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  IBM GPFS ÆÄÀϽýºÅÛ¿¡¼­ sshÆ÷Æ® º¯°æ ÀÛ¼ºÀÏ : 2012/01/27 18:28
 
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    Á¦  ¸ñ : IBM GPFS ÆÄÀϽýºÅÛ¿¡¼­ sshÆ÷Æ® º¯°æ
    ÀÛ¼ºÀÚ : ÁÁÀºÁøÈ£(truefeel, http://coffeenix.net/ )
    ÀÛ¼ºÀÏ : 2011.11.18(±Ý)
    Á¤¸®ÀÏ : 2011.12.5(¿ù)

    IBM GPFS´Â Ŭ·¯½ºÅÍ ³ëµå°£¿¡ Åë½ÅÀ» ssh¿Í scp·Î ÇÑ´Ù(rsh, rcp·Îµµ ÇÏÁö¸¸ ºñÃß). º¸¾ÈÀ» À§ÇØ ssh ±âº» Æ÷Æ® 22¸¦ ´Ù¸¥ °ÍÀ¸·Î º¯°æÇÏ·Á¸é ¾î¶»°Ô ÇؾßÇÒ±î?
    ¸ÕÀú ³ëµå°£¿¡ ¿ø°Ý Åë½Å¿ë ¸í·ÉÀÌ ¾î¶² °ÍÀ¸·Î µÇ¾î ÀÖ´ÂÁö º¸ÀÚ. ssh¿Í scp·Î Åë½ÅÇÏ°í ÀÖ´Â°Ô È®ÀεȴÙ.

     
    # mmlscluster

    GPFS cluster information
    ========================
      GPFS cluster name:         gpfs.node1
      GPFS cluster id:           13882347407468541209
      GPFS UID domain:           gpfs.node1
      Remote shell command:      /usr/bin/ssh
      Remote file copy command:  /usr/bin/scp

    ... »ý·« ...
     





    1. ssh Æ÷Æ® º¯°æ

    22 ±âº»Æ÷Æ®¸¦ -> 2323 Æ÷Æ®·Î º¯°æÇÑ´Ù°í °¡Á¤Çغ¸ÀÚ.
    GPFS°¡ ÇöÀç 22¹ø Æ÷Æ®·Î Åë½ÅÁßÀ̱⠶§¹®¿¡, ¹Ù·Î 2323Æ÷Æ®·Î º¯°æÇؼ­´Â ¾ÈµÈ´Ù. 22¹ø°ú 2323Æ÷Æ®¸¦ 'µ¿½Ã¿¡' »ç¿ë°¡´ÉÇÏ°Ô sshd¸¦ ¼³Á¤ÇÑ´Ù. ±×¸®°í GPFS ¼³Á¤±îÁö ¿Ï·áµÈ µÚ¿¡ 2323Æ÷Æ®¸¸ »ç¿ëÇϵµ·Ï º¯°æÇØÁÖ¸é µÈ´Ù.

    [ /etc/ssh/sshd_config ¼³Á¤ º¯°æ ]
     
    Port 2323
    Port 22
     


    /etc/rc.d/init.d/sshd restart ÇÑ´Ù. (RHEL ±âÁØ)


    2. GPFS¿ë ssh, scp ½ºÅ©¸³Æ®

    2323Æ÷Æ®¸¦ »ç¿ëÇÏ´Â ssh¿Í scp ½ºÅ©¸³Æ®¸¦ ¸¸µç´Ù.

    /usr/local/bin/ssh_p2323
     
    #!/bin/sh

    /usr/bin/ssh -p 2323 $@
     


    /usr/local/bin/scp_p2323
     
    #!/bin/sh

    /usr/bin/scp -P 2323 $@
     



    3. GPFS ¼³Á¤ º¯°æ

    mmchcluster ¸í·ÉÀ¸·Î 2323 Æ÷Æ®¿ë ½ºÅ©¸³Æ®¸¦ »ç¿ëÇϵµ·Ï ¼³Á¤ÇÑ´Ù.

     
    # mmchcluster -r /usr/local/bin/ssh_p2323 -R /usr/local/bin/scp_p2323
    mmsetrcmd: Command successfully completed
    mmsetrcmd: Propagating the cluster configuration data to all
      affected nodes.  This is an asynchronous process.
    # mmlscluster

    GPFS cluster information
    ========================
      GPFS cluster name:         gpfs.node1
      GPFS cluster id:           13882347407468541209
      GPFS UID domain:           gpfs.node1
      Remote shell command:      /usr/local/bin/ssh_p2323
      Remote file copy command:  /usr/local/bin/scp_p2323
     


    º¯°æÀÌ È®ÀεǾú´Ù. ÀÌÁ¦ /etc/ssh/sshd_config ¼³Á¤¿¡¼­ 2323Æ÷Æ®¸¸ »ç¿ëÇϵµ·Ï º¯°æÇÏ°í sshd µ¥¸óÀ» Àç½ÇÇàÇÑ´Ù.

    º¯°æµÈ Æ÷Æ®·Î Á¤»óÀûÀ¸·Î Åë½ÅÇÏ´ÂÁö »ìÆ캸´Â °ÍÀº °£´ÜÇÏ´Ù.
    ÀÓÀÇ ³ëµå(³ëµå1À̶ó°í °¡Á¤)¿¡¼­ /var/log/secure (RHEL ±âÁØ) ·Î±×¸¦ ¸ð´ÏÅ͸µ(tail -f /var/log/secure)ÇÑ´Ù.
    ±×¸®°í ´Ù¸¥ ³ëµå(³ëµå 2)¿¡¼­ mmgetstate -a ¸í·ÉÀ» ³»¸°´Ù. ÀÌ ¶§ /var/log/secure ¿¡ ´ÙÀ½°ú °°Àº ·Î±×°¡ ½×ÀÎ´Ù¸é º¯°æµÈ Æ÷Æ®·Î Åë½ÅÇÑ °ÍÀÌ´Ù.

     
    sshd[7667]: Accepted publickey for root from xxx.xxx.xxx.xxx port 42216 ssh2
     



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