{"id":91991,"date":"2020-08-21T07:42:19","date_gmt":"2020-08-21T05:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/kopirovanie-tomov-na-shd-cherez-linux-server-s-ispolzovaniem-xcopy"},"modified":"2020-08-21T07:42:19","modified_gmt":"2020-08-21T05:42:19","slug":"kopirovanie-tomov-na-shd-cherez-linux-server-s-ispolzovaniem-xcopy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/kopirovanie-tomov-na-shd-cherez-linux-server-s-ispolzovaniem-xcopy","title":{"rendered":"Copia di volumi su storage SAN tramite server Linux utilizzando XCOPY","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u0411\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u0443\u044e \u043a\u043e\u043f\u0438\u044e \u0442\u043e\u043c\u0430 \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043e\u0434\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 (\u0421\u0425\u0414), \u043d\u0435 \u0441\u043d\u0438\u043c\u043e\u043a, \u043a\u043b\u043e\u043d, \u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0439 \u0442\u043e\u043c. \u041d\u043e \u043d\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u0421\u0425\u0414 \u0434\u0430\u0435\u0442 \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0432\u043d\u0443\u0442\u0440\u0438 \u0441\u0435\u0431\u044f \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c\u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438. \u0412\u0440\u043e\u0434\u0435 \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0447\u0435\u0440\u0435\u0437 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\u0435\u0441\u043b\u0438 \u0432\u0430\u0448\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 VAAI \u043e\u0442 VMware, \u0442\u043e \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 100%, \u0447\u0442\u043e \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 XCOPY (EXTENDED COPY), \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0438 \u0433\u043e\u0432\u043e\u0440\u0438\u0442 \u043c\u0430\u0441\u0441\u0438\u0432\u0443 \u0447\u0442\u043e \u0438 \u043a\u0443\u0434\u0430 \u0441\u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c, \u043d\u0435 \u0432\u043e\u0432\u043b\u0435\u043a\u0430\u044f \u0432 \u044d\u0442\u043e\u0442 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/server\"   title=\"\u0441\u0435\u0440\u0432\u0435\u0440\" data-wpil-keyword-link=\"linked\">\u0441\u0435\u0440\u0432\u0435\u0440<\/a> \u0438 \u0441\u0435\u0442\u044c.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n\u0412\u0440\u043e\u0434\u0435 \u043a\u0430\u043a \u0432\u0441\u0435 \u0434\u043e\u043b\u0436\u043d\u043e \u0431\u044b\u0442\u044c \u043f\u0440\u043e\u0441\u0442\u043e, \u043d\u043e \u0442\u0430\u043a \u0441\u0445\u043e\u0434\u0443 \u044f \u0433\u043e\u0442\u043e\u0432\u044b\u0445 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432 \u043d\u0435 \u043d\u0430\u0448\u0435\u043b, \u043f\u0440\u0438\u0448\u043b\u043e\u0441\u044c \u0438\u0437\u043e\u0431\u0440\u0435\u0442\u0430\u0442\u044c \u0432\u0435\u043b\u043e\u0441\u0438\u043f\u0435\u0434. \u0414\u043b\u044f \u041e\u0421 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/server\/dts-los-angeles\"   title=\"\u0441\u0435\u0440\u0432\u0435\u0440\u0430\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3650\">\u0441\u0435\u0440\u0432\u0435\u0440\u0430<\/a> \u0431\u044b\u043b \u0432\u044b\u0431\u0440\u0430\u043d Linux, \u0430 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 ddpt (http:\/\/sg.danny.cz\/sg\/ddpt.html). \u041a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0441 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u0442\u0430\u043a\u043e\u0439 \u043a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u0438 \u043c\u043e\u0436\u043d\u043e \u043b\u044e\u0431\u044b\u0435 \u0442\u043e\u043c\u0430 \u043e\u0442 \u043b\u044e\u0431\u043e\u0439 \u041e\u0421, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0438\u0434\u0435\u0442 \u043f\u043e\u0431\u043b\u043e\u0447\u043d\u043e \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0421\u0425\u0414. \u041f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043d\u0430\u0434\u043e \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0431\u043b\u043e\u0447\u043d\u043e, \u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0431\u043b\u043e\u043a\u043e\u0432 \u043d\u0430\u0434\u043e \u043f\u043e\u0441\u0447\u0438\u0442\u0430\u0442\u044c, \u0442\u043e \u0434\u043b\u044f \u043f\u043e\u0434\u0441\u0447\u0435\u0442\u0430 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u0430 \u0442\u0430\u043a\u0438\u0445 \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u0439 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0430\u0441\u044c \u043a\u043e\u043c\u0430\u043d\u0434\u0430 blockdev. \u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u0440\u0430\u0437\u043c\u0435\u0440 \u0431\u043b\u043e\u043a\u0430 \u0431\u044b\u043b \u043f\u043e\u043b\u0443\u0447\u0435\u043d \u043e\u043f\u044b\u0442\u043d\u044b\u043c \u043f\u0443\u0442\u0435\u043c, \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c \u0431\u043b\u043e\u043a\u043e\u043c ddpt \u043d\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u043b \u043f\u043e \u0444\u0430\u043a\u0442\u0443. \u0412 \u0438\u0442\u043e\u0433\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u0441\u044f \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0441\u0442\u043e\u0439 \u0441\u043a\u0440\u0438\u043f\u0442:<\/p>\n<pre><code class=\"bash\">#!\/bin\/bash\n# first parameter = input device\n# second parameter = output device\n# device size must be the same\n# changing bs variable can reduce speed, max speed should be at bs=32768. 32768 is max setting, lower settings should be calculated dividing by 2\n\nset -o nounset\nbs=32768\ns=`blockdev --getsz $1`\ni=0\nwhile [ $i -le $s ]\ndo\nddpt of=$2 bs=512 oflag=xcopy,direct if=$1 iflag=xcopy,direct count=$bs verbose=-1 skip=$i seek=$i\ni=$(( $i+$bs ))\ndone<\/code><\/pre>\n<p>\n\u0414\u0430\u0432\u0430\u0439\u0442\u0435 \u0441\u0434\u0435\u043b\u0430\u0435\u043c \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0443\u044e \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0443! \u041d\u0443 \u043a\u0430\u043a \u043d\u0435\u0431\u043e\u043b\u044c\u0448\u0443\u044e, 1\u0422\u0411 \u0444\u0430\u0439\u043b \u0441\u043e\u0437\u0434\u0430\u0432\u0430\u043b\u0441\u044f \u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u043b\u0441\u044f md5sum \u043d\u0435\u0431\u044b\u0441\u0442\u0440\u043e \ud83d\ude42<\/p>\n<pre><code class=\"bash\">root@sales-demo-05:\/home\/vasilyk# blockdev --getsz \/dev\/mapper\/mpathfs\n2516582400\nroot@sales-demo-05:\/home\/vasilyk# blockdev --getsz \/dev\/mapper\/mpathfr\n2516582400\nroot@sales-demo-05:\/home\/vasilyk# mount \/dev\/mapper\/mpathfs \/xcopy_source\/\nmount: \/xcopy_source: wrong fs type, bad option, bad superblock on \/dev\/mapper\/mpathfs, missing codepage or helper program, or other error.\nroot@sales-demo-05:\/home\/vasilyk# mkfs \/dev\/mapper\/mpathfs\nmke2fs 1.44.1 (24-Mar-2018)\nDiscarding device blocks: done\nCreating filesystem with 314572800 4k blocks and 78643200 inodes\nFilesystem UUID: bed3ea00-c181-4b4e-b52e-d9bb498be756\nSuperblock backups stored on blocks:\n        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,\n        4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,\n        102400000, 214990848\n\nAllocating group tables: done\nWriting inode tables: done\nWriting superblocks and filesystem accounting information: done\n\nroot@sales-demo-05:\/home\/vasilyk# mount \/dev\/mapper\/mpathfs \/xcopy_source\/\nroot@sales-demo-05:\/home\/vasilyk# ls -l \/xcopy_source\/\ntotal 16\ndrwx------ 2 root root 16384 Aug 19 15:35 lost+found\nroot@sales-demo-05:\/home\/vasilyk# head -c 1T &lt;\/dev\/urandom &gt; \/xcopy_source\/1TB_file\nroot@sales-demo-05:\/home\/vasilyk# ls -l \/xcopy_source\/\ntotal 1074791444\n-rw-r--r-- 1 root root 1099511627776 Aug 19 17:25 1TB_file\ndrwx------ 2 root root         16384 Aug 19 15:35 lost+found\nroot@sales-demo-05:\/home\/vasilyk# umount \/xcopy_source\nroot@sales-demo-05:\/home\/vasilyk# mount \/dev\/mapper\/mpathfr \/xcopy_dest\/\nmount: \/xcopy_dest: wrong fs type, bad option, bad superblock on \/dev\/mapper\/mpathfr, missing codepage or helper program, or other error.