{"id":4654,"date":"2017-01-22T00:48:07","date_gmt":"2017-01-21T16:48:07","guid":{"rendered":"https:\/\/www.icocean.com\/blog\/?p=4654"},"modified":"2017-01-22T00:48:07","modified_gmt":"2017-01-21T16:48:07","slug":"%e7%a3%81%e7%9b%98%e7%9a%84%e5%9f%ba%e7%a1%80%e7%9f%a5%e8%af%86-%e6%89%87%e5%8c%basectortrack%e3%80%81%e7%a3%81%e9%81%93%e6%9f%b1%e9%9d%a2cylinder%e3%80%81%e7%a3%81%e5%a4%b4","status":"publish","type":"post","link":"https:\/\/www.icocean.com\/blog\/?p=4654","title":{"rendered":"\u78c1\u76d8\u7684\u57fa\u7840\u77e5\u8bc6\u2014\u2014\u6247\u533aSector\/track\u3001\u78c1\u9053\/\u67f1\u9762cylinder\u3001\u78c1\u5934\u6570head"},"content":{"rendered":"

\"\"
\nCylinder \u67f1\u9762\u6570 \u8868\u793a\u786c\u76d8\u6bcf\u9762\u76d8\u9762\u4e0a\u6709\u51e0\u6761\u78c1\u9053\u3002
\nHead \u78c1\u5934\u6570 \u8868\u793a\u78c1\u76d8\u5171\u6709\u51e0\u4e2a\u78c1\u5934\uff0c\u4e5f\u5c31\u662f\u51e0\u9762\u76d8\u9762\u3002
\nSector\/Track \u6247\u533a\u6570 \u8868\u793a\u6bcf\u6761\u78c1\u9053\u4e0a\u6709\u51e0\u4e2a\u6247\u533a\u3002
\n\u903b\u8f91\u533a\u5757 Block\uff1a\u903b\u8f91\u533a\u5757 \u662f\u5728 partition \u8fdb\u884c filesystem \u7684\u683c\u5f0f\u5316\u65f6\uff0c\u6240\u6307\u5b9a\u7684\u6700\u5c0f\u5b58\u50a8\u5355\u4f4d\u3002Block \u7684\u5927\u5c0f\u4e3a Sector \u7684 2 \u7684\u6b21\u65b9\u500d\u6570\u3002\u78c1\u5934\u4e00\u6b21\u53ef\u4ee5\u8bfb\u53d6\u4e00\u4e2a block\u3002<\/p>\n

\u770b fdisk -l \u7684\u8f93\u51fa\u4f8b\u5b50:<\/p>\n

Disk \/dev\/vm_storage_pool_vg\/vm4: 19.3 GB, 19327352832 bytes
\n255 heads, 63 sectors\/track, 2349 cylinders
\nUnits = cylinders of 16065 * 512 = 8225280 bytes
\nSector size (logical\/physical): 512 bytes \/ 512 bytes
\nI\/O size (minimum\/optimal): 512 bytes \/ 512 bytes
\nDisk identifier: 0x00014b4f<\/p>\n

Device Boot Start End Blocks Id System
\n\/dev\/vm_storage_pool_vg\/vm4p1 * 1 66 524288 83 Linux
\nPartition 1 does not end on cylinder boundary.
\n\/dev\/vm_storage_pool_vg\/vm4p2 66 588 4194304 82 Linux swap \/ Solaris
\nPartition 2 does not end on cylinder boundary.
\n\/dev\/vm_storage_pool_vg\/vm4p3 588 2350 14154752 8e Linux LVM<\/p>\n

\u8fd9\u91cc\u6709 255 \u4e2a\u78c1\u5934\uff0c\u6bcf\u4e2a\u78c1\u9053\u6709 63 \u4e2a\u6247\u533a\uff0c\u4e00\u4e2a\u76d8\u7247\u6709 2349 \u4e2a\u78c1\u9053\u3002<\/p>\n

