Seagate ST3400071FC Guia do Utilizador descarregar pdf (Página 196)

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Command Line Interface Reference InForm OS Version 2.2.4

■ Multiple physical copy operations can occur simultaneously. Host-initiated I/O operations

and those operations initiated by issuing the

createvvcopy command are executed at the

same priority level. As a result, noticeable performance degradation from a host

perspective can be observed.

■ Issuing the createvvcopy command results in the creation of a temporary snapshot and,

in the case of

–r, a resynchronization (resync) snapshot.

◆ The temporary and resynchronization snapshots cannot be deleted while the copy is in

progress.

◆ Upon completion of the copy, the temporary snapshot is automatically deleted if the –s

option is not specified.

◆ If the resynchronization snapshot is saved, it can later be manually deleted. If the

resynchronization snapshot is deleted, later resynchronization is not possible.

■ If the –s option is not specified, the relationship between the destination volume and

source volume is not retained.

■ Issue the showvv command to verify that a virtual volume copy has been made.

■ Issue the showvv –d command to display the number of blocks remaining to be copied.

■ This command can be issued multiple times. However, the InServ system allows only two

active physical copy tasks to run concurrently. Any additional physical copy tasks are

queued, pending the completion of the active physical copy tasks.

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