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tbehman
1 Copper

Move devices from parent storage group to child storage groups

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We want to use the parent and child construct for storage groups, but we already have them all setup with one parent storage group that contains all the devices. Is there a way to seamlessly take those devices and put them into child storage groups? I know that we could delete the masking view and build what we need, but I’m trying to avoid having to remove all the devices from the hosts.

Could we create a new masking view and have all the existing devices presented from both masking views? If that works, we would then delete the original masking view.


Masking View: TEST01

Storage Group: TEST01

Port Group: TEST01

Initiator Group: TEST01

Masking View: TEST01_NEW

Parent Storage Group: TEST01_NEW

Child Storage Groups:

CHILD_01

CHILD_02

Port Group: TEST01

Initiator Group: TEST01

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PaulCork
3 Argentium

Re: Move devices from parent storage group to child storage groups

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you could use symsg -sid xxx convert -cascaded TEST01 Child_01  This will convert the parent sg into a cascaded one with all devices added into child 01, you can then create TEST02 sg and move the devices from Chile_01 to Child_02 that you want

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PaulCork
3 Argentium

Re: Move devices from parent storage group to child storage groups

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you could use symsg -sid xxx convert -cascaded TEST01 Child_01  This will convert the parent sg into a cascaded one with all devices added into child 01, you can then create TEST02 sg and move the devices from Chile_01 to Child_02 that you want

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tbehman
1 Copper

Re: Move devices from parent storage group to child storage groups

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After I have converted the storage group to have a child storage group. What's the syntax to move a subset of the devices to another child storage group in that masking view? Can I add a blank storage group to the masking view and then move the devices between the child storage groups? Will this change the LUN address or be disruptive to the server where the storage is presented?

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PaulCork
3 Argentium

Re: Move devices from parent storage group to child storage groups

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symsg -h

symsg -sg <SgName> -sid <SymmID>   move dev <SymDevName> <DestSgName>

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