6
Online Import supports thin and full-provisioned vdisks on the EVA P6000 as source volumes. Vdisks larger than
16 TB cannot be migrated since this is the VV size limit on HP 3PAR StoreServ. Only hosts with FC HBAs to EVA P6000
and HP 3PAR StoreServ are supported for Online Import. One EVA P6000 system and one HP 3PAR StoreServ system
can be defined as a source-destination pair for an Online Import migration operation. Only one online, minimally
disruptive, or offline migration can take place simultaneously. Executing an Online Import migration simultaneously
from two different EVA systems to the same HP 3PAR StoreServ system is not supported.
No more than 25 offline vdisks can be specified in a single migration definition. No more than 255 online vdisks can be
migrated in a single migration definition; this number includes the explicit and implicitly selected vdisks. The volumes
created by Online Import on the destination HP 3PAR StoreServ are normal volumes that can be the subject of snapshots,
Physical Copy, Remote Copy, Dynamic Optimization (DO), and Adaptive Optimization (AO) operations to name a few.
These operations can only start when the destination volume is no longer of the Peer type.
For every vdisk, a migration task gets created in the HP 3PAR StoreServ. Up to nine migration tasks execute simultaneously;
the other tasks are queued and start automatically when a previous migration task finishes. During the migration the P6000
Command View application can be closed, as the migration continues autonomically by the HP 3PAR StoreServ system.
Online Import workflow
The workflow for an HP 3PAR Online Import operation can be subdivided in five steps. We assume that the source
EVA P6000 has one or more vdisks created. Some of them may be presented to a host.
In a first step, we assure that, for the case of an online or minimally disruptive Online Import migration, a supported
version of the multipathing software for the EVA P6000 and the HP 3PAR StoreServ is installed and configured on the
host. Also verify that the two Peer FC ports on the destination HP 3PAR StoreServ system were created and zoned
properly to two host ports on the EVA P6000 system. The required SAN FC setup at this step is shown in Figure 2.
Figure 2. SAN configuration when starting the Online Import wizard
(48 paginas)
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