{"id":4651,"date":"2014-05-26T14:36:34","date_gmt":"2014-05-26T05:36:34","guid":{"rendered":"http:\/\/www.creationline.com\/?p=4651"},"modified":"2015-10-27T17:53:10","modified_gmt":"2015-10-27T08:53:10","slug":"softlayer%e3%81%a7iscsi%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%81%bf%e3%82%8b-softlayer","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/cloudnative\/softlayer\/4651","title":{"rendered":"SoftLayer\u3067iSCSI\u3092\u4f7f\u3063\u3066\u307f\u308b #softlayer"},"content":{"rendered":"

\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001Linux\u4eee\u60f3\u30b5\u30fc\u30d0\u3067iSCSI\u30de\u30a6\u30f3\u30c8\u3092\u3084\u3063\u3066\u307f\u307e\u3059\u3002<\/p>\n

iSCSI\u3068\u306f<\/h2>\n

iSCSI(Internet Small Computer System Interface)\u306f\u3001SCSI\u30d7\u30ed\u30c8\u30b3\u30eb\u3092TCP\/IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u3067\u4f7f\u7528\u3059\u308b\u898f\u683c\u3067\u3059\u3002iSCSI\u30d7\u30ed\u30c8\u30b3\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u305f\u3081\u306bTCP\/IP\u3092\u4f7f\u3044\u307e\u3059\u3002iSCSI\u3092\u4f7f\u3046\u3068\u3001\u793e\u5185LAN\u306a\u3069\u306eTCP\/IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b\u5927\u5bb9\u91cf\u30cf\u30fc\u30c9\u30c7\u30a3\u30b9\u30af\u306a\u3069\u306e\u8a18\u61b6\u88c5\u7f6e\u306b\u63a5\u7d9a\u3057\u3066\u3001\u8907\u6570\u306e\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304b\u3089\u5171\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3082\u3068\u3066\u3082\u7c21\u5358\u3067\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3067\u3042\u308c\u3070\u3044\u3044\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u3063\u3066\u3001\u4f4e\u4fa1\u683c\u3067\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u96c6\u4e2d\u5316\u3092\u53ef\u80fd\u3068\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

iSCSI\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210<\/h2>\n

SosfLayer\u3067iSCSI\u306f\u3001Private VLAN\u7d4c\u7531\u3067\u4eee\u60f3\u30b5\u30fc\u30d0\u306b\u30de\u30a6\u30f3\u30c8\u3055\u308c\u307e\u3059\u3002<\/p>\n

\"\"<\/p>\n

iSCSI\u4f5c\u6210<\/h2>\n

\u30e1\u30a4\u30f3\u30e1\u30cb\u30e5\u30fc\u306e[Storage\u2192NAS\u2192Order iSCSI]\u3092\u9078\u629e\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

\"\"<\/p>\n\n\n\n\n
Location<\/td>\nSingapore<\/td>\n\u30db\u30fc\u30e0\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3092\u9078\u629e\u3059\u308b<\/td>\n<\/tr>\n
Select Size<\/td>\n20GB<\/td>\n\u30dc\u30ea\u30e5\u30fc\u30e0\u30b5\u30a4\u30ba\u3092\u9078\u629e\u3059\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u30de\u30b9\u30bf\u30b5\u30fc\u30d3\u30b9\u30a2\u30b0\u30ea\u30e1\u30f3\u30c8\u306b\u540c\u610f\u3057\u3001\u30aa\u30fc\u30c0\u3092\u78ba\u5b9a\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

\"\"<\/p>\n

\u30e1\u30a4\u30f3\u30e1\u30cb\u30e5\u30fc\u306e[Storage\u2192iSCSI\u2192Order iSCSI]\u3092\u898b\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

