{"id":19240,"date":"2016-07-26T06:32:14","date_gmt":"2016-07-25T22:32:14","guid":{"rendered":"https:\/\/2blog.ilc.edu.tw\/25793\/2016\/07\/26\/%e5%9c%a8-debian-linux-%e5%bb%ba%e7%ab%8b-raid-10\/"},"modified":"2021-03-18T17:24:46","modified_gmt":"2021-03-18T09:24:46","slug":"%e5%9c%a8-debian-linux-%e5%bb%ba%e7%ab%8b-raid-10","status":"publish","type":"post","link":"https:\/\/2blog.ilc.edu.tw\/25793\/2016\/07\/26\/%e5%9c%a8-debian-linux-%e5%bb%ba%e7%ab%8b-raid-10\/","title":{"rendered":"\u5728 Debian Linux \u5efa\u7acb RAID 10"},"content":{"rendered":"<p>\u53c3\u8003\u7db2\u7ad9\uff1a<br \/><a href=\"http:\/\/www.tecmint.com\/create-raid-10-in-linux\/\" target=\"_blank\" rel=\"noopener noreferrer\">Setting Up RAID 10 or 1+0 (Nested) in Linux &#8211; Part 6<\/a><\/p>\n<p><span style=\"color: #0000ff\">OS\uff1aDebian Linux 5.8.0 <\/span><br \/><span style=\"color: #0000ff\">HDD\uff1a<\/span><br \/><span style=\"color: #0000ff\">10G*1 Debian Linux System<\/span><br \/><span style=\"color: #0000ff\">20G *4 (\/dev\/sdb,sdc,sdd,sde)<\/span><\/p>\n<p>1. \u5b89\u88dd mdadm \u5957\u4ef6 <br \/># <span style=\"color: #ff0000\">apt-get install mdadm<\/span> <br \/> <a id=\"res_3588672\" href=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/25793-3588672.png\"> <img decoding=\"async\" src=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/previews-med\/25793-3588672.png\" border=\"0\" alt=\"\" \/> <\/a> <br \/> <a id=\"res_3588671\" href=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/25793-3588671.png\"> <img decoding=\"async\" src=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/previews-med\/25793-3588671.png\" border=\"0\" alt=\"\" \/> [@more@]<\/a>2. \u67e5\u770b\u76ee\u524d\u78c1\u789f\u72c0\u614b <br \/># <span style=\"color: #ff0000\">fdisk -l | grep &#8216;^Disk \/dev&#8217;<\/span> <br \/><span style=\"color: #0000ff\">Disk \/dev\/sdb: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span> <br \/><span style=\"color: #0000ff\">Disk \/dev\/sdc: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span> <br \/><span style=\"color: #0000ff\">Disk \/dev\/sdd: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span> <br \/><span style=\"color: #0000ff\">Disk \/dev\/sda: 10 GiB, 10737418240 bytes, 20971520 sectors<\/span> <br \/><span style=\"color: #0000ff\">Disk \/dev\/sde: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span> <\/p>\n<p>3. \u5efa\u7acb\u78c1\u789f\u5206\u5272\u5340 <br \/># <span style=\"color: #ff0000\">fdisk \/dev\/sdb<\/span> <br \/> <a id=\"res_3588675\" href=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/25793-3588675.png\"> <img decoding=\"async\" src=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/previews-med\/25793-3588675.png\" border=\"0\" alt=\"\" \/> <\/a> <\/p>\n<p> <a id=\"res_3588674\" href=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/25793-3588674.png\"> <img decoding=\"async\" src=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/previews-med\/25793-3588674.png\" border=\"0\" alt=\"\" \/> <\/a> <br \/> <span style=\"color: #ff0000\">\u4e0d\u4e00\u5b9a\u8981\u66f4\u6539\u6210 fd<\/span><br \/> <a id=\"res_3588673\" href=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/25793-3588673.png\"> <img decoding=\"async\" src=\"https:\/\/2blog.ilc.edu.tw\/wp-content\/uploads\/sites\/985\/25793\/previews-med\/25793-3588673.png\" border=\"0\" alt=\"\" \/> <\/a> <br \/>\u91cd\u8907\u4e0a\u9762\u7684\u52d5\u4f5c\uff0c\u5b8c\u6210\u6240\u6709\u7684\u78c1\u789f <br \/># <span style=\"color: #ff0000\">fdisk \/dev\/sdc<\/span> <br \/># <span style=\"color: #ff0000\">fdisk \/dev\/sdd<\/span> <br \/># <span style=\"color: #ff0000\">fdisk \/dev\/sde<\/span> <\/p>\n<p>4. \u5efa\u7acb <span style=\"color: #0000ff\">\/dev\/md0<\/span> \u78c1\u789f\u9663\u5217\u5206\u5272\u5340<br \/># <span style=\"color: #ff0000\">mdadm &#8211;create &#8211;verbose \/dev\/md0 &#8211;level=10 &#8211;raid-devices=4 \/dev\/sd[b-e]1<\/span><br \/><span style=\"color: #0000ff\">mdadm: layout defaults to n2<\/span><br \/><span style=\"color: #0000ff\">mdadm: layout defaults to n2<\/span><br \/><span style=\"color: #0000ff\">mdadm: chunk size defaults to 512K<\/span><br \/><span style=\"color: #0000ff\">mdadm: size set to 20954112K<\/span><br \/><span style=\"color: #0000ff\">mdadm: Defaulting to version 1.2 metadata<\/span><br \/><span style=\"color: #0000ff\">mdadm: array \/dev\/md0 started.