From: Labun, Marcin <Marcin.Labun@intel.com>
Date: Thu, 10 Mar 2011 00:50:57 +0000 (+1100)
Subject: imsm: verify that component disks are attached to the same type of HBA
X-Git-Tag: mdadm-3.2.1~56
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8603ea6f221478067e1f50cf1b4d54661403911b;p=thirdparty%2Fmdadm.git

imsm: verify that component disks are attached to the same type of HBA

compare_super_imsm verifies that the component disks use the same type of HBA
in platform dependent environment. Otherwise print-out error message and block
the action.

Signed-off-by: Marcin Labun <marcin.labun@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---

diff --git a/super-intel.c b/super-intel.c
index 663ce2df..3dc89991 100644
--- a/super-intel.c
+++ b/super-intel.c
@@ -2207,6 +2207,18 @@ static int compare_super_imsm(struct supertype *st, struct supertype *tst)
                 tst->sb = NULL;
                 return 0;
         }
+	/* in platform dependent environment test if the disks
+	 * use the same Intel hba
+	 */
+	if (!check_env("IMSM_NO_PLATFORM")) {
+		if (first->hba->type != sec->hba->type)  {
+			fprintf(stderr,
+				"HBAs of devices does not match %s != %s\n",
+				get_sys_dev_type(first->hba->type),
+				get_sys_dev_type(sec->hba->type));
+			return 3;
+		}
+	}
 
 	/* if an anchor does not have num_raid_devs set then it is a free
 	 * floating spare