filesystem size does not equal free space

2012-11-21 Thread Rick Miller
Hi All,

I install FreeBSD 8.3-R on a DL360 G8 with two disk volumes, the 2nd
of which is 3TB.  The fdisk partition editor shows the disk geometry
as 812160 cyl/255 heads/32 sectors = 6627225600 sectors (3235950MB).
sysinstall creates a slice on the 3TB volume that uses the entire
disk.  However, when the filesystem is labelled and mounted, it is
slightly over 1TB in size.  Am I correct in assuming that it's only
1TB because the disk geometry is greater than what is supported by
sysinstall and/or bsdlabel?

-- 
Take care
Rick Miller
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Re: filesystem size does not equal free space

2012-11-21 Thread Warren Block

On Wed, 21 Nov 2012, Rick Miller wrote:


I install FreeBSD 8.3-R on a DL360 G8 with two disk volumes, the 2nd
of which is 3TB.  The fdisk partition editor shows the disk geometry
as 812160 cyl/255 heads/32 sectors = 6627225600 sectors (3235950MB).
sysinstall creates a slice on the 3TB volume that uses the entire
disk.  However, when the filesystem is labelled and mounted, it is
slightly over 1TB in size.  Am I correct in assuming that it's only
1TB because the disk geometry is greater than what is supported by
sysinstall and/or bsdlabel?


It's an MBR limitation, I think.  Use GPT, which will also make 
alignment to 4K blocks easier.

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Re: filesystem size after newfs

2009-08-11 Thread chris scott
2009/8/11 mojo fms fbsdli...@gmail.com

 On Mon, Aug 10, 2009 at 3:55 PM, Naeem Afzal naf...@hotmail.com wrote:

 
 I created this small partition of 512K bytes on disk, I am noticing
  about 24% is used up before system can be mounted and used. My assumption
  was about 4% is supposed to be used if minfree is set to 0.
 
 #newfs -U -l -m 0 -n -o space /dev/ad1d
 /dev/ad1d: 0.5MB (1024 sectors) block size 16384, fragment size 2048
  using 1 cylinder groups of 0.50MB, 32 blks, 64 inodes with soft updates
 super-block backups (for fsck -b #) at:
 160
 #mount /dev/ad1d /test
 #df -H /test
 FilesystemSizeUsed  Avail Capacity  Mounted on
 /dev/ad1d  391k2.0k389k1%/test
 Could someone explain where the 512-391=121K of disk space went to?
 What
  is the relation between this used of space and total paritition size or
 is
  it some fixed ratio?
 Thanks  Regards
  Naeem
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 5% to root, and the rest i am assuming file system blocks.  Try making the
 512k partition bigger accounting for those things and you should be able to
 get it really close to 512k available.

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 Who knew
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why do you want something that small? Could you not use an md device or
tmpfs, they would probably be more efficient
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filesystem size after newfs

2009-08-10 Thread Naeem Afzal

I created this small partition of 512K bytes on disk, I am noticing about 
24% is used up before system can be mounted and used. My assumption was about 
4% is supposed to be used if minfree is set to 0.

#newfs -U -l -m 0 -n -o space /dev/ad1d
/dev/ad1d: 0.5MB (1024 sectors) block size 16384, fragment size 2048 using 
1 cylinder groups of 0.50MB, 32 blks, 64 inodes with soft updates
super-block backups (for fsck -b #) at:
160
#mount /dev/ad1d /test
#df -H /test
FilesystemSizeUsed  Avail Capacity  Mounted on
/dev/ad1d  391k2.0k389k1%/test
Could someone explain where the 512-391=121K of disk space went to? What is 
the relation between this used of space and total paritition size or is it some 
fixed ratio?
Thanks  Regards
Naeem
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Re: filesystem size after newfs

2009-08-10 Thread mojo fms
On Mon, Aug 10, 2009 at 3:55 PM, Naeem Afzal naf...@hotmail.com wrote:


I created this small partition of 512K bytes on disk, I am noticing
 about 24% is used up before system can be mounted and used. My assumption
 was about 4% is supposed to be used if minfree is set to 0.

#newfs -U -l -m 0 -n -o space /dev/ad1d
/dev/ad1d: 0.5MB (1024 sectors) block size 16384, fragment size 2048
 using 1 cylinder groups of 0.50MB, 32 blks, 64 inodes with soft updates
super-block backups (for fsck -b #) at:
160
#mount /dev/ad1d /test
#df -H /test
FilesystemSizeUsed  Avail Capacity  Mounted on
/dev/ad1d  391k2.0k389k1%/test
Could someone explain where the 512-391=121K of disk space went to? What
 is the relation between this used of space and total paritition size or is
 it some fixed ratio?
Thanks  Regards
 Naeem
 _
 Express your personality in color! Preview and select themes for HotmailĀ®.

