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-rw-r--r--sbin/geom/class/mirror/geom_mirror.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/sbin/geom/class/mirror/geom_mirror.c b/sbin/geom/class/mirror/geom_mirror.c
index 2f9d5dc..0ace733 100644
--- a/sbin/geom/class/mirror/geom_mirror.c
+++ b/sbin/geom/class/mirror/geom_mirror.c
@@ -215,6 +215,7 @@ mirror_label(struct gctl_req *req)
}
md.md_mediasize = mediasize;
md.md_sectorsize = sectorsize;
+ md.md_mediasize -= (md.md_mediasize % md.md_sectorsize);
/*
* Clear last sector first, to spoil all components if device exists.
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