Date: Sat, 24 Feb 1996 17:47:25 +0100 From: petzi@zit.th-darmstadt.de (Michael Beckmann) To: freebsd-scsi@freebsd.org Subject: Block size on hard disk Message-ID: <v02140b00ad54e4dbfbcc@[130.83.177.1]>
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Hi, I have a 4 GB SCSI disk (DFHS) from IBM in my system, attached to an NCR 810 controller. It is formatted for 512 bytes per block, like mosts hard disks. I noticed that the disk can be formatted for 512, 1024 and 2048 bytes per block. I was thinking whether it would be wise to reformat it for 1024 B/block. I know of some Seagate disks which gain a few 100 MB through this. But I also heard that some operating systems have trouble with larger block sizes. I assume that FreeBSD is not vulnerable to this ? Will it have an effect on performance ? Any experiences with this ? Thanks, Michael
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