mdcreate8

Synopsys

mdcreate [-cxk] [-fx] personality md_dev dev0 dev1 ...

Overview

mdcreate sets up a mdtab entry, and adds some checksum informations to insure consistency of the virtual device.

Options

-cn

Set the chunk size as PAGE_SIZE << n. You can also set the chunk size in kilobytes with -cxk where x is a power of 2.

-fn

(raid-1 only)
Set the maximum fault number as n.

Examples

Currently, usable personalities are linear, raid0 & raid1. To create a mdtab entry for a raid0 device using 8k chunks, use :

/sbin/mdcreate -c8k raid0 /dev/md0 /dev/sdb1 /dev/sdc1