\"\"<\/p>\n\n\n\n\n\n
UserName<\/td>\nSL123456-1<\/td>\n\u30a2\u30ab\u30a6\u30f3\u30c8ID\uff0b\u4e00\u9023\u756a\u53f7<\/td>\n<\/tr>\n
Hostname<\/td>\n123.123.123.123<\/td>\niSCSI\u306e\u30bf\u30fc\u30b2\u30c3\u30c8\u30db\u30b9\u30c8\u540d\u3002
\nSoftLayer\u306e\u30a4\u30f3\u30bf\u30fc\u30ca\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3002<\/td>\n<\/tr>\n
Password<\/td>\n********<\/td>\n\u30d7\u30ed\u30d3\u30b8\u30e7\u30cb\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u30d1\u30b9\u30ef\u30fc\u30c9\u306e\u8868\u793a\u306f\u3001iSCSI\u4e00\u89a7\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

\u4e8b\u524d\u6e96\u5099<\/h2>\n

Linux (CentOS 6\/64bit)\u304c\u5fc5\u8981\u3067\u3059\u3002\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30b7\u30f3\u30ac\u30dd\u30fc\u30eb\u30ea\u30fc\u30b8\u30e7\u30f3\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

Iinux\u306eiSCSI\u30de\u30a6\u30f3\u30c8<\/h2>\n

[\u53c2\u8003\u8cc7\u6599]<\/p>\n

\n

Connect to an iSCSI LUN in Linux with Open-iSCSI<\/a>
\nOSS\u3067Linux\u30b5\u30fc\u30d0\u69cb\u7bc9<\/a>
\nUnixPower on Networking<\/a><\/p>\n

\n

Linux\u4eee\u60f3\u30b5\u30fc\u30d0\u306b\u30ed\u30b0\u30a4\u30f3\u3057\u3066\u4e0b\u3055\u3044\u3002OS\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n

