This is due to a bug in dmraid with the via metadata. It was trying to
create a stripe using the ENTIRE disk, including the last few unused
sectors that don't make up a full stripe. This patch fixes it to round
down to the nearest stripe size:
--- dmraid-0.9.9+1.0.0.rc12.orig/1.0.0.rc12-pre1/lib/format/ataraid/via.c
+++ dmraid-0.9.9+1.0.0.rc12/1.0.0.rc12-pre1/lib/format/ataraid/via.c
@@ -406,7 +406,8 @@
rd->type = type(via);
rd->offset = VIA_DATAOFFSET;
- rd->sectors = rd->meta_areas->offset;
+ /* round down disk length to a hole stripe */
+ rd->sectors = (~(VIA_STRIDE(via)-1)) & rd->meta_areas->offset;
return (rd->name = name(lc, rd, 1)) ? 1 : 0;
}
Patch has been sent upstream.
--
DMRAID stopped to work in kernels > 2.6.15
https://launchpad.net/bugs/54246
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