qcow2镜像文件瘦身 配置
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2 Q. e, H7 {* d" O" F) l9 Z8 ^使用dd命令将客户机未使用的磁盘空间用0填满 % l9 D4 H. U0 }3 |; l& E
$dd if=/dev/zero of=~/junk
" D% f* V5 o& i2 n% ?: Kdd: writing to `/home/***/junk’: No space left on device
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关闭客户机
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# K6 A- d+ l% Q% {( [qemu-img check debian.qcow2
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74133/81920 = 90.49% allocated, 0.00% fragmented, 0.00% compressed clusters
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[root@controller src]# qemu-img convert -c -O qcow2 debian.qcow2 debian.qcow2.qcow2
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发表于 2022-6-28 15:02:49