DB2 UDB ¼¹ö¿¡¼ Å×½ºÆ® ȯ°æÀ» ÀÛ¼ºÇÑ ´ÙÀ½, DB2 Data Links ¼¹ö¿¡¼ Å×½ºÆ® ȯ°æÀ» ÀÛ¼ºÇØ¾ß ÇÕ´Ï´Ù.
Data Links ¼¹ö¿¡¼ Å×½ºÆ® ȯ°æÀ» ÀÛ¼ºÇÏ´Â µ¥¿¡´Â ³× °¡Áö ÇÏÀ§ Ÿ½ºÅ©°¡ ÀÖ½À´Ï´Ù.
Data Links Manager ¼³Ä¡¸¦ Å×½ºÆ®Çϱâ À§ÇØ JFS(Journaled File System) ¶Ç´Â DCE-DFS ÆÄÀÏ ½Ã½ºÅÛÀ» ÀÛ¼ºÇÒ ¼ö ÀÖ½À´Ï´Ù.
DB2 Data Links ¼¹ö¿¡¼ JFS¸¦ ÀÛ¼ºÇÏ·Á¸é ´ÙÀ½À» ¼öÇàÇϽʽÿÀ.
mount = false vfs = dlfs
nodename = -
ÁÖ: | ÀÌ Ç׸ñÀÇ ³Î(NULL) ¹®ÀÚ(-) ´ÙÀ½¿¡ °ø¹éÀÌ ¾øµµ·Ï ÇØ¾ß ÇÕ´Ï´Ù. |
options = rw,Basefs=jfs
/usr/lpp/db2_07_01/instance/dlfmfsmd dlfm_mountpoint
¿©±â¼ dlfm_mountpoint´Â »ç¿ë ÁßÀÎ JFS ÆÄÀÏ ½Ã½ºÅÛÀÇ ¸¶¿îÆ® ÁöÁ¡ÀÔ´Ï´Ù.
ÀÌ ¿¹¸¦ °è¼ÓÇÏ·Á¸é, ´ÙÀ½ÀÇ ¸í·ÉÀ» ÀÔ·ÂÇϽʽÿÀ.
/usr/lpp/db2_07_01/instance/dlfmfsmd /test
DB2 Data Links ¼¹ö¿¡¼ DCE-DFS ÆÄÀÏ ½Ã½ºÅÛÀ» ÀÛ¼ºÇÏ·Á¸é ´ÙÀ½À» ¼öÇàÇϽʽÿÀ.
mklv -y aggregate_name -t aggregate_type lfs rootvg 1
¿©±â¼ aggregate_nameÀº ³í¸®Àû º¼·ýÀÇ À̸§À», aggregate_typeÀº ÁýÇÕ À¯ÇüÀ», rootvg´Â ³í¸®Àû º¼·ý À¯ÇüÀ̸ç 1Àº ³í¸®Àû ÆÄƼ¼ÇÀÇ ¹øÈ£ÀÔ´Ï´Ù.
newaggr -aggregate /dev/dmtest -block 8192 -frag 1024 -overwrite
¿©±â¼ /dev/dmtest´Â ÀåÄ¡ ÆÄÀϷμ Á¦°øµÈ Á¶ÁýÇÕ À̸§À» ³ªÅ¸³À´Ï´Ù. ÀÌ ÁýÇÕ À̸§ÀÌ ÀÌ¹Ì Á¸ÀçÇÏ´Â °æ¿ì, -overwrite ¿É¼ÇÀº ÁýÇÕ¿¡¼ ¸ðµç µ¥ÀÌÅ͸¦ »èÁ¦ÇÕ´Ï´Ù.
mkdfslfs -d /dev/dmtest -n dmtest
¿©±â¼ /dev/dmtest´Â ÁýÇÕÀÇ ÀåÄ¡ À̸§ÀÔ´Ï´Ù.
mkdfslfs -f dmtest1.ft -m /:/dmtest/dmtest1 -n dmtest
¿©±â¼ /:/dmtest/dmtest1Àº DFS À̸§ °ø°£ÀÇ ¸¶¿îÆ® ÁöÁ¡À» ³ªÅ¸³»¸ç dmtest´Â ÁýÇÕÀÇ À̸§À» ³ªÅ¸³À´Ï´Ù.
ÁÖ: | DFS À̸§ °ø°£¿¡¼ µð·ºÅ丮¸¦ ÀÛ¼ºÇÒ ±ÇÇÑ ¹× À¯È¿ÇÑ dce_loginÀ» °¡Á®¾ß ÇÕ´Ï´Ù. |
# blkdev aggname aggtype aggid [UFS fsid] /dev/aggrdev1 aggrname1 lfs 1 /dev/aggrdev2 aggrname2 lfs 2
Data Link°¡ Á¦¾îÇÒ ¸ðµç ÁýÇÕ¿¡ ´ëÇØ aggtype¸¦ dmlfs·Î º¯°æÇϽʽÿÀ. ÆÄÀÏÀ» ÀúÀåÇÏ°í ´ÝÀ¸½Ê½Ã¿À.
