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Striping Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 12.10

Striping Across Four Storage Nodes With GlusterFS 3.2.x On Ubuntu 12.10

This tutorial shows how to do data striping (segmentation of logically sequential data, such as a single file, so that segments can be assigned to multiple physical devices in a round-robin fashion and thus written concurrently) across four single storage servers (running Ubuntu 12.10) with GlusterFS. The client system (Ubuntu 12.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

Automatic File Replication (Mirror) Across Two Storage Servers With GlusterFS 3.2.x On Ubuntu 12.10

High-Availability Storage With GlusterFS 3.2.x On Ubuntu 12.10 - Automatic File Replication (Mirror) Across Two Storage Servers

This tutorial shows how to set up a high-availability storage with two storage servers (Ubuntu 12.10) that use GlusterFS. Each storage server will be a mirror of the other storage server, and files will be replicated automatically across both storage servers. The client system (Ubuntu 12.10 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

How To Back Up MySQL Databases With mylvmbackup On Ubuntu 12.10

How To Back Up MySQL Databases With mylvmbackup On Ubuntu 12.10

mylvmbackup is a Perl script for quickly creating MySQL backups. It uses LVM's snapshot feature to do so. To perform a backup, mylvmbackup obtains a read lock on all tables and flushes all server caches to disk, creates a snapshot of the volume containing the MySQL data directory, and unlocks the tables again. This article shows how to use it on an Ubuntu 12.10 server.

Creating An NFS-Like Standalone Storage Server With GlusterFS 3.2.x On Ubuntu 12.10

Creating An NFS-Like Standalone Storage Server With GlusterFS 3.2.x On Ubuntu 12.10

This tutorial shows how to set up a standalone storage server on Ubuntu 12.10. Instead of NFS, I will use GlusterFS here. The client system will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

How To Install Percona Server 5.5 On Ubuntu 12.10

How To Install Percona Server 5.5 On Ubuntu 12.10

Percona Server is a drop-in replacement for MySQL. It offers more performance and scalability than the default MySQL server coming with your Linux distribution, while it uses the same init scripts and command line tools which makes it easy to use. This tutorial explains how to install Percona Server 5.5 on Ubuntu 12.10.

Using The btrfs Filesystem (With RAID1) With Ubuntu 12.10 On A Hetzner Server

Using The btrfs Filesystem (With RAID1) With Ubuntu 12.10 On A Hetzner Server

This tutorial shows how to install Ubuntu 12.10 on the btrfs filesystem (with RAID1) on a Hetzner server with two hard drives. While Hetzner's installimage tool doesn't list btrfs as a supported filesystem and only supports software RAID with /dev/md devices, it is still possible to achieve this setup and use the built-in RAID support in btrfs instead of using /dev/md devices.

The Perfect SpamSnake - Ubuntu Jeos 12.04 LTS Precise Pangolin

The Perfect SpamSnake - Ubuntu Jeos 12.04 LTS Precise Pangolin

This tutorial shows how to set up an Ubuntu Jeos based server as a spamfilter in Gateway mode. In the end, you will have a SpamSnake Gateway which will relay clean emails to your MTA. You will also be able to view your incoming queue, train your SpamSnake and carry out a few more advanced operations via Baruwa.

VBoxHeadless - Running Virtual Machines With VirtualBox 4.2 On A Headless Ubuntu 12.10 Server

VBoxHeadless - Running Virtual Machines With VirtualBox 4.2 On A Headless Ubuntu 12.10 Server

This guide explains how you can run virtual machines with VirtualBox 4.2 on a headless Ubuntu 12.10 server. Normally you use the VirtualBox GUI to manage your virtual machines, but a server does not have a desktop environment. Fortunately, VirtualBox comes with a tool called VBoxHeadless that allows you to connect to the virtual machines over a remote desktop connection, so there's no need for the VirtualBox GUI.

Using ATA Over Ethernet (AoE) On Ubuntu 12.10 (Initiator And Target)

Using ATA Over Ethernet (AoE) On Ubuntu 12.10 (Initiator And Target)

This guide explains how you can set up an AoE target and an AoE initiator (client), both running Ubuntu 12.10. AoE stands for "ATA over Ethernet" and is a storage area network (SAN) protocol which allows AoE initiators to use storage devices on the (remote) AoE target using normal ethernet cabling. "Remote" in this case means "inside the same LAN" because AoE is not routable outside a LAN (this is a major difference compared to iSCSI). To the AoE initiator, the remote storage looks like a normal, locally-attached hard drive.

Installing KVM Guests With virt-install On Ubuntu 12.10 Server

Installing KVM Guests With virt-install On Ubuntu 12.10 Server

Unlike virt-manager, virt-install is a command line tool that allows you to create KVM guests on a headless server. You may ask yourself: "But I can use vmbuilder to do this, why do I need virt-install?" The difference between virt-install and vmbuilder is that vmbuilder is for creating Ubuntu-based guests, whereas virt-install lets you install all kinds of operating systems (e.g. Linux, Windows, Solaris, FreeBSD, OpenBSD) and distributions in a guest, just like virt-manager. This article shows how you can use it on an Ubuntu 12.10 KVM server.

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