diff options
Diffstat (limited to 'usr/src/uts/common/fs/zfs/vdev.c')
| -rw-r--r-- | usr/src/uts/common/fs/zfs/vdev.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/usr/src/uts/common/fs/zfs/vdev.c b/usr/src/uts/common/fs/zfs/vdev.c index f3b3ecd66e..e2abde9bd6 100644 --- a/usr/src/uts/common/fs/zfs/vdev.c +++ b/usr/src/uts/common/fs/zfs/vdev.c @@ -2264,3 +2264,35 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux) if (!isopen) vdev_propagate_state(vd); } + +/* + * Check the vdev configuration to ensure that it's capable of supporting + * a root pool. Currently, we do not support RAID-Z or partial configuration. + * In addition, only a single top-level vdev is allowed and none of the leaves + * can be wholedisks. + */ +boolean_t +vdev_is_bootable(vdev_t *vd) +{ + int c; + + if (!vd->vdev_ops->vdev_op_leaf) { + char *vdev_type = vd->vdev_ops->vdev_op_type; + + if (strcmp(vdev_type, VDEV_TYPE_ROOT) == 0 && + vd->vdev_children > 1) { + return (B_FALSE); + } else if (strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 || + strcmp(vdev_type, VDEV_TYPE_MISSING) == 0) { + return (B_FALSE); + } + } else if (vd->vdev_wholedisk == 1) { + return (B_FALSE); + } + + for (c = 0; c < vd->vdev_children; c++) { + if (!vdev_is_bootable(vd->vdev_child[c])) + return (B_FALSE); + } + return (B_TRUE); +} |