리눅스 qcow2 파일 검사

1 개요

check qcow2 file, verify qcow2 file
check img file, verify img file
qcow2 파일 검사
img 파일 검사

root@zetawiki:~# file Fedora-Cloud-Base-20141203-21.i386.qcow2
Fedora-Cloud-Base-20141203-21.i386.qcow2: QEMU QCOW Image (v2), 3221225472 bytes

root@zetawiki:~# vbox-img info --filename Fedora-Cloud-Base-20141203-21.i386.qcow2 
--- Dumping VD Disk, Images=1
Dumping VD image "Fedora-Cloud-Base-20141203-21.i386.qcow2" (Backend=QCOW)
Header: Geometry PCHS=0/0/0 LCHS=0/0/0 cSector=6291456

root@zetawiki:~# qemu-img info Fedora-Cloud-Base-20141203-21.i386.qcow2 
image: Fedora-Cloud-Base-20141203-21.i386.qcow2
file format: qcow2
virtual size: 3.0G (3221225472 bytes)
disk size: 162M
cluster_size: 65536
Format specific information:
    compat: 0.10

root@zetawiki:~# qemu-img check -f qcow2 Fedora-Cloud-Base-20141203-21.i386.qcow2 
No errors were found on the image.
7167/49152 = 14.58% allocated, 97.60% fragmented, 96.76% compressed clusters
Image end offset: 169410560

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