Restrictions
An FPO environment includes restrictions.
The following restrictions apply:
- Storage pool properties can be set only when the pool is created and cannot be changed later.
- All disks in an FPO pool must be assigned an explicit failure group.
- All disks in an FPO pool must have exactly one NSD server associated with them.
- All disks in an FPO pool that share an NSD server must belong to the same failure group.
- When replacing a disk in an FPO pool, the old and new disks must have the same NSD server.
- Disks must be removed from the file system before NSD servers can be changed.
- FPO is not supported on Windows.
There might be additional limitations and restrictions. For the latest support information, see the IBM Spectrum Scale™ FAQ in IBM® Knowledge Center.