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September 18th, 2012 01:00
What causes a device group to become invalid?
I encountered 2 invalid device groups on a host I'm using to control several groups. These 2 groups contain 14 and 10 devices, but I can't see which devices are in these groups.
I have 3
questions:- What causes a DG to become invalid?
- How can I repair these 2 invalid groups?
- How can I get information about which devices are actually in these groups, because a symdg show doesn't show that
D E V I C E G R O U P S
Name Type Valid Symmetrix ID Devs
group1 REGULAR No 001234567890 14
group2 REGULAR No 001234567890 10
The thing is that the documentation doesn't show what's supposed to be in these groups. Is there another way to know which devices are in these groups?
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Sam Claret
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September 18th, 2012 01:00
1) What causes a device group to become invalid – This is most often seen with SRDF where another host has manipulated the devices in the device group so that one or more devices have a different personality or sync state to that expected. If a symcfg discover does not rectify it you can do a symdg export of the device group. …..
2) Generally after doing the symdg export you look at the devices listed in the export file and determine how the devices are contrary to the device group – like a R1 device in an RDF2 device group
3) Symdg export – then symdev show……
Sam Claret
Technical Support Engineer III
Worldwide Technical Support – OSAPI Windows
Office Hours: Rotating shift, 7AM – 4PM GMT
Office #: +353 21 494 5981
RRR
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September 18th, 2012 01:00
Thanks, Sam! It helped!!! You're the best
Sam Claret
86 Posts
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September 18th, 2012 01:00
Almost anytime ☺
Sam Claret
Technical Support Engineer III
Worldwide Technical Support – OSAPI Windows
Office Hours: Rotating shift, 7AM – 4PM GMT
Office #: +353 21 494 5981
RRR
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September 18th, 2012 01:00
Ah, didn't see you answered the question already while I was writing my 2nd post. I'm doing an export now. Thanks!
RRR
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September 18th, 2012 01:00
When I do a "symdev show" of ALL devices on that particular Symm from the host with these 2 invalid DGs I found out which 14 devices I was missing, but that script took all night to run
. There must be an easier and faster way, or is there?