PSARC 2006/370 ZFS Boot Support

5008936 ZFS and/or zvol should support dumps
5070124 dumpadm -d /dev/... does not enforce block device requirement for savecore
6521468 ZFS Boot support Phase 2
6553503 bfu can't find 'rootdev' from /etc/vfstab on a zfs root filesystem
6574993 zfs_mountroot() may need to call clkset() to set the boot_time kstat
6633197 zvol should not permit newfs or createpool while it's in use by swap or dump
6661127 zfs_name_valid() does not support ZFS_TYPE_POOL
6684121 The changes to smf scripts for supporting canmount=noauto will cause a boot failure.

--HG--
rename : usr/src/psm/stand/bootblks/zfs/common/debug-zfs.fth => deleted_files/usr/src/psm/stand/bootblks/zfs/common/debug-zfs.fth
rename : usr/src/psm/stand/bootblks/zfs/common/big-zfs.fth => usr/src/psm/stand/bootblks/zfs/common/fs-zfs.fth

1 files changed, 10 insertions, 1 deletions

diff --git a/usr/src/cmd/dumpadm/dconf.c b/usr/src/cmd/dumpadm/dconf.c
index 1fb9216765..3cd5b725da 100644
--- a/usr/src/cmd/dumpadm/dconf.c
+++ b/usr/src/cmd/dumpadm/dconf.c
@@ -19,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -38,6 +38,7 @@
 #include <fcntl.h>
 #include <errno.h>
 #include <libdiskmgt.h>
+#include <libzfs.h>
 
 #include "dconf.h"
 #include "minfree.h"
@@ -343,6 +344,11 @@ dconf_dev_ioctl(dumpconf_t *dcp, int cmd)
 	case EBUSY:
 		warn(gettext("device %s is already in use\n"), dcp->dc_device);
 		break;
+	case EBADR:
+		/* ZFS pool is too fragmented to support a dump device */
+		warn(gettext("device %s is too fragmented to be used as "
+		    "a dump device\n"), dcp->dc_device);
+		break;
 	default:
 		/*
 		 * NOTE: The stmsboot(1M) command's boot-up script parses this
@@ -447,6 +453,9 @@ dconf_update(dumpconf_t *dcp, int checkinuse)
 				goto err;
 			}
 
+			if ((error = zvol_check_dump_config(
+			    dcp->dc_device)) > 0)
+				goto err;
 			if (ioctl(dcp->dc_dump_fd, DIOCGETDUMPSIZE, &d) == -1) {
 				warn(gettext("failed to get kernel dump size"));
 				goto err;