\u4e00\u4e2a\u6247\u533a\u7684\u5927\u5c0f\u662f 512 bytes\u3002<\/p>\n

\u8ba1\u7b97\u4e00\u4e0b\uff0c255 * 63 * 512 * 2349 = 19321182720 bytes\uff0c\u548c 19327352832 \u6709\u70b9\u5dee\u8ddd(\u4e3a\u4ec0\u4e48\uff1f)\u3002<\/p>\n

\u770b Units \u8fd9\u4e00\u884c\uff0c16065 = 255 * 63\uff0c\u662f Sector\/Track \u548c Head \u7684\u4e58\u79ef\uff0c\u5b83\u518d\u4e58\u4ee5 Sector \u5927\u5c0f(512 bytes) \u5373\u662f Units\uff0c\u5b83\u8868\u793a\u4e00\u4e2a\u5782\u76f4 Cylinder \u7684\u5b57\u8282\u6570\u3002<\/p>\n

\u53e6\u5916\uff0cfdisk -l \u4f7f\u7528 cylinders\uff0c\u52a0\u4e0a -u \u8868\u793a\u4f7f\u7528 sectors\u3002<\/p>\n

-u When listing partition tables, give sizes in sectors instead of cylinders.<\/p>\n

http:\/\/www.vinidox.com\/linux\/disk\/ouput-of-fdisk-explained\/ <\/p>\n

https:\/\/en.wikipedia.org\/wiki\/Cylinder-head-sector#Blocks_and_clusters
\n\u78c1\u76d8\u7684\u7269\u7406\u7ed3\u6784<\/p>\n

\u78c1\u76d8\u662f\u7531\u82e5\u5e72\u5757\u575a\u786c\u91d1\u5c5e\u6750\u6599\u5236\u6210\u7684\u5e76\u6d82\u4ee5\u78c1\u6027\u4ecb\u8d28\u7684\u76d8\u7247\u538b\u5236\u800c\u6210\u3002\u6bcf\u4e2a\u76d8\u6709\u4e24\u9762\uff0c\u6bcf\u9762\u5404\u6709\u4e00\u4e2a\u78c1\u5934\uff0c\u90fd\u53ef\u8bb0\u5f55\u4fe1\u606f\u3002\u8981\u4e86\u89e3\u786c\u76d8\u7684\u7269\u7406\u7ed3\u6784\uff0c\u9700\u8981\u5f04\u61c2\u78c1\u9053\u3001\u6247\u533a\u3001\u67f1\u9762\u3001\u7c07\u7b49\u51e0\u4e2a\u6982\u5ff5.<\/p>\n

\u78c1\u9053\uff1a\u78c1\u76d8\u4e0a\u5212\u5206\u4e86\u5f88\u591a\u4e2a\u540c\u5fc3\u5706\uff0c\u8fd9\u4e9b\u540c\u5fc3\u5706\u5c31\u662f\u78c1\u9053\u3002\u4f46\u6253\u5f00\u786c\u76d8\uff0c\u7528\u6237\u4e0d\u80fd\u770b\u5230\u8fd9\u4e9b\uff0c\u5b9e\u9645\u4e0a\u78c1\u9053\u662f\u88ab\u78c1\u5934\u78c1\u5316\u7684\u540c\u5fc3\u5706\u3002\u78c1\u9053\u4e4b\u95f4\u662f\u6709\u95f4\u9694\u7684\uff0c\u56e0\u4e3a\u78c1\u5316\u5355\u5143\u592a\u8fd1\u4f1a\u4ea7\u751f\u5e72\u6270.<\/p>\n

\u6247\u533a\uff1a\u6bcf\u6761\u78c1\u9053\u88ab\u5206\u6210\u82e5\u5e72\u7b49\u4efd\u7684\u533a\u57df\uff0c\u6bcf\u4e2a\u533a\u57df\u5c31\u662f\u4e00\u7247\u6247\u533a\u3002\u6247\u533a\u662f\u786c\u76d8\u6570\u636e\u5b58\u50a8\u7684\u6700\u5c0f\u5355\u4f4d.<\/p>\n

