From 360b463696e89593645c0f094f0c39ba0fa65944 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Mon, 11 May 2009 15:58:42 +1000 Subject: mapfile - when rebuilding, choose an appropriate name is none is found. When rebuilding the mapfile (mdadm -Ir), if not appropriate name is found in /dev/md/, try to find an appropriate name, either by looking in mdadm.conf or by using the name in the metadata. Signed-off-by: NeilBrown --- config.c | 70 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) (limited to 'config.c') diff --git a/config.c b/config.c index d171b1e..275ca21 100644 --- a/config.c +++ b/config.c @@ -1013,3 +1013,73 @@ int conf_name_is_free(char *name) } return 1; } + +struct mddev_ident_s *conf_match(struct mdinfo *info, struct supertype *st) +{ + struct mddev_ident_s *array_list, *match; + int verbose = 0; + char *devname = NULL; + array_list = conf_get_ident(NULL); + match = NULL; + for (; array_list; array_list = array_list->next) { + if (array_list->uuid_set && + same_uuid(array_list->uuid, info->uuid, st->ss->swapuuid) + == 0) { + if (verbose >= 2 && array_list->devname) + fprintf(stderr, Name + ": UUID differs from %s.\n", + array_list->devname); + continue; + } + if (array_list->name[0] && + strcasecmp(array_list->name, info->name) != 0) { + if (verbose >= 2 && array_list->devname) + fprintf(stderr, Name + ": Name differs from %s.\n", + array_list->devname); + continue; + } + if (array_list->devices && devname && + !match_oneof(array_list->devices, devname)) { + if (verbose >= 2 && array_list->devname) + fprintf(stderr, Name + ": Not a listed device for %s.\n", + array_list->devname); + continue; + } + if (array_list->super_minor != UnSet && + array_list->super_minor != info->array.md_minor) { + if (verbose >= 2 && array_list->devname) + fprintf(stderr, Name + ": Different super-minor to %s.\n", + array_list->devname); + continue; + } + if (!array_list->uuid_set && + !array_list->name[0] && + !array_list->devices && + array_list->super_minor == UnSet) { + if (verbose >= 2 && array_list->devname) + fprintf(stderr, Name + ": %s doesn't have any identifying information.\n", + array_list->devname); + continue; + } + /* FIXME, should I check raid_disks and level too?? */ + + if (match) { + if (verbose >= 0) { + if (match->devname && array_list->devname) + fprintf(stderr, Name + ": we match both %s and %s - cannot decide which to use.\n", + match->devname, array_list->devname); + else + fprintf(stderr, Name + ": multiple lines in mdadm.conf match\n"); + } + return NULL; + } + match = array_list; + } + return match; +} -- cgit