An aggregate is composed of twelve 36-Gigabyte disks. A drive fails and only 72-Gigabyte spare disks are
available. Data ONTAP will then perform what action.
A.
Chooses a 72-Gigabyte disk and use it as is.
B.
Chooses a 72-Gigabyte disk and right-size it.
C.
Halts after 24 hour of running in degraded mode.
D.
Alerts you that there are no 36-Gigabyte disks and wait for one to be inserted.
Explanation:
https://library.netapp.com/ecmdocs/ECMP1196986/html/GUID-8A91F6A2-61B8-42C3-AEAB-7D5AA9BBE9CF.html
If a disk fails and no hot spare disk that exactly matches the failed disk is available, Data ONTAP uses the best
available spare. Understanding how Data ONTAP chooses an appropriate spare when there is no matching
spare enables you to optimize your spare allocation for your environment.
Data ONTAP picks a non-matching hot spare based on the following criteria (and more; in the link above):
If the available hot spares are not the correct size, Data ONTAP uses one that is the next size up, if
there is one.
The replacement disk is downsized (aka right sized) to match the size of the disk it is replacing; the
extra capacity is not available.