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5% to root, and the rest i am assuming file system blocks.  Try making the
512k partition bigger accounting for those things and you should be able to
get it really close to 512k available.

-- 
Who knew
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Re: filesystem size

2007-01-10 Thread Pieter de Goeje
On Wednesday 10 January 2007 00:03, Simon Gao wrote:
 I looked at the link. It seems that it's not desirable to make a
 filesystem larger than 2TB with 5.2.1. How about 6.1/6.2? Are those
 remaining issues resolved with 6.1/6.2?

 Simon
I have no idea if this is up-to-date but see this:
http://www.freebsd.org/projects/bigdisk/index.html

Regards,
Pieter
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filesystem size

2007-01-09 Thread Simon Gao

Hi,

What's largest filesystem size supported by FreeBSD 5.2.1 i386?

Simon
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Re: filesystem size

2007-01-09 Thread Andy Greenwood

On 1/9/07, Simon Gao [EMAIL PROTECTED] wrote:

Hi,

What's largest filesystem size supported by FreeBSD 5.2.1 i386?


You might want to read this:
http://www.freebsd.org/projects/bigdisk/index.html



Simon
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Re: filesystem size

2007-01-09 Thread Kris Kennaway
On Tue, Jan 09, 2007 at 02:01:47PM -0500, Andy Greenwood wrote:
 On 1/9/07, Simon Gao [EMAIL PROTECTED] wrote:
 Hi,
 
 What's largest filesystem size supported by FreeBSD 5.2.1 i386?
 
 You might want to read this:
 http://www.freebsd.org/projects/bigdisk/index.html

And update to a modern release of FreeBSD, if large filesystem support
is important to you.

Kris


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Re: filesystem size

2007-01-09 Thread Simon Gao
I looked at the link. It seems that it's not desirable to make a 
filesystem larger than 2TB with 5.2.1. How about 6.1/6.2? Are those 
remaining issues resolved with 6.1/6.2?


Simon

Kris Kennaway wrote:

On Tue, Jan 09, 2007 at 02:01:47PM -0500, Andy Greenwood wrote:
  

On 1/9/07, Simon Gao [EMAIL PROTECTED] wrote:


Hi,

What's largest filesystem size supported by FreeBSD 5.2.1 i386?
  

You might want to read this:
http://www.freebsd.org/projects/bigdisk/index.html



And update to a modern release of FreeBSD, if large filesystem support
is important to you.

Kris
  


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Filesystem size

2006-09-25 Thread Weijer
Can anyone tell me if Freebsd 5.4 amd64 support file system more than 4TB ?
I have a system disk and a raid 5 connected to a 3ware controller, installed 
system, but only see 96 GB on the 4 TB raid 5. Anyone can help me?

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Re: Filesystem size

2006-09-25 Thread backyard


--- Weijer [EMAIL PROTECTED] wrote:

 Can anyone tell me if Freebsd 5.4 amd64 support file
 system more than 4TB ?
 I have a system disk and a raid 5 connected to a
 3ware controller, installed system, but only see 96
 GB on the 4 TB raid 5. Anyone can help me?
 
 My mailbox is spam-free with ChoiceMail, the leader
 in personal and corporate anti-spam solutions.
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http://www.freebsd.org/projects/bigdisk/index.html

would answer your questions I believe

-brian

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Question reg. FreeBSD filesystem size

2005-02-10 Thread Sam Farmer
What is the maximum supported size for a single filesystem under Release
4.11 and under 5.3? Thanks!
 
Sam Farmer 
Systems Engineer 
Cambridge Computer Services, Inc. 
Artists in Data Storage 
Tel: 781-250-3212 
Fax: 781-250-3312 
www.cambridgecomputer.com 
[EMAIL PROTECTED] 
 
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Filesystem size limit

2004-04-20 Thread hal
A coworker is bumping up against the one terabyte
file system size limit of Redhat Linux.  He needs
more space.  Can FreeBSD help?  Where would I look
for info?
hal 

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Re: Filesystem size limit

2004-04-20 Thread Kevin D. Kinsey, DaleCo, S.P.
hal wrote:

A coworker is bumping up against the one terabyte
file system size limit of Redhat Linux.  He needs
more space.  Can FreeBSD help?  Where would I look
for info?
hal


This gets asked periodically, but AFAIK isn't
documented as a FAQ.  Furthermore, the best
I can suggest is that you try freebsd-fs list,
maybe.
Several sources claim that there is a one
terabyte soft limit, but that with modifications
to the default setup you can quadruple that or
even more.
And, of course, now we have ufs2 ...

