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However, some drives will not immediately remap such sectors when written; instead the drive will first attempt to write to the problem sector and if the write operation is successful then the sector will be marked good (in this case, the "Reallocation Event Count" (0xC4) will not be increased). This is a serious shortcoming, for if such a drive contains marginal sectors that consistently fail only after some time has passed following a successful write operation, then the drive will never remap these problem sectors.

 

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The total count of uncorrectable errors when reading/writing a sector. A rise in the value of this attribute indicates defects of the disk surface and/or problems in the mechanical subsystem.

 

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dd ¥³¥Þ¥ó¥É¤Ç¥¼¥í¥Õ¥£¥ë¤·¤¿¤Î¤Á¤Ë¡¢S.M.A.R.T. ¤Î¥»¥ë¥Õ¥Æ¥¹¥È (long) ¤ò¼Â¹Ô¤· Current Pending Sector ¤Ï 0 ¤Ë¤Ê¤Ã¤¿¡£¤Ç¤â¡¢Reallocated Event Count ¤â Reallocated Sector Ct ¤âÁý¤¨¤Æ¤¤¤Ê¤¤¡£Offline Uncorrectable ¤Ï 108 ¤¬ 209 ¤ËÁý¤¨¤¿¡£

¤È¤æ¡¼¤³¤È¤Ï¡¢½ñ¤­¹þ¤ß¤ò¹Ô¤Ê¤Ã¤¿¤Ë¤â¤«¤«¤ï¤é¤ºÂåÂؽèÍý¤¬¹Ô¤ï¤ì¤Ê¤«¤Ã¤¿¡£ÂåÂØÊÝαÃæ¤À¤±¤ì¤É¤â¡¢¼¡¤ÎÆɤ߽Ф·¤¬¤Þ¤À¹Ô¤ï¤ì¤Æ¤ª¤é¤º¡¢ÂåÂؽèÍý¤¹¤Ù¤­¥»¥¯¥¿¡¼¤Ë¤Ê¤Ã¤Æ¤¤¤Ê¤«¤Ã¤¿¡¢¤Ã¤Æ¤³¤È¤«¡© ¤½¤³¤Ø½ñ¤­¹þ¤ß¡¢Æɤ߽Ф·¤ò¹Ô¤Ê¤Ã¤¿¤éÀµ¾ï¤Ë¤Ç¤­¤¿¤Î¤Ç¡¢ÂåÂØÊÝαÃæ¤Ë¤Ï¤Ê¤é¤Ê¤«¤Ã¤¿?

…… ¤¸¤ã¤¢¡¢Offline Uncorrectable ¤Ï¤Ê¤ó¤Ê¤Î¡©

 

¤Þ¤È¤á¤è¤¦¤«¤È»×¤Ã¤¿¤±¤ì¤É¡¢µ¿Ìä¤Ï¤µ¤é¤Ë³¤¯…… (^_^;)

 


¢£Ä¾¤¹²ÁÃͤΤʤ¤¥Ï¡¼¥É¥Ç¥£¥¹¥¯¤ò½¤Éü¤·¤Æ¤ß¤ë ¤Î»²

Á´¥Ö¥í¥Ã¥¯¤Ë 0 ¤ò½ñ¤­¹þ¤ó¤Ç¤ß¤¿ HDD (500GB) ¤Î S.M.A.R.T. ¥Æ¥¹¥È¤Î·ë²Ì¤Ï¡¢Current Pending Sector (¸½ºßÊÝαÃæ¤Î¥»¥¯¥¿) ¤¬¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¤¬¡¢Offline Uncorrectable (¥ª¥Õ¥é¥¤¥ó½¤ÀµÉÔ²Äǽ) ¤¬ 209 ¤ËÁý¤¨¤Æ¤¤¤Þ¤¹¡£¤³¤ì¤Ï¤¤¤ï¤æ¤ëÉÔÎÉ¥»¥¯¥¿¡¼¤Ã¤ÆÅۤʤΤǤ·¤ç¤¦¤«¡©

badblocks ¥³¥Þ¥ó¥É¤ò»È¤Ã¤ÆÄ´¤Ù¤Æ¤ß¤ë¤³¤È¤Ë¤·¤Þ¤·¤ç¤¦¡£

 

badblocks ¤Ï¡¢º£²ó¤ÏÇ˲õŪ (½ñ¤­¹þ¤ß¥â¡¼¥É) ¸¡ºº¤ò¤ä¤Ã¤Æ¤ß¤Þ¤¹¡£man badblocks ¤·¤Æ¤ß¤ë¤È¡¢

 

-w     Use write-mode test. With this option, badblocks scans for bad blocks by writing some patterns (0xaa, 0x55,  0xff,  0x00)  on  every block (¤¹¤Ù¤Æ¤Î¥Ö¥í¥Ã¥¯¤Ë¤¤¤¯¤Ä¤«¤Î¥Ñ¥¿¡¼¥ó¤ò½ñ¤­¹þ¤à¤³¤È¤Ë¤è¤Ã¤Æ) of the device, reading every block and comparing the contents.  (¸åά)

 

¤È¤¤¤¦¤³¤È¤Ç¤¹¡£¤ó〜¡¢4¤Ä¤Î¥Ñ¥¿¡¼¥ó¤ò¤¹¤Ù¤Æ¤ä¤Ã¤Æ¤ß¤ë¤Î¤«¤Ê¡£1¥Ñ¥¿¡¼¥ó¤Ë 5»þ´Ö¤«¤«¤ë¤È¤¹¤ë¤È 20»þ´Ö …    -t ¥ª¥×¥·¥ç¥ó¤Ç¥Ñ¥¿¡¼¥ó¤ò random ¤Ë»ØÄꤹ¤ì¤ÐÎɤ¤¤Î¤«¤â¤·¤ì¤Ê¤¤¡£

 

-t test_pattern

Specify a test pattern to be read (and written) to disk blocks.   The test_pattern may either be a  numeric  value between  0 and ULONG_MAX-1 inclusive, or the word "random", which specifies that the block should be filled with a random bit pattern ("random" ¤Ï¡¢¥Ö¥í¥Ã¥¯¤¬¥é¥ó¥À¥à¤Ê¥Ó¥Ã¥È¥Ñ¥¿¡¼¥ó¤ÇËä¤á¤é¤ì¤ë¤³¤È¤ò»ØÄꤷ¤Þ¤¹) .  (Ãæά) If multiple patterns are specified then all blocks will be tested with one pattern before proceeding to the next pattern (Ê£¿ô¤Î¥Ñ¥¿¡¼¥ó¤¬»ØÄꤵ¤ì¤Æ¤¤¤ë¾ì¹ç¤Ï¡¢¤¹¤Ù¤Æ¤Î¥Ö¥í¥Ã¥¯¤¬1¤Ä¤Î¥Ñ¥¿¡¼¥ó¤Ç¥Æ¥¹¥È¤µ¤ì¤¿¸å¤Ë¡¢¼¡¤Î¥Ñ¥¿¡¼¥ó¤Ë¿Ê¤ß¤Þ¤¹¡£) .