\u67f1\u9762\uff1a\u5047\u5982\u4e00\u5757\u78c1\u76d8\u53ea\u67093\u4e2a\u78c1\u76d8\u7247\uff0c\u6bcf\u5757\u76d8\u7247\u7684\u78c1\u9053\u6570\u662f\u76f8\u7b49\u7684.\u4ece\u5916\u5708\u5f00\u59cb\uff0c\u8fd9\u4e9b\u78c1\u9053\u88ab\u5206\u6210\u4e860\u78c1\u9053\u30011\u78c1\u9053\u30012\u78c1\u9053\u2026\u2026\u3002\u5177\u6709\u76f8\u540c\u78c1\u9053\u7f16\u53f7\u7684\u540c\u5fc3\u5706\u7ec4\u6210\u9762\u5c31\u79f0\u4f5c\u67f1\u9762\u3002\u4e3a\u4e86\u4fbf\u4e8e\u7406\u89e3\uff0c\u67f1\u9762\u53ef\u4ee5\u770b\u4f5c\u6ca1\u6709\u5e95\u7684\u94c1\u6876\u3002\u67f1\u9762\u6570\u5c31\u662f\u78c1\u76d8\u4e0a\u7684\u78c1\u9053\u6570\u3002\u67f1\u9762\u662f\u786c\u76d8\u5206\u533a\u7684\u6700\u5c0f\u5355\u4f4d.<\/p>\n

\u4e00\u4e2a\u786c\u76d8\u7684\u5bb9\u91cf=\u67f1\u9762\u6570\uff08\u6216\u78c1\u9053\u6570\uff09\u00d7\u78c1\u5934\u6570\u00d7\u6247\u533a\u6570\u00d7\u6bcf\u4e2a\u6247\u533a\u7684\u5927\u5c0f\uff08\u901a\u5e38\u662f512\u5b57\u8282)
\n\u7c07\uff1a\u6247\u533a\u662f\u786c\u76d8\u6570\u636e\u5b58\u50a8\u7684\u6700\u5c0f\u5355\u4f4d\uff0c\u4f46\u64cd\u4f5c\u7cfb\u7edf\u65e0\u6cd5\u5bf9\u6570\u76ee\u4f17\u591a\u7684\u6247\u533a\u8fdb\u884c\u5bfb\u5740\uff0c\u6240\u4ee5\u64cd\u4f5c\u7cfb\u7edf\u5c31\u5c06\u76f8\u90bb\u7684\u6247\u533a\u7ec4\u5408\u5728\u4e00\u8d77\uff0c\u5f62\u6210\u4e00\u4e2a\u7c07\uff0c\u7136\u540e\u518d\u5bf9\u7c07\u8fdb\u884c\u7ba1\u7406.\u6bcf\u4e2a\u7c07\u53ef\u4ee5\u5305\u62ec2\u30014\u30018\u300116\u300132\u300164\u4e2a\u6247\u533a\u3002\u65cf\u6709\u65f6\u4e5f\u79f0\u4f5c\u78c1\u76d8\u5757(block)\u3002\u5b83\u662f\u5c5e\u4e8e\u6587\u4ef6\u7cfb\u7edf\u5c42\u9762\u7684\u6982\u5ff5\uff0c\u662f\u6587\u4ef6\u7cfb\u7edf\u5c42\u4e2d\u6570\u636e\u5b58\u50a8\u7684\u57fa\u672c\u5355\u4f4d\u3002<\/p>\n

\u78c1\u76d8\u7684\u5206\u533a<\/p>\n

\u8981\u638c\u63e1\u786c\u76d8\u7684\u5206\u533a\uff0c\u9700\u8981\u638c\u63e1MBR\u3001\u6269\u5c55\u5206\u533a\u3001\u903b\u8f91\u5206\u533a\u7684\u6982\u5ff5.<\/p>\n

