{"id":103,"date":"2020-11-04T18:59:52","date_gmt":"2020-11-04T10:59:52","guid":{"rendered":"https:\/\/www.ems5.com\/?page_id=103"},"modified":"2021-01-24T21:40:39","modified_gmt":"2021-01-24T13:40:39","slug":"ems5-das","status":"publish","type":"page","link":"https:\/\/www.ems5.com\/?page_id=103","title":{"rendered":"EMS5 DAS"},"content":{"rendered":"<p><span style=\"color: #000000;\">DAS (Direct Accessed Storage)\u76f4\u63a5\u9644\u52a0\u5b58\u5132\u7cfb\u7d71<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-234\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS1.png\" alt=\"\" width=\"709\" height=\"414\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS1.png 709w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS1-300x175.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS1-600x350.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS1-400x234.png 400w\" sizes=\"(max-width: 709px) 100vw, 709px\" \/><\/p>\n<p><span style=\"color: #000000;\">SAN (Storage Area Network)\u5132\u5b58\u5340\u57df\u7db2\u8def<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-236\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS3.png\" alt=\"\" width=\"758\" height=\"357\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS3.png 758w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS3-300x141.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS3-600x283.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS3-400x188.png 400w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/><\/p>\n<h2><strong><span style=\"color: #993300;\">DAS\u7522\u54c1\u7279\u8272\uff1a<\/span><\/strong><\/h2>\n<ul>\n<li><span style=\"color: #000000;\">\u6700\u4f73\u76f8\u5bb9\u6027:\u4e0d\u9700\u5b89\u88dd\u9a45\u52d5\u7a0b\u5f0f<\/span><\/li>\n<li><span style=\"color: #000000;\">\u5bb9\u932f ( \u96fb\u6e90 , \u786c\u789f , \u63a7\u5236\u5668, \u98a8\u6247 ) <\/span><\/li>\n<li><span style=\"color: #000000;\">\u652f\u63f4\u591a\u4e3b\u6a5f\u5e73\u53f0(NT,2003\/2008,HP\/Unix\uff0cAIX\uff0cSolaris\uff0cLinux)<\/span><\/li>\n<li><span style=\"color: #000000;\">\u5b89\u88dd\u5bb9\u6613 ( \u900f\u904e iSCSI \u3001SAS\u3001Fibre \u9023\u63a5 )<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7dad\u8b77\u5bb9\u6613 ( Hot Swap , Auto Rebuild )<\/span><\/li>\n<li><span style=\"color: #000000;\">\u5bb9\u6613\u6545\u969c\u6392\u9664: \u786c\u789f\u6545\u969c\u6307\u793a\u71c8,\u74b0\u5883\u76e3\u6e2c\u63a7\u5236\u5668\u3001e-mail \u6545\u969c\u901a\u77e5<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7ba1\u7406\u5bb9\u6613:LCD\u9762\u677f , RS232\u4ecb\u9762 , Ethernet\u4ecb\u9762<\/span><\/li>\n<li><span style=\"color: #000000;\">\u5ee3\u6cdb\u9069\u5408\u5404\u7a2e\u61c9\u7528\u74b0\u5883<\/span><\/li>\n<\/ul>\n<h2><strong><span style=\"color: #993300;\">DAS \u7cfb\u5217\u7522\u54c1\uff1a<\/span><\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-235\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS2.png\" alt=\"\" width=\"785\" height=\"383\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS2.png 785w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS2-300x146.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS2-768x375.png 768w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS2-600x293.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/DAS2-400x195.png 400w\" sizes=\"(max-width: 785px) 100vw, 785px\" \/><\/p>\n<h2><span style=\"color: #993300;\"><strong>Snapshot:<\/strong><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-237\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS4.png\" alt=\"\" width=\"587\" height=\"269\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS4.png 587w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS4-300x137.