0 Replies Latest reply: Feb 10, 2014 2:45 PM by campt RSS

E-Series Dynamic Disk Pools

campt
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Hello.

 

 

Do we have any documents that answer the following customer’s questions?

 

1)  Do all drives in a Dynamic Disk Pool have to be the same size and type?

 

2) If not, then what happens if you put a 4 TB drive in a Dynamic Disk Pool made up of all 2TB drives?  Will it get right sized and only deliver 2TB of its 4TB capacity?

 

3)  This assumes you can mix drives above.  Can you replace 2TB drives in a Dynamic Disk Pool over time with 4TB drives and once the last 2TB drive is replaced the pool has the full capacity supplied by each of the 4TB drives.

 

I’m assuming the behavior is much like Data OnTap raid groups where larger drives get right sized to the least common denominator drive’s size.  Even if that drive is no longer in the raid group the size has been set.  E-Series documentation is a bit sparse on our Support site.  I found several TR's but did not see specifics to point to.

 

Thanks.

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