Neil,
hot add is not working for non-persistent superblock arrays (md is trying, and failing, to read a superblock from the new disk)...
attached patch fixes it...
Thanks, Paul
Signed-Off-By: Paul Clements <paul.clements@xxxxxxxxxxxx>
md.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -purN --exclude-from /export/public/clemep/tmp/dontdiff linux-2.6.12-rc1-mm2-PRISTINE/drivers/md/md.c linux-2.6.12-rc1-mm2/drivers/md/md.c
--- linux-2.6.12-rc1-mm2-PRISTINE/drivers/md/md.c Fri Mar 25 14:33:36 2005
+++ linux-2.6.12-rc1-mm2/drivers/md/md.c Thu May 19 16:29:44 2005
@@ -2218,7 +2218,8 @@ static int add_new_disk(mddev_t * mddev,
mdname(mddev));
return -EINVAL;
}
- rdev = md_import_device(dev, mddev->major_version,
+ rdev = md_import_device(dev, mddev->persistent ?
+ mddev->major_version : -1,
mddev->minor_version);
if (IS_ERR(rdev)) {
printk(KERN_WARNING