 

¤È¤¤¤¦¤³¤È¤Ê¤Î¤Ç¡¢°Ê²¼¤Î¤è¤¦¤Ë¼Â¹Ô¤·¤Æ¤ß¤ë¤³¤È¤Ë¤·¤Þ¤¹¡£

$ sudo badblocks -svw -b 4096 -c 256 -t random -o badblocks.txt /dev/sdb

¥é¥ó¥À¥à¤Ê¥Ñ¥¿¡¼¥ó¤ò½ñ¤­Æɤߤ·¤Æ¡¢°ì²ó¤ê¤Ç½ªÎ»¡£1 ¥Ö¥í¥Ã¥¯ 4096 ¥Ð¥¤¥È¤ò 256¸Ä¤º¤Ä¥Æ¥¹¥È¤·¤Þ¤¹¤Î¤Ç¡¢°ìÅÙ¤Ë 1MB ¤ò¥Æ¥¹¥È¤¹¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£¤È»×¤¤¤Þ¤¹ (^_^;)

 

¤Á¤Ê¤ß¤Ë¡¢¥¨¥é¡¼¤ò½ñ¤­½Ð¤·¤¿¥Õ¥¡¥¤¥ë¤ò e2fsck ¤ËÅϤ¹¤È¤¤¤Ã¤¿ÊýË¡¤òÀâÌÀ¤·¤Æ¤¤¤ë¥µ¥¤¥È¤¬¤¤¤¯¤Ä¤â¸«¤é¤ì¤Þ¤·¤¿¤±¤É¡¢¤¤¤Þ²¶¤¬¤ä¤Ã¤Æ¤¤¤ë¤è¤¦¤Ê¡¢Á´ÂΤòÄÙ¤·¤¿¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤¬Ìµ¤¤¾õ¶·¤Ç¤Ï¤½¤ì¤Ï¤Ç¤­¤Þ¤»¤ó¡£e2fsck ¤Ï¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à (ext2 / ext3) ¤¬¤Ê¤¤¤È¼Â¹Ô¤Ç¤­¤Þ¤»¤ó¤Î¤Ç¡£²¶¤¬¥Õ¥¡¥¤¥ë¤Ë½ñ¤­½Ð¤·¤Æ¤¤¤ë¤Î¤Ï¡¢Ã±¤Ëµ­Ï¿¤È¤·¤Æ¸«¤ë¤¿¤á¤Ç¤¹¡£

man ¤Ë¤Ï¡¢e2fsck ¤ËÅϤ¹¾ì¹ç¤Ë¤Ï badblocks ¤ò»È¤ï¤Ê¤¤¤è¤¦¤Ë¡¢¤È½ñ¤«¤ì¤Æ¤¤¤Þ¤¹¡£

 

Important note: If the output of badblocks is going to be fed to the e2fsck or mke2fs programs (badblock¤Î½ÐÎϤ¬e2fsck¤Þ¤¿¤Ïmke2fs¥×¥í¥°¥é¥à¤ËÁ÷¤é¤ì¤ëͽÄê¤Î¾ì¹ç) , (Ãæά) it is strongly recommended that users not run badblocks directly, but rather use the -c option of the e2fsck and mke2fs programs (¥æ¡¼¥¶¡¼¤¬ badblocks ¤òľÀܼ¹Ԥ·¤Ê¤¤¤³¤È¤ò¶¯¤¯¤ª´«¤á¤·¤Þ¤¹¡£¤à¤·¤í¡¢e2fsck¤ª¤è¤Ómke2fs¥×¥í¥°¥é¥à¤Î-c¥ª¥×¥·¥ç¥ó¤ò»ÈÍѤ·¤Æ¤¯¤À¤µ¤¤) .

 

¤µ¤Æ¡¢¼ÂºÝ¤ÎÆ°¤­¤Ç¤¹¤¬¡¢³«»Ï¤«¤é¤Þ¤º¥é¥ó¥À¥à¤Ê¥Ñ¥¿¡¼¥ó¤Î½ñ¤­¹þ¤ß¤¬¹Ô¤ï¤ì¤¿¤è¤¦¤Ç¤¹¡£4»þ´Ö 40ʬ¤Ç 100¡ó ¤Ë㤷¡¢

Testing with random pattern: done

¤È¤Ê¤ê¤Þ¤·¤¿¡£¸½ºß¤Î¤È¤³¤í¥¨¥é¡¼¤Ï¸¡½Ð¤µ¤ì¤Æ¤¤¤Þ¤»¤ó¡£

¤½¤·¤Æº£ÅÙ¤Ï Reading and comparing: ¤¬¿Ê¹Ô¤·¤Æ¤¤¤Þ¤¹¡£¤¿¤·¤«¤Ë¡¢dd ¤ÇÁ´ÂÎ¤Ë 0 ¤ò½ñ¤­¹þ¤à¤Ë¤âƱ¤¸»þ´Ö¤¬¤«¤«¤Ã¤Æ¤¤¤Þ¤¹¤«¤é¡¢Ç¼ÆÀ¤Ç¤­¤ëºî¶È»þ´Ö¤Ç¤¹¡£

¤È¤¤¤¦¤³¤È¤Ï¤Ç¤¹¤è¡¢¥Ç¥Õ¥©¥ë¥È¤¬ 4¤Ä¤Î¥Ñ¥¿¡¼¥ó¤ò»ØÄꤷ¤Æ¤¤¤ë¤È¤¹¤ë¤È¡¢½ñ¤­¹þ¤ß¤À¤±¤Ç 18»þ´Ö 40ʬ¤òÍפ¹¤ë¤³¤È¤Ë¤Ê¤ê¤Þ¤¹¡£Æɤ߽Ф·¤ÈÈæ³Ó¤ËƱ¤¸»þ´Ö¤«¤«¤ë¤Ê¤é¤Ð¡¢Á´ÂΤκî¶È»þ´Ö¤Ï 37»þ´Ö 20ʬ¤È¸«ÀѤâ¤é¤ì¤Þ¤¹¡£

 

¤½¤·¤Æ¤Ä¤¤¤Ë badblocks ¥³¥Þ¥ó¥É¤¬½ªÎ»¤·¤Þ¤·¤¿¡£Àµ³Î¤Ê»þ´Ö¤ò¥Á¥§¥Ã¥¯¤·¤Æ¤Ê¤¤¤Î¤Ç¤¹¤¬¡¢¤Û¤Ü½ñ¤­¹þ¤ß¤ÈƱ¤¸¤Û¤É¤«¤«¤Ã¤Æ¤¤¤Þ¤¹¡£

$ sudo badblocks -svw -b 4096 -c 256 -t random -o badblocks.txt /dev/sdb
Checking for bad blocks in read-write mode
From block 0 to 122096645
Testing with random pattern: done                                                 
Reading and comparing: done                                                 
Pass completed, 0 bad blocks found. (0/0/0 errors)

·ë²Ì¡¢ÉÔÎÉ¥»¥¯¥¿¤Ï¸¡½Ð¤µ¤ì¤Þ¤»¤ó¤Ç¤·¤¿¡£¥¨¥é¡¼¤¬¤Ê¤«¤Ã¤¿¤Î¤Ç badblocks.txt ¤âºîÀ®¤µ¤ì¤Æ¤¤¤Þ¤»¤ó¡£¤½¤·¤ÆͽÄꤷ¤¿¤È¤ª¤ê¡¢¥é¥ó¥À¥à¥Ñ¥¿¡¼¥ó¤Î½ñ¤­¹þ¤ßÆɤ߽Ф·¤ò°ì²ó¤ê¼Â¹Ô¤·¤Æ½ªÎ»¤È¤¤¤¦¤³¤È¤Ç¤·¤¿¡£

 

¤É¤¦¤Ê¤ó¤Ç¤·¤ç¤¦¡© ¤³¤Î HDD ¤Ã¤Æ¤Þ¤À¤·¤Ð¤é¤¯ÍøÍѤǤ­¤½¤¦¤¸¤ã¤Ê¤¤¤Ç¤¹¤« (^_^;)

