Creating a Storage Pool Using mrconfig

To create a storage pool using mrconfig:

  1. Assume the disks /dev/sdb, /dev/sdc, and /dev/sdd are available; initialize them with mrconfig disk init:
    /opt/mapr/server/mrconfig disk init /dev/sdb
    /opt/mapr/server/mrconfig disk init /dev/sdc
    /opt/mapr/server/mrconfig disk init /dev/sdd
  2. Create a disk group with mrconfig dg create:
    /opt/mapr/server/mrconfig dg create raid0 -d 128 /dev/sdb /dev/sdc /dev/sdd 
  3. Create a concatenated disk group with mrconfig dg create concat by specifying the primary drive.
    /opt/mapr/server/mrconfig dg create concat /dev/sdb
  4. At this point, you can use mrconfig dg list to see the layout of the disk group, and which disk is the primary disk. The primary disk can be used in other commands to refer to the disk group as a whole. Example:
    /opt/mapr/server/mrconfig dg list
  5. From the disk group, create a storage pool with mrconfig sp make:
    /opt/mapr/server/mrconfig sp make /dev/sdb