated ILOMs, the ILOMs are on the IB Switches themselves, you can find more information here).
How do I check my Exadata configuration?
Each Exadata Storage cell can be monitored, configured, and maintained using the cellcli command line interface. To invoke the CLI, simply login to the Exadata cell as cellmonitor, celladmin, or root, and type “cellcli”.
What is the difference between Exadata and Exalogic?
An Exadata is a database machine. The exalogic on the other hand is an application machine. It runs Linux and middleware software. The machine also comes with some cloud software to enable on demand virtualization and provisioning.
What is cell in Exadata?
Cell. Also known as Storage Cells, which run the Exadata Storage Server software. The disks for database are attached to this. Runs Oracle Enterprise Linux.
What operating systems are supported on Exadata?
Oracle Exadata
| Original author(s) | Oracle Corporation |
|---|---|
| Operating system | Oracle Linux |
| Platform | Exadata Database Machine |
| License | Commercial |
| Website | www.oracle.com/exadata |
What is an InfiniBand switch?
InfiniBand (IB) is a computer networking communications standard used in high-performance computing that features very high throughput and very low latency. InfiniBand is also used as either a direct or switched interconnect between servers and storage systems, as well as an interconnect between storage systems.
Where is the spine switch located in the Exadata rack?
These two switches located in the middle of the rack are referred to as leaf switches. A spine switch is included in unit 1 of Oracle Exadata Database Machine Full Rack and Half Rack configurations.
How do I check my InfiniBand status?
Checking InfiniBand configuration in Linux
- From the Cluster Systems Management/Management Server (CSM/MS), run the following command: dsh -av “ibv_devices | grep ehca” | wc –l.
- Select from the following options:
- Run the following command: dsh -av “ibv_devices | grep ehca” > hca_list.
How do I know my Exadata type?
Determine the Exadata Storage Server Software Version
- Log in to one of the storage servers. See Log into the Storage Server OS.
- Type this command. In this example, the storage server software version is 12.1. 2.1. 1.150316. # imageinfo -ver 12.1.2.1.1.150316.2.
How do I know if my server is Exadata?
If this query gives the output >0 than database is running on Exadata. It means database is running on 1/8th Exadata as 3 tells you the number of cells available on database machine. By executing “select distinct cell_name from gv$cell_state” you will get cell IP details.
What is InfiniBand network in Exadata?
1).The InfiniBand Network connects the database servers and Exadata Storage Servers using the InfiniBand switches on the rack. It is a private network between the database servers and Exadata Storage Servers. 2).A Exadata Rack contains at least 2 Infiniband switches. The third switch is called Spine Switch.
What is Exadata Cisco switch?
Exadata Cisco switch Each host and end point has management network port. Cisco 4948 switch as shown above (in the middle of the picture) integrates all such management ports inside the rack and provides management network for Exadata.
How many switches are there in an Oracle Exadata Database Machine?
Oracle Exadata Database Machine Half Racks with Sun Fire X4170 Oracle Database Servers, and Oracle Exadata Database Machine Quarter Racks have two Sun Datacenter InfiniBand Switch 36 switches, and both are set to priority 5. The master is the one with the lowest GUID.
What is an Infiniband switch?
Infiniband switches provide interconnect between Database Server and Cell Server ( Storage Server ). Each host and end point has management network port. Cisco 4948 switch as shown above ( in the middle of the picture ) integrates all such management ports inside the rack and provides management network for Exadata.