 


¢£Ä¾¤¹²ÁÃͤΤʤ¤¥Ï¡¼¥É¥Ç¥£¥¹¥¯¤ò½¤Éü¤·¤Æ¤ß¤ë ¤ÎÆõ

¤µ¤Æ¡¢S.M.A.R.T. ¥Æ¥¹¥È¤Ç¿¤¯¤ÎÉÔÎÉ¥»¥¯¥¿¤¬¸«¤é¤ì¤ë¤Ë¤â¤«¤«¤ï¤é¤ºÉ¾²Á¤¬ PASSED ¤Î HDD (500GB) ¤ò¡¢Êª¤Ï»î¤·¤Ë½¤Éü¤·¤Æ¤ß¤è¤¦¤È¤·¤Æ¤¤¤Þ¤¹¤¬¡¢¤¢¤Þ¤ê¤ËÉÔÎÉ¥»¥¯¥¿Í½È÷·³¤Ê¤É¤¬Â¿¤¤¤Î¤Ç¡¢¤¢¤Ã¤µ¤êÁ´ÉôÄÙ¤·¤Æ¤·¤Þ¤ª¤¦¤«¤È (^_^;)

 

Á´¥Ö¥í¥Ã¥¯¤Ë £° ¤ò½ñ¤­¹þ¤ó¤Ç¤ß¤¿¤¤¤Î¤Ç¤¹¤¬¡¢ÊýË¡¤È¤·¤Æ¡¢¤¤¤Ä¤â HDD ¤ÎÇÑ´þ¤Î¤È¤­¤ËÍøÍѤ·¤Æ¤¤¤ë shred ¥³¥Þ¥ó¥É¤Ç²Äǽ¤Ç¤¹¡£¤Ç¤âº£²ó¤Ï¡¢¤¢¤Þ¤ê»È¤Ã¤¿¤³¤È¤¬¤Ê¤¤ dd ¥³¥Þ¥ó¥É¤Ç¤ä¤Ã¤Æ¤ß¤è¤¦¤È»×¤¤¤Þ¤¹¡£

¤Ê¤ª¡¢»þ´Ö¤¬Ä¹¤¯¤Ê¤ë¤Î¤Ç¡¢°Ê²¼¡¢Ê̤Υѥ½¥³¥ó (linuxBean) ¤Çºî¶È¤ò¹Ô¤¤¤Þ¤·¤¿¡£

$ sudo dd if=/dev/zero of=/dev/sdb bs=4096

¿ʬ 4»þ´Ö¤°¤é¤¤¤Ï¤«¤«¤ë¤Î¤Ç¤·¤ç¤¦¤±¤É¡¢¿Ê¹Ô¾õ¶·¤¬¤ï¤«¤ê¤Þ¤»¤ó¡£¤½¤³¤Ç¡¢Ê̤Υ¿¡¼¥ß¥Ê¥ë¤ò³«¤¤¤Æ

$ sudo killall -USR1 dd

¤È¤¹¤ë¤È¿Ê¹Ô¾õ¶·¤¬É½¼¨¤µ¤ì¤Þ¤¹¡£Äê´üŪ¤Ëɽ¼¨¤µ¤»¤ë¤Ë¤Ï watch ¥³¥Þ¥ó¥É¤ò»È¤¦¤È¤è¤¤¤Ç¤¹¡£

$ sudo watch -n 600 killall -USR1 dd

-n ¤ÎÃͤ¬·«¤êÊÖ¤·¤ÎÉÿô¤Ç¤¹¡£ÉÑÈˤËɽ¼¨¤·¤Æ¤â»ÅÊý¤¬¤Ê¤¤¤Î¤Ç¡¢10ʬ¤ª¤­¤Ë¤·¤Æ¤¤¤Þ¤¹¡£

 

¤Á¤Ê¤ß¤Ë¡¢ubuntu 18.04 ¤Î man dd ¤ÇÄ´¤Ù¤ë¤È¡¢

 

status=LEVEL

The  LEVEL of information to print to stderr; (Ãæά) 'progress' shows periodic transfer statistics ( 'progress' ¤ÏÄê´üŪ¤ÊžÁ÷Åý·×¤òɽ¼¨¤·¤Þ¤¹)

 

¤È½ñ¤¤¤Æ¤¢¤ë¤Î¤Ç¡¢status=progress ¤ò¤Ä¤±¤ì¤ÐÎɤµ¤½¤¦¤Ç¤¹¤Í¡£»î¤·¤Æ¤Þ¤»¤ó¤¬ (^_^;)

ubuntu ¤Î dd ¤Î¥Ð¡¼¥¸¥ç¥ó¤Ï 8.28 ¤Ç¤¹¤¬¡¢linuxBean ¤Ï 8.13 ¤Ç¤³¤Î¥ª¥×¥·¥ç¥ó¤Ï¤¢¤ê¤Þ¤»¤ó¤Ç¤·¤¿¡£

 

¤Ç¡¢·ë²Ì dd ¤Ï 4»þ´Ö 40ʬ¤Ç½ªÎ»¤·¤Þ¤·¤¿¡£Â³¤±¤Æ S.M.A.R.T. ¥Æ¥¹¥È¤ò¹Ô¤¤¤Þ¤¹¡£

$ sudo smartctl --test=long /dev/sdb

ͽÄê»þ´Ö¤Ï 3»þ´Ö 50ʬ¤Û¤É¤Ç¤¹¤Î¤Ç¡¢¥Ñ¥½¥³¥ó¤Ë¤ª¤Þ¤«¤»¤·¤Æ½¢¿²¤·¤Þ¤¹ (^_^;)

 

°ìÌëÌÀ¤±¤Æ¡¢¥Æ¥¹¥È¤Î·ë²Ì¤ò³Îǧ¤·¤Þ¤·¤¿¡£

$ sudo smartctl -a /dev/sdb

¥Æ¥¹¥Èɾ²Á¤Ï PASSED ¤Ç¤¹¡£

SMART overall-health self-assessment test result: PASSED

¥í¥°¤Î¥¹¥Æ¡¼¥¿¥¹¤âÀµ¾ï¤Ë½ªÎ»¤·¤Æ¤¤¤Þ¤¹¡£

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%     25478         -

°À­¥Ç¡¼¥¿¤ÎÈ´¿è¤Ç¤¹¡£

ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   100   100   024    Pre-fail  Always       -       1 (1999, 1)
196 Reallocated_Event_Count 0x0032   100   100   000    Old_age   Always       -       1 (5, 13648)
197 Current_Pending_Sector  0x0012   100   001   000    Old_age   Always       -       0
198 Offline_Uncorrectable   0x0010   001   001   000    Old_age   Offline      -       209

°À­¥Ç¡¼¥¿¤Ë¤Ä¤¤¤Æ¤¶¤Ã¤È¥°¥°¤Ã¤Æ¤ß¤¿¤±¤É¡¢¤Ê¤ë¤Û¤É¤Ã¤Æ»×¤¨¤ë¤³¤È½ñ¤¤¤Æ¤¢¤ë¥µ¥¤¥È¤Ë¤Þ¤À½Ð²ñ¤Ã¤Æ¤¤¤Þ¤»¤ó¡£º£¤Î²¶¤Ë¤ÏÆñ¤·¤¹¤®¤ë²òÀâ¤Ð¤«¤ê¤Ã¤Æ¤³¤È¤Ç¤¹ (^_^;)

