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тАО12-03-2004 01:25 AM
тАО12-03-2004 01:25 AM
-John
Solved! Go to Solution.
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тАО12-03-2004 01:56 AM
тАО12-03-2004 01:56 AM
Re: How do we do firmware upgrades w/o losing disk info?
upgrading the es45 firmware has no influence on the diskinfo.
Who told you that the controller would lose the diskinfo? According to my knowledge it saves it on the disks anyway so it would retrieve them from there. We once moved two disks to another slot position and the controller identified them and adapted the logical volumes.
greetings,
Michael
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тАО12-03-2004 03:26 AM
тАО12-03-2004 03:26 AM
Re: How do we do firmware upgrades w/o losing disk info?
thanks!
-John
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тАО12-03-2004 03:40 AM
тАО12-03-2004 03:40 AM
Re: How do we do firmware upgrades w/o losing disk info?
I still don't get the picture. Anywaym the procedure is described in the installation and user guide on page 1-14 here
http://h18002.www1.hp.com/alphaserver/products/storage/sa5300a/sa5300a_tech.html
greetings,
Michael
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тАО12-03-2004 06:01 AM
тАО12-03-2004 06:01 AM
Re: How do we do firmware upgrades w/o losing disk info?
Michael Schulte Nov 30, 2004 19:42:41 GMT points for answer: Unassigned 10 9 8 7 6 5 4 3 2 1 0
--------------------------------------------------------------------------------
John,
I assume you would have to do a reset on the controller after firmware update. This would mean a loss of connection to the disks. If you have mounted file systems on them you would certainly get a domain panic. If they are the boot disks you might crash the machine. I wouldn't do it without shutdown.
greetings,
Michael
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тАО12-03-2004 06:11 AM
тАО12-03-2004 06:11 AM
Re: How do we do firmware upgrades w/o losing disk info?
that is indeed me. I was argueing that for a firmware update you would have to shutdown the machine. The author of the thread wanted to do it online. The controller would have to be reset to run the new firmware and when you have file systems mounted that would lead to an advfs panic and may even crash the machine. Other than that I did not suspect anything. This should work.
greetings,
Michael
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тАО12-03-2004 07:53 PM
тАО12-03-2004 07:53 PM
Re: How do we do firmware upgrades w/o losing disk info?
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тАО12-05-2004 11:28 PM
тАО12-05-2004 11:28 PM
SolutionBefore making the upgrade you can save the "configuration" of your array on any disk that is not used on the same array.
The data on the disks cannot be removed except with an initialize command (as far as I know). But sometimes when you upgrade the firmware, it is safer to save the configuration on an unused disk then if you ever needed to restore the configuration, you can do it from that same disk.
check the command
init diskxxxxx save_configuration
where diskxxxxx is an unused disk on the array
HTH
Mohamed
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тАО12-06-2004 04:19 AM
тАО12-06-2004 04:19 AM
Re: How do we do firmware upgrades w/o losing disk info?
the information you have presented is valid for HSZ/HSG storage controllers. A SAVE_CONFIGURATION is only supported on single-controller configurations. If you INITIALIZE a storage-set later-on you will:
- shrink the size of the set to make room for the metadata, which makes data unavailable
This thread, however is about a SmartArray controller. It always stores the configuration data on the disks.
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тАО12-06-2004 04:31 AM
тАО12-06-2004 04:31 AM
Re: How do we do firmware upgrades w/o losing disk info?
Mohamed