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тАО05-20-2002 09:23 AM
тАО05-20-2002 09:23 AM
I now need extra disk space and want to have HP install the frmware upgrade that allows for Raid5 (we can only do 0/1 now).
When I asked the tech if we would lose our data and need to restore from tape his response was "it's not supposed to...but it could happen".
Has anyone been through this? If so, did you lose your data, or did it remain intact? Also, how long did it take for the upgrade?
Solved! Go to Solution.
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тАО05-20-2002 09:42 AM
тАО05-20-2002 09:42 AM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
Hope this helps.
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тАО05-20-2002 11:02 AM
тАО05-20-2002 11:02 AM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
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тАО05-28-2002 03:35 PM
тАО05-28-2002 03:35 PM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
ALWAYS back up an array before a firmware upgrade.
The only exception I've seen to this rule is an XP array - it seems to be able to handle anything without losing data.
Good luck!
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тАО05-29-2002 07:59 AM
тАО05-29-2002 07:59 AM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
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тАО05-30-2002 06:24 AM
тАО05-30-2002 06:24 AM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
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тАО06-05-2002 12:55 PM
тАО06-05-2002 12:55 PM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
How exactly do I tell it to switch to autoraid? And, more importantly, is this a "safe" thing to do?
Where will it put the "extra" space that RAID5 will give me? I have several file systems set up right now - will it just distribute it equally, or what??
Thanks, Jeanine
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тАО06-05-2002 03:33 PM
тАО06-05-2002 03:33 PM
Solution> How exactly do I tell it to switch to autoraid? And, more importantly, is this a "safe" thing to do?
This is in the Command View SDM Installation and User Guide, P/N T1001-96007 which can be found at http://h200005.www2.hp.com/bc/docs/support/SupportManual/lpg28818/lpg28818.pdf
You can set AutoRAID mode via the GUI or command line.
With the Command Line, use the armmgr command (/opt/sanmgr/commandview/client/sbin/armmgr) to set AutoRAID mode. It appears on page 108, and an example appears on pg 114.
armmgr -C hpautoraid /dev/rdsk/c?t?d?
is an example.
In the GUI, click the Management tab, then Array Settings button. There will be a radio button for RAID1 or AutoRAID. This is described around page 70.
Note that once AutoRAID is set, it cannot be reversed without deleting ALL LUNs and restoring data. So, be sure about it.
> Where will it put the "extra" space that RAID5 will give me? I have several file systems set up right now - will it just distribute it equally, or what??
The extra space will appear as free space that you can create LUNs with. The space of the array will be approx. 80% RAID5, and 10% RAID0/1. The array will decide where to use RAID 5 and where to use RAID 0/1. It will not tell you what is what. Most LUNs will actually be partially RAID0/1 and partially RAID5. (which is why it cannot easily tell you)
It will automatically balance the array between RAID levels in a continuous performance tuning exercise so you always get the best performance it can deliver with your workload.
Good luck!
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тАО06-05-2002 06:15 PM
тАО06-05-2002 06:15 PM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
Just to clarify one thing (can you tell yet that I am not a sys admin - just a dba trying to manage the servers best I can?)... when specify the device c?t?d? - where do the numbers come from? Are they assigned for me somewhere, or am I just supposed to pull them out of a hat?
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тАО06-07-2002 05:45 AM
тАО06-07-2002 05:45 AM
Re: VA7100 Firmware Upgrade - Do You Lose Data??
The comamnd can take the device name, alias, serial number, or unique id of the array. You get these by using armdsp -i.
And by the way, it only took a few seconds and the new free space was there waiting to be allocated!