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Search results for Using Software RAID-1 with FreeBSD

FreeBSD Using Software RAID-1 with FreeBSD
Post date: November 28, 2005, 22:11 Category: System Views: 104
Tutorial quote: Have you ever needed a software RAID solution for a low-end server install? Perhaps you've wanted your workstation to take advantage of the redundancy provided by a disk mirror without investing in a hardware RAID controller. Has a prior painful configuration experience turned you off software RAID altogether on Unix systems?


Since 5.3-Release, FreeBSD comes with gmirror(8), which allows you to easily configure a software RAID 1 solution. While tutorials on gmirror exist, I found them to require either manual calculations of partition sizes with bsdlabel or the use of a fix-it floppy on an existing system.

It made more sense to me to configure RAID during the install of the operating system. I also wanted a procedure that was easy to follow and didn't introduce human error in the form of a math miscalculation. After cobbling together the available documentation and experimenting my way through various configurations, I came across a procedure that has worked well for me on several different systems. I also received valuable feedback from Pawel Jakub Dawidek, the author of gmirror, who gave some insight into some of the not yet documented features of gmirror.
Linux Monitoring and Managing Linux Software RAID
Post date: April 15, 2005, 19:04 Category: System Views: 56
Tutorial quote: Systems administrators managing a data center face numerous challenges to achieve required availability and uptime. Two of the main challenges are shrinking budgets (for hardware, software, and staffing) and short deadlines in which to deliver solutions. The Linux community has developed kernel support for software RAID (Redundant Array of Inexpensive Disks) to help meet those challenges. Software RAID, properly implemented, can eliminate system downtime caused by disk drive errors. The source code to the Linux kernel, the RAID modules, and the raidtools package are available at minimal cost under the GNU Public License. The interface is well documented and comprehensible to a moderately experienced Linux systems administrator.

In this article, I'll provide an overview of the software RAID implementation in the Linux 2.4.X kernel. I will describe the creation and activation of software RAID devices as well as the management of active RAID devices. Finally, I will discuss some procedures for recovering from a failed disk unit.
Gentoo RAID over NFS
Post date: June 17, 2005, 07:06 Category: Network Views: 120
Tutorial quote: This is a HowTo to create a RAID over NFS. In this case RAID5, but can be easily adopted for other RAID levels.
Debian Debian RAID 1/5 system installer
Post date: May 28, 2005, 18:05 Category: Installing Views: 193
Tutorial quote: Instructions for installing a very clean Debian GNU/Linux system that boots from RAID 1, and has RAID 1 or RAID 5 root and data filesystems.

The examples assume two identical harddrives, sda and sdb, on which after a small boot partition, 1 GB is used for swap, 25 GB is used for the root filesystem and everything else is for a big "data" partition that will hold non-system stuff.
FreeBSD Secure Batch Email on FreeBSD with UUCP and SSH
Post date: April 18, 2005, 22:04 Category: Network Views: 43
Tutorial quote: Not everyone has reliable, always-on Internet access. For some, reliability has to come through software, not hardware. Fortunately, protocols designed to work around slow and unreliable networks still work. Christophe Prevotaux demonstrates how to set up FreeBSD, Postfix, and SSH to send and receive email via UUCP.
FreeBSD FreeBSD Install Guide
Post date: April 12, 2005, 14:04 Category: Installing Views: 97
Tutorial quote: A step-by-step guide to installing FreeBSD 5. It assumes moderate experience with linux and leaves you with a fully updated FreeBSD system.
FreeBSD Setting up Linux compatibility on FreeBSD 6
Post date: April 3, 2006, 02:04 Category: System Views: 21
Tutorial quote: As a FreeBSD desktop user I occasionally feel left out when it comes to the availability of applications, particularly desktop applications or binary-only browser plugins produced by commercial closed source vendors. Sometimes a good alternative lurks in the vast FreeBSD ports collection, but not always. The version available may lag a couple of revisions behind what I need, or the port might exclude my particular architecture. Fortunately, FreeBSD can run binaries and shared libraries that have been compiled for Linux and other Unix ABIs (such as SVR4 and SCO).

In this article I will cover the steps necessary to enable and configure Linux binary compatibility on FreeBSD 6. I'll also share a couple of my own experiences with getting some well-known desktop Linux applications to run on FreeBSD 6.
FreeBSD FreeBSD Working Document for Installation, Setup
Post date: May 8, 2005, 17:05 Category: Miscellaneous Views: 135
Tutorial quote: This is a working document that we use to set up and maintain FreeBSD. We hope you find it useful, and that it encourages more use of FreeBSD in general. The first section of the document is a series of steps we take during initial installation to produce a useful machine, from our perspective of course. The second section lists commands related to specific applications or situations.
Gentoo EVMS Howto for Gentoo Linux
Post date: April 15, 2005, 00:04 Category: Hardware Views: 453
Tutorial quote: EVMS stands for Enterprise Volume Management System. It's a all-in-one utility written by IBM to manage disk partitions, logical volumes, software RAID and even filesystems.

It does everything from installing the partition table to mounting volumes, fscking and resizing them. It has a plugin mechanism which allow a user to extend EVMS with external drivers.
FreeBSD How to move FreeBSD from your old hard drive to a new larger drive
Post date: May 2, 2005, 08:05 Category: Miscellaneous Views: 104
Tutorial quote: This article will explain how you can move your FreeBSD installation from one hard disk drive to another. I have done this many times using the dump/restore utility. Before you begin, be sure you have read this document carefully.

Let's assume that our FreeBSD installation is on a 4 gigabyte drive (ide master ad0) and we would like to move it to a new 20 gig drive. .