Personally, I hope to never have to back up
that much information [unless maybe I'm paid
by the byte?]  ;-)
Kevin Kinsey
DaleCo, S.P.
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Re: Filesystem size limit

2004-04-20 Thread Tim McMillen
On Tue, 2004-04-20 at 20:10, Kevin D. Kinsey, DaleCo, S.P. wrote:
 hal wrote:
 
  A coworker is bumping up against the one terabyte
  file system size limit of Redhat Linux.  He needs
  more space.  Can FreeBSD help?  Where would I look
  for info?

http://lists.freebsd.org/pipermail/freebsd-current/2003-April/001444.html

describes the new filesystem in the 5.x versions.  it notes that:
It adds 64 bit block pointers (breaking the 1T barrier)
It would be more accurate to say obliterate, since 64 bit pointers goes
up to petabytes if memory serves me right.
But for now, one would have to put up with the -current nature of 5.x. 
Make sure to read the early adopters guide and www.freebsd.org/handbook
for what that means.

Tim



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Re: FAQ answer unclear: filesystem size limit

2003-11-25 Thread Lowell Gilbert
Dan Pelleg [EMAIL PROTECTED] writes:

 I am trying to determine the maximum filesystem size on -STABLE. Assuming I
 have a hardware RAID device that appears as a single 1.5TB drive, can I use
 it for UFS1 on -STABLE? The FAQ is saying:
 
 For ffs filesystems, the maximum theoretical limit is 8 terabytes (2G
 blocks), or 16TB for the default block size of 8K. In practice, there is a
 soft limit of 1 terabyte, but with modifications filesystems with 4
 terabytes are possible (and exist).
 
 Does anyone know what the modifications are, and if they are considered
 stable enough for production use?

Last I recall, that was kind of DG's thing, but most people just
increase the block size (which is an appropriate adjustment for most
really big filesystems anyway -- they tend to be for big files).
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FAQ answer unclear: filesystem size limit

2003-11-24 Thread Dan Pelleg

I am trying to determine the maximum filesystem size on -STABLE. Assuming I
have a hardware RAID device that appears as a single 1.5TB drive, can I use
it for UFS1 on -STABLE? The FAQ is saying:

For ffs filesystems, the maximum theoretical limit is 8 terabytes (2G
blocks), or 16TB for the default block size of 8K. In practice, there is a
soft limit of 1 terabyte, but with modifications filesystems with 4
terabytes are possible (and exist).

Does anyone know what the modifications are, and if they are considered
stable enough for production use?

-- 

  Dan Pelleg
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Re: filesystem size

2003-03-01 Thread Francesco Casadei
On Fri, Feb 28, 2003 at 10:06:31PM -0800, Jesse Geddis wrote:
 What is the maximum filesystem/partition size on FreeBSD 4.7? Also, does
 this same limit apply to NFS mounts.
 
 Jesse Geddis
 http://www.sgeine.net/
 
 
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 end of the original message

This is a FAQ:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/install.html#FFS-LIMITS

Francesco Casadei
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Re: filesystem size

2003-03-01 Thread Francesco Casadei
On Sat, Mar 01, 2003 at 02:07:05AM -0800, Jesse Geddis wrote:
 Thank you, It didn't mention what if any (and i don't believe there is one)
 size limitation there is on an nvs mounted volume. Do you know of one?
 Specifically, we have a 9tb NetApp we want to make sure we aren't going to
 have to make a bunch of little filesystems on.
 
[snip]
 
 end of the original message

I'm not an NFS expert, but according to RFC1813 NFSv3 supports 64 bits file
sizes and offsets. This says nothing about filesystem size though.
I'm sorry I don't know the right answer to your question, but I suggest you to
look at http://www.rfc.net/ and search for NFS. Searching on
http://groups.google.com/ may also be useful (I've found a lot of threads about
this topic).

Francesco Casadei

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filesystem size

2003-02-28 Thread Jesse Geddis
What is the maximum filesystem/partition size on FreeBSD 4.7? Also, does
this same limit apply to NFS mounts.

Jesse Geddis
http://www.sgeine.net/


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