IBM DS6000 Manual Do Utilizador

Chapter 9. FlashCopy interfaces 

The command 

 can be used to remove a Consistency Group for multiple 

volumes for which FlashCopy relations were established using the 

 parameter. This 

command removes the long busy condition and allows I/Os to continue for the source 
volumes. See Example 9-11.

The 

command is issued to the entire logical subsystem (LSS). 

#--- Example 1
unfreezeflash -dev IBM.1750-7506571/00
Date/Time: July 12, 2005 12:27:06 AM CEST IBM DSCLI Version: 5.0.3.134 DS: IBM.1750-7506571
CMUC00172I unfreezeflash: FlashCopy consistency group for logical subsystem 00: successfully reset.

Remote FlashCopy commands are similar to local FlashCopy commands. The remote 
commands can be issued whenever a DS6000 mirroring takes place from one DS6000 to 
another DS6000. In this situation the Fibre Channel links between the two DS6000s—that are 
used for mirroring purposes—are also used to transmit the FlashCopy commands to the 
remote DS6000. For detailed information about the DS CLI, refer to IBM System Storage 
DS6000: Command-Line Interface User´s Guide, GC26-7922.

The syntax of the remote FlashCopy commands is similar to the syntax of the local 
FlashCopy commands. The commands themselves have similar names except for the 
“

” character string that you can see in the remote FlashCopy commands names.

Table 9-5 shows the similarity between both sets of commands; their actions are also similar.

mkflash

mkremoteflash

Establish FlashCopy

lsflash

lsremoteflash

List FlashCopy

setflashrevertible

setremoteflashrevertible

Set FlashCopy to revertible

commitflash

commitremoteflash

Commit FlashCopy on target

resyncflash

resyncremoteflash

Increment FlashCopy

reverseflash

reverseremoteflash

Switch source-target

revertflash

revertremoteflash

Reset to last consistency point

unfreezeflash

-

Reset Consistency Group

rmflash

rmremoteflash

Remove FlashCopy