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Status Not under consideration
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on Aug 8, 2016

RELATED IDEAS

V9000 - stopfcconsistgrp command with force option cancelled flash-copy tasks on another consistency group !

Our V9000 All Flash Array has two flash-copy consistency groups.

1. Used for daily backups ( Oracle hot backups )
2. Used for a QA refresh.

On 8/4/2016, we did a QA refresh of 14TB using consistency group 2. copyrate was set to 50, we estimated it to take about 32 hours.

On 8/5/2016, I faced an issue. Two tasks from consistency group "1" were in 'stopping ' state.
Basically, my scheduled daily backup job failed.
I wanted to restart the backup. In order to do that, first, I needed to stop all tasks in consistency group 1.

After multiple attempts to stop them gracefully, I executed the following command.

svctask stopfcconsistgrp -force 1

I expected v9000 to stop tasks in consistency group "1".

But, to my surprise, and later horror, it not only stopped the two tasks from consistency group "1" , but stopped about 27 of the 29 copies that were still copying data in the background that belonged to consistency group "2".

This is unbelievable !!. A standard program that accepts an argument to work upon,

1. It should simply deny if it has to kill another consistency group
2. Or, at least give the executor a warning "Hey, I am going to be killing consistency group 2 as well, Are you sure ??"

Idea priority High

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