From 2cab92271530d600fe02383277f91830138ede4b Mon Sep 17 00:00:00 2001 From: madduck Date: Wed, 13 Sep 2006 08:36:26 +0000 Subject: * Reworked the documentation with respect to the use of "MD" and "RAID", and added a FAQ entry on the meaning of "MD". Thanks to Frans Pop for his help! --- debian/FAQ | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'debian/FAQ') diff --git a/debian/FAQ b/debian/FAQ index 0d93651b..0f2feec1 100644 --- a/debian/FAQ +++ b/debian/FAQ @@ -3,6 +3,18 @@ Frequently asked questions -- Debian mdadm Also see /usr/share/doc/mdadm/README.recipes.gz +0. What does MD stand for? +~~~~~~~~~~~~~~~~~~~~~~~~~~ +MD is an abbreviation for "multi device". The Linux MD implementation +implements various strategies for combining multiple physical devices into +single logical ones. The most common use case is commonly known as "Software +RAID". Linux supports RAID levels 1, 5, 6, and 10, as well as the +"pseudo-redundant" RAID level 0. In addition, the MD implementation covers +linear and multipath configurations. + +Most people refer to MD as RAID. Since the original name of the RAID +configuration software is "md"adm, I chose to use MD consistently instead. + 1. How do I overwrite ("zero") the superblock? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mdadm --zero-superblock /dev/mdX @@ -26,7 +38,7 @@ Also see /usr/share/doc/mdadm/README.recipes.gz this may not be what you want. Instead, zeroing the superblock will (permanently) prevent a device from being considered as part of an array. -2. How do I change the preferred minor of a MD array (RAID)? +2. How do I change the preferred minor of an MD array (RAID)? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ See item 12 in /usr/share/doc/mdadm/README.recipes.gz and read the mdadm manpage (search for 'preferred'). -- cgit v1.2.3