HP XP P9500 Storage User Manual

Page 32

Advertising
background image

Table 15 Whether a Compatible FlashCopy V2 volume can be used as a Cnt Ac-J Z volume

Cnt Ac-J Z

Compatible FlashCopy V2

S-VOL

P-VOL

NO

OK

S-VOL

NO

OK

T-VOL

Table 16 Whether a Compatible FlashCopy SE volume can be used as a Cnt Ac-J Z volume

Cnt Ac-J Z

Compatible FlashCopy SE

S-VOL

P-VOL

NO

OK

S-VOL

NO

NO

T-VOL

When you use a Compatible FlashCopy S-VOL as a Cnt Ac-J Z P-VOL

You can use a Compatible FlashCopy S-VOL as a Cnt Ac-J Z P-VOL when the Cnt Ac-J Z pair is in
any status.

A volume shared by two Cnt Ac-J Z pairs in a 3DC multi-target configuration in three Cnt Ac-J Z
sites cannot be used as a Compatible FlashCopy S-VOL.

When you use a Compatible FlashCopy T-VOL as a Cnt Ac-J Z P-VOL

You can use a Compatible FlashCopy T-VOL as a Cnt Ac-J Z P-VOL when the Cnt Ac-J Z pair is in
any status.

CAUTION:

If a Compatible FlashCopy volume and a Cnt Ac-J Z volume cannot be shared, the host may
receive a report that a Compatible FlashCopy T-VOL is a PPRC P-VOL.

If the S-VOL and T-VOL of a Compatible FlashCopy pair are both Thin Provisioning Z volumes,
the number of pages remaining in the T-VOL may differ depending on the timing.

A volume shared by two Cnt Ac-J Z pairs in a 3DC multi-target configuration in three Cnt Ac-J
Z sites cannot be used as a Compatible FlashCopy V2 T-VOL.

Using Compatible FlashCopy with Concurrent Copy and Extended Remote Copy

The following table describes the combinations of the volumes when you use Compatible FlashCopy
with Concurrent Copy (CC) and Extended Remote Copy (XRC).

Table 17 Whether a Compatible FlashCopy volume can be used as a CC or XRC volume

CC / XRC

Compatible FlashCopy

S-VOL

P-VOL

OK

OK

S-VOL

NO*

NO

T-VOL

*Do not share Compatible FlashCopy T-VOL with a CC or XRC S-VOL. If a T-VOL (S-VOL) is shared by both Compatible
FlashCopy and CC or XRC, the data in the T-VOL (S-VOL) will be overwritten by the two programs and destroyed

The following table indicates whether Reverse Restore and Fast Reverse Restore can be performed
when a Compatible FlashCopy volume is used as a CC or XRC volume.

32

About Compatible FlashCopy operations

Advertising