Question confusion Regarding Available + Use and Total Space

osamamansoor

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Sep 8, 2016
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Hi Experts,

I have a question I known it can be a basic question but I want your valuable comments on this

I have Oracle Linux 6.5 Unbreakable Machine and when I use df -hT command there is a conflict of space available + use = total space.

can someone give me?

27 GB (Available) + 632 (Available) = 693 Size (Total)

as there is 34 GB is not showing and invisible

]0;osama.mansoor@erp:~[?1034h[osama.mansoor@erp ~]$ df -hT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/VG1-LG1 ext4 59G 4.4G 52G 8% /
tmpfs tmpfs 12G 5.4M 12G 1% /dev/shm
/dev/sda1 ext4 2.0G 62M 1.8G 4% /boot
/dev/mapper/VG2-LV2 ext4 693G 632G 26G 97% /d01
/dev/sdc ext4 148G 104G 37G 75% /backup
//10.11.0.56/ERPbackup cifs 600G 317G 284G 53% /mnt/ERPfullbackup

osama.mansoor]# fdisk -l

Disk /dev/sdc: 161.1 GB, 161061273600 bytes
255 heads, 63 sectors/track, 19581 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/sda: 85.9 GB, 85899345920 bytes
255 heads, 63 sectors/track, 10443 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000aae03

Device Boot Start End Blocks Id System
/dev/sda1 * 1 262 2097152 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 262 8094 62914560 8e Linux LVM
/dev/sda3 8094 10183 16777216 82 Linux swap / Solaris

Disk /dev/sdb: 757.0 GB, 756987985920 bytes
255 heads, 63 sectors/track, 92031 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/VG1-LG1: 64.4 GB, 64420315136 bytes
255 heads, 63 sectors/track, 7831 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000


Disk /dev/mapper/VG2-LV2: 755.9 GB, 755914244096 bytes
255 heads, 63 sectors/track, 91901 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
 

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