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Date:      Wed, 16 Feb 2011 11:33:23 +0200
From:      Gareth Hopkins <gabbawp@gmail.com>
To:        freebsd-fs@freebsd.org
Subject:   Snapshot on different sized partitions show different file types
Message-ID:  <AANLkTinzPR2b8UCYu6=UMYC3Secny80ZjS0Ve5FSgy7Z@mail.gmail.com>

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Hi,

I'm creating snapshots on a couple of partitions ranging from 10GB to 31GB

running file on the snapshots show different filetypes for the snapshots on
the larger than 10GB partitions.

[root@ ~]# df -h /
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/da0s1a    9.7G    322M    8.6G     4%    /
[root@ ~]# file /.snap/daily.0
/.snap/daily.0: Unix Fast File system [v2] (little-endian) last mounted on
/, last written at Wed Feb 16 00:34:01 2011, clean flag 1, readonly flag 1,
number of blocks 5242880, number of data blocks 5077079, number of cylinder
groups 56, block size 16384, fragment size 2048, average file size 16384,
average number of files in dir 64, pending blocks to free 0, pending inodes
to free 0, system-wide uuid 0, minimum percentage of free blocks 8, TIME
optimization

[root@ ~]# df -h /usr
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/da0s1d     31G    2.7G     26G     9%    /usr
[root@ ~]# file /usr/.snap/daily.0
/usr/.snap/daily.0: DOS executable (device driver)

[root@ ~]# df -h /usr/local
Filesystem     Size    Used   Avail Capacity  Mounted on
/dev/da0s1e     15G    134M     14G     1%    /usr/local
[root@ ~]# file /usr/local/.snap/daily.0
/usr/local/.snap/daily.0: DOS executable (device driver)

Is there some sort of limit on the snapshot size being reported to the file
system ?

Cheers,

Gareth



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