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µð½ºÅ© ÄõÅÍ(quota) (3, ±Û 1, ÀÚ·á 3)
µð½ºÅ© °ü¸® / ÆÄÀϽýºÅÛ / mount (34, ±Û 13, ÀÚ·á 12)
¹é¾÷(backup) / ½Ã½ºÅÛ º¹±¸ (14, ±Û 6, ÀÚ·á 11)
¼­¹ö¿î¿µ (8, ±Û 2, ÀÚ·á 9)
ÇÁ¸°ÅÍ °ü¸® / ÇÁ¸°Æà (7)
ÆÐÅ°Áö °ü¸® / ÆÐÄ¡ / rpm (10, ±Û 5, ÀÚ·á 1)
ºÎÆÃ, boot / LILO / GRUB (10, ±Û 5, ÀÚ·á 9)
¼­¹ö ¸ð´ÏÅ͸µ (10, ±Û 5, ÀÚ·á 2)
·Î±×ÀÎ / ·Î±×¾Æ¿ô (1)
·Î±×(log) / syslog (5, ±Û 3, ÀÚ·á 3)
¸Þ¸ð¸®, ½º¿Ò(swap), ·¥µð½ºÅ©(ramdisk) (3, ±Û 2)
»ç¿ëÀÚ °ü¸®(°èÁ¤ °ü¸®) (1, ÀÚ·á 1)

  MegaRAID¿ë Megacli ¸í·É »ç¿ëÇϱâ ÀÛ¼ºÀÏ : 2011/08/10 19:16
 
  • ±Û¾´ÀÌ : ÁÁÀºÁøÈ£ ( http://coffeenix.net/ )
  • Á¶È¸¼ö : 36545
          [ ÀÌÀüÈ­¸é / ¼öÁ¤ ]   ºñ¹Ð¹øÈ£ :     Àμâ¿ë È­¸é
      Á¦  ¸ñ : MegaRAID¿ë Megacli ¸í·É »ç¿ëÇϱâ
    ÀÛ¼ºÀÚ : ÁÁÀºÁøÈ£(truefeel, http://coffeenix.net/ )
    ÀÛ¼ºÀÏ : 2011.8.8(¿ù)

    Dell¼­¹ö¿¡¼­´Â LSIÀÇ MegaRAID¸¦ »ç¿ëÇÑ´Ù. MegaCLI¸í·ÉÀ» »ç¿ëÇϸé, RAID±¸¼º ¹× µð½ºÅ© Á¤º¸¸¦ ½±°Ô ¾òÀ» ¼ö ÀÖ´Ù.


    1. MegaCLI ¼³Ä¡

    ¸®´ª½º´Â LSI»çÀÌÆ®¿¡¼­ ¹Þ¾Æ ¼³Ä¡ÇÑ´Ù.
    - http://www.lsi.com/search/pages/default.aspx -> Product¿¡¼­ RAID Controllers ¼±ÅÃ, OS¿¡¼­ Linux ¼±ÅÃ
    FreeBSD´Â /usr/ports/sysutils/megacli/ ¿¡¼­ port ¼³Ä¡ÇÏ¸é µÈ´Ù.


    2. MegaCLI ¸í·ÉÀ¸·Î Á¤º¸ ¾ò±â

    1) ¹°¸®Àû µð½ºÅ©(Physical Drive, PD) Á¤º¸
       ./MegaCli -PDList -aALL

     
    ... »ý·« ...
    Enclosure Device ID: 32
    Slot Number: 3
    Enclosure position: 0
    Device Id: 3
    Sequence Number: 2                                    <-- slot ¹øÈ£
    Media Error Count: 0
    Other Error Count: 0
    Predictive Failure Count: 0
    Last Predictive Failure Event Seq Number: 0
    PD Type: SAS
    Raw Size: 136.732 GB [0x11177328 Sectors]
    ... »ý·« ...
    Inquiry Data: SEAGATE ST9146852SS     ___»ý·«___      <-- Disk º¥´õ¸í, Á¦Ç°¸í°ú ½Ã¸®¾ó¹øÈ£(»ý·« ºÎºÐ)°¡ Ç¥½ÃµÈ´Ù.
    ... »ý·« ...
    Drive Temperature :27C (80.60 F)                      <-- ¿Âµµ
    ... »ý·« ...
     


    2) ³í¸®Àû µð½ºÅ©(Logical Drive,  LD) Á¤º¸
       ./MegaCli -LDInfo -Lall -aALL

     
    ... »ý·« ...
    RAID Level          : Primary-5, Secondary-0, RAID Level Qualifier-3  <-- RAID5
    Size                : 408.375 GB
    State               : Optimal
    Strip Size          : 64 KB
    Number Of Drives    : 4                                        <-- Disk 4°³¸¦ RAID5·Î ¹­À½
    Span Depth          : 1
    Default Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU
    Current Cache Policy: WriteBack, ReadAheadNone, Direct, No Write Cache if Bad BBU
    ... »ý·« ...
     


