If reshape one raid device with bitmap to raid0, the reshape progress will
start. But it'll fail and lose some components. So it should remove bitmap
first.
Signed-off-by: Xiao Ni <xni@xxxxxxxxxx>
---
Grow.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Grow.c b/Grow.c
index 6dfb9c9..db4daa8 100755
--- a/Grow.c
+++ b/Grow.c
@@ -1590,6 +1590,15 @@ int Grow_reshape(char *devname, int fd,
pr_err("Cannot increase raid-disks on this array beyond %d\n", st->max_devs);
return 1;
}
+ if (s->level == 0 &&
+ (array.state & (1<<MD_SB_BITMAP_PRESENT)) &&
+ !(array.state & (1<<MD_SB_CLUSTERED))) {
+ array.state &= ~(1<<MD_SB_BITMAP_PRESENT);
+ if (ioctl(fd, SET_ARRAY_INFO, &array)!= 0) {
+ pr_err("failed to remove internal bitmap.\n");
+ return 1;
+ }
+ }
/* in the external case we need to check that the requested reshape is
* supported, and perform an initial check that the container holds the
--
2.4.3
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