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[Redhat5] ¸®´ª½º¿¡¼­ Tape µð¹ÙÀ̽º ¼³Á¤ (Å×ÀÙ)
±Û¾´ÀÌ : theko ³¯Â¥ : 2014-12-10 (¼ö) 09:06 Á¶È¸ : 9105
¹®ÀÇ ÁֽŠ¸®´ª½º¿¡¼­ Tape µð¹ÙÀ̽º ¼³Á¤ÇÏ´Â ¹ý¿¡ ´ëÇÏ¿© ¾È³» µå¸³´Ï´Ù.
 
Tape µð¹ÙÀ̽º¸¦ ±¸¼ºÇÏ´Â ÀýÂ÷´Â ´ÙÀ½ StepÀ» µû¸£°Ô µË´Ï´Ù.
1. SAN ZoningÀ» ÅëÇØ µð¹ÙÀ̽º ÇÒ´çÀ» ¿Ï·á Çß´Ù¸é, ÀçºÎÆà ÈÄ ÀÚµ¿À¸·Î µð¹ÙÀ̽º ÀνÄÀÌ µÇÁö¸¸, ºÒ°¡ÇÇÇÏ°Ô Àç ºÎÆÃÀ» ÇÒ¼ö ¾ø´Â
ȯ°æÀ̶ó¸é, µ¿ÀûÀ¸·Î µð¹ÙÀ̽º¸¦ ÀνĽÃÅ°´Â ÀÛ¾÷À» ¸ÕÀú ÁøÇàÇؾßÇÕ´Ï´Ù.

2. ¸®´ª½º OS¿¡¼­ µð¹ÙÀ̽º°¡ ÀνÄÀÌ µÇ¸é udev·Î ÅëÇØ µð¹ÙÀ̽º °íÁ¤ÀÛ¾÷À» ÇØÁà¾ß ÇÕ´Ï´Ù.
¸®´ª½º¿¡¼­´Â SCSI Device¿Í ¸¶Âù°¡Áö·Î SCSI Tape Device´Â Àç ºÎÆýà µð¹ÙÀ̽º À̸§ÀÌ PersistentÇÏ°Ô °íÁ¤µÇÁö ¾Ê¾Æ, udev¸¦ ÅëÇØ µð¹ÙÀ̽º °íÁ¤ÀÛ¾÷À» ÇؾßÇÕ´Ï´Ù. 
Áß¿ä : µð¹ÙÀ̽ºÀÇ °íÁ¤ ÀÛ¾÷Àº st(SCSI Tape)µð¹ÙÀ̽º°¡ ¾Æ´Ñ nst(No rewind SCSI Tape)µð¹ÙÀ̽º¸¦ udev·Î °íÁ¤ÇؾßÇÕ´Ï´Ù.

UDEV¸¦ ÅëÇÑ Persistent Device ¼³Á¤ÇÏ´Â ¹æ¹ý 

< Udev ÆÄÀÏ »ý¼º Àü ÇÊ¿äÇÑ »çÇ×>
* udev¸¦ ÅëÇÑ ÆÄÀÏ Á¶È¸ ½Ã °íÁ¤ÇÑ µð¹ÙÀ̽º ÆÄÀÏ(8°³ µð¹ÙÀ̽º)¿¡ ´ëÇÑ SCSI ID¸¦ Á¶È¸ ÇÕ´Ï´Ù. 
´ÙÀ½ ¸í·ÉÀ» ÅëÇØ ÀÎ½ÄµÈ 8°³ÀÇ Tape µð¹ÙÀ̽º¿¡ ´ëÇÑ SCSI_ID¸¦ Á¶È¸ ÇÕ´Ï´Ù.
# ls -al /dev/nst*
  »ý¼ºµÈ µð¹ÙÀ̽º ÆÄÀÏ È®ÀÎ

# scsi_id --whitelisted --replace-whitespace --device=/dev/<device_name>
     ## 8°³ÀÇ µð¹ÙÀ̽º¿¡ ´ëÇÏ¿© ¸ðµÎ Á¶È¸¸¦ ÇÕ´Ï´Ù. °á°ú°ªÀº ¸ðµÎ ´Ù¸¥ À¯ÀÏÇÑ °ªÀÌ ³ª¿É´Ï´Ù.
SHP_C7438A_0005474898

 
1. udev rule ÆÄÀÏ »ý¼º
/etc/udev/rules.d/ µð·ºÅ丮 ¾Æ·¡ 90-netbackup_udev.rules ÆÄÀÏÀ» »ý¼º ÇÕ´Ï´Ù. 
ÆÄÀÏ ¾È¿¡ À§¿¡¼­ Á¶È¸ÇÑ µð¹ÙÀ̽ºº° SCSI_IDÀÇ °á°ú°ªÀ» ¾Æ·¡ ³ë¶õ»ö Ç¥±âµÈ ºÎºÐ¿¡ °¢°¢ ±âÀÔÇÕ´Ï´Ù.
¾Æ·¡¿Í °°ÀÌ 8°³ µð¹ÙÀ̽º ÆÄÀÏÀ» »ý¼ºÇÕ´Ï´Ù. ºÓÀº»öÀ» Ç¥±âµÈ À̸§Àº º¯°æ °¡´ÉÇÕ´Ï´Ù.
 
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape1%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape2%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape3%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape4%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape5%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape6%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape7%n"
KERNEL=="nst*", BUS=="scsi", PROGRAM=="/sbin/scsi_id --whitelisted --replace-whitespace --device=%N", RESULT=="UUID_of_device", SYMLINK+="tape8%n"


ÆÄÀÏ ÀúÀå ÈÄ ´ÙÀ½ ¸í·ÉÀ» ½ÇÇàÇÕ´Ï´Ù

# udevadm trigger

»ý¼ºµÈ ½Éº¼ µð¹ÙÀ̽º¸¦ È®ÀÎ ÇÕ´Ï´Ù.

# ls -al /dev/tape*
 
¾Æ·¡´Â RHEL6¿¡ ´ëÇÑ Tape µð¹ÙÀ̽º »ý¼º °¡À̵å ÀÔ´Ï´Ù.
https://access.redhat.com/solutions/285703

À̸§ Æнº¿öµå
ºñ¹Ð±Û (üũÇÏ¸é ±Û¾´À̸¸ ³»¿ëÀ» È®ÀÎÇÒ ¼ö ÀÖ½À´Ï´Ù.)
¿ÞÂÊÀÇ ±ÛÀÚ¸¦ ÀÔ·ÂÇϼ¼¿ä.
   

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