62 Posts

June 3rd, 2010 01:00

Hello

If you need to restore the data from the BCV to the new STD then folowing are the points :

1.create a test dg (you need to create the dg on different server or otherwise if you are creating on the same server then you need to disassociate the BCV devices for a time being from the original DG)

2.Add the New STD device and associate with the BCV devices you need to refresh the data

3.Execute the following command

Symmir –sid xxx –g -full restore STD_Ldevname BCV ld BCV_Ldevname

Sanjeev Tanwar

9 Legend

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20.4K Posts

June 3rd, 2010 02:00

Are these RAID5 BCVs or regular BCVs ?

37 Posts

June 3rd, 2010 12:00

You can also do a clone from the source STD to the target STD and bypass the BCV altogether.

2 Intern

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185 Posts

June 3rd, 2010 14:00

Uwe is correct with his suggestion.

Also, if your current BCV is an integral part of your environment, you can just clone it to another standard.

This will leave your original SDDF session between your STD and BCV as well as create a new SDDF session between the BCV and new clone STD target.

consult.jpg

9 Legend

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20.4K Posts

June 3rd, 2010 15:00

one thing to note is that if you are using RAID5 BCVs you will not able to clone it to another device without first canceling STD-BCV relationship (and issues associated with doing that)

2 Intern

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185 Posts

June 4th, 2010 08:00

Hello Dynamox,

I was looking for documentation around your comments but could not find anything. Do you have a technical reference I could review?

According to what I understand from the product guide, this would be supported and only a split would be required to peform a clone session.

TimeFinder/Clone Emulation

TimeFinder/Mirror does not currently support devices that are RAID-5 protected BCVs, but

TimeFinder/Clone does support them. Starting with Enginuity™ Version 5671, TimeFinder

automatically maps a TimeFinder/Mirror command to the executable of the appropriate

TimeFinder/Clone command when it encounters a BCV that is a RAID-5-protected device.

Under clone emulation mode, TimeFinder/Clone initiates the pre-copying of data to all

members of the RAID-5 BCV. In the case of a mirrored BCV, the pre-copying of data occurs at

all of the BCV mirror positions.

Note: While clone emulation mode is primarily a RAID-5 BCV implementation, it can also be used with

any other BCV protection. Clone emulation is available with the TimeFinder/Clone product and can be

used with existing TimeFinder/Mirror scripts.

clone2.jpg

9 Legend

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20.4K Posts

June 4th, 2010 09:00

emc137707

2 Intern

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185 Posts

June 4th, 2010 10:00

Yep, that's what it states...I guess that why they call you the expert!

Thanks for the informaation.

9 Legend

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20.4K Posts

June 4th, 2010 10:00

you are welcome . Learn that the hard way while trying to get creative with refreshing dev/qa environemts from prod BCVs. But guess what, in 5874 you can do just that by using cascaded clone. Got a Vmax ?

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