\u786c\u76d8\u91cc\u5206\u4e3a\u4e24\u4e2a\u533a\u57df\uff0c\u4e00\u4e2a\u662f\u653e\u7f6e\u8be5\u786c\u76d8\u7684\u4fe1\u606f\u533a\uff0c\u79f0\u4e4b\u4e3a\u4e3b\u5f15\u5bfc\u6247\u533a(master boot recorder,MBR)\uff0c\u4e00\u4e2a\u662f\u5b9e\u9645\u6587\u4ef6\u6570\u636e\u653e\u7f6e\u7684\u5730\u65b9\u3002\u5176\u4e2d\uff0cMBR\u662f\u6574\u4e2a\u78c1\u76d8\u6700\u91cd\u8981\u7684\u533a\u57df\u3002\u4e00\u65e6MBR\u7269\u7406\u5b9e\u4f53\u635f\u574f\u65f6\uff0c\u5219\u8be5\u78c1\u76d8\u5c31\u5dee\u4e0d\u591a\u62a5\u5e9f\u4e86.\u4e00\u822c\u6765\u8bf4\uff0cMBR\u6709512\u4e2a\u5b57\u8282\uff0c\u4e14\u53ef\u4ee5\u5206\u4e3a\u4e24\u4e2a\u90e8\u5206.<\/p>\n

\u7b2c\u4e00\u90e8\u5206\u6709446\u4e2a\u5b57\u8282\uff0c\u7528\u4e8e\u5b58\u653e\u5f15\u5bfc\u4ee3\u7801\uff0c\u5373bootloader.
\n\u7b2c\u4e8c\u90e8\u5206\u670964\u4e2a\u5b57\u8282\uff0c\u7528\u4e8e\u5b58\u653e\u78c1\u76d8\u5206\u533a\u8868\uff08Disk Partion Table,DPT)\u3002\u6bcf\u4e2a\u5206\u533a\u7684\u4fe1\u606f\u9700\u8981\u752816\u4e2a\u5b57\u8282\u6765\u8bb0\u5f55\uff0c\u56e0\u6b64\uff0c\u4e00\u5757\u78c1\u76d8\u6700\u591a\u53ef\u4ee5\u67094\u4e2a\u5206\u533a\u3002
\n\u6ce8\uff1a\u901a\u5e38\u6240\u8bf4\u7684”\u78c1\u76d8\u5206\u533a”\u5c31\u662f\u6307\u4fee\u6539\u78c1\u76d8\u5206\u533a\u8868\u3002\u5b83\u5b9a\u4e49\u4e86”\u7b2cn\u4e2a\u78c1\u76d8\u5757\u662f\u4ece\u7b2cx\u4e2a\u67f1\u9762\u5230\u7b2cy\u4e2a\u67f1\u9762”.\u56e0\u6b64\uff0c\u5f53\u7cfb\u7edf\u8981\u8bfb\u53d6\u7b2cn\u4e2a\u78c1\u76d8\u5757\u65f6\uff0c\u5c31\u662f\u53bb\u8bfb\u786c\u76d8\u4e0a\u7b2cx\u4e2a\u67f1\u9762\u5230\u7b2cy\u4e2a\u67f1\u9762\u7684\u4fe1\u606f.<\/p>\n

\u5206\u533a\u6709\u4e24\u79cd\uff0c\u4e00\u79cd\u662f\u4e3b\u5206\u533a\uff0c\u4e00\u79cd\u662f\u6269\u5c55\u5206\u533a\u3002\u5728\u4e00\u5757\u78c1\u76d8\u4e2d\uff0c\u6269\u5c55\u5206\u533a\u53ea\u80fd\u6709\u4e00\u4e2a\uff0c\u6240\u4ee5\u8fd94\u4e2a\u5206\u533a\u53ef\u4ee5\u662f4\u4e2a\u4e3b\u5206\u533a\u6216\u80053\u4e2a\u4e3b\u5206\u533a\u52a01\u4e2a\u6269\u5c55\u5206\u533a\uff0c\u5982\u4e0b\u6240\u793a:<\/p>\n