    À§ Cache Policy ºÎºÐ¿¡¼­ ij½Ã Á¤Ã¥À» Ç¥½ÃÇÑ´Ù.
    - 'WriteBack'Àº ij½Ã¿¡ ÀúÀåµÇ¸é Àü¼Û ¿Ï·á ½ÅÈ£¸¦ º¸³½´Ù.
      ¸¸¾à Àü¿ø °ø±ÞÀÌ °©ÀÚ±â ÁߴܵǸé RAIDÀÇ ¹èÅ͸®(BBU)°¡ ij½Ã ³»¿ëÀ» À¯Áö½ÃÄÑÁØ´Ù. (BBUÀÇ Á¤º¸ È®Àιæ¹ýÀº µÚ¿¡¼­ ¼³¸í)
    - 'WriteThrough'Àº µð½ºÅ©¿¡ ÀúÀåµÇ¸é Àü¼Û ¿Ï·á ½ÅÈ£¸¦ º¸³½´Ù.

    MegaCli´Â °á°ú¸¦ È­¸é¿¡µµ Ãâ·ÂÇÏ´Â °Í ¿Ü¿¡ ÇöÀç µð·ºÅ丮¿¡ ·Î±×ÆÄÀϷεµ ³²±ä´Ù.
    ·Î±×°¡ ³²Áö ¾Êµµ·Ï ÇÏ·Á¸é -NoLog¿É¼Ç(´ë¼Ò¹®ÀÚ ±¸º° ¾øÀ½)À» Ãß°¡ÇÏ¸é µÈ´Ù. °³ÀÎÀûÀ¸·Î -NoLog ¿É¼ÇÀ» »ç¿ëÁßÀÌ´Ù.
    ¿É¼ÇÀº ´ë¼Ò¹®ÀÚ¸¦ ±¸ºÐÇÏÁö ¾Ê´Â´Ù. -LDInfo ¿Í -ldinfo´Â °°´Ù.

    3) ¹°¸®Àû, ³í¸®Àû µð½ºÅ© Á¤º¸¸¦ ¸ðµÎ
       ./MegaCli -LDPDInfo -aALL

    4) À̺¥Æ® ·Î±×¸¦ È®ÀÎ
       ./MegaCli -AdpEventLog -GetEvents -f raid_event.log -aALL

       raid_event.log¸¦ »ìÆ캸¸é µÈ´Ù.

    5) Enclosure Á¤º¸
       ./MegaCli -EncInfo -aALL

     
    ... »ý·« ...
        Enclosure 0:
        Device ID                     : 32
        Number of Slots               : 6   <-- Disk¸¦ ÀåÂøÇÒ ¼ö ÀÖ´Â slotÀÌ 6°³
        Number of Power Supplies      : 0
        Number of Fans                : 0
        Number of Temperature Sensors : 0
        Number of Alarms              : 0
        Number of SIM Modules         : 0
        Number of Physical Drives     : 4   <-- 6°³ Áß¿¡ 4°³ Disk°¡ ÀåÂøµÊ
    ... »ý·« ...
     


    6) Adapter Á¤º¸
       ./MegaCli -AdpAllInfo -aALL

    7) °£´ÜÇÑ ¿ä¾à Á¤º¸ (Controller Á¤º¸, PD(Physical Drive), VD(Virtual Drive) Á¤µµ µî)
       ./MegaCli -ShowSummary -aALL

    8) Battery Backup Unit(BBU) Á¤º¸
       ./MegaCli -AdpBbuCmd -aALL


    * MegaCLI °á°ú ¿¹
    * °£´ÜÇÑ MegaCLI ½ºÅ©¸³Æ® ³»·Á¹Þ±â


    3. ¿¡·¯ ÆľÇÇϱâ

    ./MegaCli -PDList -aALL ¸í·ÉÀ¸·Î ¹°¸®Àû µð½ºÅ© Á¤º¸¸¦ »ìÆ캻´Ù. Media Error Count, Other Error Count, Predictive Failure Count, Last Predictive Failure Event Seq Number µîÀÇ ¼öÄ¡°¡ 0º¸´Ù Å©´Ù¸é, ÇØ´ç µð½ºÅ©¿¡ ¹®Á¦°¡ ÀÖÀ» °¡´É¼ºÀÌ ³ôÀ¸´Ï ±³Ã¼Çϱ⠹ٶõ´Ù.

    (¿¹ 1)

     
    Slot Number: 0                                    <-- slot ¹øÈ£. ÀÌ slot¹øÈ£¸¦ È®ÀÎÇص״ٰ¡ ±³Ã¼ÇÏ¸é µÈ´Ù.
    Enclosure position: 0
    Device Id: 0
    Sequence Number: 2
    Media Error Count: 155                            <-- 0º¸´Ù Å©´Ù.
    Other Error Count: 0
    Predictive Failure Count: 0
    Last Predictive Failure Event Seq Number: 0
     


    (¿¹ 2)

     
    Slot Number: 3
    Enclosure position: 0
    Device Id: 3
    Sequence Number: 2
    Media Error Count: 58098                          <-- 0º¸´Ù Å©´Ù.
    Other Error Count: 0
    Predictive Failure Count: 524                     <-- 0º¸´Ù Å©´Ù.
    Last Predictive Failure Event Seq Number: 75013   <-- 0º¸´Ù Å©´Ù.
     



    4. Âü°í ÀÚ·á

    * DELL PERC5/i Integrated (LSI Logic MegaRAID)
      http://tools.rapidsoft.de/perc/perc-cheat-sheet.html
    * MegaCli -h ¿É¼Ç
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    [ ÇÔ²²ÇÏ´Â »çÀÌÆ® ]




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