ZFS benchmark I have a 64-bit box with a ZFS raidx2 array. It now has 4GB of RAM and I recently purchased another 4GB. I thought I might do some benchmarks on it before and after I install the additional RAM. I will be using the benchmarks/bonnie++ port. The intial tests In this section I …
ZFS: Resizing your zpool I’m about to rebuild my ZFS array (which I documented in my other diary). The array has been running for a while, but I recently learned some new facts about ZFS which spurred me on to rebuilding my array with future-proofing in mind. This is my plan for tonight. As I …
ZFS: do not give it all your HDD I’m about to rebuild my ZFS array (which I documented in my other diary). The array has been running for a while, but I recently learned some new facts about ZFS which spurred me on to rebuilding my array with future-proofing in mind. This is my plan …
c partition goes away in FreeBSD 8 FreeBSD 8.0 will soon be released. It promised many new improvments. I’ve been upgrading some of my servers to 8.0 lately. Recently I encountered one interesting problem with disk partitions. It was easily fixed, but I thought I should document it because I know someone else is going …
Converting a system to RAID This may well be the last article I write on this server. My existing development machine is still on 4.11. Today I will start the migration process to another server, which is already running 6.2-STABLE. In the process, I will add a RAID card to the server, and transfer the …
Card reader for FreeBSD When I first heard of a card reader, I thought of business cards. I imagined a device that took business cards and digitized them so you could save contact information. Yes, such tools exist, but the card reader in question is actually a memory card reader. A very common use of …
What RAID-1 setup should I use for FreeBSD 6.0? This article will highlight the disk drive tests I ran on my ASUS A8V Deluxe. I’m about to set this machine up to do various things, including cross compiling (which I wrote about back in October). I still haven’t finished what I wanted to do, which …
mknod – create the device, then mount My primary mail server went down on 1 January. In the process of analyzing the problem, I leaned about a new tool: mknod. This article documents how I used that tool, a live filesystem CD, and a floppy disk to look at the disk of the dead box. …
Adding a new drive via the serial console using dump/restore It was just over three weeks ago that Serial Consoles can be very useful hit the airwaves. Now it is time to use this valuable asset in battle. As I write this, I am in Ottawa. There is a machine in Wellington which contains a …
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Growing your filesystem with growfs This article was written by Will Andrews.Copyright (c) 2002 Will Andrews <will@csociety.org>. All rights reserved. The Story I needed more disk space on my vinum volume, which I created about 18 months ago using 2 IBM DeskStar 30GXP 30GB ATA100 drives. Originally, I created a RAID 0 (stripe) filesystem on …