P + P + P + P<\/p>\n

P + P + P + E<\/p>\n

\u5176\u4e2dP\u8868\u793a\u4e3b\u5206\u533a\uff08Primary\uff09\uff0cE\u8868\u793a\u6269\u5c55\u5206\u533a\uff08Extend)<\/p>\n

\u91cd\u70b9\u8bf4\u660e\u7684\u662f\uff0c\u6269\u5c55\u5206\u533a\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\uff0c\u8fd8\u9700\u8981\u5c06\u5176\u5212\u5206\u4e3a\u903b\u8f91\u5206\u533a.\u8fd9\u6837\u5c31\u4ea7\u751f\u4e86\u4e00\u4e2a\u95ee\u9898\uff0c\u65e2\u7136\u6269\u5c55\u5206\u533a\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\uff0c\u4f46\u4e3a\u4ec0\u4e48\u8fd8\u8981\u5212\u5206\u51fa\u4e00\u5b9a\u7684\u7a7a\u95f4\u6765\u7ed9\u6269\u5c55\u5206\u533a\u5462?\u8fd9\u662f\u56e0\u4e3a\uff0c\u5982\u679c\u7528\u6237\u60f3\u8981\u5c06\u786c\u76d8\u5212\u5206\u4e3a5\u4e2a\u5206\u533a\u7684\u8bdd\uff0c\u90a3\u8be5\u5982\u4f55? \u6b64\u65f6\uff0c\u5c31\u9700\u8981\u6269\u5c55\u5206\u533a\u6765\u5e2e\u5fd9\u4e86.<\/p>\n

\u7531\u4e8eMBR\u4ec5\u80fd\u4fdd\u5b584\u4e2a\u5206\u533a\u7684\u6570\u636e\u4fe1\u606f\uff0c\u5982\u679c\u8d85\u8fc74\u4e2a\uff0c\u7cfb\u7edf\u5141\u8bb8\u5728\u989d\u5916\u7684\u786c\u76d8\u7a7a\u95f4\u5b58\u653e\u53e6\u4e00\u4efd\u78c1\u76d8\u5206\u533a\u4fe1\u606f\uff0c\u8fd9\u5c31\u662f\u6269\u5c55\u5206\u533a. \u82e5\u5c06\u786c\u76d8\u5206\u62103P+E\uff0c\u5219E\u5b9e\u9645\u4e0a\u662f\u544a\u8bc9\u7cfb\u7edf\uff0c\u78c1\u76d8\u5206\u533a\u8868\u5728\u53e6\u5916\u7684\u90a3\u4efd\u5206\u533a\u8868\uff0c\u5373\u6269\u5c55\u5206\u533a\u5176\u5b9e\u662f\u6307\u5411\u6b63\u786e\u7684\u989d\u5916\u5206\u533a\u8868.\u672c\u8eab\u6269\u5c55\u5206\u533a\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528\uff0c\u8fd8\u9700\u8981\u989d\u5916\u5c06\u6269\u5c55\u5206\u533a\u5206\u6210\u903b\u8f91\u5206\u533a\u624d\u80fd\u4f7f\u7528\uff0c\u56e0\u6b64\uff0c\u7528\u6237\u901a\u8fc7\u6269\u5c55\u5206\u533a\u5c31\u53ef\u4ee5\u4f7f\u75285\u4e2a\u4ee5\u4e0a\u7684\u5206\u533a\u4e86.<\/p>\n

