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Tag: raid5

Posted on 09. 06. 201018. 04. 2017

Stop HDD drives waking up in mythbuntu

I wanted to have my RAID5 array to go to standby after 10 minutes of inactivity. I achieved this with:

/sbin/hdparm -S120 /dev/sd[a-i]

But my drives were waking up from their standby because I had mythtv-backend configured with UPNP support. Continue reading “Stop HDD drives waking up in mythbuntu”

Posted on 29. 11. 200918. 04. 2017

Grow 3TB RAID5 to 6TB with XFS in Linux

First you need to add to your RAID device /dev/md0 new hdd partition (/dev/sde1, /dev/sdf1/dev/sdg1) in this case /dev/sdg1:

mdadm --add /dev/md0 /dev/sdg1

Then you need to grow your RAID device to the new number of disks X(4,5,6):

mdadm --grow /dev/md0 --raid-devices=4

Continue reading “Grow 3TB RAID5 to 6TB with XFS in Linux”

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