197 Current_Pending_Sector (¸½ºßÊÝαÃæ¤Î¥»¥¯¥¿) ¤Ï¤Ê¤¯¤Ê¤ê¤Þ¤·¤¿¡£Í½È÷·³¤Ï°ìÁݤµ¤ì¤¿¤Ã¤Æ¤³¤È¤Ç¤¹¤«¤Í¡£

5 Reallocated_Sector_Ct (ºÆ³äÅö¤Æ¤µ¤ì¤¿¥»¥¯¥¿¡¼¤Î¿ô) ¤Ï 1 ¤Î¤Þ¤Þ¤Ç¤¹¡£ÂåÂØÎΰè¤ËºÆ³äÅö¤Æ¤µ¤ì¤¿ÉÔÎÉ¥»¥¯¥¿¡¼¤Ç¤¹¤Î¤Ç¡¢OS ¤«¤é¤Ï¸«¤¨¤Ê¤¤ÅۤǤ¹¡£(1999, 1) ¤È¤¤¤¦¤Î¤ÏÂåÂØÎΰ褬 2000 ¤¢¤ë¤Ã¤Æ¤³¤È¤Ç¤·¤ç¤¦¤«¡©

196 Reallocated_Event_Count (ºÆ³äÅö¤Æ¥¤¥Ù¥ó¥È¤Î²ó¿ô) ¤ÏºÆ³äÅö¤Æ¤ò»î¹Ô¤·¤¿²ó¿ô¤Ç¤¹¡£

198 Offline_Uncorrectable (¥ª¥Õ¥é¥¤¥ó½¤ÀµÉÔ²Äǽ) ¤¬Åö½é¤Î 108 ¤«¤é 209 ¤ËÁý¤¨¤Þ¤·¤¿¡£ºÆ³äÅö¤Æ¤Ç¤­¤Ê¤«¤Ã¤¿¥»¥¯¥¿¡¼¤é¤·¤¯¡¢¤³¤¤¤Ä¤¬¤¤¤ï¤æ¤ëÉÔÎÉ¥»¥¯¥¿¡¼¤Ã¤ÆÅÛ¤«¤Ê¡©

 

¤½¤ì¤Ç¤Ï¼¡¤Ï¡¢badblocks ¥³¥Þ¥ó¥É¤ÇÉÔÎÉ¥»¥¯¥¿¡¼¤Î¸¡ºº¤ò¤·¤Æ¤ß¤Þ¤·¤ç¤¦¡£

 


¢£Ä¾¤¹²ÁÃͤΤʤ¤¥Ï¡¼¥É¥Ç¥£¥¹¥¯¤ò½¤Éü¤·¤Æ¤ß¤ë ¤Î°í

°ÊÁ°½¤Íý¤·¤¿¥Î¡¼¥È¥Ñ¥½¥³¥ó FMV-BIBLO NF/E70 ¤«¤é¼è¤ê½Ð¤·¤¿ HDD ¤Ç¤¹¤¬¡¢É½¸þ¤­¤ÏÆä˰۾郎½Ð¤Ê¤¤¤±¤É¡¢S.M.A.R.T. ¥Æ¥¹¥È¤ò¤¹¤ë¤È read failure ¤ÇÃæÃǤ·¤Æ¤·¤Þ¤¦¤È¤¤¤¦¾õÂ֤Ǥ¹¡£Ä¾¤¹²ÁÃͤϤʤ¤¤Î¤Ç¤Ï¤Ê¤¤¤«¤È»×¤Ã¤Æ¤¤¤Þ¤¹¡£¤¬¡¢Êª¤Ï»î¤·½¤Éü¤·¤Æ¤ß¤è¤¦¤È»×¤¤¤Þ¤¹¡£µ»½ÑŪ¤Ê¶½Ì£¤È¸å³Ø¤Î¤¿¤á¤È¤æ¡¼¤³¤È¤Ç (^_^;)

°Ê²¼¡¢²õ¤ì¤Æ¤â¤«¤Þ¤ï¤Ê¤¤¡¢¥Ç¡¼¥¿¤â¾Ã¼º¤·¤Æ¤«¤Þ¤ï¤Ê¤¤¤È¤¤¤¦¥ì¥Ù¥ë¤Ç¤ÎÏäǤ¹¤Î¤Ç¡¢¿¿»÷¤·¤Æ¤ß¤è¤¦¤È¤¤¤¦Êª¹¥¤­¤Ê¿Í¤â¼«¸ÊÀÕǤ¤Ç¤ª´ê¤¤¤·¤Þ¤¹¡£

 

¥»¥ë¥Õ¥Æ¥¹¥È¤Îɾ²Á¤Ï PASSED ¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤¹¡£

SMART overall-health self-assessment test result: PASSED

 

¥»¥ë¥Õ¥Æ¥¹¥È¤Î¥í¥°¤Ç¤¹¡£read failure ¤ÇÃæÃǤ·¤Æ¤¤¤Þ¤¹¡£

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed: read failure       90%     25453         172907425

 

°À­¥Ç¡¼¥¿¤ÎÈ´¿è¤Ç¤¹¡£

ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  5 Reallocated_Sector_Ct   0x0033   100   100   024    Pre-fail  Always       -       1 (1999 1)
196 Reallocated_Event_Count 0x0032   100   100   000    Old_age   Always       -       1 (5 13648)
197 Current_Pending_Sector  0x0012   058   058   000    Old_age   Always       -       43
198 Offline_Uncorrectable   0x0010   046   046   000    Old_age   Offline      -       108

ÉÔÎÉ¥»¥¯¥¿¤Ë´ØÏ¢¤¹¤ë¿ôÃͤÎÈ´¿è¤Ç¤¹¤¬¡¢¤±¤Ã¤³¤¦°­¤¯¤Ê¤Ã¤Æ¤¤¤ë´¶¤¸¤Ç¤¹¡£

 

¥Æ¥¹¥È¤Ç¥¨¥é¡¼¤Ë¤Ê¤ë LBA ¤Ï 172907425 ¤Ç¤¹¡£¤³¤ì¤¬¤¢¤ë¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Ï /dev/sdf2 ¤À¤È¤¤¤¦¤³¤È¤¬°Ê²¼¤Ç¤ï¤«¤ê¤Þ¤¹¡£

$ sudo fdisk -l /dev/sdf
¥Ç¥£¥¹¥¯ /dev/sdf: 465.8 GiB, 500107862016 ¥Ð¥¤¥È, 976773168 ¥»¥¯¥¿
ñ°Ì: ¥»¥¯¥¿ (1 * 512 = 512 ¥Ð¥¤¥È)
¥»¥¯¥¿¥µ¥¤¥º (ÏÀÍý / ʪÍý): 512 ¥Ð¥¤¥È / 512 ¥Ð¥¤¥È
I/O ¥µ¥¤¥º (ºÇ¾® / ¿ä¾©): 512 ¥Ð¥¤¥È / 512 ¥Ð¥¤¥È
¥Ç¥£¥¹¥¯¥é¥Ù¥ë¤Î¥¿¥¤¥×: dos
¥Ç¥£¥¹¥¯¼±ÊÌ»Ò: 0x3f3c3b21

¥Ç¥Ð¥¤¥¹   µ¯Æ° ³«»Ï°ÌÃÖ  ºÇ¸å¤«¤é    ¥»¥¯¥¿ ¥µ¥¤¥º Id ¥¿¥¤¥×
/dev/sdf1  *        2048   1126399   1124352   549M  7 HPFS/NTFS/exFAT
/dev/sdf2        1126400 976771071 975644672 465.2G  7 HPFS/NTFS/exFAT

