Re: newfs limits? 10TB filesystem max?

From: Bernd Walter <ticso_at_cicely12.cicely.de> Date: Fri, 18 Feb 2005 22:32:56 +0100 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:38:28 UTC

On Fri, Feb 18, 2005 at 11:27:05AM -0800, Julian Elischer wrote:
> 
> 
> Eric Anderson wrote:
> 
> >Matthew Jacob wrote:
> >
> >>BTW- be careful with very large filesystems on FreeBSD- at some point
> >>fsck can't check them.
> >>
> >>I built a sparse 5000TB filesystem which newfs'd and mounted okay, but
> >>was not possible to check with fsck. 
> >
> 
> 
> I would be surprised fi you can check a 5TB filesystem
> 
> From my tests on a full 1TB filesystem, it takes about 700MB of RAM in 
> the fsck process PER TB.

Where is the problem?

[135]cicely12> bc -l
bc 1.06
Copyright 1991-1994, 1997, 1998, 2000 Free Software Foundation, Inc.
This is free software with ABSOLUTELY NO WARRANTY.
For details type `warranty'. 
700*5
3500
[136]cicely12> limits -a
Resource limits (current):
  cputime          infinity secs
  filesize         infinity kb
  datasize          4608000 kb
  stacksize          131072 kb
  coredumpsize     infinity kb
  memoryuse        infinity kb
  memorylocked     infinity kb
  maxprocesses         5547
  openfiles           11095
  sbsize           infinity bytes
  vmemoryuse       infinity kb

OK - this is an alpha system...

-- 
B.Walter                   BWCT                http://www.bwct.de
bernd_at_bwct.de                                  info_at_bwct.de