mdassemble.8

   1 .\" -*- nroff -*-
   2 .TH MDASSEMBLE 8 "" v3.1.1
   3 .SH NAME
   4 mdassemble \- assemble MD devices
   5 .I aka
   6 Linux Software RAID
   7
   8 .SH SYNOPSIS
   9
  10 .BI mdassemble
  11
  12 .SH DESCRIPTION
  13 .B mdassemble
  14 is a tiny program that can be used to assemble MD devices inside an
  15 initial ramdisk (initrd) or initramfs; it is meant to replace the in-kernel
  16 automatic raid detection and activation.
  17 It can be built statically and linked against lightweight libc alternatives, like
  18 .B dietlibc,
  19 .B klibc
  20 or
  21 .B uClibc.
  22
  23 .SH USAGE
  24 Invoking
  25 .B mdassemble
  26 has the same effect as invoking
  27 .B mdadm \-\-assemble \-\-scan.
  28 .PP
  29 Invoking
  30 .B mdassemble
  31 a second time will make all defined arrays readwrite, this is useful if
  32 using the
  33 .B start_ro
  34 module parameter.
  35
  36 .SH OPTIONS
  37
  38 There are no options to
  39 .B mdassemble.
  40
  41 .SH FILES
  42
  43 .SS /etc/mdadm.conf
  44
  45 The config file lists which devices may be scanned to see if
  46 they contain MD super block, and gives identifying information
  47 (e.g. UUID) about known MD arrays.  See
  48 .BR mdadm.conf (5)
  49 for more details.
  50
  51 .B mdassemble
  52 supports all configuration parameters defined in
  53 .B mdadm.conf
  54 with the exception of
  55 .B auto=
  56 which is supported only if mdadm was built with the
  57 .B \-DMDASSEMBLE_AUTO
  58 define.
  59
  60 .SH SEE ALSO
  61 .PP
  62 .BR mdadm (8),
  63 .BR mdadm.conf (5),
  64 .BR md (4),
  65 .BR diet (1).