# yum update \u2013y\r\n\r\n# cat \/etc\/redhat-release\r\n\r\nCentOS release 6.5 (Final)<\/pre>\n
iSCSI\u306e\u30a4\u30cb\u30b7\u30a7\u30fc\u30bf\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# yum install iscsi-initiator-utils -y<\/pre>\n
iscsid.conf\u30d5\u30a1\u30a4\u30eb\u306e\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u3092\u4f5c\u6210\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# cp \/etc\/iscsi\/iscsid.conf{,.save}<\/pre>\n
\u305d\u3057\u3066\/etc\/iscsi\/iscsid.conf\u306e\u5185\u5bb9\u3092\u7de8\u96c6\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
node.startup = automatic\r\nnode.session.auth.username = SLI23456-1\r\nnode.session.auth.password = XXXXXXXXXXXXXX\r\ndiscovery.sendtargets.auth.username = SLI23456-1\r\ndiscovery.sendtargets.auth.password = XXXXXXXXXXXXXX\r\nnode.session.timeo.replacement_timeout = 120\r\nnode.conn[0].timeo.login_timeout = 15\r\nnode.conn[0].timeo.logout_timeout = 15\r\nnode.conn[0].timeo.noop_out_interval = 10\r\nnode.conn[0].timeo.noop_out_timeout = 15\r\nnode.session.iscsi.InitialR2T = No\r\nnode.session.iscsi.ImmediateData = Yes\r\nnode.session.iscsi.FirstBurstLength = 262144\r\nnode.session.iscsi.MaxBurstLength = 16776192\r\nnode.conn[0].iscsi.MaxRecvDataSegmentLength = 65536<\/pre>\n
iSCSI\u30b5\u30fc\u30d3\u30b9\u3092\u8d77\u52d5\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# \/etc\/init.d\/iscsi start<\/pre>\n
\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u30a4\u30cb\u30b7\u30a8\u30fc\u30bf\u3068iSCSI\u30bf\u30fc\u30b2\u30c3\u30c8\u30db\u30b9\u30c8\u306e\u63a5\u7d9a\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n
# iscsiadm -m discovery -t sendtargets -p 123.123.123.123\r\n[123.123.123.123:3260,1 iqn.2001-05.com.equallogic:0-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx-sli294078-2<\/pre>\n
iSCSI\u30b5\u30fc\u30d3\u30b9\u3092\u518d\u8d77\u52d5\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# \/etc\/init.d\/iscsi restart\r\nStopping iscsi: [ OK ]\r\nStarting iscsi: [ OK ]<\/pre>\n
\u30c7\u30d0\u30a4\u30b9\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# find \/sys\/devices\/platform\/host* -name block\\* -exec ls -la '{}' \\; | sed s#^.*..\/block\/#\/dev\/#g\r\ntotal 0\r\ndrwxr-xr-x 3 root root 0 May 21 01:18 .\r\ndrwxr-xr-x 8 root root 0 May 21 01:18 ..\r\ndrwxr-xr-x 7 root root 0 May 21 01:18 sda\r\n\r\n# fdisk -l\r\n...\u4e2d\u7565\r\nDisk \/dev\/sda: 21.5 GB, 21485322240 bytes\r\n64 heads, 32 sectors\/track, 20490 cylinders\r\nUnits = cylinders of 2048 * 512 = 1048576 bytes\r\nSector size (logical\/physical): 512 bytes \/ 512 bytes\r\nI\/O size (minimum\/optimal): 512 bytes \/ 512 bytes\r\nDisk identifier: 0x00000000<\/pre>\n
\/dev\/sdb\u304ciSCSI\u7d4c\u7531\u3067\u30ed\u30fc\u30ab\u30eb\u30c7\u30a3\u30b9\u30af\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u3044\u307e\u3059\u3002parted\u3084fdisk\u3067\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u4f5c\u6210\u3057\u3001\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u3066\u304b\u3089\u30de\u30a6\u30f3\u30c8\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# fdisk \/dev\/sda\r\n\r\nDevice contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel\r\nBuilding a new DOS disklabel with disk identifier 0xadc78478.\r\nChanges will remain in memory only, until you decide to write them.\r\nAfter that, of course, the previous content won't be recoverable.\r\nWarning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)\r\nWARNING: DOS-compatible mode is deprecated. It's strongly recommended to\r\nswitch off the mode (command 'c') and change display units to\r\nsectors (command 'u').<\/pre>\n
\u8b66\u544a\u304c\u51fa\u307e\u3059\u304c\u3001\u6b63\u5e38\u306e\u7bc4\u56f2\u3067\u3059\u3002\u305d\u306e\u307e\u307e\u9032\u3081\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