<\/span><\/p>\n<p>5. \u6aa2\u8996 RAID 10 \u72c0\u614b<br \/># <span style=\"color: #ff0000\">mdadm -D \/dev\/md0<\/span><br \/><span style=\"color: #0000ff\">\/dev\/md0:<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Version : 1.2<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Creation Time : Tue Jun 28 10:26:44 2016<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0 Raid Level : raid10<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0 Array Size : 41908224 (39.97 GiB 42.91 GB)<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Used Dev Size : 20954112 (19.98 GiB 21.46 GB)<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0 Raid Devices : 4<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Total Devices : 4<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0 Persistence : Superblock is persistent<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0 Update Time : Tue Jun 28 10:27:37 2016<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 State : clean, resyncing<\/span><br \/><span style=\"color: #0000ff\">\u00a0Active Devices : 4<\/span><br \/><span style=\"color: #0000ff\">Working Devices : 4<\/span><br \/><span style=\"color: #0000ff\">\u00a0Failed Devices : 0<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Spare Devices : 0<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Layout : near=2<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0 Chunk Size : 512K<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0 Resync Status : 27% complete<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Name : debian:0\u00a0 (local to host debian)<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 UUID : b0c27dbd:1ddbb962:4bc7fbd4:e072ba41<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Events : 4<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0 Number\u00a0\u00a0 Major\u00a0\u00a0 Minor\u00a0\u00a0 RaidDevice State<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 17\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0 active sync set-A\u00a0\u00a0 \/dev\/sdb1<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 33\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0 active sync set-B\u00a0\u00a0 \/dev\/sdc1<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 49\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2\u00a0\u00a0\u00a0\u00a0\u00a0 active sync set-A\u00a0\u00a0 \/dev\/sdd1<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 8\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 65\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3\u00a0\u00a0\u00a0\u00a0\u00a0 active sync set-B\u00a0\u00a0 \/dev\/sde1<\/span><\/p>\n<p># <span style=\"color: #ff0000\">cat \/proc\/mdstat<\/span><br \/><span style=\"color: #0000ff\">Personalities : [raid10]<\/span><br \/><span style=\"color: #0000ff\">md0 : active raid10 sde1[3] sdd1[2] sdc1[1] sdb1[0]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 41908224 blocks super 1.2 512K chunks 2 near-copies [4\/4] [UUUU]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 [=&gt;&#8230;&#8230;&#8230;&#8230;&#8230;&#8230;.]\u00a0 resync =\u00a0 5.7% (2400000\/41908224) finish=3.2min speed=200000K\/sec<\/span><\/p>\n<p><span style=\"color: #0000ff\">unused devices: &lt;none&gt;<\/span><\/p>\n<p># <span style=\"color: #ff0000\">fdisk -l | grep \/dev\/md0<\/span><br \/><span style=\"color: #0000ff\">Disk \/dev\/md0: 40 GiB, 42914021376 bytes, 83816448 sectors<\/span><\/p>\n<p>6. \u683c\u5f0f\u5316\u5206\u5272\u5340<br \/># <span style=\"color: #ff0000\">mkfs -t ext4 \/dev\/md0<\/span><br \/><span style=\"color: #0000ff\">mke2fs 1.42.12 (29-Aug-2014)<\/span><br \/><span style=\"color: #0000ff\">Creating filesystem with 10477056 4k blocks and 2621440 inodes<\/span><br \/><span style=\"color: #0000ff\">Filesystem UUID: 66244a88-5af2-4ab8-a274-2256649d0413<\/span><br \/><span style=\"color: #0000ff\">Superblock backups stored on blocks:<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4096000, 