core: qemu-nbd 卸载镜像后需要等待一段时间
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parent
cfb7985deb
commit
133054e9d1
26
trans.sh
26
trans.sh
@ -270,11 +270,6 @@ extract_env_from_cmdline() {
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done
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}
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qemu_nbd() {
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command qemu-nbd "$@"
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sleep 5
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}
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mod_motd() {
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# 安装后 alpine 后要恢复默认
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# 自动安装失败后,可能手动安装 alpine,因此无需判断 $distro
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@ -306,7 +301,7 @@ umount_all() {
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# 可能脚本不是首次运行,先清理之前的残留
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clear_previous() {
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qemu_nbd -d /dev/nbd0 2>/dev/null || true
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qemu-nbd -d /dev/nbd0 2>/dev/null || true
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swapoff -a
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umount_all
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@ -1536,7 +1531,7 @@ install_qcow_el() {
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}
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modprobe nbd nbds_max=1
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qemu_nbd -c /dev/nbd0 $qcow_file
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qemu-nbd -c /dev/nbd0 $qcow_file
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# TODO: 改成循环mount找出os+fstab查找剩余分区?
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os_part=$(lsblk /dev/nbd0p*[0-9] --sort SIZE -no NAME,FSTYPE | grep xfs | tail -1 | cut -d' ' -f1)
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@ -1587,7 +1582,7 @@ install_qcow_el() {
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# 取消挂载 nbd
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umount /nbd/ /nbd-boot/ /nbd-efi/ || true
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qemu_nbd -d /dev/nbd0
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qemu-nbd -d /dev/nbd0
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# 如果镜像有efi分区,复制其uuid
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# 如果有相同uuid的fat分区,则无法挂载
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@ -1712,7 +1707,7 @@ EOF
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dd_qcow() {
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if true; then
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modprobe nbd nbds_max=1
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qemu_nbd -c /dev/nbd0 $qcow_file
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qemu-nbd -c /dev/nbd0 $qcow_file
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# 检查最后一个分区是否是 btrfs
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# 即使awk结果为空,返回值也是0,加上 grep . 检查是否结果为空
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@ -1742,11 +1737,11 @@ dd_qcow() {
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printf "yes" | parted /dev/nbd0 resizepart $part_num ${part_end}B ---pretend-input-tty
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# 缩小 qcow2
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qemu_nbd -d /dev/nbd0
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qemu-nbd -d /dev/nbd0
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qemu-img resize --shrink $qcow_file $part_end
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# 重新连接
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qemu_nbd -c /dev/nbd0 $qcow_file
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qemu-nbd -c /dev/nbd0 $qcow_file
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else
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umount /mnt/btrfs
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fi
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@ -1778,13 +1773,20 @@ dd_qcow() {
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;;
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esac
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qemu_nbd -d /dev/nbd0
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qemu-nbd -d /dev/nbd0
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else
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# 将前1M dd到内存,将1M之后 dd到硬盘
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qemu-img dd if=$qcow_file of=/first-1M bs=1M count=1
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qemu-img dd if=$qcow_file of=/dev/disk/by-label/os bs=1M skip=1
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fi
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# 需要等待一下,不然会出现
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# umount: /installer/: target is busy.
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while fuser -sm /installer/; do
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echo "Waiting for /installer/ to be unmounted..."
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sleep 5
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done
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# 将前1M从内存 dd 到硬盘
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umount /installer/
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dd if=/first-1M of=/dev/$xda
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