\u8bf4\u660e\uff1a<\/p>\n

\u4e0d\u5efa\u8bae\u7528\u6237\u5c06\u786c\u76d8\u5206\u4e3a4\u4e2a\u4e3b\u5206\u533a.\u8fd9\u662f\u56e0\u4e3a\uff0c\u5047\u5982\u4e00\u4e2a20GB\u7684\u786c\u76d8\uff0c\u82e54\u4e2a\u4e3b\u5206\u533a\u5360\u636e\u4e8615GB\u7684\u7a7a\u95f4\uff0c\u5219\u5269\u4e0b\u76845GB\u7a7a\u95f4\u5b8c\u5168\u4e0d\u80fd\u4f7f\u7528\uff0c\u56e0\u4e3a\u5df2\u7ecf\u6ca1\u6709\u591a\u4f59\u7684\u5206\u533a\u8868\u53ef\u4ee5\u8bb0\u5f55\u8fd9\u4e9b\u7a7a\u95f4\u4e86.
\n\u8003\u8651\u5230\u78c1\u76d8\u7684\u8fde\u7eed\u6027\uff0c\u4e00\u822c\u5efa\u8bae\u5c06\u6269\u5c55\u5206\u533a\u653e\u5728\u6700\u540e\u9762\u7684\u67f1\u9762\u5185.
\n\u5141\u8bb8\u4e00\u4e2a\u786c\u76d8\u53ea\u67091\u4e2a\u4e3b\u5206\u533a\uff0c\u5176\u5b83\u7a7a\u95f4\u90fd\u5206\u914d\u7ed9\u6269\u5c55\u5206\u533a\u3002
\nLinux\u78c1\u76d8\u5206\u533a<\/p>\n

Windows\u64cd\u4f5c\u7cfb\u7edf\u662f\u5148\u5c06\u7269\u7406\u5730\u5740\u5206\u5f00\uff0c\u518d\u5728\u5206\u533a\u4e0a\u5efa\u7acb\u76ee\u5f55\uff0c\u56e0\u6b64\u5728Windows\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u6240\u6709\u8def\u5f84\u90fd\u662f\u4ece\u76d8\u7b26\u5f00\u59cb\uff0c\u5982C:\/\/program file\u3002\u800cLinux\u6b63\u597d\u76f8\u53cd\u3002\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u5148\u6709\u76ee\u5f55\uff0c\u518d\u5c06\u7269\u7406\u5730\u5740\u6620\u5c04\u5230\u76ee\u5f55\u4e2d\u3002\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u6240\u6709\u8def\u5f84\u90fd\u662f\u4ece\u6839\u76ee\u5f55\u5f00\u59cb.Linux\u9ed8\u8ba4\u53ef\u5206\u4e3a3\u4e2a\u5206\u533a\uff0c\u5206\u522b\u662fboot\u5206\u533a\u3001swap\u5206\u533a\u548c\u6839\u5206\u533a.<\/p>\n

\u65e0\u8bba\u662fWindows\u64cd\u4f5c\u7cfb\u7edf\uff0c\u8fd8\u662fLinux\u64cd\u4f5c\u7cfb\u7edf\uff0c\u6bcf\u4e2a\u5206\u533a\u5747\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u6587\u4ef6\u7cfb\u7edf\uff0c\u5982FAT32\u3001NTFS\u3001Yaffs2\u7b49.<\/p>\n

\u4e0b\u9762\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0bLinux\u76843\u4e2a\u5206\u533a\uff0cboot\u5206\u533a\u3001swap\u5206\u533a\u548c\u6839\u5206\u533a\u3002<\/p>\n

boot\u5206\u533a
\n \u8be5\u5206\u533a\u5bf9\u5e94\u4e8e\/boot\u76ee\u5f55\uff0c\u7ea6100MB.\u8be5\u5206\u533a\u5b58\u653eLinux\u7684Grub(bootloader)\u548c\u5185\u6838\u6e90\u7801.\u7528\u6237\u53ef\u901a\u8fc7\u8bbf\u95ee\/boot\u76ee\u5f55\u6765\u8bbf\u95ee\u8be5\u5206\u533a.\u6362\u53e5\u8bdd\u8bf4\uff0c\u7528\u6237\u5bf9\/boot\u76ee\u5f55\u7684\u64cd\u4f5c\u5c31\u662f\u64cd\u4f5c\u8be5\u5206\u533a.<\/p>\n

