Computer Drive User Manual

426 IBM System Storage DS6000 Series: Copy Services with IBM System z
In Example 28-9 on page 425, we connected to the DS8000 HMC with the DS CLI, so the
DS6000 is the remote device. To establish pairs where the DS6000 is the source device, we
must connect to the DS6000 with DS CLI. This makes the DS8000 the remote device.
28.4.3 Managing Global Copy pairs usingthe DS CLI
In this example, we show how you can establish Global Copy volume pairs between a
DS8000 and a DS6000 with the DS CLI. We create two Global Copy pairs. Volumes 0801
and 0802 from the DS8000 are the source volumes, and the target volumes on the DS6000
are 0600 and 0601.
In Example 28-9 on page 425, we created two pairs using the mkpprc command. We then
listed them using the lspprc command and paused one pair with the pausepprc command.
Example 28-10 Using DS CLI to manage Global Copy
dscli> mkpprc -remotedev IBM.1750-1300247 -type gcp 0801:0601 0802:0602
Date/Time: 9 November 2005 2:43:39 IBM DSCLI Version: 5.1.0.204 DS: IBM.2107-7503461
CMUC00153I mkpprc: Remote Mirror and Copy volume pair relationship 0801:0601 successfully
created.
CMUC00153I mkpprc: Remote Mirror and Copy volume pair relationship 0802:0602 successfully
created.
dscli> lspprc 0801-0802
Date/Time: 9 November 2005 2:43:46 IBM DSCLI Version: 5.1.0.204 DS: IBM.2107-7503461
ID State Reason Type SourceLSS Timeout (secs) Critical Mode First Pass
===========================================================================================
0801:0601 Copy Pending - Global Copy 08 unknown Disabled False
0802:0602 Copy Pending - Global Copy 08 unknown Disabled False
dscli> pausepprc -remotedev IBM.1750-1300247 0801:0601
Date/Time: 9 November 2005 2:44:04 IBM DSCLI Version: 5.1.0.204 DS: IBM.2107-7503461
CMUC00157I pausepprc: Remote Mirror and Copy volume pair 0801:0601 relationship
successfully paused.
dscli> lspprc 0801
Date/Time: 9 November 2005 2:44:08 IBM DSCLI Version: 5.1.0.204 DS: IBM.2107-7503461
ID State Reason Type SourceLSS Timeout (secs) Critical Mode First
===========================================================================================
0801:0601 Suspended Host Source Global Copy 08 unknown Disabled False
28.5 Managing DS6000 to DS8000 Global Mirror
The establishment of Global Mirror between a DS8000 and an DS6000 is achieved with the
same methods explained in Chapter 26, “Global Mirror examples” on page 341.
28.5.1 Managing Global Mirror pairs using DS CLI
In Example 28-11, we established a Global Copy pair between volume 0601 on the DS6000
and volume 0801 on the DS8000. Next, we created session 90 for LSS 08. We then created a
Global Mirror using session 90 and LSS 08.
Important: If you specify the wrong -remotedev or you are using a profile where a remote
device that is not the remote device that you want to use is specified, you might get an
error message, CMUN03057, that you are specifying an invalid subsystem ID. This might
be because you are specifying the wrong remote device serial number. If you have multiple
possible remote devices, do not place a remotedev entry in your DS CLI profile.