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ãã/dev/hda1 on / type ext3 (rw)
ããnone on /proc type proc (rw)
ããusbdevfs on /proc/bus/usb type usbdevfs (rw)
ããnone on /dev/pts type devpts (rw,gid=5,mode=620)
ãã/dev/hda5 on /home type ext3 (rw)
ããnone on /dev/shm type tmpfs (rw)
ãã/dev/hda2 on /usr/local type ext3 (rw)
ãã/dev/nb1 on /EarthView/RAW type ext3 (ro)ï¼å为åªè¯»äºï¼
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ãã3ãumount /dev/nb1
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ããmount -o rw,remount /mnt/data
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end_request: I/O error, dev sda, sector 122194293 Buffer I/O error on device sda1, logical block 446493 lost page write due to I/O error on sda1
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[root@php5 ~]# fdisk -lu #第ä¸æ¥ ï¼æ¾åºæ¬å°æçæå¨çååºã
Disk /dev/sda: 73.4 GB, 73407868928 bytes
255 heads, 63 sectors/track, 8924 cylinders, total 143374744 sectors
Units = sectors of 1 * 512 = 512 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 63 4096574 2048256 83 Linux
/dev/sda2 4096575 75778604 35841015 83 Linux
/dev/sda3 75778605 129034079 26627737+ 83 Linux
/dev/sda4 129034080 143364059 7164990 5 Extended
/dev/sda5 129034143 139267484 5116671 83 Linux
/dev/sda6 139267548 143364059 2048256 82 Linux swap
[root@php5 ~]# tune2fs -l /dev/sda3 |grep "Block size" #æ¾å°block大å°ã
Block size: 4096
(122194293-75778605)*512/4096 =528691 å©ç¨å
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b = (int)((L-S)*512/B)
[root@php5 ~]# debugfs
debugfs 1.35 (28-Feb-2004)
debugfs: open /deb/sda3
/deb/sda3: No such file or directory while opening filesystem
debugfs: open /dev/sda3
debugfs: icheck 582391
Block Inode number
582391 277584
debugfs: ncheck 277584
Inode Pathname
277584 /users/inn.net.cn/data/upload/download/innshow004.rar
debugfs: quit
[root@php5 ~]#dd if=/dev/zero of=/dev/sda1 bs=4096 count=1 seek=582391 #æ¾å°è¿ä¸ªå¿«çæ件ä¹åï¼éè¦å好å¤ä»½ï¼æ们强å¶æå®è®¾ç½®ä¸º0åèã
[root@php5 ~]# sync
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