swap\u5206\u533a
\n \u8be5\u5206\u533a\u6ca1\u6709\u5bf9\u5e94\u7684\u76ee\u5f55\uff0c\u6545\u7528\u6237\u65e0\u6cd5\u8bbf\u95ee\u3002Linux\u4e0b\u7684swap\u5206\u533a\u5373\u4e3a\u865a\u62df\u5185\u5b58.\u865a\u62df\u5185\u5b58\u7528\u4e8e\u5f53\u7cfb\u7edf\u5185\u5b58\u7a7a\u95f4\u4e0d\u8db3\u65f6\uff0c\u5148\u5c06\u4e34\u65f6\u6570\u636e\u5b58\u653e\u5728swap\u5206\u533a\uff0c\u7b49\u5f85\u4e00\u6bb5\u65f6\u95f4\u540e\uff0c\u7136\u540e\u518d\u5c06\u6570\u636e\u8c03\u5165\u5230\u5185\u5b58\u4e2d\u6267\u884c.\u6240\u4ee5\u8bf4\uff0c\u865a\u62df\u5185\u5b58\u53ea\u662f\u6682\u65f6\u5b58\u653e\u6570\u636e\uff0c\u5728\u8be5\u7a7a\u95f4\u5185\u5e76\u6ca1\u6709\u6267\u884c.<\/p>\n

\u5173\u4e8e\u865a\u62df\u5185\u5b58<\/p>\n

\u865a\u62df\u5185\u5b58\u662f\u6307\u5c06\u786c\u76d8\u4e0a\u67d0\u4e2a\u533a\u57df\u6a21\u62df\u4e3a\u5185\u5b58.\u56e0\u6b64\u865a\u62df\u5185\u5b58\u7684\u5b9e\u9645\u7269\u7406\u5730\u5740\u4ecd\u7136\u5728\u786c\u76d8\u4e0a.\u865a\u62df\u5185\u5b58\uff0c\u6216\u8005\u8bf4swap\u5206\u533a\u53ea\u80fd\u7531\u7cfb\u7edf\u8bbf\u95ee\uff0c\u5176\u5927\u5c0f\u4e3a\u7269\u7406\u5185\u5b58\u76842\u500d.<\/p>\n

\u6839\u5206\u533a
\n \u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u9664\/boot\u76ee\u5f55\u5916\u7684\u5176\u5b83\u6240\u6709\u76ee\u5f55\u90fd\u5bf9\u5e94\u4e8e\u8be5\u5206\u533a.\u56e0\u6b64\uff0c\u7528\u6237\u53ef\u901a\u8fc7\u8bbf\u95ee\u9664\/boot\u76ee\u5f55\u5916\u7684\u5176\u5b83\u6240\u6709\u76ee\u5f55\u6765\u8bbf\u95ee\u8be5\u5206\u533a.<\/p>\n