7962624<\/span><\/p>\n<p><span style=\"color: #0000ff\">Allocating group tables: done<\/span><br \/><span style=\"color: #0000ff\">Writing inode tables: done<\/span><br \/><span style=\"color: #0000ff\">Creating journal (32768 blocks): done<\/span><br \/><span style=\"color: #0000ff\">Writing superblocks and filesystem accounting information: done<\/span><\/p>\n<p>7. <span style=\"color: #ff0000\"><span style=\"color: #000000\">\u5efa\u7acb\u639b\u8f09\u76ee\u9304\u4e26\u639b\u8f09<\/span> <br \/><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">mkdir \/mnt\/raid10<\/span> <br \/><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">mount \/dev\/md0 \/mnt\/raid10<\/span> <br \/><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">df -h<\/span><\/span><br \/><span style=\"color: #0000ff\">Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9.3G\u00a0 968M\u00a0 7.9G\u00a0 11% \/<\/span><br \/><span style=\"color: #0000ff\">udev\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10M\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 10M\u00a0\u00a0 0% \/dev<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 400M\u00a0 5.7M\u00a0 394M\u00a0\u00a0 2% \/run<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 999M\u00a0\u00a0\u00a0\u00a0 0\u00a0 999M\u00a0\u00a0 0% \/dev\/shm<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.0M\u00a0\u00a0\u00a0\u00a0 0\u00a0 5.0M\u00a0\u00a0 0% \/run\/lock<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 999M\u00a0\u00a0\u00a0\u00a0 0\u00a0 999M\u00a0\u00a0 0% \/sys\/fs\/cgroup<\/span><br \/><span style=\"color: #ff0000\">\/dev\/md0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 40G\u00a0\u00a0 48M\u00a0\u00a0 38G\u00a0\u00a0 1% \/mnt\/raid10<\/span><\/p>\n<p>8. \u67e5\u770b\u786c\u789f\u7684 UUID <br \/># <span style=\"color: #ff0000\">blkid | grep \/dev\/md0<\/span><br \/><span style=\"color: #0000ff\">\/dev\/md0: UUID=&#8221;66244a88-5af2-4ab8-a274-2256649d0413&#8243; TYPE=&#8221;ext4&#8243;<\/span><\/p>\n<p>9. \u4fee\u6539<span style=\"color: #0000ff\"> \/etc\/fstab<\/span> <br \/># <span style=\"color: #ff0000\">vim \/etc\/fstab<\/span> <br \/>\u52a0\u5165\u4e0b\u9762\u4e00\u884c <br \/><span style=\"color: #0000ff\">UUID=66244a88-5af2-4ab8-a274-2256649d0413 \/mnt\/raid10\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext4\u00a0\u00a0\u00a0 errors=remount-ro 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><\/p>\n<p>10. \u7de8\u8f2f <span style=\"color: #0000ff\">\/etc\/mdadm\/mdadm.conf<\/span>\u00a0 \u8a2d\u5b9a\u6a94 <br \/># <span style=\"color: #ff0000\">mdadm &#8211;detail &#8211;scan &#8211;verbose &gt;&gt; \/etc\/mdadm\/mdadm.conf<\/span><br \/><span style=\"color: #0000ff\">ARRAY \/dev\/md0 level=raid10 num-devices=4 metadata=1.2 name=debian:0 UUID=b0c27dbd:1ddbb962:4bc7fbd4:e072ba41<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0 devices=\/dev\/sdb1,\/dev\/sdc1,\/dev\/sdd1,\/dev\/sde1<\/span><\/p>\n<p>11. \u78c1\u789f\u5206\u5272\u8cc7\u8a0a<br \/># <span style=\"color: #ff0000\">fdisk -l | grep \/dev\/sd<\/span><br \/><span style=\"color: #0000ff\">Disk \/dev\/sdb: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sdb1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048 41943039 41940992\u00a0 20G <span style=\"color: #ff0000\">fd Linux raid autodetect<\/span><\/span><br \/><span style=\"color: #0000ff\">Disk \/dev\/sda: 10 GiB, 10737418240 bytes, 20971520 sectors<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sda1\u00a0 *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048 20013055 20011008\u00a0 9.6G 83 Linux<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sda2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20015102 20969471\u00a0\u00a0 954370\u00a0 466M\u00a0 5 Extended<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sda5\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 20015104 20969471\u00a0\u00a0 954368\u00a0 466M 82 Linux swap \/ Solaris<\/span><br \/><span style=\"color: #0000ff\">Disk \/dev\/sdc: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sdc1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048 41943039 41940992\u00a0 