ioDrive2 Duo fio-status Áú¹® µå¸³´Ï´Ù.

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ioDrive2 Duo drive 두개를 DELL T7610에 장착해서 fio-status  커맨드로 상태를 확인 했습니다.

여기서 RAM usage 항목이 두개 각각의 ioDrive2 Duo drive 에 따라서 다르게 나옵니다.

RAM usage 의 의미가 무엇인가요?

이 "RAM usage"는 포맷 설정에 따라 달라지는 것인가요?

"RAM usage" 를 드라이브 마다 동일하게 하려면 어떻게 해야 하나요?


fct0, fct1

    RAM usage:
       Current: 452,976,960 bytes
       Peak   : 452,976,960 bytes


fct2, fct3
    RAM usage:
       Current: 1,266,797,760 bytes
       Peak   : 1,266,797,760 bytes


전체 파일은 아래와  같습니다.

Found 4 ioMemory devices in this system with 2 ioDrive Duos
Driver version: 3.2.14 build 1675


Adapter: Dual Controller Adapter
    HP 2410GB MLC PCIe ioDrive2 Duo for ProLiant Servers, Product Number:673648-B21, SN:3UN346F01C
    ioDrive2 Adapter Controller, PN:674328-001
    SMP(AVR) Versions: App Version: 1.0.33.0, Boot Version: 0.0.8.1
    External Power: connected
    PCIe Bus voltage: avg 11.88V
    PCIe Bus current: avg 1.77A
    PCIe Bus power: avg 21.02W
    PCIe Power limit threshold: Disabled
    PCIe slot available power: 75.00W
    PCIe negotiated link: 8 lanes at 5.0 Gt/sec each, 4000.00 MBytes/sec total
    Connected ioMemory modules:
      fct0:    Product Number:673648-B21, SN:1343D04BC-1121
      fct1:    Product Number:673648-B21, SN:1343D04BC-1111


fct0    Attached
    SN:1343D04BC-1121
    SMP(AVR) Versions: App Version: 1.0.29.0, Boot Version: 0.0.9.1
    Located in slot 1 Lower of ioDrive2 Adapter Controller SN:1343D04BC
    Powerloss protection: protected
    PCI:06:00.0, Slot Number:2
    Vendor:1aed, Device:2001, Sub vendor:1590, Sub device:70
    Firmware v7.1.17, rev 116786 Public
    1205.00 GBytes device size
    Format: v500, 2353515625 sectors of 512 bytes
    PCIe slot available power: 25.00W
    PCIe negotiated link: 4 lanes at 5.0 Gt/sec each, 2000.00 MBytes/sec total
    Internal temperature: 45.77 degC, max 61.03 degC
    Internal voltage: avg 1.02V, max 1.02V
    Aux voltage: avg 2.49V, max 2.50V
    Reserve space status: Healthy; Reserves: 100.00%, warn at 10.00%
    Active media: 100.00%
    Rated PBW: 17.00 PB, 99.69% remaining
    Lifetime data volumes:
       Physical bytes written: 53,073,006,514,880
       Physical bytes read   : 47,029,857,831,216
    RAM usage:
       Current: 452,976,960 bytes
       Peak   : 452,976,960 bytes
    Contained VSUs:
      fioa:    ID:0, UUID:1a6c8347-d031-481e-8ae1-36318719655d


fioa    State: Online, Type: block device
    ID:0, UUID:1a6c8347-d031-481e-8ae1-36318719655d
    1205.00 GBytes device size
    Format: 2353515625 sectors of 512 bytes


fct1    Attached
    SN:1343D04BC-1111
    SMP(AVR) Versions: App Version: 1.0.29.0, Boot Version: 0.0.9.1
    Located in slot 0 Upper of ioDrive2 Adapter Controller SN:1343D04BC
    Powerloss protection: protected
    PCI:07:00.0, Slot Number:2
    Vendor:1aed, Device:2001, Sub vendor:1590, Sub device:70
    Firmware v7.1.17, rev 116786 Public
    1205.00 GBytes device size
    Format: v500, 2353515625 sectors of 512 bytes
    PCIe slot available power: 25.00W
    PCIe negotiated link: 4 lanes at 5.0 Gt/sec each, 2000.00 MBytes/sec total
    Internal temperature: 49.22 degC, max 60.54 degC
    Internal voltage: avg 1.01V, max 1.02V
    Aux voltage: avg 2.49V, max 2.50V
    Reserve space status: Healthy; Reserves: 100.00%, warn at 10.00%
    Active media: 100.00%
    Rated PBW: 17.00 PB, 99.69% remaining
    Lifetime data volumes:
       Physical bytes written: 51,996,792,912,192
       Physical bytes read   : 45,786,200,526,144
    RAM usage:
       Current: 443,953,920 bytes
       Peak   : 446,387,520 bytes
    Contained VSUs:
      fiob:    ID:0, UUID:afe87aac-f621-4859-a6fc-13d09df955d4


fiob    State: Online, Type: block device
    ID:0, UUID:afe87aac-f621-4859-a6fc-13d09df955d4
    1205.00 GBytes device size
    Format: 2353515625 sectors of 512 bytes


