RS/6000/AIX °ü·Ã °Ô½ÃÆÇ

2001/05/22(13:09) from 210.117.182.153
ÀÛ¼ºÀÚ : °­ÁÙ±â (jkkang65@hanmail.net) Á¶È¸¼ö : 3534 , ÁÙ¼ö : 124
[AIX] AIX¿¡¼­ Disk Quota(ÄõÅÍ)¼³Á¤ ¹æ¹ý
ÀÌ ¹®¼­´Â Á¦°¡ Disk Quota ¼³Á¤¿¡ ´ëÇؼ­ °øºÎÇϸ鼭 ½ÀµæÇÑ °æÇèÀ» Ãʺ¸Àڵ鵵 ½±°Ô º¸°í ¹è¿ï¼ö ÀÖµµ·Ï ¸¸µç ¹®¼­ÀÔ´Ï´Ù. Àúµµ Disk Quota¸¦ °øºÎÇϸ鼭 ¸¹Àº ½ÃÇàÂø¿À¸¦ °Þ¾î¼­ ÀÌ ¹®¼­·Î ÇÏ¿©±Ý ´Ù¸¥ºÐµéÀº ½±°Ô Á¢ÇÒ¼ö ÀÖµµ·Ï µµ¿òÀ» ÁÖ°íÀÚ ÇÕ´Ï´Ù.


1. chfs -a quota=userquota,groupquota /home

À§¿Í °°Àº ¸í·É¾î¸¦ ¼öÇà½ÃÄÑ quota¸¦ Àû¿ëÇÏ°íÀÚ ÇÏ´Â filesystemÀÇ Æ¯¼ºº¯°æ
/etc/filesystemsÀÇ ³»¿ëÀ» È®ÀÎÇØ º¸¸é ´ÙÀ½°ú °°ÀÌ ³ªÅ¸³².

/:
      dev             = /dev/hd4
      vfs             = jfs
      log             = /dev/hd8
      mount           = automatic
      check           = false
      type            = bootfs
      vol             = root
      free            = true

/home:
      dev             = /dev/hd1
      vfs             = jfs
      log             = /dev/hd8
      mount           = true
      check           = true
      vol             = /home
      free            = false
      quota           = userquota,groupquota


2. edquota -u lion (-u : User¿¡°Ô ÇÒ´çÇϱâ, -g : Group¿¡°Ô ÇÒ´çÇϱâ)

quota¸¦ Àû¿ëÇÏ°íÀÚÇÏ´Â userÀÇ È¯°æ¼³Á¤

Quotas for user lion:
/home: blocks in use: 6523, limits (soft = 10000, hard = 11000)
      inodes in use: 496, limits (soft = 1000, hard = 1100)

@ blocks in use : ÇöÀç±îÁö »ç¿ëÇÏ°í ÀÌ´Â ºí·Ï(1KB = 1024)ÀÇ ¼ö¸¦ ÀǹÌÇÑ´Ù. ½±°Ô »ý°¢Çϸé 6523Àº Á¶±Ý Â÷ÀÌ´Â ÀÖÁö¸¸ ¾à 6.5 MB Á¤µµ¶óµµ »ý°¢ÇÏ¸é µÈ´Ù. ¹°·Ð ÀÌ °ªÀº ½Ç½Ã°£À¸·Î Ãâ·ÂµÇ´Â °ÍÀº ¾Æ´Ï¸ç, # quotacheck -v -a¸¦ ÅëÇØ ¾÷µ¥ÀÌÆ®µÇ´Â °ªÀÌ´Ù.

@ inodes in use : ÇöÀç±îÁö »ç¿ëÇÏ°í ÀÖ´Â ¾ÆÀ̳ëµå(ÆÄÀÏ)ÀÇ °¹¼ö¸¦ ÀǹÌÇÑ´Ù. À§ÀÇ ¿¹Á¦¿¡¼­´Â ÆÄÀÏÀÇ °¹¼ö¸¦ 1000°³·Î Á¦ÇÑÇÏ¿´´Ù.

@ Soft Limit (limits = 0 °ú°°ÀÌ ¼³Á¤°ªÀÌ 0À̸é ÄõÅ͸¦ Çϳªµµ ÇÒ´çÇÏÁö ¾Ê¾Ò´Ù´Â ¶æÀÌ ¾Æ´Ï¶ó ÄõÅÍ Á¦ÇÑÀÌ ¾ø´Ù´Â ¶æÀÌ´Ù.)
Soft limitÀº ÇÑ ÆÄƼ¼Ç¿¡¼­ »ç¿ëÀÚ°¡ ¾µ ¼ö ÀÖ´Â ÃÖ´ë ¿ë·®À» °¡¸®Å²´Ù. ±×·¯³ª À¯¿¹ ±â°£(grace period) ³»¿¡ À־´Â »ç¿ëÀÚ´Â »ç¿ë ¿ë·® ÃÊ°ú¿¡ ´ëÇؼ­ °æ°í¸¦ ¹Þ°Ô µÇ´Â °æ°è¼±Ã³·³ µ¿ÀÛÇÑ´Ù.

@ Hard Limit
Hard limitÀº À¯¿¹ ±â°£(grace period)ÀÌ ¼³Á¤µÇ¾î ÀÖÀ» ¶§¿¡¸¸ µ¿ÀÛÇÑ´Ù. ÀÌ°ÍÀº µð½ºÅ© »ç¿ë¿¡ À־ Àý´ëÀûÀÎ Á¦ÇÑÀ» ÀǹÌÇÑ´Ù. Áï, »ç¿ëÀÚ´Â hard limit ÀÌ»óÀÇ µð½ºÅ© °ø°£À» »ç¿ëÇÒ ¼ö ¾ø´Ù.

