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how to reformat 520 byte/sector to 512 byte/sector

choodavid
choodavid asked
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Last Modified: 2013-11-14
I have a bunch of  Hitachi 147GB Fibre Channel FC-AL drives that came out of a Network Appliance DS14.  These drives had NetApp firmware formatted to 520 bytes/sector (instead of the common 512).   Windows XP's device manager recognizes the drives but Disk Management is unable to find them.  these drives are connected together in a JMR Fortra 4-bay JBOD connected by copper fiber to a QLA2200 and running in a Windows XP box.

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Commented:
Thanks for the great suggestion.  I have done that but without success.  Downloaded the HiTest utility for HitachiPartners but it was not able to reset the factory-set firmware label (netapp) nor the 520 byte size sector.

Please refer to my post at qlogic ... for further details of troubleshooting

http://solutions.qlogic.com/KanisaSupportSite/dynamickc.do?externalId=Post-9590009&sliceId=Post-6618010&command=show&forward=threadedKC&kcId=Post-9590009

thanks!
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here the sdormat tool for formatting scsi drives - don't know if it helps :
http://linux.maruhn.com/sec/sformat.html
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andyalderretired saggar maker
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I don't think you can do this, you need the firmware on the disk to accept the command to reformat to new geometry and it'll probably refuse to do it.

Commented:
It can't be done. You cannot change it to 512. The last 8 bits are used by Hitachi. Same thing goes for EMC storage arrays such as CLARiiONs.

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Problems solved.  Thanks you all.
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and what was the solution ?

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Using Hitachi/IBM's HDD utility to reformat the FC drives to 512byte and thereafter Windows Disk Manager could recognize the drive as "basic" or "dynamic" for its NTFS formatting.  The tools I used were Niagara and HiTest.  Both were downloaded from Hitachi's website.  You'll need to register though.

here's the link to a thread at qlogic for the details:
http://solutions.qlogic.com/KanisaSupportSite/dynamickc.do?externalId=Post-9590009&sliceId=Post-10992001&command=show&forward=threadedKC&kcId=Post-9590009

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