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Re: Filesystem sizes

To: Steve Lord <lord@xxxxxxx>, oe.hansen@xxxxxxxxxxxxxxxxxxx
Subject: Re: Filesystem sizes
From: "Orn E. Hansen" <oe.hansen@xxxxxxxxxxxxxxxxxxx>
Date: Mon, 25 Jun 2001 21:15:23 +0200
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <200106251526.f5PFQuu15808@xxxxxxxxxxxxxxxxxxxx>
References: <200106251526.f5PFQuu15808@xxxxxxxxxxxxxxxxxxxx>
Reply-to: oe.hansen@xxxxxxxxxxxxxxxxxxx
Sender: owner-linux-xfs@xxxxxxxxxxx
mánudagur 25. júní 2001 17:26, Steve Lord skrifaði:
>
> Hmm, I tried untaring the linux kernel (I am pretty sure Linus is not
> using xfs to create these...) the end result was as expected, the files
> come out the correct size, du reports sizes as expected. df reports free
> space as expected.
>
> Can you provide an example ls -lsR of part of the tree from ext2 and xfs,
> can you also run xfs_bmap -v -v on one of the files which appears larger
> than it should be.
>
> Also, do you have quotas enabled and are you accessing the filesystem via
> NFS at any point?
>
  No, NFS is not active at this moment... I take this one step at a time.

  Ok, I did what you requested and took ls -lsR of the /usr/doc dir, in three 
different situation.  The bziped output is attached to this email.  Doing the 
requested bmap command, reveals:

[root@citadel oehansen]# xfs_bmap -v -v /usr/doc
xfs_bmap: fsgeo.agblocks=10542, fsgeo.blocksize=4096, fsgeo.agcount=8
xfs_bmap: fsx.dsx_xflags=0, fsx.fsx_extsize=0, fsx.fsx_nextents=1
xfs_bmap: i=0 map.bmv_offset=8, map.bmv_block=0, map.bmv_length=0, 
map.bmv_count=32, map.bmv_entries=1
/usr/doc:
 EXT: FILE-OFFSET      BLOCK-RANGE      AG AG-OFFSET        TOTAL
   0: [0..7]:          4032..4039        0 (4032..4039)         8

  And now, a small revelation... the 1.0.1 does *fix* this, but only after a 
minute (timeout?).  Here are two listings, taken a minute apart from each 
other.  No other operation is taking place inbetween...

[root@citadel oehansen]# df
Filesystem           1k-blocks      Used Available Use% Mounted on
[snip]
/dev/hdb13              332532     17596    314936   6% /usr/doc
[root@citadel oehansen]# df
Filesystem           1k-blocks      Used Available Use% Mounted on
[snip]
/dev/hdb13              332532     10856    321676   4% /usr/doc




Orn

Attachment: xfs.dir.bz2
Description: The file system, after untar...

Attachment: xfs-remount.dir.bz2
Description: The file system, after remount...

Attachment: ext2.dir.bz2
Description: As seen by an EXT2 file system...

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