¥Õ¥¡¥¤¥ë¥·¥¹¥Æ¥à¤Ï NTFS ¤Ç¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤Ï 4096 ¥Ð¥¤¥È¡¢1 ¥»¥¯¥¿¡¼¤Ï 512 ¥Ð¥¤¥È¤Ç¤¹¤«¤é¡¢ÌäÂê¤Î LBA ¤¬´Þ¤Þ¤ì¤ë¥Ö¥í¥Ã¥¯¤Ï¡¢

 

(172907425 − 1126400 ) × 512 ÷ 4096 ¡á 21472628

 

¤È¤Ê¤ê¤Þ¤¹¡£

¤Á¤Ê¤ß¤Ë¡¢¥Ö¥í¥Ã¥¯¥µ¥¤¥º¤Ï NTFS ¤Ç¤Ï Windows ¤Î¥³¥Þ¥ó¥É¥×¥í¥ó¥×¥È¤Ç

> fsutil fsinfo ntfsinfo X:

¤Ç¤ï¤«¤ê¤Þ¤¹¡£ext3 ¤Ê¤É¤Ï Linux ¤Ç

$ sudo tune2fs -l /dev/sdf2

¤ÇÄ´¤Ù¤ë¤³¤È¤¬¤Ç¤­¤Þ¤¹¡£

 

¤³¤Î¥Ö¥í¥Ã¥¯¤òÄÙ¤·¤Þ¤¹¡£

$ sudo dd if=/dev/zero of=/dev/sdf2 bs=4096 count=1 seek=21472628

1+0 ¥ì¥³¡¼¥ÉÆþÎÏ
1+0 ¥ì¥³¡¼¥É½ÐÎÏ
4096 bytes (4.1 kB, 4.0 KiB) copied, 0.000202855 s, 20.2 MB/s

$ sudo sync

sync ¤Ï¥á¥â¥ê¡¼¤È¥Ç¥£¥¹¥¯¤òƱ´ü¤µ¤»¤ë¤Ã¤Æ¤¤¤¦¥³¥Þ¥ó¥É¤Ç¤¹¡£

 

S.M.A.R.T. ¥·¥ç¡¼¥È¥Æ¥¹¥È¤·¤Æ¤ß¤Þ¤·¤ç¤¦¡£

$ sudo smartctl --test=short /dev/sdf

·ë²Ì¤Î¥í¥°¤Ç¤¹¡£Completed without error ¤È¤Ê¤ê¤Þ¤·¤¿¡£

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error

# 1  Short offline       Completed without error       00%     25457         -
# 2  Short offline       Completed: read failure       90%     25453         172907425

°À­¥Ç¡¼¥¿¤â¤ß¤Æ¤ß¤Þ¤·¤ç¤¦¡£

ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE

  5 Reallocated_Sector_Ct   0x0033   100   100   024    Pre-fail  Always       -       1 (1999 1)
196 Reallocated_Event_Count 0x0032   100   100   000    Old_age   Always       -       1 (5 13648)
197 Current_Pending_Sector  0x0012   059   058   000    Old_age   Always       -       42
198 Offline_Uncorrectable   0x0010   046   046   000    Old_age   Offline      -       108

¤ó〜¡¢Current_Pending_Sector ¤¬°ì¤Ä¸º¤Ã¤¿¤À¤±¤Ç¤¹¡£°ì¤ÄÄÙ¤·¤¿¤À¤±¤À¤«¤éÅöÁ³¤Ç¤¹¤è¤Í¤§¡£ÄÙ¤·¤¿¤±¤É Reallocated_Sector_Ct ¤¬Áý¤¨¤Ê¤¤¤Î¤Ï¤Ê¤¼¡© HDD ¤Î¾Ü¤·¤¤Ã챤¬¤Ê¤¤¤Î¤Ç²¶¤Ë¤Ï¤ï¤«¤ê¤Þ¤»¤ó m(__)m

 

¤Ç¡¢¼¡¤Ë¥í¥ó¥°¥Æ¥¹¥È ( 4»þ´Ö¶á¤¯¤«¤«¤ê¤Þ¤·¤¿) ¤ò¹Ô¤¦¤ÈÊ̤ΠLBA ¤Ç¥¨¥é¡¼¤¬½Ð¤Þ¤¹¡£¤½¤ì¤òÄÙ¤·¤Æ¡¢¤Þ¤¿¥í¥ó¥°¥Æ¥¹¥È¤·¤Æ… ¤¢¡Á¤½¤ì¤ò 40²ó°Ê¾å¤ä¤ê¤Þ¤¹¡© ¤Ä¤Þ¤ê¡¢Current_Pending_Sector ¤¬°ì¤Ä¤°¤é¤¤¤Ê¤é¤³¤¦¤·¤ÆÄÙ¤·¤Æ¤â¤¤¤±¤ë¤Î¤«¤Ê¡¢¤Ã¤Æ´¶¤¸¡£¤³¤ó¤Ê¤Ë½ý¤ó¤Ç¤ë HDD ¤Ç¤Ï¤ä¤ë²ÁÃͤʤ¤¤Ã¤Æ¤³¤È¤Ç¤¹¡£

¤¸¤ã¤¡¼¡¤Ï¡¢¤¢¤Ã¤µ¤êÁ´Éô¤ò 0 ¤ÇÄÙ¤·¤Æ¤·¤Þ¤¤¤Þ¤·¤ç¤¦¤«¡£

 


¢£ubuntu 18.04 / NAS¤ÎPCϢưÅŸ»µ¡Ç½¤ò»È¤¦

²æ¤¬²È¤ÇÍøÍѤ·¤Æ¤¤¤ë¥Ð¥Ã¥Õ¥¡¥í¡¼¤Î NAS TS-WXL ¤Ë¤Ï¡ÖPCϢưÅŸ»µ¡Ç½¡×¤¬¤¢¤ê¤Þ¤¹¡£¤³¤ì¤Ï¡¢NAS Navigator2 ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤¿ PC ¤ÎÅŸ»¤Î on/off ¤ËϢư¤·¤Æ NAS ¤ò¼«Æ°Åª¤Ë on/off ¤¹¤ëµ¡Ç½¤Ç¤¹¡£HDD ¤òµ¯Æ°/Ää»ß¤µ¤»¤ë¤Î¤¬Îɤ¤¤«¤É¤¦¤«¤ï¤«¤ê¤Þ¤»¤ó¤¬¡¢Ìë´Ö¤Ê¤Éï¤â¥Ñ¥½¥³¥ó¤ò»È¤Ã¤Æ¤¤¤Ê¤¤¤È¤­¤ÏÀáÅŤ·¤è¤¦¤è¤Ã¤Æ¤³¤È¤ÇÍøÍѤ·¤Æ¤¤¤Þ¤¹¡£

¤·¤«¤¡¤·¡¢NAS Navigator2 ¤È¤¤¤¦¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤Ï Windows ÍÑ¤Ç ubuntu ¤Ç¤Ï»È¤¨¤Ê¤¤¡£ubuntu ¤ò¥á¥¤¥ó¤Ë»È¤Ã¤Æ¤¤¤ë¤Î¤Ë¡¢NAS ¤òµ¯Æ°¤µ¤»¤ë¤¿¤á¤Ë Windows ¤òµ¯Æ°¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¤È¤æ¡¼ËÜËöžÅݤʤ³¤È¤Ë¤Ê¤Ã¤Æ¤ª¤ê¤Þ¤¹ (^_^;)