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS4-400x183.png 400w\" sizes=\"(max-width: 587px) 100vw, 587px\" \/><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u53ef\u5beb\u5f0f\u5feb\u7167<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6bcf\u53f0DAS\u53ef\u88fd\u4f5c512\u4efd\u5feb\u7167 (\u5171\u53ef\u4ee5\u5efa\u7acb16\u500b\u908f\u8f2f\u78c1\u789f,\u6bcf\u500b\u908f\u8f2f\u78c1\u789f\u53ef\u5efa\u7acb32\u500b\u5feb\u7167<\/span><\/li>\n<li><span style=\"color: #000000;\">\u63d0\u4f9b\u5373\u6642\u78c1\u789f\u6620\u50cf\u6062\u5fa9\u53ca\u5012\u56de(Restore\/Rollback )<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6548\u80fd\u4e0d\u53d7\u5f71\u97ff<\/span><\/li>\n<li><span style=\"color: #000000;\">\u70ba\u5167\u5efa\u529f\u80fd,\u4e0d\u9700\u82b1\u8cbb\u984d\u5916\u7684\u6210\u672c\u63a1\u8cfc<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-238\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS5.png\" alt=\"\" width=\"682\" height=\"465\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS5.png 682w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS5-300x205.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS5-600x409.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS5-400x273.png 400w\" sizes=\"(max-width: 682px) 100vw, 682px\" \/><\/p>\n<h2><strong><span style=\"color: #993300;\">Replication\uff1a<\/span><\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-239\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS6.png\" alt=\"\" width=\"607\" height=\"113\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS6.png 607w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS6-300x56.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS6-600x112.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS6-400x74.png 400w\" sizes=\"(max-width: 607px) 100vw, 607px\" \/><\/p>\n<ul>\n<li><span style=\"color: #000000;\">Replication\u529f\u80fd\u662f\u4ee5Snapshot\u529f\u80fd\u70ba\u57fa\u6e96\u7684\u975e\u540c\u6b65\u9060\u7aef\u8cc7\u6599\u8907\u88fd,\u7121\u6cd5\u5373\u6642\u540c\u6b65(HA)<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7576\u555f\u7528Replication\u529f\u80fd\u6642,\u6703\u4f54\u64da\u4e00\u500biSCSI port<\/span><\/li>\n<li><span style=\"color: #000000;\">\u9663\u5217\u5230\u9663\u5217\u7684\u8907\u88fd\uff0c\u53ef\u4ee5\u6e1b\u5c11\u61c9\u7528\u4f3a\u670d\u5668\u4e0a\u7684CPU\u5de5\u4f5c\u91cf<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7570\u5730\u7aef\u7684\u7b2c\u4e00\u4efd\u8cc7\u6599 Replication \u662fFull snapshot ,\u4e4b\u5f8c\u662f Incremental<\/span><\/li>\n<li><span style=\"color: #000000;\">\u63a1\u7528 Block-level \u7684\u589e\u91cf\u5099\u4efd (\u548c file-level \u7684\u8907\u88fd)<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7576\u7db2\u8def\u6545\u969c\u6642,\u6703\u5b9a\u671f\u6e2c\u8a66<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6b64\u529f\u80fd\u70ba\u9078\u8cfc\u529f\u80fd(iSCSI \u7cfb\u5217\u548cFiber+iSCSI \u7cfb\u5217)<\/span><\/li>\n<\/ul>\n<h2><strong><span style=\"color: #993300;\">Snapshot+Replication=Disaster Recovery Plan<\/span><\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-240\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS7.png\" alt=\"\" width=\"410\" height=\"292\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS7.png 410w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS7-300x214.