file system overhead
Wolfgang S. Rupprecht
wolfgang+gnus200602 at dailyplanet.dontspam.wsrcc.com
Thu Feb 2 02:50:19 UTC 2006
What is the filesystem overhead percentage supposed to be for FC4
systems? I have 2 200GB disks attached to the system and I let FC4 do
its thing and claim all of the space for itself. When I do a df(1) I
see that only 279 x 1024^3 bytes are available after overhead. That
comes out to only 71% of the original disk space. Over 128GB is being
lost. Is there really supposed to be that much overhead used?
In contrast, on a BSD system under I see only about 5% overhead when
looking at df(1). Thats more in line with what I'd expect for the
space taken by inodes.
$ fdisk -l
Disk /dev/sda: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 13 104391 83 Linux
/dev/sda2 14 24321 195254010 8e Linux LVM
Disk /dev/sdb: 200.0 GB, 200049647616 bytes
255 heads, 63 sectors/track, 24321 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 24321 195358401 8e Linux LVM
$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
279074448 243021012 21648624 92% /
/dev/sda1 101086 15086 80781 16% /boot
/dev/shm 2024208 0 2024208 0% /dev/shm
-wolfgang
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Wolfgang S. Rupprecht http://www.wsrcc.com/wolfgang/
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