md(4) - NetBSD Manual Pages

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MD(4)                   NetBSD Kernel Interfaces Manual                  MD(4)


NAME
md -- memory disk driver
SYNOPSIS
pseudo-device md
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) NetBSD 9.0 November 30, 2013 NetBSD 9.0
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