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G200 - Time needed for Quick Format

Question asked by Alvin Lee on Mar 6, 2017
Latest reply on Sep 22, 2017 by Bhaskar Ramashankar

Hi All,

.

I have a G200 , 24 x 1.2TB SATA disk, just freshly clean up.

I have created 3 Parity Group, manually select the first 8 disk, Raid 6 (6+2) , and craft out a max 2.99TB ldev for benchmarking

 

Question :

I noticed the first 2 ldev that I have created, the format time is about 60 min per TB.

However the further 2 ldev that I have created begin to slow down, average about 65 - 70 min per TB.

The third set of 2 ldev, the quick format time drop to 90 min per TB

Each of the ldev that I have created begin from Parity group 1 till parity group 3.

 

I wish to find out if this is the behaviour of the G200 because this is kinda weird.

My latest test is quick format a 100GB ldev which took 25min to complete

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