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS7-400x285.png 400w\" sizes=\"(max-width: 410px) 100vw, 410px\" \/><\/p>\n<ul>\n<li><span style=\"color: #000000;\">Snapshot \u642d\u914d Replication \u529f\u80fd\u7684\u61c9\u7528,\u5df2\u76f8\u7576\u63a5\u8fd1 CDP (Continuous Data Protection)\u9023\u7e8c\u6578\u64da\u8cc7\u6599\u4fdd\u8b77),\u56e0\u70ba\u53ea\u505a\u589e\u91cf\u8907\u88fd,\u6240\u4ee5\u975e\u5e38\u6709\u6548\u7387<\/span><\/li>\n<li><span style=\"color: #000000;\">RPO (Recovery Point Objective)\u6307\u7684\u662f\u7576\u707d\u96e3\u767c\u751f\u6642\uff0c\u4f01\u696d\u80fd\u5920\u63a5\u53d7\u8cc7\u6599\u907a\u5931\u7684\u591a\u5be1\uff0c\u4e5f\u5c31\u662f\u8cc7\u6599\u907a\u5931\u7684\u6642\u9593\u9577\u77ed,\u6211\u5011\u7684RPO \u53ef\u964d\u5230\u53ea\u9700\u8981\u5e7e\u5206\u9418\u6642\u9593 <\/span><\/li>\n<li><span style=\"color: #000000;\">RTO (Recovery Time Objective) \u6307\u7684\u662f\u7576\u707d\u96e3\u767c\u751f\u6642\uff0c\u5c07\u8cc7\u6599\u5b8c\u5168\u5fa9\u539f\u6240\u9700\u82b1\u8cbb\u7684\u6642\u9593<\/span><\/li>\n<\/ul>\n<h2><strong><span style=\"color: #993300;\">Volume Cloning<\/span><\/strong><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-241\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS8.png\" alt=\"\" width=\"401\" height=\"337\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS8.png 401w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS8-300x252.png 300w\" sizes=\"(max-width: 401px) 100vw, 401px\" \/><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u975e\u540c\u6b65\u672c\u5730\u8907\u88fd <\/span><\/li>\n<li><span style=\"color: #000000;\">\u5141\u8a31\u5728\u6709\u9650\u7684\u9810\u7b97\u4e0b,\u8b93\u7528\u6236\u5728\u540c\u4e00\u500bRAID\u4e2d,\u91dd\u5c0d\u9078\u5b9a\u7684volume\u505a\u6392\u7a0b\u5099\u4efd<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #993300;\">Multiple Nodes<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-242\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS9.png\" alt=\"\" width=\"522\" height=\"265\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS9.png 522w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS9-300x152.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS9-400x203.png 400w\" sizes=\"(max-width: 522px) 100vw, 522px\" \/><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u6bcf\u7247\u63a7\u5236\u5668\u4e0a\u53ef\u4ee5\u8a2d\u5b9a\u9ad8\u90544\u500bLUN0 (for\u67d0\u4e9b\u53ea\u80fd\u8a8d\u5f97LUN0\u7684\u6a5f\u5668\u61c9\u7528)<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6bcf\u500b iSCSI GbE port \u53ef\u4ee5\u652f\u63f4 254 LUNs<\/span><\/li>\n<li><span style=\"color: #000000;\">4 iSCSI ports \u5171\u53ef\u652f\u63f41024 LUNs<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #993300;\">MPIO, Trunking, LACP, MC\/S<\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-243\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS10.png\" alt=\"\" width=\"425\" height=\"250\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS10.png 425w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS10-300x176.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS10-400x235.png 400w\" sizes=\"(max-width: 425px) 100vw, 425px\" \/><\/p>\n<ul>\n<li><span style=\"color: #000000;\">LACP(Link Aggregation Control Protocol) \u8a2d\u8a08\u9069\u5408\u7528\u65bc\u5927\u983b\u5bdb\u9700\u6c42\/Fail over \u7684\u74b0\u5883\u4e2d\u4f7f\u7528 , iSCSI port\u53ef\u4ee5\u505aLACP\u5408\u4f75\u983b\u5bdb\u4f7f\u7528, Switch\u4e5f\u8981\u652f\u63f4\u6b64\u529f\u80fd\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">MPIO (multi-path I\/O,\u591a\u8def\u5f91I\/O)\u662f\u5728\u8f03\u9ad8\u7684\u7db2\u8def\u61c9\u7528\u5c64(iSCSI\u6307\u4ee4\u5c64)\u4e0a\u904b\u4f5c,\u5c31\u662f\u91dd\u5c0d SAN (IP-SAN\u3001FC-SAN)\u6240\u505a\u7684\u6545\u969c\u5207\u63db\u53ca\u8ca0\u8f09\u5e73\u8861\u7684\u8a2d\u8a08\u4e0a,\u5c6c\u65bc Block Level ,\u53ef\u4ee5\u91dd\u5c0d\u6bcf\u4e00\u500bLUN\u5206\u5225\u8a2d\u5b9a\u904b\u4f5c(\u6b64\u529f\u80fd\u70ba\u9078\u8cfc\u529f\u80fd)\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">MC\/S((\u591a\u91cd\u9023\u7d50)\u662f\u5728iSCSI\u5c64\u4e0a\u904b\u4f5c,\u5177\u6709\u66f4\u5e95\u5c64\u7684\u9a57\u8b49\u50b3\u8f38\u80fd\u529b,\u5b83\u662f\u91dd\u5c0d\u540c\u6642\u5728\u55ae\u4e00\u7db2\u8def\u6703\u8ac7\u4e2d\u7684\u6240\u6709LUNs\u4e00\u540c\u8a2d\u5b9a,\u7121\u6cd5\u5206\u958b\u8a2d\u5b9a ,\u5982\u5728\u4e0d\u5177\u5099\u5167\u5efaMPIO\u529f\u80fd\u7684\u64cd\u4f5c\u7cfb\u7d71(\u4f8b:Windows XP,\u975e\u4f3a\u670d\u52d9\u5668\u7248\u672c)\u7684\u60c5\u5f62\u4e0b\u3002<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #993300;\">\u652f\u63f4LACP Trunking<\/span><\/h2>\n<ul>\n<li><span style=\"color: #000000;\">\u652f\u63f4 IEEE 802.3ad Ethernet teaming \u529f\u80fd<\/span><\/li>\n<li><span style=\"color: #000000;\">\u96c6\u6210\u591a\u500b iSCSI ports \u70ba\u4e00\u500b IP address<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7576\u5176\u4e2d\u4e00\u689d\u5be6\u9ad4\u7db2\u8def\u9023\u63a5\u4e2d\u65b7\u6642,\u00a0 I\/O \u4ecd\u53ef\u4fdd\u6301\u904b\u4f5c,\u4e0d\u53d7\u5f71\u97ff<\/span><\/li>\n<li><span style=\"color: #000000;\">\u63d0\u4f9b\u6545\u969c\u8f49\u79fb(Fail over)\u548c\u8ca0\u8f09\u5e73\u8861(load balancing)\u5169\u7a2e\u7528\u9014<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-244\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS11.png\" alt=\"\" width=\"595\" height=\"110\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS11.png 595w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS11-300x55.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS11-400x74.png 400w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/><\/p>\n<h2><span style=\"color: #993300;\"><b>Multiple Path I\/O<\/b><\/span><\/h2>\n<ul>\n<li><span style=\"color: #000000;\">\u7576\u4f3a\u670d\u5668\u7aef\u6709\u5169\u500b\u6216\u5169\u500b\u4ee5\u4e0a\u7684HBA\u5361\u6642,\u53ef\u4ee5\u904b\u7528MPIO\u529f\u80fd,\u5728\u4f3a\u670d\u52d9\u5668\u8207\u4ea4\u63db\u6a5f\u9593\u5be6\u73fe\u9ad8\u53ef\u7528\u6027\u548c\u8ca0\u8f09\u5e73\u8861<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-246\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS12.png\" alt=\"\" width=\"631\" height=\"161\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS12.png 631w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS12-300x77.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS12-600x153.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS12-400x102.png 400w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/><\/p>\n<h2><span style=\"color: #993300;\"><b>\u96d9\u63a7\u5236\u5668<\/b><\/span><\/h2>\n<ul>\n<li><span style=\"color: #000000;\">\u63d0\u9ad8\u6a5f\u5668\u7684\u6b63\u5e38\u904b\u884c\u6642\u9593,\u4e0d\u56e0\u55ae\u9ede\u6545\u969c\u800c\u505c\u64fa<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-247\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS13.png\" alt=\"\" width=\"586\" height=\"221\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS13.png 586w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS13-300x113.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS13-400x151.png 400w\" sizes=\"(max-width: 586px) 100vw, 586px\" \/><\/p>\n<h2><span style=\"color: #993300;\"><b>Hard Drive Energy-saving &amp; Data Protection<\/b><\/span><\/h2>\n<p><span style=\"color: #000000;\">Hard drive spin-down(\u78c1\u789f\u81ea\u52d5\u7bc0\u80fd\u964d\u901f)<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u91dd\u5c0d\u4e0d\u540c\u7684\u61c9\u7528,\u53ef\u8abf\u9078\u786c\u789f\u964d\u901f\u7684\u6642\u9593,\u8abf\u6574\u9078\u9805: 30sec\/ 1 min\/ 5 min\/ 30 min<\/span><\/li>\n<li><span style=\"color: #000000;\">\u9700\u6c42:\u786c\u789f\u8b80\u5beb\u982d\u9700\u652f\u63f4\u591a\u7a2e\u64cd\u4f5c\u6a21\u5f0f<\/span><\/li>\n<li><span