Adapter: Dual Controller Adapter
    HP 2410GB MLC PCIe ioDrive2 Duo for ProLiant Servers, Product Number:673648-B21, SN:3UN246F07E
    ioDrive2 Adapter Controller, PN:674328-001
    SMP(AVR) Versions: App Version: 1.0.35.0, Boot Version: 0.0.8.1
    External Power: connected
    PCIe Bus voltage: avg 11.81V
    PCIe Bus current: avg 1.72A
    PCIe Bus power: avg 20.33W
    PCIe Power limit threshold: Disabled
    PCIe slot available power: 75.00W
    PCIe negotiated link: 8 lanes at 5.0 Gt/sec each, 4000.00 MBytes/sec total
    Connected ioMemory modules:
      fct2:    Product Number:673648-B21, SN:1242D9426-1121
      fct3:    Product Number:673648-B21, SN:1242D9426-1111


fct2    Attached
    SN:1242D9426-1121
    SMP(AVR) Versions: App Version: 1.0.29.0, Boot Version: 0.0.9.1
    Located in slot 1 Lower of ioDrive2 Adapter Controller SN:1242D9426
    Powerloss protection: protected
    PCI:0b:00.0, Slot Number:4
    Vendor:1aed, Device:2001, Sub vendor:1590, Sub device:70
    Firmware v7.1.17, rev 116786 Public
    1205.00 GBytes device size
    Format: v500, 2353515625 sectors of 512 bytes
    PCIe slot available power: 25.00W
    PCIe negotiated link: 4 lanes at 5.0 Gt/sec each, 2000.00 MBytes/sec total
    Internal temperature: 45.28 degC, max 61.52 degC
    Internal voltage: avg 1.01V, max 1.02V
    Aux voltage: avg 2.49V, max 2.50V
    Reserve space status: Healthy; Reserves: 100.00%, warn at 10.00%
    Active media: 100.00%
    Rated PBW: 17.00 PB, 98.31% remaining
    Lifetime data volumes:
       Physical bytes written: 286,868,961,505,072
       Physical bytes read   : 4,558,699,572,197,304
    RAM usage:
       Current: 1,266,797,760 bytes
       Peak   : 1,266,797,760 bytes
    Contained VSUs:
      fioc:    ID:0, UUID:55975a23-db01-45ff-9ad9-d8bafb73d0d8


fioc    State: Online, Type: block device
    ID:0, UUID:55975a23-db01-45ff-9ad9-d8bafb73d0d8
    1205.00 GBytes device size
    Format: 2353515625 sectors of 512 bytes


fct3    Attached
    SN:1242D9426-1111
    SMP(AVR) Versions: App Version: 1.0.29.0, Boot Version: 0.0.9.1
    Located in slot 0 Upper of ioDrive2 Adapter Controller SN:1242D9426
    Powerloss protection: protected
    PCI:0c:00.0, Slot Number:4
    Vendor:1aed, Device:2001, Sub vendor:1590, Sub device:70
    Firmware v7.1.17, rev 116786 Public
    1205.00 GBytes device size
    Format: v500, 2353515625 sectors of 512 bytes
    PCIe slot available power: 25.00W
    PCIe negotiated link: 4 lanes at 5.0 Gt/sec each, 2000.00 MBytes/sec total
    Internal temperature: 46.26 degC, max 60.54 degC
    Internal voltage: avg 1.02V, max 1.02V
    Aux voltage: avg 2.49V, max 2.50V
    Reserve space status: Healthy; Reserves: 100.00%, warn at 10.00%
    Active media: 100.00%
    Rated PBW: 17.00 PB, 98.37% remaining
    Lifetime data volumes:
       Physical bytes written: 277,400,080,592,576
       Physical bytes read   : 4,264,752,733,317,720
    RAM usage:
       Current: 1,274,323,200 bytes
       Peak   : 1,274,323,200 bytes
    Contained VSUs:
      fiod:    ID:0, UUID:32de5a07-44c0-454a-a44b-7e8918df1401


fiod    State: Online, Type: block device
    ID:0, UUID:32de5a07-44c0-454a-a44b-7e8918df1401
    1205.00 GBytes device size
    Format: 2353515625 sectors of 512 bytes

초보자 ....
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online9 2020-03
https://forums.servethehome.com/index.php?threads/fusion-io-iodrive-2-1-2tb-reference-page.11287/page-2
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Memory usage in the VSL depends 100% on what blocksize you are WRITING. The memory consumption is just to hold pointers in memory to quickly lookup where data is on the card.

