Symbol: ESC_ZFS_VDEV_ATTACH
usr/src/cmd/syseventd/modules/zfs_mod/zfs_mod.c
778
(strcmp(subclass, ESC_ZFS_VDEV_ATTACH) == 0) ||
usr/src/uts/common/fs/zfs/spa.c
6426
spa_event_notify(spa, newvd, NULL, ESC_ZFS_VDEV_ATTACH);