style=\"color: #000000;\">\u514d\u8cbb\u8edf\u9ad4\u5347\u7d1a<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Disk Scrubbing(\u78c1\u789f\u6e05\u7406)<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u53ef\u7528\u65bc\u78ba\u4fdd\u6240\u6709\u786c\u789f\u90fd\u5df2\u6b63\u78ba\u7684\u5b89\u88dd<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">Volume Scrubbing or Parity Checking( Volume \u6e05\u7406)<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">\u627e\u5230\u96b1\u85cf\u7684\u932f\u8aa4\u4e26\u8a66\u8457\u4fee\u5fa9,\u9632\u6b62volume\u7684 crash<\/span><\/li>\n<\/ul>\n<h2><span style=\"color: #993300;\"><b>Thin Provisioning<\/b> <\/span><\/h2>\n<ul>\n<li><span style=\"color: #000000;\">\u5404\u7a2e\u7814\u7a76\u986f\u793a\uff0c\u591a\u905475\uff05\u7684\u4e2d\u5c0f\u578b\u4f01\u696d\u6216\u5927\u578b\u6578\u64da\u4e2d\u5fc3\u7684\u5b58\u5132\u5bb9\u91cf\u88ab\u5206\u914d\u4f46\u672a\u88ab\u4f7f\u7528\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7cbe\u7c21\u914d\u7f6e(Thin Provisioning)\u662f\u4e00\u7a2e\u5132\u5b58\u865b\u64ec\u5316\u6280\u8853\u3002\u5b83\u63d0\u4f9b\u4e86\u52d5\u614b\u5b58\u5132\u7a7a\u9593\u5206\u914d,\u4f46\u7a7a\u9593\u5be6\u969b\u4e0a\u4e0d\u5b58\u5728,\u5229\u7528\u865b\u64ec\u5316\u8b93\u6709\u5f62\u7684\u5132\u5b58\u7a7a\u9593\u9054\u5230\u66f4\u597d\u5730\u5229\u7528\u3002<\/span><\/li>\n<li><span style=\"color: #000000;\">\u7cbe\u7c21\u914d\u7f6e\u63d0\u4f9b\u4e86\u6bd4\u5be6\u969b\u53ef\u7528\u5b58\u5132\u7cfb\u7d71\u66f4\u591a\u7684\u5b58\u5132\u7a7a\u9593\u3002\u904b\u7528Thin Provisioning\u6280\u8853,\u53ef\u8b93\u524d\u7aef\u7684\u4f3a\u670d\u5668\u4ee5\u70ba\u5f8c\u7aef\u5132\u5b58\u8a2d\u5099\u5b89\u88dd\u4e86\u6bd4\u5be6\u969b\u9084\u591a\u7684\u5132\u5b58\u5bb9\u91cf\uff0c\u6709\u6548\u63d0\u5347\u8cc7\u7522\u4f7f\u7528\u7387;\u65e5\u5f8c\u64f4\u5145\u4e5f\u4e0d\u53d7\u4efb\u4f55\u5f71\u97ff,\u53ef\u4e0d\u7528\u4e00\u6b21\u8cb7\u8db3\u6240\u6709\u7684\u5132\u5b58\u78c1\u789f\u6216\u8a2d\u5099<\/span><\/li>\n<li><span style=\"color: #000000;\">\u6b64\u529f\u80fd\u70ba\u9078\u8cfc\u529f\u80fd<\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-248\" src=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS14.png\" alt=\"\" width=\"618\" height=\"237\" srcset=\"https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS14.png 618w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS14-300x115.png 300w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS14-600x230.png 600w, https:\/\/www.ems5.com\/wp-content\/uploads\/2021\/01\/NAS14-400x153.png 400w\" sizes=\"(max-width: 618px) 100vw, 618px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DAS (Direct Accessed Storage)\u76f4&hellip;<a href=\"https:\/\/www.ems5.com\/?page_id=103\" class=\"more-link\"><span class=\"more-button\">Continue reading<span class=\"screen-reader-text\">EMS5 DAS<\/span><\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"parent":12,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"templates\/full-width-page.php","meta":{"footnotes":""},"_links":{"self":[{"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/pages\/103"}],"collection":[{"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ems5.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=103"}],"version-history":[{"count":4,"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/pages\/103\/revisions"}],"predecessor-version":[{"id":249,"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/pages\/103\/revisions\/249"}],"up":[{"embeddable":true,"href":"https:\/\/www.ems5.com\/index.php?rest_route=\/wp\/v2\/pages\/12"}],"wp:attachment":[{"href":"https:\/\/www.ems5.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=103"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}