 

¤½¤³¤Ç¡¢¤³¤Î PCϢưÅŸ»µ¡Ç½¤ò ubuntu ¤Ç¤âÍøÍѤǤ­¤Ê¤¤¤«¡¢¤È¤¤¤¦Ïá£

 

Windows ¤Ç¤Ï²¿¤ò¤·¤Æ¤¤¤ë¤Î¤«¡£

WireShark ¤Ç¥Ñ¥±¥Ã¥È¤Î¤ä¤ê¼è¤ê¤ò¸«¤Æ¤ß¤ë¤È¡¢¤È¤­¤É¤­ WOL (Wake on LAN) ¤Î Magic Packet ¤¬ NAS ¤ØÁ÷¤é¤ì¤Æ¤¤¤ë¤³¤È¤¬¤ï¤«¤ê¤Þ¤¹¡£150 É䪤­¤Ç¤¹¤¬¡¢¤Ê¤¼¤« 140 ÉäÀ¤Ã¤¿¤ê 15 ÉäÀ¤Ã¤¿¤ê…

¡ÖNAS Power Management Service¡×¤È¤¤¤¦¥µ¡¼¥Ó¥¹¤¬¤³¤ì¤ò¼Â¹Ô¤·¤Æ¤¤¤ë¤è¤¦¤Ç¡¢Magic Packet ¤Ï 3 ²óϢ³¤Ç¥Ý¡¼¥È 9 ¤ØÁ÷¤é¤ì¤Þ¤¹¡£¤³¤ì¤òÄä»ß¤¹¤ë¤È NAS ¤Ï 300 Éøå¤Ë¥·¥ã¥Ã¥È¥À¥¦¥ó¤·¤Þ¤¹¡£NAS Power Management Service ¤òºÆÅÙµ¯Æ°¤¹¤ë¤È Magic Packet ¤¬¥Ý¡¼¥È 9 ¤ØÁ÷¤é¤ì¡¢NAS ¤Ïµ¯Æ°¤·¤Þ¤¹¡£

¤Á¤Ê¤ß¤Ë NAS ¤Î WOL ¤Ë¤Ä¤¤¤ÆÀâÌÀ½ñ¤Ë¤Ï¡¢¥Ý¡¼¥È 2304 ¤òÂÔ¤Á¼õ¤±¤Æ¤¤¤ë¤È½ñ¤«¤ì¤Æ¤¤¤Þ¤¹¡£¼ÂºÝ¤Ë¤Ï¥Ý¡¼¥È 9 ¤Ç¤âµ¯Æ°¤Ç¤­¤Þ¤¹¤±¤É¤Í¡£

 

¤Ä¤Þ¤ê¡¢ubuntu ¤Ç¤â 150 ÉÃ´Ö³Ö¤Ç Magic Paket ¤òÁ÷¤ê³¤±¤ì¤Ð¤¤¤¤¤ó¤¸¤ã¤Ê¤¤¤Î¤ó¡©

 

¥¹¥¯¥ê¥×¥È naspoweron.sh ¤ò½ñ¤¤¤Æ¤ß¤Þ¤·¤¿¡£

#! /bin/bash

while true

do

  for i in `seq 3`

  do

    wakeonlan -i 192.168.1.xx -p 9 AA:BB:CC:DD:EE:FF

  done

  sleep 150s

done

¤³¤ì¤ò ubuntu µ¡¤Ç¼Â¹Ô¤¹¤ë¤È NAS ¤¬µ¯Æ°¡¢150 É䪤­¤Ë Magic Paket ¤¬Á÷¿®¤µ¤ì¤Æ NAS ¤Ï²ÔƯ¤·Â³¤±¤Æ¤¯¤ì¤Þ¤·¤¿¡£

 

¤Ç¤Ï¤³¤Î¥¹¥¯¥ê¥×¥È¤ò ubuntu server ¤Ë»Å¹þ¤ó¤¸¤ã¤¤¤Þ¤·¤ç¤¦¡£¤½¤¦¤¹¤ì¤Ð¥µ¡¼¥Ð¡¼¤¬µ¯Æ°¤¹¤ì¤Ð NAS ¤âµ¯Æ°¤¹¤ë¤è¤¦¤Ë¤Ç¤­¤Þ¤¹¡£¥¹¥¯¥ê¥×¥È¤ò¼«Æ°µ¯Æ°¤µ¤»¤ëÊýË¡¤Ï¤¤¤¯¤Ä¤«¤¢¤ë¤è¤¦¤Ç¤¹¤¬¡¢¥µ¡¼¥Ð¡¼¤Î¼«Æ°¥·¥ã¥Ã¥È¥À¥¦¥óÍÑ¤Ë crontab ¤ò»È¤Ã¤Æ¤¤¤ë¤Î¤Ç¡¢¤³¤ì¤òÍøÍѤ¹¤ë¤³¤È¤Ë¤·¤Þ¤¹¡£

 

$ sudo crontab -e

 

¼¡¤Î°ì¹Ô¤òÄɲä·¤Þ¤¹¡£

 

@reboot /home/hoge/naspoweron.sh


¥Ñ¥±¥Ã¥È¤ÎÁ÷½Ð¤ò³Îǧ¤¹¤ë¤Ë¤Ï tcpdump ¤ò»È¤¤¤Þ¤¹¡£

 

$ sudo tcpdump host 192.168.1.xx

 

¥¯¥é¥¤¥¢¥ó¥È¤Î ubuntu desktop 18.04 ¤Ç¤Ï¡Ö¼«Æ°µ¯Æ°¤¹¤ë¥¢¥×¥ê¥±¡¼¥·¥ç¥ó¤ÎÀßÄê¡×¤ËÄɲ乤ì¤ÐÎɤ¤¤Ç¤¹¤Í¡£

¤Ç¤Ï¤·¤Ð¤é¤¯»È¤Ã¤Æ¤ß¤Æ¡¢¤É¤¦¤Ê¤ë¤«¤ß¤Æ¤ß¤è¤¦ (¥È¥é¥ó¥×»áÉ÷¤Ë (^_^;) )

 


