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[SOLVED] Weird free space reported


alphazo

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Following my issue when expanding my array that in fact had a faulty drive  http://lime-technology.com/forum/index.php?topic=36444.0

 

I swapped my super.dat back to the orignal state and put back the original (working) drive I initially wanted to expand. I then replaced the faulty drive by a precleared drive.

 

Data-rebuilding has just finished and it looks like my files are on the new disk however the reported free space is strange:

 

# df -h |grep md12
/dev/md12             3.7T -923G  4.6T   -  /mnt/disk12

 

Web GUI reports 4.99TB available on a a 4TB drive that should be almost full !

 

unraid-size.jpg

 

Any idea on what would be causing such message?

 

Few more data:

 

fdisk -lu /dev/sdh

WARNING: GPT (GUID Partition Table) detected on '/dev/sdh'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sdh: 4000.8 GB, 4000787030016 bytes
256 heads, 63 sectors/track, 484501 cylinders, total 7814037168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x00000000

   Device Boot      Start         End      Blocks   Id  System
/dev/sdh1               1  4294967295  2147483647+  ee  GPT
Partition 1 does not start on physical sector boundary.

 

root@babylon:~# gdisk /dev/sdh
GPT fdisk (gdisk) version 0.8.4

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.

Command (? for help): p
Disk /dev/sdh: 7814037168 sectors, 3.6 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 40428B67-8DC3-437D-80B2-2E56F66C2778
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 7814037134
Partitions will be aligned on 64-sector boundaries
Total free space is 30 sectors (15.0 KiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1              64      7814037134   3.6 TiB     8300  

 

mdcmd status | grep -i size
diskSize.0=3907018532
rdevSize.0=3907018532
diskSize.1=1465138552
rdevSize.1=1465138552
diskSize.2=1465138552
rdevSize.2=1465138552
diskSize.3=1465138552
rdevSize.3=1465138552
diskSize.4=1465138552
rdevSize.4=1465138552
diskSize.5=1953514552
rdevSize.5=1953514552
diskSize.6=1953514552
rdevSize.6=1953514552
diskSize.7=1953514552
rdevSize.7=1953514552
diskSize.8=1465138552
rdevSize.8=1465138552
diskSize.9=1953514552
rdevSize.9=1953514552
diskSize.10=1465138552
rdevSize.10=1465138552
diskSize.11=1953514552
rdevSize.11=1953514552
diskSize.12=3907018532
rdevSize.12=3907018532
diskSize.13=0
rdevSize.13=0
diskSize.14=0
rdevSize.14=0
diskSize.15=0
rdevSize.15=0
diskSize.16=0
rdevSize.16=0
diskSize.17=0
rdevSize.17=0
diskSize.18=0
rdevSize.18=0
diskSize.19=0
rdevSize.19=0
diskSize.20=0
rdevSize.20=0
diskSize.21=0
rdevSize.21=0
diskSize.22=0
rdevSize.22=0
diskSize.23=0
rdevSize.23=0

 

Found a similar post here http://lime-technology.com/forum/index.php?topic=30923.0

 

I got to minor error when running reiserfsck in maintenance mode:

root@babylon:~# reiserfsck --check /dev/md12
reiserfsck 3.6.24

Will read-only check consistency of the filesystem on /dev/md12
Will put log info to 'stdout'

Do you want to run this program?[N/Yes] (note need to type Yes if you do):Yes
###########
reiserfsck --check started at Wed Nov 26 18:08:19 2014
###########
Replaying journal: Done.
Reiserfs journal '/dev/md12' in blocks [18..8211]: 0 transactions replayed
Checking internal tree.. finished
Comparing bitmaps..vpf-10640: The on-disk and the correct bitmaps differs.
Checking Semantic tree:
finished
2 found corruptions can be fixed when running with --fix-fixable
###########
reiserfsck finished at Wed Nov 26 22:14:37 2014
###########

 

I then ran reiserfsck again with the fix option

 

root@babylon:~# reiserfsck --fix-fixable /dev/md12
reiserfsck 3.6.24

Will check consistency of the filesystem on /dev/md12
and will fix what can be fixed without --rebuild-tree
Will put log info to 'stdout'

Do you want to run this program?[N/Yes] (note need to type Yes if you do):Yes
###########
reiserfsck --fix-fixable started at Wed Nov 26 22:40:10 2014
###########
Replaying journal: Done.
Reiserfs journal '/dev/md12' in blocks [18..8211]: 0 transactions replayed
Checking internal tree.. finished
Comparing bitmaps..vpf-10630: The on-disk and the correct bitmaps differs. Will be fixed later.
Checking Semantic tree:
finished
No corruptions found
There are on the filesystem:
        Leaves 1042052
        Internal nodes 6534
        Directories 79986
        Other files 564399
        Data block pointers 946146929 (216 of them are zero)
        Safe links 0
###########
reiserfsck finished at Thu Nov 27 02:26:18 2014
###########

 

Restarted the array in normal mode and correct size was reported:

 

# df -h |grep md12
/dev/md12             3.7T  3.6T  113G  97% /mnt/disk12

 

unraid-size-correct.jpg

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