How to Grow the mdraid Device?
Last updated on DECEMBER 13, 2017
Applies to:Linux OS - Version: 2.6.18
You have some SAN based LUNs configured with multipathing device. And you have configured them together with a soft RAID as disk mirror.
For example, you are having sda, sdb, sdc, and sdd on SAN1, and having them together as mpath1.
You are having sde, sdf, sdg, sdh on SAN2, and having them together as mpath2.
At the same time, you configure mpath1 and mpath2 together as md0 at RAID1 mirrored array.
You would like to expand the size of the mdraid device by expanding the size of the LUNs on each SAN.
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