Saturday, January 3, 2015

LVM disk striping

Add newly added luns to /etc/multipath.conf file to make MD devices...
# vgcreate -s 128M SANvg11 /dev/mapper/MDDISK05p1 /dev/mapper/MDDISK06p1 /dev/mapper/MDDISK07p1 /dev/mapper/MDDISK08p1
# lvcreate -i4 -I128 -L402G -n DATA11 SANvg11 /dev/mapper/MDDISK05p1 /dev/mapper/MDDISK06p1 /dev/mapper/MDDISK07p1 /dev/mapper/MDDISK08p1
# mkfs.ext4 /dev/SANvg11/DATA11

Add entry to fstab
# mount -a
# chown obdata:obgrp  /opt/data11

# ls -ld   /opt/data11
# lvs -a -o +devices | grep SANvg
# vgdisplay SANvg11 

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