\nroot@sales-demo-05:\/home\/vasilyk# cat xcopy.sh\n#!\/bin\/bash\n# first parameter = input device\n# second parameter = output device\n# device size must be the same\n# changing bs variable can reduce speed, max speed should be at bs=32768. 32768 is max setting, lower settings should be calculated dividing by 2\n\nbs=32768\ns=`blockdev --getsz $1`\ni=0\nwhile [ $i -le $s ]\ndo\nddpt of=$2 bs=512 oflag=xcopy,direct if=$1 iflag=xcopy,direct count=$bs verbose=-1 skip=$i seek=$i\ni=$(( $i+$bs ))\ndone\nroot@sales-demo-05:\/home\/vasilyk# time .\/xcopy.sh \/dev\/mapper\/mpathfs \/dev\/mapper\/mpathfr\nreal    11m30.878s\nuser    2m3.000s\nsys     1m11.657s<\/code><\/pre>\n<p>\n\u0427\u0442\u043e \u0432 \u044d\u0442\u043e\u0442 \u043c\u043e\u043c\u0435\u043d\u0442 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u043b\u043e \u043d\u0430 \u0421\u0425\u0414:<\/p>\n<p><img decoding=\"async\" alt=\"\u041a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0442\u043e\u043c\u043e\u0432 \u043d\u0430 \u0421\u0425\u0414 \u0447\u0435\u0440\u0435\u0437 Linux \u0441\u0435\u0440\u0432\u0435\u0440 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c XCOPY\" src=\"\/wp-content\/uploads\/2020\/08\/1745a38fe0a98d99ad7c8153bf1c19c4.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0438\u043c \u0441 \u041b\u0438\u043d\u0443\u043a\u0441\u043e\u043c.<\/i><\/p>\n<pre><code class=\"bash\">root@sales-demo-05:\/home\/vasilyk# mount \/dev\/mapper\/mpathfr \/xcopy_dest\/\nroot@sales-demo-05:\/home\/vasilyk# ls -l \/xcopy_dest\/\ntotal 1074791444\n-rw-r--r-- 1 root root 1099511627776 Aug 19 17:25 1TB_file\ndrwx------ 2 root root         16384 Aug 19 15:35 lost+found\nroot@sales-demo-05:\/home\/vasilyk# mount \/dev\/mapper\/mpathfs \/xcopy_source\/\nroot@sales-demo-05:\/home\/vasilyk# md5sum \/xcopy_source\/1TB_file\n53dc6dfdfc89f099c0d5177c652b5764  \/xcopy_source\/1TB_file\nroot@sales-demo-05:\/home\/vasilyk# md5sum \/xcopy_dest\/1TB_file\n53dc6dfdfc89f099c0d5177c652b5764  \/xcopy_dest\/1TB_file\nroot@sales-demo-05:\/home\/vasilyk#<\/code><\/pre>\n<p>\u0412\u0441\u0435 \u043f\u043e\u043b\u0443\u0447\u0438\u043b\u043e\u0441\u044c, \u043d\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u0443\u0439\u0442\u0435 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435 \u043d\u0430 \u0441\u0432\u043e\u0439 \u0441\u0442\u0440\u0430\u0445 \u0438 \u0440\u0438\u0441\u043a! \u041a\u0430\u043a \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0439 \u0442\u043e\u043c \u043b\u0443\u0447\u0448\u0435 \u0431\u0440\u0430\u0442\u044c \u0441\u043d\u0435\u043f\u0448\u043e\u0442\u044b, \u0434\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430.<br \/>\n<br \/>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/515834\/\">habr.com<\/a> <\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0411\u044b\u0432\u0430\u0435\u0442, \u0447\u0442\u043e \u043d\u0443\u0436\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u0443\u044e \u043a\u043e\u043f\u0438\u044e \u0442\u043e\u043c\u0430 \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u043e\u0434\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 (\u0421\u0425\u0414), \u043d\u0435 \u0441\u043d\u0438\u043c\u043e\u043a, \u043a\u043b\u043e\u043d, \u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u044b\u0439 \u0442\u043e\u043c. \u041d\u043e \u043d\u0435 \u0432\u0441\u0435\u0433\u0434\u0430 \u0421\u0425\u0414 \u0434\u0430\u0435\u0442 \u044d\u0442\u043e \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0432\u043d\u0443\u0442\u0440\u0438 \u0441\u0435\u0431\u044f \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u043c\u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438. \u0412\u0440\u043e\u0434\u0435 \u0435\u0434\u0438\u043d\u0441\u0442\u0432\u0435\u043d\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043a\u043e\u043f\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0447\u0435\u0440\u0435\u0437 \u0441\u0435\u0440\u0432\u0435\u0440, \u043d\u043e \u043f\u0440\u0438 \u044d\u0442\u043e\u043c \u0432\u0435\u0441\u044c \u043e\u0431\u044a\u0435\u043c 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