qcow2镜像文件瘦身 配置/ x/ ~0 Z) z0 [( y z% e
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使用dd命令将客户机未使用的磁盘空间用0填满
9 I! h- x9 H& {$dd if=/dev/zero of=~/junk
7 u# g7 F5 K( r! I) Pdd: writing to `/home/***/junk’: No space left on device , n% y. G0 O1 J5 G
而后 3 G6 w+ X1 F% X2 A
$rm junk " o& U( u$ O7 D0 h
关闭客户机
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W( d+ }# Z% X8 zqemu-img check debian.qcow2
: H/ A. A/ b; s" `& R6 c8 Z bNo errors were found on the image.
! d7 b# [5 e6 d/ j74133/81920 = 90.49% allocated, 0.00% fragmented, 0.00% compressed clusters
+ C2 s5 t7 X! p% U9 w& q' L0 EImage end offset: 4859428864 4 ?3 p! ?% f) u1 o2 k
[root@controller src]# qemu-img convert -c -O qcow2 debian.qcow2 debian.qcow2.qcow2" R! A S# w) I* H" K
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发表于 2022-6-28 15:02:49