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adding devices to device group
New to EMC and hoping someone can answer quick question for me please. I've just been tasked with setting up replication from prod to dev server. My question is, if I run "symdg create $GROUP", can I safely run "symdg -g $GROUP add dev $DEV", with devices that are already in use? Basically I have SAN assigned to a prod server, and a device group was never created, can I safely add devices that have data on them, to a new device group?
If it makes a difference, this is for a symmetrix DMX, with solutions enabler 6.2 and timefinder clone.
Thanks in advance for any help.
If it makes a difference, this is for a symmetrix DMX, with solutions enabler 6.2 and timefinder clone.
Thanks in advance for any help.
dynamox
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October 7th, 2007 12:00
dynamox
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October 7th, 2007 14:00
desimus
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October 7th, 2007 14:00
xe2sdc
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October 7th, 2007 23:00
In my mind DiskGroups are the same as the circles our child learn at primary school
As long as you draw circles, you do nothing that can hurt your beloved devices .. Troubles may start when you issue commands against DGs
dynamox
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October 8th, 2007 03:00
RitaWorkman
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October 17th, 2007 12:00
You say you have a SAN - I will take that has 1 SAN
You say you have been tasked to replicate your Prod data (disks) on Prod server to a Dev server.
If your simply looking for a "copy", you could set up new disk on the Dev server and copy your data across. That would be a one time copy. Quick & easy.
If your looking to have a daily updated version of your Prod data (disks) on your Dev (disks) you could set up BCV disks on your Dev server. Set up your device group on both your Prod and Dev, with the BCV's in the group. Then nightly, via a simply script, you could sync them and then split them and remount your refreshed BCV (Dev server) disks back up. Thus keeping them seperate during production hours. This takes a bit longer, but is often what I see for shops that want to run a second copy of a database for reports (read only access) and such. Or to mount and leave idle so they can be used to do cold backups.
From the earlier threads, maybe I mis-read, but it sounds like (especially since you say your new to EMC) you might mistakenly give access to your Prod disks to both Prod -AND- Dev. And that could be a problem.
Just a thought,
Rita