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  1. ¥¿¥¹¥¯¥È¥ì¥¤¤Î¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥¤¥³¥ó¤Ï¡Ö¥¤¥ó¥¿¡¼¥Í¥Ã¥È¥¢¥¯¥»¥¹¤Ê¤·¡×ɽ¼¨¤Ç¤¹¡£
  2. ¤Þ¤º¤Ï¥³¥Þ¥ó¥É¥×¥í¥ó¥×¥È¤«¤é¡Ö ipconfig /all ¡×¤·¤Æ¤ß¤Þ¤¹¡£¥Ñ¥½¥³¥ó¤ÎIP¥¢¥É¥ì¥¹¤Ï DHCP ¤«¤é¤Î¼«Æ°¼èÆÀ¤Ç 192.168.1.18 / 24 ¡¢¥Ç¥Õ¥©¥ë¥È¥²¡¼¥È¥¦¥§¥¤¤È DNS ¤Ï 192.168.1.1 ¤Ç¤·¤¿¡£
  3. ¥³¥Þ¥ó¥É¥×¥í¥ó¥×¥È¤«¤é¡Ö ping 192.168.1.1 ¡×¤ÈÆþÎϤ¹¤ë¤È±þÅú¤¬¤¢¤ê¤Þ¤·¤¿¡£
  4. ¥ë¡¼¥¿¡¼¤Ï NTT ¤Î OG400X ¤Ç¡¢PPP ¥é¥ó¥×¤ÏÅÀÅô¤·¤Æ¤¤¤Þ¤¹¡£¥Ö¥é¥¦¥¶¤«¤é¡Ö http://192.168.1.1 ¡×¤Ø¥¢¥¯¥»¥¹¤·¤Æ¥ë¡¼¥¿¡¼¤Î¾õÂÖ¤ò³Îǧ¤¹¤ë¤È¡¢¥×¥í¥Ð¥¤¥À¤Ø¤ÏÀµ¾ï¤ËÀܳ¤Ç¤­¤Æ¤¤¤ë¤è¤¦¤Ç¤¹¡£
  5. ¥³¥Þ¥ó¥É¥×¥í¥ó¥×¥È¤«¤é¡Ö ping 8.8.8.8 ¡×¤ÈÆþÎϤ¹¤ë¤È Google Public DNS ¤«¤é¤Î±þÅú¤¬¤¢¤ê¤Þ¤¹¡£¤¬¡¢¡Öping www.google.co.jp ¡×¤È¤¹¤ë¤È¥Û¥¹¥È¤¬¸«¤Ä¤«¤é¤Ê¤¤¤È¤Î¤³¤È¡£¤É¤¦¤ä¤é̾Á°²ò·è¤¬¤Ç¤­¤Æ¤¤¤Ê¤¤¤è¤¦¤Ç¤¹¡£
  6. ¥ë¡¼¥¿¡¼¤ÎÀܳ¾õ¶·¤«¤é¥×¥í¥Ð¥¤¥À¤Î DNS ¥µ¡¼¥Ð¡¼¤Î¥¢¥É¥ì¥¹¤ò³Îǧ¤· ping ¤·¤Æ¤ß¤ë¤È±þÅú¤¬¤¢¤ê¤Þ¤¹¡£
  7. ¥Í¥Ã¥È¥ï¡¼¥¯¥¢¥À¥×¥¿¤ÎÀßÄê¤Ï DNS ¤â¼«Æ°¼èÆÀ¤Ë¤Ê¤Ã¤Æ¤¤¤Þ¤·¤¿¤Î¤Ç¡¢¥×¥í¥Ð¥¤¥À¤Î DNS ¥µ¡¼¥Ð¡¼¥¢¥É¥ì¥¹¤òÀßÄꤷ¤Æ¤ß¤ë¤È¸«»ö¤Ë·Ò¤¬¤ê¤Þ¤·¤¿¡£¥×¥í¥Ð¥¤¥À¤Î DNS ¥µ¡¼¥Ð¡¼¤ÏÀµ¾ï¤Ë²ÔƯ¤·¤Æ¤¤¤ë¤è¤¦¤Ç¤¹¡£
  8. ¤È¤¤¤¦¤³¤È¤Ç¡¢¤É¤¦¤ä¤é¥ë¡¼¥¿¡¼¤Î DNS ¤¬¤¦¤Þ¤¯Æ¯¤¤¤Æ¤¤¤Ê¤¤¤è¤¦¤Ç¤¹¡£½èÃ֤ϥ롼¥¿¡¼¤ÎºÆµ¯Æ°¡£Àµ¾ï¤ËÀܳ¤Ç¤­¤ë¤è¤¦¤Ë¤Ê¤ê¡¢¤á¤Ç¤¿¤·¤á¤Ç¤¿¤· (^_^;)

 

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¢£ubuntu 18.04 / ¶¦Í­¥Ç¥£¥ì¥¯¥È¥ê¤ò¼«Æ°¥Þ¥¦¥ó¥È

¥Õ¥¡¥¤¥ë¥µ¡¼¥Ð¡¼ (NAS) ¤Î¶¦Í­¥Ç¥£¥ì¥¯¥È¥ê¤ò¼«Æ°¥Þ¥¦¥ó¥È¤·¤Æ¤ª¤¯¤è¤¦¤Ë¤·¤Þ¤¹¡£

 

´ðËÜŪ¤Ë¤Ï²áµîµ­»ö Ubuntu / ¥Í¥Ã¥È¥ï¡¼¥¯¥×¥ì¡¼¥¹¤ò¼«Æ°¥Þ¥¦¥ó¥È ¤Ç¤¤¤±¤Þ¤¹¤¬¡¢¤³¤Î¤Þ¤Þ¤Ç¤Ï NAS ¤ò¥Þ¥¦¥ó¥È¤Ç¤­¤Þ¤»¤ó¤Ç¤·¤¿¤Î¤Ç°ìÉô½¤Àµ¤·¤Þ¤·¤¿¡£
 

¥Õ¥¡¥¤¥ë¥µ¡¼¥Ð¡¼ (NAS) ¡§ 192.168.1.10
¶¦Í­¥Ç¥£¥ì¥¯¥È¥ê ¡§ userdir
¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È ¡§ /mnt/nas
¥æ¡¼¥¶¡¼Ì¾ ¡§ nasuser
¥Ñ¥¹¥ï¡¼¥É ¡§ naspasswd


¤Þ¤º cifs-utils ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤Þ¤¹¡£
 

$ sudo apt install cifs-utils


¤Ä¤®¤Ë¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤òºîÀ®¤·¤Þ¤¹¡£¥Þ¥¦¥ó¥È¥Ý¥¤¥ó¥È¤Ï¡¢¥Þ¥¦¥ó¥È¤¹¤ë¶¦Í­¥Ç¥£¥ì¥¯¥È¥ê¤ò³ÊǼ¤¹¤ë¾ì½ê¤Ç¤¹¡£
 

$ sudo mkdir /mnt/nas

 

»ñ³Ê¾ðÊó¥Õ¥¡¥¤¥ë passwd.user ¤òºîÀ®¤·¤Þ¤¹¡£¥Õ¥¡¥¤¥ë̾¤ÏǤ°Õ¤Ç¤¹¡£
 

$ sudo vi /etc/passwd.user


»ñ³Ê¾ðÊó¥Õ¥¡¥¤¥ë¤Ë¥æ¡¼¥¶¡¼Ì¾¤È¥Ñ¥¹¥ï¡¼¥É¤òµ­½Ò¤·¤Þ¤¹¡£
 

username=nasuser
password=naspasswd


¥Õ¥¡¥¤¥ë¤¬¤Ç¤­¤¿¤é¥ª¡¼¥Ê¡¼¤È¥Ñ¡¼¥ß¥Ã¥·¥ç¥ó¤òÊѹ¹¤·¡¢root °Ê³°¤¬Æɤ߽ñ¤­¤Ç¤­¤Ê¤¤¤è¤¦¤Ë¤·¤Þ¤¹¡£
 

$ sudo chown root:root /etc/passwd.user
$ sudo chmod 600 /etc/passwd.user


/etc/fstab ¤òÊÔ½¸¤·¤Þ¤¹¡£
 

$ sudo vi /etc/fstab


¼¡¤Î°ì¹Ô¤òÄɲä·¤Þ¤¹¡£
 

//192.168.1.10/userdir /mnt/nas cifs vers=1.0,credentials=/etc/passwd.user,uid=1000,gid=1000,rw,defaults 0 0

 

