CORAID AOE DRIVER

Create a volume from a snapshot. These filesystems can be used to allow multiple machines access to the same AoE target without an intermediate server or filesystem and at higher performance. With fewer protocol layers, this approach makes AoE fast and lightweight. Block Storage Introduction to the Block Storage service cinder. To understand and evaluate these storage scenarios, it helps to be familiar with a few concepts. Such filesystems may be used, and AoE provides mechanisms whereby an AoE target can be guarded against simultaneous access see: It also makes the protocol relatively easy to implement and offers linear scalability with high performance.

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ATA over Ethernet – Wikipedia

AoE runs on layer 2 Ethernet. The other host is informed of the conflict. One option provided by AoE is to use the storage device itself as the mechanism for determining specific host access.

AoE is a layer 2 protocol running at the data-link layer, unlike other SAN protocols which run on top of layer 3 utilizing IP. The non-routability of AoE is the only security mechanism i. Archived from the original on Traditional filesystems such as FAT or ext3 are designed to be accessed by a single host, and will cause unpredictable behavior if accessed by multiple machines.

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Retrieved from ” https: A SAN allows the physical hard drive to be removed from the server that uses it, and placed on the network. Block Storage Introduction to the Block Storage service cinder.

Coraid storage appliances can provide block-level storage to OpenStack instances. Data processing service 6. Compute Overview of nova.

Instead, they will connect to a server that uses a SAN disk instead of a local disk. Copy a volume to an image.

ATA over Ethernet Tools

Identity service Caching layer Identity service configuration aeo Identity service sample configuration files keystone. Instead, AoE packets can only travel within a single local Ethernet storage area network e. Archived from the original PDF on Community support Documentation ask. However, there are no AoE-specific mechanisms for password verification or encryption.

Install the Coraid AoE driver – OpenStack Configuration Reference – icehouse

The AoE protocol provides a mechanism for host-based corsid locking. Coraid storage appliances use the low-latency ATA-over-Ethernet ATA protocol to provide high-bandwidth data transfer between hosts and data on the network. From Wikipedia, the free encyclopedia. Firewalls and default ports B.

This document describes how to configure the OpenStack Block Storage service for use with Coraid storage appliances. By using an AoE driver, the host operating system is able to access a remote disk as if it were directly attached. Without this cooperation file-system corruption and data loss is likely, unless access is strictly xoe or a cluster file system is used.

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Most users will not use a SAN interface directly.

To understand and evaluate these storage scenarios, it corraid to be familiar with a few concepts. Supported operations Create, delete, attach, and detach volumes.

It also makes the protocol relatively easy to implement and offers linear scalability with high performance. Specify compute hosts with SSDs XenServer hypervisor pools to support live migration Configuration reference Cells Cell configuration options Configure the API top-level cell Configure the child cells Configure the database in each cell Cell scheduling configuration Optional cell configuration Conductor Example nova.

It is used to build storage area networks SANs with low-cost, standard coriad. This page was last edited on 17 Novemberat Telemetry Telemetry sample corad files ceilometer. The encapsulation of ATA provided by AoE is simple and low-level, allowing the translation to happen either at high performance or inside a small, embedded device, or both.