From: Neil Brown Date: Mon, 9 Oct 2006 21:06:08 +0000 (+1000) Subject: Clarify when update=super-minor happens automatcially X-Git-Tag: mdadm-2.5.4~4 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=45c073c921cfbfe23eaafa0b2bb0986e85e60e27;p=thirdparty%2Fmdadm.git Clarify when update=super-minor happens automatcially .. in man page --- diff --git a/mdadm.8 b/mdadm.8 index 3ebef842..076ee637 100644 --- a/mdadm.8 +++ b/mdadm.8 @@ -724,8 +724,15 @@ The option will update the .B "preferred minor" field on each superblock to match the minor number of the array being -assembled. This is not needed on 2.6 and later kernels as they make -this adjustment automatically. +assembled. +This can be useful if +.B --examine +reports a different "Preferred Minor" to +.BR --detail . +In some cases this update will be performed automatically +by the kernel driver. In particular the update happens automatically +at the first write to an array with redundancy (RAID level 1 or +greater) on a 2.6 (or later) kernel. The .B uuid