²æ¤¬²È¤Î NAS ¤ò¥Þ¥¦¥ó¥È¤¹¤ë¤¿¤á¤Ë¤Ï vers=1.0 ¤¬É¬ÍפǤ·¤¿¡£NAS ¤Î cifs ¥Ð¡¼¥¸¥ç¥ó¤¬¸Å¤¤¤¿¤á¤À¤½¤¦¤Ç¤¹¡£

rw ¤ÏÆɤ߽ñ¤­¥â¡¼¥É¡¢defaults ¤Ï¥Þ¥¦¥ó¥È¥ª¥×¥·¥ç¥ó¡¢¼¡¤Î 0 ¤Ï dump ¥Õ¥é¥°¡¢ºÇ¸å¤Î 0 ¤Ï fsck ¥Á¥§¥Ã¥¯¤ò¤·¤Ê¤¤¡¢¤È¤¤¤¦¤³¤È¤Ç¤¹¡£

¥µ¡¼¥Ð¡¼µ¯Æ°»þ¤Ë¥Þ¥¦¥ó¥È¤·¤Þ¤¹¤¬¡¢NAS ¤¬µ¯Æ°¤·¤Æ¤¤¤Ê¤¤¤Ê¤É¤Ç¥Þ¥¦¥ó¥È¤Ç¤­¤Ê¤«¤Ã¤¿¾ì¹ç¤Ï

 

$ sudo mount -a

 

¤Ç¥Þ¥¦¥ó¥È¤Ç¤­¤Þ¤¹¡£

¥¢¥ó¥Þ¥¦¥ó¥È¤·¤¿¤¤¤È¤­¤Ï

 

$ sudo umount /mnt/nas

 

¤Ç¤¹¡£

 


¢£Windows10 / ubuntu18.04 / UEFI¥â¡¼¥É¤Ç¥Ç¥å¥¢¥ë¥Ö¡¼¥È

CPU: Core i5-4590 3.3GHz / Memory: 8GB / HDD: 500GB ¤Î¥Ñ¥½¥³¥ó¤Ë Windows10 ¤È ubuntu18.04 ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¡¢¥Ç¥å¥¢¥ë¥Ö¡¼¥È¤µ¤»¤ë¤³¤È¤Ë¤·¤Þ¤¹¡£²¶¤¬ÉáÃʻȤäƤ¤¤ë ubuntu µ¡¤Î¸å·Ñ¤È¤¹¤ëͽÄê¤Ç¤¹¡£

 

¤Þ¤º¤Ï Windows10 64bit ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤Þ¤¹¡£ËèÅ٤Τ褦¤Ë¥¤¥ó¥¹¥È¡¼¥ë DVD ¤«¤é¼Â¹Ô¤·¤Æ¤¤¤±¤Ð¡¢ÌäÂê¤Ê¤¯¥¤¥ó¥¹¥È¡¼¥ë¤Ç¤­¤Þ¤¹¤Í¡£Æñ¤·¤¤¤³¤È¤Ï¤¢¤ê¤Þ¤»¤ó¡£

¥¤¥ó¥¹¥È¡¼¥ë¤¬´°Î»¤·¤¿¤é¡Ö¥Ç¥£¥¹¥¯¤Î´ÉÍý¡×¤òµ¯Æ°¤·¡¢C ¥É¥é¥¤¥Ö¤Ë¤¢¤¿¤ë¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤ò½Ì¾®¤·¤Þ¤¹¡£Ìó 260GB ¤Ë½Ì¾®¤Ç¤­¤¿¤Î¤Ç¡¢ubuntu ÍѤËÌó 100GB ¡¢¶¦Í­¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤È¤·¤ÆÌó 130GB ¤¬³ÎÊݤǤ­¤Þ¤·¤¿¡£¶¦Í­¥Ñ¡¼¥Æ¥£¥·¥ç¥ó¤Ï Windows10 ¤È ubuntu ¤È¤Ç¶¦Í­¤·¤Æ»È¤¦¾ì½ê¤Ç¡¢ºî¤Ã¤Æ¤ª¤¯¤È¤Ê¤Ë¤«¤ÈÊØÍø¤Ç¤¹¡£

 

¼¡¤Ï ubuntu18.04 LTS ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤·¤Þ¤¹¡£¤³¤Á¤é¤Ï 64bit ¤Î¤ß¤Ç¤¹¤Í¡£

Windows ¤È¤Î¥Ç¥å¥¢¥ë¥Ö¡¼¥È¤â²¿ÅÙ¤â¤ä¤Ã¤Æ¤¤¤ë¤³¤È¤Ê¤Î¤Ç¡¢¤¤¤Ä¤â¤Î¤è¤¦¤Ë¥¤¥ó¥¹¥È¡¼¥ë DVD ¤«¤éµ¯Æ°¤·¤Æ¿Ê¤á¤Æ¤¤¤­¤Þ¤¹¡£¤¬¡¢¤¢¤ì¡©¥¤¥ó¥¹¥È¡¼¥ë¥Ü¥¿¥ó¤ò¥¯¥ê¥Ã¥¯¤¹¤ë¤È¥Ö¡¼¥ÈÎΰ褬¤Ê¤ó¤È¤«¤«¤ó¤È¤«Ê¸¶ç¸À¤Ã¤Æ¤­¤Þ¤¹¡£²¿¤«´Ö°ã¤¨¤Æ¤¤¤ë¤Î¤«¤ÈǺ¤à¤³¤È°ìÈÕ (^_^;)

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Windows10 64bit ¤ò¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë¤È UEFI ¤Ë¤Ê¤ê¤Þ¤¹¡£²¶¤Î¸Å¤¤Æ¬¤Ï¡¢¤³¤Î UEFI ¤È¤¤¤¦¤â¤Î¤ò¤è¤¯Íý²ò¤·¤Æ¤¤¤Ê¤¤¡£UEFI ¤Î¥Ñ¥½¥³¥ó¤Ç DVD ¤«¤éµ¯Æ°¤¹¤ë¤¿¤á¤Ë¤Ï BIOS ¤Ç¥ì¥¬¥·¡¼¥â¡¼¥É¤Ë¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡¢¤È¤¤¤¦ÄøÅÙ¤ÎÃμ±¡£º£²óµ¯Æ°¥â¡¼¥É¤ò¤·¤Ã¤«¤ê¸«¤Æ¤ß¤¿¤é UEFI ¤Î DVD ¥É¥é¥¤¥Ö¤È¤¤¤¦¤â¤Î¤¬Â¸ºß¤·¤Æ¤¤¤Þ¤·¤¿¡£¤³¤Î¥É¥é¥¤¥Ö¤òÁªÂò¤·¤Æµ¯Æ°¤¹¤ë¤È UEFI ¤Ç¥¤¥ó¥¹¥È¡¼¥ë¤µ¤ì¡¢¥Ö¡¼¥È¤Ï EFI ¤¬´ÉÍý¤¹¤ë¡¢¤È¡£¤Þ¤¡º£²ó¤Ï¤½¤ÎÄøÅÙ¤Ç (^_^;)¡¡µ¡²ñ¤ò¤ß¤Ä¤±¤ÆÊÙ¶¯¤·¤Þ¤·¤ç¡£

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¤µ¤Æ¡¢¥Ö¡¼¥È¥í¡¼¥À¤¬µ¯Æ°¤·¤¿¤é Install Ubuntu ¤òÁªÂò¤·¥¤¥ó¥¹¥È¡¼¥ë¤ò¿Ê¤á¤Þ¤¹¡£´ðËÜŪ¤Ë¤Ï¤³¤ì¤Þ¤Ç¤ÈÊѤï¤ê¤¢¤ê¤Þ¤»¤ó¤Í¡£Æñ¤·¤¤¤³¤È¤Ï¤Ê¤¤¤Ç¤¹¡£

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