Date: Wed, 15 Sep 2010 13:28:39 +0300 From: Zeus V Panchenko <zeus@ibs.dn.ua> To: freebsd-geom@freebsd.org, olli@lurza.secnetix.de Subject: Re: storage configuration for Advanced Format Message-ID: <20100915102839.GA40968@relay.ibs.dn.ua> In-Reply-To: <201009150956.o8F9uiLh088066@lurza.secnetix.de> References: <20100914180729.GC92933@relay.ibs.dn.ua> <201009150956.o8F9uiLh088066@lurza.secnetix.de>
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Oliver Fromme (olli@lurza.secnetix.de) [10.09.15 12:57] wrote: > It lets the partition start at 1 MB offset, which is of > course aligned to 4k. 1 MB is also standard in Windows, > I think, although I'm not sure why. I usually let the > first partition start at 64K, because the fdisk(1) default > is a "geometry" with 63 sectors per track, so I let the > first partition start at sector 65 in the first slice > (63 + 65 = 128 sectors = 64Kb). > > By using a fragment size of 4KB with the newfs command, > you make sure that there will be no misaligned accesses. > thanks mUch Oliver, i was lacking that explanation another question is what is the minimum value for `gpart add -b' for the bootable and not bootable disks? -- Zeus V. Panchenko IT Dpt., IBS ltd GMT+2 (EET)
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