[clug-talk] Is there a faster way to create a RAID1?

[Roy Souther]

Creating my own distribution for my own servers, based on Debian. When it comes time to create the raid partions using mdadm I do so in the way pointed out to me on all the web sites I have found that talk about it.

# My install script does this
echo -en "y\r" | mdadm --create "/dev/md0" --level 1 --raid-devices=2 "/dev/hda5" "/dev/hdc5
watch "cat /proc/mdstat"

The problem is that this is very very slow. A 40GB partition has be going all morning (4 hours) so far and it is only up to about 80% done.

If I use Mandrake to do an install with the same partitions the section where the installer builds the RAID only takes about 30 minutes to do the same job.

Any ideas how I could make the mdadm create new blank RAID partitions faster?

Roy Souther www.SiliconTao.com Let Open Source help your business move beyond. For security this message is digitally authenticated by GnuPG.

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