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тАО04-17-2008 05:36 AM
тАО04-17-2008 05:36 AM
this may sound stupid.
I need to disconnect a third party system from the mains which consists of 2 RP7410 that form an MC/SG cluster with attached Cu SAN storage provided by an HP Virtual Array, contained all in one unit together with its own SAN switch
(which I am sure has a managment interface as well but whose connection details and access credentials I don't know)
I wouldn't want to call this all-in-one-box-arrangement pure HA despite the clustering SW overhead.
Unlike all our other cluster systems which contract their shared storage from our data center SAN fabric
this one is pretty isolated.
I have no RAID management experience with this particular VA, as this is as mentioned a 3rd party plague brought on us.
I would simply cmhaltcl the cluster and shutdown the nodes.
Albeit, I am not sure if it is safe to press the power off switch for the RAID Box afterwards,
silently assuming that the disks aren't accessed anymore and all meta data has been flushed.
I skimmed most manpages of the arm* management commands,
hoping to discover something similar to shutdown for the VA,
which hasn't been the case, or I have merely missed it.
Regards
RAlph
Solved! Go to Solution.
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тАО04-17-2008 05:49 AM
тАО04-17-2008 05:49 AM
Solutionseveral methods:
1) armmgr -s shut
2) shutdown from the virtual front panel (serial connection)
3) stop host access and push the button
From the manual:
"A shutdown is automatically initiated in two ways:
- By moving the power/standby switch to the standby position.
- Using the array management software.
Note:
Using software to perform a shutdown is the preferred method because confirmation of a successful shutdown is reported to the
operator."
Hope this helps!
Regards
Torsten.
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тАО04-17-2008 05:50 AM
тАО04-17-2008 05:50 AM
Re: How to Power Down an HP VA Orderedly?
Ithink what sounds suited would be something like
# armmgr -s shut
Is it that easy?
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тАО04-17-2008 05:56 AM
тАО04-17-2008 05:56 AM
Re: How to Power Down an HP VA Orderedly?
I must have been editing the textarea while you were submitting.
So my thought was right?
When I later start the array
would it suffice to
# armmgr -s start
or would I need to initiate some autobuild or similar?
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тАО04-17-2008 05:59 AM
тАО04-17-2008 05:59 AM
Re: How to Power Down an HP VA Orderedly?
IMHO it would be enough to press the button, because the hosts are already down and the cache is flashed.
Hope this helps!
Regards
Torsten.
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тАО04-17-2008 06:08 AM
тАО04-17-2008 06:08 AM
Re: How to Power Down an HP VA Orderedly?
# armmgr -s shut $(armdsp -i $(uname -n)|awk '/Unique ID:/{print$NF}')
and likewise on start:
# armmgr -s start $(armdsp -i $(uname -n)|awk '/Unique ID:/{print$NF}')
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тАО04-17-2008 06:12 AM
тАО04-17-2008 06:12 AM
Re: How to Power Down an HP VA Orderedly?
Hope this helps!
Regards
Torsten.
__________________________________________________
There are only 10 types of people in the world -
those who understand binary, and those who don't.
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