ÁÖ:
dmaggr -aggregate name [{-on | -off}] [{-needapp | -noneedapp}] [-help]
ÀÌ ¸í·ÉÀ» ¼öÇàÇÏ´Â µ¿¾È Ç×»ó -needapp ¿É¼ÇÀ» »ç¿ëÇϵµ·Ï ±ÇÀåÇÕ´Ï´Ù.
dlfm add_prefix prefix_path
¿©±â¼ prefix_path´Â DLFF°¡ Á¦¾îÇÏ´Â ÆÄÀÏ ½Ã½ºÅÛ À§Ä¡ÀÔ´Ï´Ù.
dlfm add_prefix for dfs rwpath prefix_path
ÀÌ ¸í·ÉÀº DCE-DFS¿¡ ´ëÇÑ Àбâ Àü¿ë °æ·Î¸¦ ÁöÁ¤ÇÕ´Ï´Ù.
dlfm add_prefix for dfs rwpath prefix_path localpath local_mount_point
¿©±â¼ local_mount_point´Â Á¢µÎºÎÀÇ ¿ø½Ã ÆÄÀÏ ½Ã½ºÅÛ ¸¶¿îÆ® Æ÷ÀÎÆ®¸¦ ³ªÅ¸³À´Ï´Ù. ¿ø½Ã ÆÄÀÏ ½Ã½ºÅÛ ¸¶¿îÆ® Æ÷ÀÎÆ®´Â ÆÄÀÏÀÇ ±â·Ï ¹× °Ë»ö ¼º´ÉÀ» Çâ»ó½Ã۴µ¥ »ç¿ëµË´Ï´Ù. DFS ȯ°æ¿¡¼ÀÇ µð½ºÅ© ¹é¾÷À» À§ÇÑ ¼º´É Çâ»ó¿¡¼ ÀÚ¼¼ÇÑ ³»¿ëÀ» ÂüÁ¶ÇϽʽÿÀ.
ÁÖ: | DFS ÆÄÀÏ ¼¼Æ®°¡ »óÁÖÇÏ´Â ³ëµå·ÎºÎÅÍ ¸ðµç dlfm add_prefix ¸í·ÉÀ» ¹ßÇàÇØ¾ß ÇÕ´Ï´Ù. ÀÌ ¸í·ÉÀ» ¹ßÇàÇÑ ÈÄ, µ¿ÀÏÇÑ ³ëµå¿¡¼ dlfm start ¸í·ÉÀ» ¹ßÇàÇØ¾ß ÇÕ´Ï´Ù. |
DLFF·Î /test ÆÄÀÏ ½Ã½ºÅÛÀ» µî·ÏÇÏ·Á¸é, ´ÙÀ½À» ¼öÇàÇϽʽÿÀ.
. INSTHOME/sqllib/db2profile (bash, Bourne ¶Ç´Â Korn ½©ÀÇ °æ¿ì) source INSTHOME/sqllib/db2cshrc (C ½©ÀÇ °æ¿ì)
¿©±â¼ INSTHOMEÀº ÀνºÅϽº ¼ÒÀ¯ÀÚÀÇ È¨ µð·ºÅ丮ÀÔ´Ï´Ù.
Data Links File Manager ¹é¿£µå ÇÁ·Î¼¼½º°¡ ½ÃÀÛµÇ¾î ½ÇÇàÁßÀÎ °æ¿ì, ´ÙÀ½°ú À¯»çÇÑ Ãâ·ÂÀÌ Ç¥½ÃµË´Ï´Ù.
PID PPID PGID RUSER EUSER ETIME COMMAND 7624 49852 55994 dlfm dlfm 02:44 dlfmd 49852 1 55994 dlfm dlfm 02:44 dlfmd
·
·
·
56510 49852 55994 dlfm root 02:44 dlfm_chownd
lsfs -v dlfs
ÀÌ ¿¹¿¡¼ ÀÌ ¸í·ÉÀº ´ÙÀ½°ú À¯»çÇÑ Ãâ·ÂÀ» ¸®ÅÏÇÕ´Ï´Ù.
Name Nodename Mount Pt VFS Size Options /dev/dllv - /test dlfs -- rw,Basefs=jfs /dev/lv04 - /dlinks2 dlfs -- rw,Basefs=jfs
DFS ÆÄÀÏ ¼¹ö°¡ DLFF¿¡ ÀÇÇØ Á¦¾îµÇ°í ÀÖ´ÂÁö È®ÀÎÇÏ·Á¸é, ´ÙÀ½ ¸í·ÉÀ» ÀÔ·ÂÇϽʽÿÀ.
dfsexport | grep dmlfs
ÀÌ ¸í·ÉÀÇ Ãâ·ÂÀº ´ÙÀ½°ú °°½À´Ï´Ù.
