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тАО04-29-2004 03:32 AM
тАО04-29-2004 03:32 AM
How to erase/wipe a VA7400 (all disks)?
What is the best method? Delete all the LUN's and shuffle the drives? Or is there a re-initialization command feature?
Thanks,
Lyndon
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тАО04-29-2004 08:16 PM
тАО04-29-2004 08:16 PM
Re: How to erase/wipe a VA7400 (all disks)?
run
armfmt -f
Regards,
Bernhard
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тАО04-29-2004 08:52 PM
тАО04-29-2004 08:52 PM
Re: How to erase/wipe a VA7400 (all disks)?
This will reformat the whole array.
Finde the command description on page 144 in this manual http://h20000.www2.hp.com/bizsupport/CoreRedirect.jsp?targetPage=http%3A%2F%2Fh200001.www2.hp.com%2Fbc%2Fdocs%2Fsupport%2FSupportManual%2Fc00065956%2Fc00065956.pdf
Cheers
Peter
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тАО04-29-2004 10:08 PM
тАО04-29-2004 10:08 PM
Re: How to erase/wipe a VA7400 (all disks)?
connect to the va7400 using the serial cable and hyperterm and use the vfpfmt to format the array.
Regards
naveej
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тАО04-30-2004 12:08 AM
тАО04-30-2004 12:08 AM
Re: How to erase/wipe a VA7400 (all disks)?
What is the difference between the two options provided?
I will try one of the recommended commands.
Lyndon
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тАО04-30-2004 12:19 AM
тАО04-30-2004 12:19 AM
Re: How to erase/wipe a VA7400 (all disks)?
armfmt requires a host which sees the VA and which is running CommandView SDM.
If you have the VA not attached to a SAN or a host, you need to connect to it through the serial port.
The fmt (format) command is the same whether issued through "Virtual Front Panel" or "ARray Manager".
Regards
Bernhard
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тАО05-02-2004 03:03 PM
тАО05-02-2004 03:03 PM
Re: How to erase/wipe a VA7400 (all disks)?
The data is basically scrambled on the disks anyway. I know of no one who as successfully been able to recover data from an array who├в s LUNs have been deleted. But, it├в s possible. The array stores data in 256K chucks. At that level the data is usable, if you can find where the next 256K chunk is! But, you must take the disk out of the array to read it. It├в s formatted to 520 byte sectors, so it├в s a trick to use it on most systems!
Within the array, you cannot read from a 256K chunk that you have not written to. So, you can├в t just create a LUN and start reading ├в you├в ll just get the format pattern. But, you can write a single sector 512 bytes, and then read the whole 256K chunk!
So, if you├в re really paranoid, create a single LUN of the whole available capacity, and then write