IMAGE: CAFUEGO BLOG - Yes, Andy Fitzsimon, this header image is ironic
Thursday 3 May, 2007 @ 09:06:49 by Cafuego
daily / md raid

Last week I decided to give md raid5 a go on my desktop machine. I had purchased a new 500GB drive for my data and found myself with three spare 80GB drives.

Setting up the raid array was very straightforward. Create raid autostart partitions on all drives, call mdadm --create, call mkfs.ext3, done. I've since found a fourth 80GB drive rattling around, so I added that as a hot spare. According to /usr/sbin/hddtemp (48°C) it's more hot than spare, but when I used mdadm to set one of the drives to Fail, it took over and the array was rebuilt in about 20 minutes. All good :-)

Now, because it would be handy to keep a copy of my mdadm.conf (which contains the raid's UUID) somewhere that's *not* part of the raid array, I'll plonk it here:

# mdadm.conf
#
# Please refer to mdadm.conf(5) for information about this file.
#

# by default, scan all partitions (/proc/partitions) for MD superblocks.
# alternatively, specify devices to scan, using wildcards if desired.
DEVICE partitions

# auto-create devices with Debian standard permissions
CREATE owner=root group=disk mode=0660 auto=yes

# automatically tag new arrays as belonging to the local system
HOMEHOST 

# instruct the monitoring daemon where to send mail alerts
MAILADDR root

# definitions of existing MD arrays
ARRAY /dev/md/0 level=raid5 num-devices=3 spares=1 UUID=09f91102:9d74e35b:d84156c5:635688c0
# This file was auto-generated on Tue, 24 Apr 2007 13:54:36 +1000
# by mkconf $Id: mkconf 261 2006-11-09 13:32:35Z madduck $
Wednesday 2 May, 2007 @ 12:19:02 by Cafuego
daily / inkscape

Fiddled with Inkscape for a bit and created the new ironic banner image you can see featured above :-)

If you don't know why it's ironic, check http://lca2007.linux.org.au/talk/32

Wednesday 2 May, 2007 @ 11:16:25 by Cafuego
daily / hex

Apparently a group of people think they have exclusive rights to the hex string 09F911029D74E35BD84156C5635688C0 or something, as they won't let others use it (or apparently even talk about it).

Saturday 14 April, 2007 @ 09:48:01 by Cafuego
daily / internode

Aaah, there we go. A shiny new internode.php version that finally scales ALL data across the width of the graph. Whilst I was at it, I also twiddled the internode usage meter gnome panel applet to work with Ubuntu Feisty. (sed -i python2.4/python2.5/ Makefile)
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