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md(4) [netbsd man page]

MD(4)							   BSD Kernel Interfaces Manual 						     MD(4)

md -- memory 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
options(4), mdconfig(8), mdsetimage(8) BSD
February 25, 2007 BSD
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