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Dell HPC NFS Storage Solution High Availability Configurations with Large Capacities
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a. Configure 144TB storage array.
# vgcreate VGMD1 /dev/mapper/mpatha /dev/mapper/mpathb /dev/mapper/mpathd
/dev/mapper/mpathc
# lvcreate -i 4 -I 1024 -l 100%FREE VGMD1 -n LVMD1
# mkfs.xfs -l size=128m /dev/VGMD1/LVMD1
# mount -o noatime,allocsize=1g,nobarrier,inode64,logbsize=262144,wsync
/dev/VGMD1/LVMD1/mnt/xfs1/
b. Extend 144TB configuration to 288TB.
# vgextend VGMD1 /dev/mapper/mpathe /dev/mapper/mpathf /dev/mapper/mpathg
/dev/mapper/mpathh
# lvextend /dev/VGMD1/LVMD1 /dev/mapper/mpathe /dev/mapper/mpathf
/dev/mapper/mpathg /dev/mapper/mpathh –I 1024 –i 4
# xfs_growfs -d /mnt/xfs1
c. Un-mount XFS file system.
# umount /mnt/xfs1
d. Go to step 6 in section A.7.2 to resume the HA cluster configuration.