Storage

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Setting Up An NFS Server And Client On Debian Lenny

Setting Up An NFS Server And Client On Debian Lenny

This guide explains how to set up an NFS server and an NFS client on Debian Lenny. NFS stands for Network File System; through NFS, a client can access (read, write) a remote share on an NFS server as if it was on the local hard disk.

Xen Live Migration Of An LVM-Based Virtual Machine With iSCSI On Debian Lenny

Xen Live Migration Of An LVM-Based Virtual Machine With iSCSI On Debian Lenny

This guide explains how you can do a live migration of an LVM-based virtual machine (domU) from one Xen host to the other. I will use iSCSI to provide shared storage for the virtual machines in this tutorial. Both Xen hosts and the iSCSI target are running on Debian Lenny in this article.

Ubuntu 8.10 Samba Standalone Server With tdbsam Backend

Ubuntu 8.10 Samba Standalone Server With tdbsam Backend

This tutorial explains the installation of a Samba fileserver on Ubuntu 8.10 and how to configure it to share files over the SMB protocol as well as how to add users. Samba is configured as a standalone server, not as a domain controller. In the resulting setup, every user has his own home directory accessible via the SMB protocol and all users have a shared directory with read-/write access.

Using ATA Over Ethernet (AoE) On Debian Lenny (Initiator And Target)

Using ATA Over Ethernet (AoE) On Debian Lenny (Initiator And Target)

This guide explains how you can set up an AoE target and an AoE initiator (client), both running Debian Lenny. 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.

Using iSCSI On Debian Lenny (Initiator And Target)

Using iSCSI On Debian Lenny (Initiator And Target)

This guide explains how you can set up an iSCSI target and an iSCSI initiator (client), both running Debian Lenny. The iSCSI protocol is a storage area network (SAN) protocol which allows iSCSI initiators to use storage devices on the (remote) iSCSI target using normal ethernet cabling. To the iSCSI initiator, the remote storage looks like a normal, locally-attached hard drive.

High-Availability Storage Cluster With GlusterFS On Ubuntu

High-Availability Storage Cluster With GlusterFS On Ubuntu

In this tutorial I will show you how to install GlusterFS in a scalable way to create a storage cluster, starting with 2 servers on Ubuntu 8.04 LTS server. Files will be replicated and splitted accross all servers which is some sort of RAID 10 (raid 1 with < 4 servers). With 4 servers that have each 100GB hard drive, total storage will be 200GB and if one server fails, the data will still be intact and files on the failed server will be replicated on another working server. 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 server with SATA-II RAID and Infiniband HBA.

DRBD 8.3 Third Node Replication With Debian Etch

DRBD 8.3 Third Node Replication With Debian Etch

The recent release of DRBD 8.3 now includes The Third Node feature as a freely available component. This document will cover the basics of setting up a third node on a standard Debian Etch installation. At the end of this tutorial you will have a DRBD device that can be utilized as a SAN, an iSCSI target, a file server, or a database server.

How To Resize LVM Software RAID1 Partitions (Shrink & Grow)

How To Resize LVM Software RAID1 Partitions (Shrink & Grow)

This article describes how you can shrink and grow existing software RAID1 partitions with LVM on top. I have tested this with logical volumes that use ext3 as the file system. I will describe this procedure for an intact RAID array and also a degraded RAID array.

How To Configure Software RAID To Send An Email When Something's Wrong With RAID

How To Configure Software RAID To Send An Email When Something's Wrong With RAID

This short guide explains how you can configure software RAID to send you an email when something's wrong with RAID, for example if a hard drive fails. I've tested this on Debian Etch, but it should apply to all other distributions with minor adjustments to paths, etc.

Creating A Dual-Boot System On RAID10 (Ubuntu/Windows)

Creating A Dual-Boot System On RAID10 (Ubuntu/Windows)

I just bought a new computer and I want to run Ubuntu 8.10 and Vista. I'm really afraid to loose some of my data when a harddrive dies, so I decided to go for a RAID10-setup. Most modern motherboards support RAID0,1,5 and 10. After assembling my new computer, I discovered that the motherboard didn't have a true hardware-RAID-controller. Instead it's just software-RAID, sometimes called fakeraid. If I was installing a Linux-only-system, I wouldn't care and just use the Linux software-Raid options. But this time, my system has to be dual-boot.

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