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general setup
    ---> enable deprecated sysfs features which may confuse old
userspace tools
insmod: error inserting '/lib/dm-region-hash.ko' : -1 File exists
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cp /boot/initrd-2.6.x.img /tmp
cd /tmp
mkdir newinitrd
cd newinitrd/
zcat ../initrd-2.6.x.img |cpio -i
ϱ߾ÍÊDZ༭init£¬É¾µôÆäÖÐÖØ¸´µÄËÄÐÐÖеÄÁ½ÐÐ
echo "Loading dm-region-hash.ko module"
insmod
/lib/dm-region-hash.ko
echo "Loading dm-region-hash.ko module"
insmod
/lib/dm-region-hash.ko
ÖØÐ´ò°üinitrd
find .|cpio -c -o > ../initrd
cd ..
gzip -9 < initrd > initrd.img
ºÃÁË£¬initrd.img¾ÍÊÇÖØÐ´ò°üµÄinitrdÁË£¬È»ºó°Ñinitrd.img¿½±´µ½/boot£¬¸ü¸Ägrub.confÀï±ßµÄ
initrd-2.6.x.imgΪinitrd.img¾Í¿ÉÒÔÁË£¬ÕâÑù“insmod: error inserting
'/lib/dm-region-hash.ko' : -1 File exists” ¾Í²»»áÓÐÁË
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