Date: Sat, 21 Aug 1999 15:12:20 -0700 (PDT) From: Ludwig Pummer <ludwigp@bigfoot.com> To: Mark Ovens <mark@ukug.uk.freebsd.org> Cc: Alejandro Ramirez <ales@megared.net.mx>, Albert Everett <aeverett@webintl.com>, questions@freebsd.org Subject: Re: maximum file size Message-ID: <Pine.BSF.4.10.9908211506350.53629-100000@furball.chip-web.com> In-Reply-To: <19990821182544.A451@marder-1>
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On Sat, 21 Aug 1999, Mark Ovens wrote:
> On Sat, Aug 21, 1999 at 11:52:48AM -0500, Alejandro Ramirez wrote:
> > Hi,
> >
> > How can I know the size of the blocks I'm using in my system??? (FreeBSD
> > 3.2 Release)
> >
>
> The default block-size is 8kB, so if you let sysinstall newfs your
> disks then that's what it'll be.
>
> dumpfs(8) is the only way that I know (but there are probably
> several other ways) of finding the block-size of an existing fs.
> The disk must be umounted for dumpfs to work which makes checking
> the root fs a bit difficult :-)
How many people are going to stick multi-gigabyte files on the root fs?
But this is how you can check:
> disklabel wd0
# /dev/rwd0c:
type: ESDI
...
drivedata: 0
8 partitions:
# size offset fstype [fsize bsize bps/cpg]
a: 81920 0 4.2BSD 1024 8192 16 # (Cyl. 0 - 5*)
b: 666016 81920 swap # (Cyl. 5*-
49*)
c: 12050640 0 unused 0 0 # (Cyl. 0 -
796)
e: 40960 747936 4.2BSD 1024 8192 16 # (Cyl. 49*-
52*)
f: 11261744 788896 4.2BSD 1024 8192 16 # (Cyl. 52*-
796*)
^^^^
--Ludwig Pummer <ludwigp@bigfoot.com>
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