Pause Global Mirror Session; Resume Global Mirror Session - IBM System storage DS6000 Series Redbook

Current Time
CG Time
Successful CG Percentage
Successful CG Percentage
FlashCopy Sequence Number 0x42AF463B
Master ID
Subordinate Count
Master SSID
Subordinate SSID

26.11.6 Pause Global Mirror session

Use the pausegmir command to pause Global Mirror processing. This allows you to
temporarily suspend Global Mirror processing attempts to form consistency groups, for the
specified session. The syntax of the pausegmir command is as follows:
dscli pausegmir -lss <Master LSS ID> -session <session_ID> -cfg <Master device
configuration file>
<Master_Control_Path_LSS_ID>:<Subordinate_Control_Path_LSS_ID> ...
One reason you would pause a Global Mirror session is to make modifications to the Global
Mirror tuning parameters, because these parameters can be modified when you resume the
session. See 26.11.7, "Resume Global Mirror session" on page 399.
Example 26-64 shows the result of pausing the Global Mirror session 01. This session
consisted only of a Master (no Subordinates), which was running in LSS 65 on the storage
image at site 1.
Example 26-64 pausegmir with Master only
dscli pausegmir -lss 65 -session 01 -cfg $DSCLI/profile/DS-01.profile
Date/Time: June 15, 2005 10:22:39 AM EDT IBM DSCLI Version: 5.0.3.134 DS: IBM.2107-7506551
CMUC00163I pausegmir: Global Mirror for session 01 successfully paused.
Example 26-65 shows the result of pausing Global Mirror session 01. This time, the session
consisted of a Master running in LSS 65 of one storage image, and a Subordinate running in
LSS 67 of a different storage image.
Example 26-65 pausegmir with Master and Subordinate
dscli pausegmir -lss 65 -session 01 -cfg $DSCLI/profile/DS-01.profile
IBM.2107-7506551/65:IBM.2107-7505801/67
Date/Time: June 15, 2005 11:32:46 AM EDT IBM DSCLI Version: 5.0.3.134 DS: IBM.2107-7506551
CMUC00163I pausegmir: Global Mirror for session 01 successfully paused.
To visualize the paused Global Mirror session, use the command showgmir as discussed in
26.11.5, "Query Global Mirror session information" on page 397, and illustrated in
Example 26-62 and Example 26-63 on page 398.

26.11.7 Resume Global Mirror session

The resumegmir command resumes Global Mirror processing for a specified session. If you
have issued a pausegmir command to pause Global Mirror processing, issue the resumegmir
command to continue Global Mirror processing. The syntax of the resumegmir command is
as follows:
06/15/2005 11:37:46 EDT
06/15/2005 11:36:01 EDT
100
94
IBM.2107-7506551
1
0xFF65
0xFF67
Chapter 26. Global Mirror examples
399