/dev/dlfs_test dlfs_test dmlfs 4
dlfm add_prefix prefix_path
¿©±â¼ prefix_path´Â DLFF°¡ Á¦¾îÇÏ´Â ÆÄÀÏ ½Ã½ºÅÛÀÇ À§Ä¡ÀÔ´Ï´Ù.
¿¹¸¦ µé¾î, ´ÙÀ½ ¸í·ÉÀ» ÀÔ·ÂÇÏ¿© Data Links ¼¹ö°¡ test ÆÄÀÏ ½Ã½ºÅÛ¿¡¼ Data Links Filesystem Filter¸¦ »ç¿ëÇϵµ·Ï µî·ÏÇϽʽÿÀ.
dlfm add_prefix /test
ÀÌ¹Ì ÀÖ´Â Á¢µÎºÎ¸¦ °»½ÅÇÏ·Á¸é, ´ÙÀ½ ¸í·É Áß Çϳª¸¦ ÀÔ·ÂÇϽʽÿÀ.
dlfm update_prefix prefix_path //JFS dlfm update_prefix prefix_path for dfs localpath local_mount_point //DFS
Data Links File Manager¿¡ »õ µ¥ÀÌÅͺ£À̽º¸¦ µî·ÏÇÏ·Á¸é ´ÙÀ½À» ¼öÇàÇϽʽÿÀ.
dlfm add_db database instance hostname
¿©±â¼,
´ÙÀ½ ¸í·ÉÀº ¿ÏÀüÇÑ È£½ºÆ® À̸§ÀÌ db2server.services.comÀÎ DB2 UDB ¼¹öÀÇ VALIDATE ÀνºÅϽº¿¡ »óÁÖÇÏ´Â STAFF¶ó°í ÇÏ´Â µ¥ÀÌÅͺ£À̽º¸¦ µî·ÏÇÕ´Ï´Ù.
dlfm add_db staff validate db2server.services.com
µî·ÏµÈ µ¥ÀÌÅͺ£À̽º¸¦ ³ª¿ÇÏ·Á¸é, ´ÙÀ½ ¸í·ÉÀ» ÀÔ·ÂÇϽʽÿÀ.
dlfm list registered databases
ÀÌ ¸í·ÉÀ» ¼öÇàÇÒ ¶§, DLFM_DB¸¦ ÁöÁ¤ÇÏÁö ¸¶½Ê½Ã¿À. DLFM_DB´Â Data Links File Manager°¡ Á¦¾îÇÏ´Â ÆÄÀÏÀ» ÃßÀûÇÏ´Â µ¥ »ç¿ëµÇ´Â Áö¿ª µ¥ÀÌÅͺ£À̽ºÀÔ´Ï´Ù.
»ùÇà ÆÄÀÏÀ» ÀÛ¼ºÇÏ·Á¸é ´ÙÀ½À» ¼öÇàÇϽʽÿÀ.
mkdir filesystem_name/directory_name
¿©±â¼,
DB2 Data Links Manager °ü¸®ÀÚ´Â DLFF°¡ Á¦¾îÇÏ´Â ÆÄÀÏ ½Ã½ºÅÛ¿¡ ÀÖ´Â µð·ºÅ丮 ¶Ç´Â ÆÄÀÏÀÇ ¼ÒÀ¯ÀÚÀÏ ¼ö ¾ø½À´Ï´Ù. ¿¹¸¦ µé¾î, ´ÙÀ½ÀÇ ¸í·ÉÀº /test ÆÄÀÏ ½Ã½ºÅÛ¿¡ pictures¶ó°í ÇÏ´Â µð·ºÅ丮¸¦ ÀÛ¼ºÇÕ´Ï´Ù.
mkdir /test/pictures
chmod 777 /test/pictures
echo "This is a picture of Paul Smith." > /test/pictures/psmith.bmp
»ùÇà ÆÄÀÏÀÎ psmith.bmp´Â ÅØ½ºÆ® ÆÄÀÏÀ̸ç .bmp È®ÀåÀÚ°¡ ÀǹÌÇÏ´Â °Í°ú´Â ´Ù¸£°Ô ºñÆ®¸ÊÀÌ ¾Æ´Õ´Ï´Ù. ¼³Ä¡¸¦ È®ÀÎÇϱâ À§Çؼ ÀÌ ÆÄÀÏÀº DATALINKS µ¥ÀÌÅÍ À¯ÇüÀ¸·Î Á¤ÀÇµÈ Å×ÀÌºí¿¡ »ðÀÔµÈ »ç¿øÀÇ »çÁøÀ» ³ªÅ¸³À´Ï´Ù.