A pair can be created using LUs whose LU numbers are 2048 to 4095 if you connect VSP 5000 series, whose DKCMAIN program version is 90-02-0x-xx/xx or later, as the source storage system.
Do not try to create a pair using LUs whose LU numbers are 2048 to 4095 unless the storage system to which you are connecting is also VSP 5000 series, whose DKCMAIN program version is 90-02-0x-xx/xx or later. Failures, such as Pair Suspend, might occur if you try to create a pair using LUs whose LU numbers are 2048 or greater and the storage system to which you are connecting is one of the following:
- A storage system other than a VSP 5000 series
- A VSP 5000 series whose DKCMAIN program version is earlier than 90-02-0x-xx/xx.
For VSP 5000 series whose DKCMAIN program version is 90-02-0x-xx/xx or later, up to 4096 LU paths are possible for a Fibre Channel port or iSCSI port. These restrictions are not applied to NVMe-oF ports.
- If you set a host group for a Fibre Channel port, up to 4096 LU paths can be set for a host group. In addition, up to 4096 LU paths can be set for a port through the host group.
- If you configure an iSCSI target for an iSCSI port, you can configure up to 4096 LU paths for an iSCSI target. In addition, up to 4096 LU paths can be set for a port through the iSCSI target.
For VSP E series, up to 2048 LU paths are possible. These restrictions are not applied to NVMe-oF ports.
- If you set a host group for a Fibre Channel port, up to 2048 LU paths can be set for a host group. In addition, up to 2048 LU paths can be set for a port through the host group.
- If you configure an iSCSI target for an iSCSI port, you can configure up to 2048 LU paths for an iSCSI target. In addition, up to 2048 LU paths can be set for a port through the iSCSI target.
The following table lists LU numbers that can be used when different target storage systems and DKCMAIN program versions are connected to VSP 5000 series.
| Source storage system* | Target storage system | Restrictions | ||
|---|---|---|---|---|
| Storage system | Program version of DKCMAIN | LU number that can create a pair | Number of LU paths that can be set for a port | |
| VSP 5100, VSP 5500 | VSP | 70-06-63-xx/xx or later | 0 to 2047 | 0 to 2048 |
| VSP G1x00, VSP F1500 | 80-06-7x-xx/xx or later | 0 to 2047 | 0 to 2048 | |
| VSP 5100, VSP 5500 | Earlier than 90-02-0x-xx/xx | 0 to 2047 | 0 to 2048 | |
| 90-02-0x-xx/xx or later | 0 to 4095 | 0 to 4096 | ||
| VSP 5200, VSP 5600 | Any | 0 to 4095 | 0 to 4096 | |
| VSP G/F350, G/F370, G/F700, G/F900 | 88-04-0x-xx/xx or later | 0 to 2047 | 0 to 2048 | |
| VSP E590, VSP E790 | 93-03-22-xx/xx or later | 0 to 2047 | 0 to 2048 | |
| VSP E990 | 93-02-01-xx/xx or later | 0 to 2047 | 0 to 2048 | |
| VSP E1090 | 93-06-22-x0/00 or later | 0 to 2047 | 0 to 2048 | |
| VSP 5200, VSP 5600 | VSP G1x00, VSP F1500 | 80-06-87-xx/xx or later | 0 to 2047 | 0 to 2048 |
| VSP 5100, VSP 5500 | 90-08-01-xx/xx or later | 0 to 4095 | 0 to 4096 | |
| VSP 5200, VSP 5600 | Any | 0 to 4095 | 0 to 4096 | |
| VSP G/F350, G/F370, G/F700, G/F900 | 88-08-04-xx/xx or later | 0 to 2047 | 0 to 2048 | |
| VSP E590, VSP E790, VSP E990 | 93-05-03-xx/xx or later | 0 to 2047 | 0 to 2048 | |
| VSP E1090 | 93-06-22-x0/00 or later | 0 to 2047 | 0 to 2048 | |
| * For details about the supported DKCMAIN microcode versions for the source and target storage systems, see your system requirements. | ||||