Very Computer

by **Ken** » Fri, 01 Nov 2002 05:09:13

On a Solaris 7 box, someone was saying something about df giving wrong
info. I always do 'df -k' to get info. She has always used 'df -kv'
out of instinct, but has no clue what the -v is. Anyone know? It's
not in the man page, but df -kv gives double the amount, as if the -v
showed a blocksize of 512 bytes or something.

Thanks.

-Ken

by **Dragan Cvetkovi** » Fri, 01 Nov 2002 05:23:55

> On a Solaris 7 box, someone was saying something about df giving wrong
> info. I always do 'df -k' to get info. She has always used 'df -kv'
> out of instinct, but has no clue what the -v is. Anyone know? It's
> not in the man page, but df -kv gives double the amount, as if the -v
> showed a blocksize of 512 bytes or something.

Well, GNU df info page says:

`-v'
Ignored; for compatibility with System V versions of `df'.

whereas AIX 4.2 man page for df says:

-v Displays all information for the specified file system.

HTH, Dragan

--
Dragan Cvetkovic,

To be or not to be is true. G. Boole No it isn't. L. E. J. Brouwer

by **Michael Tos** » Fri, 01 Nov 2002 05:40:11

> On a Solaris 7 box, someone was saying something about df giving wrong
> info. I always do 'df -k' to get info. She has always used 'df -kv'
> out of instinct, but has no clue what the -v is. Anyone know? It's
> not in the man page, but df -kv gives double the amount, as if the -v
> showed a blocksize of 512 bytes or something.

> Thanks.

This is one of these jokes that can only happen in Solaris.

-v is not documented but somehow (and of course wrongly) implemented.

In fact it swaps columns without adjusting the title line.
On local file systems, it reports kilobytes like -k, but on nfs file
systems it reports 512 byte blocks.

--
Michael Tosch / Master IS/IT Support
Ericsson Eurolab Deutschland GmbH
Tel: +49 2407 575 313

by **Rich Tee** » Fri, 01 Nov 2002 05:57:13

> On a Solaris 7 box, someone was saying something about df giving wrong
> info. I always do 'df -k' to get info. She has always used 'df -kv'
> out of instinct, but has no clue what the -v is. Anyone know? It's
> not in the man page, but df -kv gives double the amount, as if the -v
> showed a blocksize of 512 bytes or something.

Here's what the Solaris 9 man page says about the -v flag:

-v Like -k, except that sizes are displayed in multiples
of the smallest block size supported by each specified
file system.

The output consists of one line of information for
each file system. This one line of information
includes the following:

o the file system's mount point

o the file system's name

o the total number of blocks allocated to the
file system

o the number of blocks allocated to existing
files

o the number of blocks available for the
creation of new files by unprivileged users

o the percentage of blocks in use by files

Personally, I use df -k (or df -h).

HTH,

--
Rich Teer

President,
Rite Online Inc.

Voice: +1 (250) 979-1638
URL: http://www.rite-online.net

by **Ken** » Fri, 01 Nov 2002 06:19:28

>> On a Solaris 7 box, someone was saying something about df giving wrong
>> info. I always do 'df -k' to get info. She has always used 'df -kv'
>> out of instinct, but has no clue what the -v is. Anyone know? It's
>> not in the man page, but df -kv gives double the amount, as if the -v
>> showed a blocksize of 512 bytes or something.

> This is one of these jokes that can only happen in Solaris.
> -v is not documented but somehow (and of course wrongly) implemented.

Hah. :)

Quote:> In fact it swaps columns without adjusting the title line.
> On local file systems, it reports kilobytes like -k, but on nfs file
> systems it reports 512 byte blocks.

Yup, all of what you said, too. It is on an NFS mount.

Thanks for all the replies.

-Ken

by **Tony Walto** » Fri, 01 Nov 2002 19:03:30

> > On a Solaris 7 box, someone was saying something about df giving wrong
> > info. I always do 'df -k' to get info. She has always used 'df -kv'
> > out of instinct, but has no clue what the -v is. Anyone know? It's
> > not in the man page, but df -kv gives double the amount, as if the -v
> > showed a blocksize of 512 bytes or something.

> > Thanks.

> This is one of these jokes that can only happen in Solaris.

> -v is not documented

Yes 'tis (from Solaris 9, anyway :-) )

/usr/bin/df
The following option is supported for /usr/bin/df only:

-v Like -k, except that sizes are displayed in multiples
of the smallest block size supported by each specified
file system.

The output consists of one line of information for
each file system. This one line of information
includes the following:

o the file system's mount point

o the file system's name

o the total number of blocks allocated to the
file system

o the number of blocks allocated to existing
files

o the number of blocks available for the
creation of new files by unprivileged users

o the percentage of blocks in use by files

Quote:> but somehow (and of course wrongly) implemented.

Err... how?

Quote:
> In fact it swaps columns without adjusting the title line.

Not quite.

Regards

--
Tony

by **Richard L. Hamilt** » Fri, 01 Nov 2002 21:58:32

[...]

>> In fact it swaps columns without adjusting the title line.

> Not quite.

$ uname -a
SunOS mindwarp 5.8 Generic_108528-16 sun4u sparc SUNW,Sun-Blade-100
$ df -v /
Mount Dir Filesystem blocks used free %used
/ /dev/md/dsk/d0 10326052 6076613 4146179 60%
$ df -k /
Filesystem kbytes used avail capacity Mounted on
/dev/md/dsk/d0 10326052 6076613 4146179 60% /
$ df -kv /
Filesystem kbytes used avail capacity Mounted on
/ /dev/md/dsk/d0 10326052 6076613 4146179 60%

Just don't use -k and -v together - they don't make sense together
anyway.

--

by **Tony Walto** » Fri, 01 Nov 2002 22:12:33

> [...]

> >> In fact it swaps columns without adjusting the title line.

> > Not quite.

> $ uname -a
> SunOS mindwarp 5.8 Generic_108528-16 sun4u sparc SUNW,Sun-Blade-100
> $ df -v /
> Mount Dir Filesystem blocks used free %used
> / /dev/md/dsk/d0 10326052 6076613 4146179 60%
> $ df -k /
> Filesystem kbytes used avail capacity Mounted on
> /dev/md/dsk/d0 10326052 6076613 4146179 60% /
> $ df -kv /
> Filesystem kbytes used avail capacity Mounted on
> / /dev/md/dsk/d0 10326052 6076613 4146179 60%

> Just don't use -k and -v together - they don't make sense together
> anyway.

Ah, sorry - I read the posting as saying that -v *on its own* "swapped
columns without adjusting the title line".

No, -kv doesn't make too much sense - I wonder if df should refuse to
accept both flags on the command line...

--
Tony

Very Computer

df -v?

df -v?

df -v?

df -v?

df -v?

df -v?

df -v?

df -v?

df -v?