Lustre 1.6 Operations Manual

How to Create a CSV File
Five different types of line formats are available to create a CSV file. Each line format
represents a target. The list of targets with the respective line formats are described
below:
Linux MD device
The CSV line format is:
hostname, MD, md name, operation mode, options, raid level, component devices
Where:
Variable
Supported Type
hostname
MD
md name
operation mode
Hostname of the node in the cluster.
Marker of the MD device line.
MD device name, for example: /dev/md0
Operations mode, either create or remove. Default is create.
options A ‘catchall’ for other mdadm options, for example, -c 128
raid level
hostname
component devices
RAID level: 0, 1, 4, 5, 6, 10, linear and multipath.
Hostname of the node in the cluster.
Block devices to be combined into the MD device. Multiple devices are
separated by space or by using shell extensions, for example:
/dev/sd{a,b,c}
Chapter 6 Configuring Lustre - Examples 6-5