Command (m for help):n\r\n\r\nCommand action\r\ne extended\r\np primary partition (1-4)\r\np\r\n\r\nPartition number (1-4): 1\r\nFirst cylinder (1-20490, default 1):\r\nUsing default value 1\r\nLast cylinder, +cylinders or +size{K,M,G} (1-20490, default 20490):\r\nUsing default value 20490\r\n\r\nCommand (m for help): p\r\nDisk \/dev\/sda: 21.5 GB, 21485322240 bytes\r\n64 heads, 32 sectors\/track, 20490 cylinders\r\nUnits = cylinders of 2048 * 512 = 1048576 bytes\r\n\r\nSector size (logical\/physical): 512 bytes \/ 512 bytes\r\nI\/O size (minimum\/optimal): 512 bytes \/ 512 bytes\r\nDisk identifier: 0x2afb60f3\r\n\r\nDevice Boot Start End Blocks Id System\r\n\/dev\/sda1 1 20490 20981744 83 Linux\r\n\r\nommand (m for help): w\r\n\r\nThe partition table has been altered!\r\nCalling ioctl() to re-read partition table.\r\nSyncing disks.<\/pre>\n
\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u78ba\u8a8d\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# fdisk \u2013l\r\n\u2026\u4e2d\u7565\r\nDisk \/dev\/sda: 21.5 GB, 21485322240 bytes\r\n64 heads, 32 sectors\/track, 20490 cylinders\r\nUnits = cylinders of 2048 * 512 = 1048576 bytes\r\nSector size (logical\/physical): 512 bytes \/ 512 bytes\r\nI\/O size (minimum\/optimal): 512 bytes \/ 512 bytes\r\n\r\nDisk identifier: 0x2afb60f3\r\nDevice Boot Start End Blocks Id System\r\n\/dev\/sda1 1 20490 20981744 83 Linux<\/pre>\n
\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3092\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# mkfs.ext4 \/dev\/sda1<\/pre>\n
\u30de\u30a6\u30f3\u30c8\u30dd\u30a4\u30f3\u30c8\u3092\u4f5c\u6210\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# mkdir \/mnt\/iscsi<\/pre>\n
\/dev\/sda1\u3092\u30de\u30a6\u30f3\u30c8\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# mount -t ext4 \/dev\/sda1 \/mnt\/iscsi<\/pre>\n
\u30de\u30a6\u30f3\u30c8\u7d50\u679c\u3092\u78ba\u8a8d\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# df -h\r\nFilesystem Size Used Avail Use% Mounted on\r\n\/dev\/xvda2 25G 1.3G 22G 6% \/\r\ntmpfs 497M 0 497M 0% \/dev\/shm\r\n\/dev\/xvda1 248M 79M 157M 34% \/boot\r\n\/dev\/sda1        20G  172M   19G   1% \/mnt\/iscsi<\/pre>\n
\u6b63\u5e38\u306b\u30d5\u30a1\u30a4\u30eb\u4f5c\u6210\u3084\u524a\u9664\u304c\u53ef\u80fd\u304b\u3092\u691c\u8a3c\u3057\u3066\u307f\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# touch \/mnt\/iscsi\/testfile\r\n# ls -l \/mnt\/iscsi\/\r\ntotal 16\r\ndrwx------ 2 root root 16384 May 21 01:53 lost+found\r\n-rw-r--r-- 1 root root 0 May 21 01:57 testfile\r\n\r\n# rm \/mnt\/iscsi\/testfile\r\nrm: remove regular empty file `\/mnt\/iscsi\/testfile'? y\r\n# ls \/mnt\/iscsi\/\r\nlost+found<\/pre>\n
\u30d6\u30fc\u30c8\u6642\u306biSCSI\u306e\u30de\u30a6\u30f3\u30c8\u3059\u308b\u305f\u3081\u306b\u306f\u3001\u307e\u305a\u30b5\u30fc\u30d3\u30b9\u3092\u81ea\u52d5\u8d77\u52d5\u306b\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# chkconfig iscsi on\r\n# chkconfig --list iscsi\r\niscsi 0:off 1:off 2:on 3:on 4:on 5:on 6:off<\/pre>\n
\u305d\u3057\u3066\/etc\/fstab\u306b\u8ffd\u52a0\u3057\u3066\u4e0b\u3055\u3044\u3002<\/p>\n
# vi \/etc\/fstab\r\n\/dev\/sda1 \/mnt\/iscsi ext4 _netdev 0 0<\/pre>\n
\u307e\u3068\u3081<\/h2>\n
SoftLayer\u306f\u3001\u3053\u306e\u3088\u3046\u306b\u7c21\u5358\u306biSCSI\u3092\u5927\u5bb9\u91cf\u306e\u30b9\u30c8\u30ec\u30fc\u30b8\u3068\u3057\u3066\u30de\u30a6\u30f3\u30c8\u3057\u3066\u4f7f\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4eca\u56de\u306e\u8a18\u4e8b\u3067\u306f\u3001Linux\u4eee\u60f3\u30b5\u30fc\u30d0\u3067iSCSI\u30de\u30a6\u30f3\u30c8\u3092\u3084\u3063\u3066\u307f\u307e\u3059\u3002 iSCSI\u3068\u306f iSCSI(Internet Small Computer System Interface)\u306f\u3001SCSI\u30d7\u30ed\u30c8\u30b3\u30eb\u3092TCP\/IP […]<\/p>\n","protected":false},"author":13,"featured_media":9399,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[61,38],"tags":[62],"class_list":["post-4651","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lee","category-softlayer","tag-softlayer"],"acf":[],"yoast_head":"\nSoftLayer\u3067iSCSI\u3092\u4f7f\u3063\u3066\u307f\u308b #softlayer - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"lee, softlayer 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