MD(4) Kernel Interfaces Manual MD(4)
NAME
mdmemory disk driver
SYNOPSIS
pseudo-device md [count]
DESCRIPTION
The md driver enables use of system or user memory as a disk. Memory for the disk must be allocated within the kernel or with mdconfig(8) before the md device may be used as a disk. Its behaviour is configured by the kernel options MEMORY_DISK_HOOKS, MEMORY_DISK_IS_ROOT, MEMORY_DISK_ROOT_SIZE, MEMORY_DISK_DYNAMIC, and MEMORY_DISK_SERVER.
FILES
/dev/md??
block mode memory disk devices.
/dev/rmd??
raw mode memory disk devices.
SEE ALSO