Date: Thu, 19 Nov 2009 14:46:10 +0100 From: Patrick Proniewski <patpro@patpro.net> To: freebsd-hardware@freebsd.org Subject: what is the good geometry for disk WD10EADS Message-ID: <8DEEC192-6A98-4487-A6D2-5367649F4C2D@patpro.net>
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--Apple-Mail-1--989187115 Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Hello, I've just added a WD10EADS disk in my FreeBSD box (<http://www.wdc.com/en/products/Products.asp?DriveID=559 >) My mother board is few years old and supports only SATA I, so the drive is recognized as SATA150 (which is fine): ad6: 953869MB <WDC WD10EADS-00M2B0 01.00A01> at ata3-master SATA150 Unfortunately, I'm unable to find the right geometry in order to format/label the disk. Using sysintall interface to handle the new disk yields to this kind of alerts: (1st alert) WARNING: A geometry of 1938021/16/63 for ad6 is incorrect ... (2nd alert) WARNING: A geometry of 121601/255/63 for ad6 is incorrect ... (3rd alert) WARNING: A geometry of 121601/255/63 for ad6 is incorrect ... (ad lib) So, the software tries to guess the right geometry, but fails and stick with wrong numbers (121601/255/63) I have this: # diskinfo -v ad6 ad6 512 # sectorsize 1000204886016 # mediasize in bytes (932G) 1953525168 # mediasize in sectors 1938021 # Cylinders according to firmware. 16 # Heads according to firmware. 63 # Sectors according to firmware. But fdisk thinks it's not good. And mounting the formated disk fails (121601/255/63): # mount /dev/ad6s1c /backup mount: /dev/ad6s1c on /backup: incorrect super block I don't know where to look, the BIOS says nothing about the geometry (unless I've missed something). It's on LBA mode. patpro --Apple-Mail-1--989187115--
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