@ Grace Period
À¯¿¹ ±â°£Àº »ç¿ëÀÚÀÇ »ç¿ë ¿ë·®ÀÌ soft limit ¿ë·®À» ³ÑÀº ÈĺÎÅÍ Àû¿ëµÇ´Â ½Ã°£ Á¦ÇÑÀÌ´Ù. ½Ã°£Àº sec(onds), min(utes), hour(s), day(s), week(s), month(s) ´ÜÀ§·Î »ç¿ëÇÒ ¼ö ÀÖ´Ù. "edquota -t" ¸í·ÉÀ» ½ÇÇàÇϸé À¯¿¹ ±â°£À» º¸°Å³ª ¼öÁ¤ÇÒ ¼ö ÀÖ´Ù. Time units may be: days, hours, minutes, or seconds
Grace period before enforcing soft limits for users:
/dev/hda2: block grace period: 0 days, file grace period: 0 days

"0 days" ºÎºÐÀ» Àû´çÇÑ ±â°£À¸·Î ¹Ù²ãÁØ´Ù. °³ÀÎÀûÀ¸·Î´Â 7ÀÏ("7 days" ȤÀº "1 week")·Î ¼³Á¤ÇØ ÁÖ¾ú´Ù.



edquota -u lionÀ̶ó´Â ¸í·É¾î¸¦ ½ÇÇàÇϸé À§¿Í°°ÀÌ displayµÊ
block in useºÎºÐÀº 1K´ÜÀ§ÀÇ disk¿ë·®À», inodes in use´Â
fileÀÇ °¹¼ö¸¦ ³ªÅ¸³»¸ç soft´Â ÁöÁ¤ÇÑ Å©±â¸¦ ÃÊ°úÇϸé error´Â
¹ß»ýÇÏÁö¸¸ ÀÛ¾÷Àº Áö¼ÓÇÒ ¼ö ÀÖ´Â Å©±âÀ̸ç hard´Â ±× ÀÌ»óÀº
Àý´ë·Î ÃÊ°úÇÒ ¼ö ¾ø´Â Å©±âÀÓ

À§ÀÇ ³»¿ëÀ» editor·Î editÈÄ ÀúÀå

@ quota¼³Á¤À» ´Ù¸¥ user¿¡°Ô Àû¿ëÇϱâ.
# edquota -u -p user_src user_target


3. quotacheck -a


4. quotaon -a

À§¿Í °°Àº ÀÛ¾÷ÈÄ user lion¿¡°Ô ÁöÁ¤ÇÑ quota°¡ Àû¿ëµÊ.
# quotaon -u /home2
# quotaoff -v -u /home2


5. ±âŸ¸í·É¾î

5.1. Quotacheck
quotacheck´Â ÆÄÀÏ ½Ã½ºÅÛÀÇ µð½ºÅ© »ç¿ë »óŸ¦ °Ë»öÇϰųª quota ±â·Ï ÆÄÀÏÀÎ "quota.user" ÆÄÀÏÀ» ÃÖ±ÙÀÇ »óÅ·Π°»½ÅÇϱâ À§ÇØ »ç¿ëÇÑ´Ù. quotacheck¸¦ ½Ã½ºÅÛÀ» ºÎÆÃÇÒ ¶§³ª Á¤±âÀûÀ¸·Î(¿¹¸¦ µé¾î, ÀÏÁÖÀÏ¿¡ Çѹø) cronjobÀ» ÅëÇؼ­ ½ÇÇàÇÒ °ÍÀ» ±ÇÇÑ´Ù.

5.2. Repquota
repquota´Â ÆÄÀÏ ½Ã½ºÅÛÀÇ quota¸¦ Á¤¸®Çؼ­ º¸¿©ÁØ´Ù. ´ÙÀ½Àº repquota°¡ Ãâ·ÂÇÏ´Â ¿¹Á¦ÀÌ´Ù. # repquota -a
                               Block limits               File limits
       User            used    soft    hard  grace    used  soft  hard  grace
       root      --  175419       0       0          14679     0     0
       bin       --   18000       0       0            735     0     0
       uucp      --     729       0       0             23     0     0
       man       --      57       0       0             10     0     0
       user1     --   13046   15360   19200            806  1500  2250
       user2     --    2838    5120    6400            377  1000  1500


# repquota -u /u

The system prints the following information:
                 Block  limits                 File limits

User      used    soft    hard   grace   used   soft  hard  grace

root  --  3920     0       0             734     0     0

davec +-    28     8      30     3 days    3     0     0

keith --    48     0       0               7     0     0

The + printed in the first column next to davec indicates that the user has
exceeded established block limits. If there were a + in the second column, it
would indicate that the user had exceeded established file limits.



5.3. Quotaon°ú Quotaoff
quotaonÀº quota¸¦ °¡µ¿½Ãų ¶§ »ç¿ëÇÑ´Ù. ¹Ý´ë·Î quotaoff´Â ÁߴܽÃų ¶§ »ç¿ëÇÑ´Ù. ½ÇÁ¦·Î ÀÌ µÎ È­ÀÏÀº ºñ½ÁÇÏ´Ù. À̰͵éÀº ½Ã½ºÅÛÀÌ ºÎÆõǰųª Áß´ÜµÉ ¶§ ¼öÇàµÈ´Ù.


6. ÁÖÀÇ»çÇ×
# edquota -u username
# repquota -a
# quota -u username

ÇßÀ»¶§ º¸ÀÌÁö ¾ÊÀ¸¸é, # quotacheck -u -v -a ½ÇÇà, ÈÄ ±× usernameÀ¸·Î su¸¦ ÇÑ´ÙÀ½¿¡ # touch 333 »ý¼ºÇÑ ÈÄ ´Ù½ÃÇÏ¸é º¸ÀδÙ.

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