\u8bf4\u660e\uff1a<\/p>\n

\u5728Linux\u64cd\u4f5c\u7cfb\u7edf\u4e2d\uff0c\u7528\u6237\u53ef\u6839\u636e\u9700\u8981\u628a\u5206\u533a\u6302\u8f7d\u5230\u67d0\u4e2a\u76ee\u5f55\u4e0b\u3002\u6bd4\u5982\/home\u76ee\u5f55\u4e0b\u6709\u4e09\u4e2a\u76ee\u5f55\uff0c\u5047\u8bbe\u4e3atest1,test2,test3\uff0c\u53ef\u628a\u4e0d\u540c\u7684\u5206\u533a\u5206\u522b\u6302\u8f7d\u5230\u8fd9\u4e09\u4e2a\u76ee\u5f55\u4e0b \u3002
\n\u6839\u636e\u4e0a\u9762\u7684\u8ba8\u8bba\uff0c\u4e00\u5757\u78c1\u76d8\u4e0a\u6700\u591a\u670913\u4e2a\u5206\u533a\uff0c\u5373\u786c\u76d8\u5206\u4e3a1\u4e2a\u4e3b\u5206\u533a\u548c3\u4e2a\u6269\u5c55\u5206\u533a\uff0c\u800c\u6bcf\u4e2a\u6269\u5c55\u5206\u533a\u53c8\u53ef\u4ee5\u5206\u4e3a4\u4e2a\u903b\u8f91\u5206\u533a\u3002
\n\u786c\u76d8\u4e0a\u81f3\u5c11\u8981\u67091\u4e2a\u4e3b\u5206\u533a.
\n\u903b\u8f91\u5206\u533a\u4e0d\u80fd\u518d\u8fdb\u884c\u5206\u533a.
\nLinux\u5206\u533a\u76ee\u5f55\u548c”\u76d8\u7b26”\u7684\u5173\u7cfb
\n \u5047\u5982\u786c\u76d8\u5b89\u88c5\u5728IDE1\u7684\u4e3b\u76d8\uff0c\u5e76\u7528\u6237\u60f3\u5206\u533a\u62106\u4e2a\u53ef\u4ee5\u4f7f\u7528\u7684\u786c\u76d8\u5206\u533a\uff0c\u5219\u53ef\u4ee5\u91c7\u75283\u4e2a\u4e3b\u5206\u533a\u52a03\u4e2a\u903b\u8f91\u5206\u533a\u65b9\u5f0f\uff0c\u6216\u8005\u662f1\u4e2a\u4e3b\u5206\u533a\u52a05\u4e2a\u903b\u8f91\u5206\u533a\u3002<\/p>\n

Linux\u5141\u8bb8\u4f7f\u7528fdisk -l\u547d\u4ee4\u548cdf -h\u547d\u4ee4\u6765\u67e5\u8be2\u5176\u786c\u76d8\u5206\u533a.\u5176\u4e2d\uff0cdf\u65e0\u6cd5\u663e\u793a\u51faswap\u5206\u533a\u7684\u5927\u5c0f.<\/p>\n

\u82e5\u786c\u76d8\u7684MBR\u5df2\u574f\uff0c\u5219\u8be5\u78c1\u76d8\u5c31\u4e0d\u80fd\u518d\u4f5c\u4e3a\u5f15\u5bfc\u76d8\uff0c\u53ea\u80fd\u4f5c\u4e3a\u6570\u636e\u76d8.\u56e0\u4e3aMBR\u4f4d\u4e8e\u786c\u76d8\u7684\u8d77\u59cb\u5904\uff0c\u7528\u6237\u4e0d\u80fd\u901a\u8fc7\u8f6f\u4ef6\u8fdb\u884c\u4fee\u590d\uff0c\u4e5f\u4e0d\u80fd\u8df3\u8fc7\u8d77\u59cb\u5904.\u800c\u786c\u76d8\u4e2d\u95f4\u7684\u67d0\u4e2a\u78c1\u9053\u574f\u4e86\uff0c\u7528\u6237\u53ef\u4ee5\u8f6f\u4ef6\u4fee\u590d\uff0c\u4e5f\u53ef\u4ee5\u8df3\u8fc7\u8be5\u78c1\u9053.<\/p>\n","protected":false},"excerpt":{"rendered":"

Cylinder \u67f1\u9762\u6570 \u8868\u793a\u786c\u76d8\u6bcf\u9762\u76d8\u9762\u4e0a\u6709\u51e0\u6761\u78c1\u9053\u3002 Head \u78c1\u5934\u6570 \u8868\u793a\u78c1\u76d8\u5171\u6709\u51e0\u4e2a\u78c1\u5934\uff0c\u4e5f\u5c31\u662f\u51e0\u9762\u76d8 […]<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,4155],"tags":[],"class_list":["post-4654","post","type-post","status-publish","format-standard","hentry","category-4","category-4155","category-4-id","category-4155-id","post-seq-1","post-parity-odd","meta-position-corners","fix"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4654"}],"version-history":[{"count":1,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4654\/revisions"}],"predecessor-version":[{"id":4656,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/4654\/revisions\/4656"}],"wp:attachment":[{"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.icocean.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}