Converting RAID5 to RAID6 and other shape changing in md/raidConverting RAID5 to RAID6 and other shape changing in md/raid Back in early 2006 md/raid5 gained the ability to increase the number of devices in a RAID5, thus making more space available. As you can imagine, this is a slow process as every block of data (except possibly those in the first stripe) needs to be relocated. i.e they need to be read from one place and written to another. md/raid5 allow