If you are writing at 512B, you will consume a LOT more memory than if you are writing at 4k.
A lot of DB apps/etc require 512B block sizes on the backing store, but they tend to write at 32-64K or larger, which uses very little memory footprint in the VSL.

ÀÛÀº ºí·°À» »¡¸® ã±â À§ÇÑ Æ÷ÀÎÅ͸¦ ¸Þ¸ð¸®¿¡ À¯ÁöÇؼ­ »ç¿ëÇÑ´Ù°í Çϴ°Š°°½À´Ï´Ù.
¿Ã·ÁÁֽŠ°á°ú¸¦ º¸¸é fct0, fct1¿¡ »ý¼ºµÈ º¼·ý¿¡¼­ 4kÀÌ»ó, fct2, fc3Àº 4k ¹Ì¸¸ÀÇ ÀÛÀº ºí·°µéÀ» ó¸®ÇÏ´Â °ÍÀ¸·Î ÁüÀ۵˴ϴÙ.
     
ÁÒ½´¾Æ 2020-03
¼³¸í °¨»ç µå¸³´Ï´Ù

fct0, fct1, fct2, fct3 ¸ðµÎ
"Format: v500, 2353515625 sectors of 512 bytes"
¶ó°í µÇ¾î À־ ¸ðµÎ 512B block sizes ¶ó°í »ý°¢ Çß½À´Ï´Ù.
ÇÏÁö¸¸ RAM usage°¡ ´Ù¸£±â ¶§¹®¿¡ ÃʱâÈ­¿¡¼­ ¹º°¡ ´Ù¸£°Ô ±¸¼ºµÈ °ÍÀÎÁö ã¾Æ º¸´Âµ¥ ¾Ë¼ö°¡ ¾ø±º¿ä..

´ÔÀÇ È¸½Å¿¡ "fct0, fct1¿¡ »ý¼ºµÈ º¼·ý¿¡¼­ 4kÀÌ»ó, fct2, fc3Àº 4k ¹Ì¸¸ÀÇ ÀÛÀº ºí·°µéÀ» ó¸®ÇÏ´Â °ÍÀ¸·Î ÁüÀ۵˴ϴÙ."  ´Â
À§¿¡ ÀÖ´Â fio-status ¾î¶² Â÷À̸¦ º¸°í ¸»¾¸ ÇϽôÂÁö¿ä?
          
online9 2020-03
¼³¸í¿¡´Â 512 byte ÀÛÀº ÆÄÀϵéÀ» ¸¹ÀÌ ´Ù·ç°Ô µÇ¸é ºü¸£°Ô ó¸®Çϱâ À§ÇØ ÇØ´ç ºí·°ÀÇ Æ÷ÀÎÅÍ ÀúÀå¿¡ ¸Þ¸ð¸®¸¦ ¸¹ÀÌ Àâ¾Æ ¸Ô´Â´Ù°í ¼³¸íÀÌ µÇ¾î ÀÖ½À´Ï´Ù.
±×·¡¼­  fct2, fc3´Â ¸Þ¸ð¸®¿¡ 1G¸¦ Àâ¾Æ¸Ô´Â ÁßÀÌ°í fct0, fct1´Â 400M¸¦ »ç¿ëÁßÀÌ¶ó¼­ ±×·¸°Ô ÃßÃøÀ» ÇÑ °Ì´Ï´Ù.
ÀÛÀº ºí·°À» ¸¹ÀÌ »ç¿ëÇϸé ÇÒ ¼ö·Ï ¸Þ¸ð¸®¿¡ Æ÷ÀÎÅ͸¦ ±â·ÏÇØµÖ¾ß Çϴϱî¿ä.
¼Ò½º¸¦ ÄÄÆÄÀÏÇÏ´Â ½Ã½ºÅÛÀ̰ųª ¾ÆÀÌÄÜ À̹ÌÁö 󸮸¦ ¸¹ÀÌ ÇÏ´Â ½Ã½ºÅÛÀ̶ó »ý°¢Çß½À´Ï´Ù.


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