Date: Mon, 23 Nov 2009 10:46:40 +0000 From: Matthew Seaman <m.seaman@infracaninophile.co.uk> To: n dhert <ndhert@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: nr or inodes in use/max Message-ID: <4B0A6810.6020600@infracaninophile.co.uk> In-Reply-To: <8021a2660911230212h255ae19dmf06e3cd8f49f345c@mail.gmail.com> References: <8021a2660911230212h255ae19dmf06e3cd8f49f345c@mail.gmail.com>
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n dhert wrote:
> How can I see, in a running FreeBSD7.2 for each filsystem how many inod=
es
> are in use and what is the maximum?
df -i
> How can one raise the max number if inodes?
You'ld have to backup your data and then blow away the filesystem on that=
partition and recreate it using different parameters to newfs(8).=20
However, it would be exceedingly unlikely for that to be necessary: you'l=
d
have to have a very large number of exceedingly small files to run out of=
inodes before filling up your disk.
=46rom newfs(8):
-i bytes
Specify the density of inodes in the file system. The defau=
lt is
to create an inode for every (4 * frag-size) bytes of data s=
pace.
If fewer inodes are desired, a larger number should be used;=
to
create more inodes a smaller number should be given. One in=
ode
is required for each distinct file, so this value effectivel=
y
specifies the average file size on the file system.
Given that the default frag-size is 2048 bytes, this implies that the sys=
tem
will not run out of inodes before filling the partition unless the averag=
e file
size is less than 8KiB. That would be pretty unusual.
Cheers,
Matthew =20
--=20
Dr Matthew J Seaman MA, D.Phil. Flat 3
7 Priory Courtyard
PGP: http://www.infracaninophile.co.uk/pgpkey Ramsgate
Kent, CT11 9PW, UK
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