20G<span style=\"color: #ff0000\"> fd Linux raid autodetect<\/span><\/span><br \/><span style=\"color: #0000ff\">Disk \/dev\/sdd: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sdd1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048 41943039 41940992\u00a0 20G <span style=\"color: #ff0000\">fd Linux raid autodetect<\/span><\/span><br \/><span style=\"color: #0000ff\">Disk \/dev\/sde: 20 GiB, 21474836480 bytes, 41943040 sectors<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sde1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2048 41943039 41940992\u00a0 20G <span style=\"color: #ff0000\">fd Linux raid autodetect<\/span><\/span><\/p>\n<p>12. \u6aa2\u67e5\u662f\u5426\u6709\u6b63\u78ba\u639b\u8f09<br \/><span style=\"color: #ff0000\"><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">df -h<\/span><\/span><br \/><span style=\"color: #0000ff\">Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9.3G\u00a0 968M\u00a0 7.9G\u00a0 11% \/<\/span><br \/><span style=\"color: #0000ff\">udev\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10M\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 10M\u00a0\u00a0 0% \/dev<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 400M\u00a0 5.7M\u00a0 394M\u00a0\u00a0 2% \/run<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 999M\u00a0\u00a0\u00a0\u00a0 0\u00a0 999M\u00a0\u00a0 0% \/dev\/shm<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.0M\u00a0\u00a0\u00a0\u00a0 0\u00a0 5.0M\u00a0\u00a0 0% \/run\/lock<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 999M\u00a0\u00a0\u00a0\u00a0 0\u00a0 999M\u00a0\u00a0 0% \/sys\/fs\/cgroup<\/span><br \/><span style=\"color: #ff0000\">\/dev\/md0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 40G\u00a0\u00a0 48M\u00a0\u00a0 38G\u00a0\u00a0 1% \/mnt\/raid10<\/span><\/p>\n<p>\u53e6\u5916\u4e00\u7a2e\u65b9\u5f0f\uff1a\u5148\u5efa\u7acb\u4e8c\u500b RAID1\uff0c\u518d\u628a\u9019\u4e8c\u500b RAID1 \u5408\u4f75\u6210 RAID 0<\/p>\n<p>1. \u5efa\u7acb RAID 1<br \/># <span style=\"color: #ff0000\">mdadm &#8211;create &#8211;verbose \/dev\/md1 &#8211;metadata=1.2 &#8211;level=1 &#8211;raid-devices=2 \/dev\/sd[b-c]1<\/span><br \/><span style=\"color: #0000ff\">mdadm: size set to 20954112K<\/span><br \/><span style=\"color: #0000ff\">mdadm: array \/dev\/md1 started.<\/span><br \/># <span style=\"color: #ff0000\">mdadm &#8211;create &#8211;verbose \/dev\/md2 &#8211;metadata=1.2 &#8211;level=1 &#8211;raid-devices=2 \/dev\/sd[d-e]1<\/span><br \/><span style=\"color: #0000ff\">mdadm: size set to 20954112K<\/span><br \/><span style=\"color: #0000ff\">mdadm: array \/dev\/md2 started.<\/span><\/p>\n<p># <span style=\"color: #ff0000\">cat \/proc\/mdstat<\/span><br \/><span style=\"color: #0000ff\">Personalities : [raid1]<\/span><br \/><span style=\"color: #0000ff\">md2 : active raid1 sde1[1] sdd1[0]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 20954112 blocks super 1.2 [2\/2] [UU]<\/span><\/p>\n<p><span style=\"color: #0000ff\">md1 : active raid1 sdc1[1] sdb1[0]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 20954112 blocks super 1.2 [2\/2] [UU]<\/span><\/p>\n<p><span style=\"color: #0000ff\">unused devices: &lt;none&gt;<\/span><\/p>\n<p>2. \u5efa\u7acb RAID 0<br \/># <span style=\"color: #ff0000\">mdadm &#8211;create &#8211;verbose \/dev\/md0 &#8211;level=0 &#8211;raid-devices=2 \/dev\/md1 \/dev\/md2<\/span><br \/><span style=\"color: #0000ff\">mdadm: chunk size defaults to 512K<\/span><br \/><span style=\"color: #0000ff\">mdadm: Defaulting to version 1.2 metadata<\/span><br \/><span style=\"color: #0000ff\">mdadm: array \/dev\/md0 started.<\/span><\/p>\n<p># <span style=\"color: #ff0000\">cat \/proc\/mdstat<\/span><br \/><span style=\"color: #0000ff\">Personalities : [raid1] [raid0]<\/span><br \/><span style=\"color: #0000ff\">md0 : active raid0 md2[1] md1[0]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 41875456 blocks super 1.2 512k chunks<\/span><\/p>\n<p><span style=\"color: #0000ff\">md2 : active raid1 sde1[1] sdd1[0]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 20954112 blocks super 1.2 [2\/2] [UU]<\/span><\/p>\n<p><span style=\"color: #0000ff\">md1 : active raid1 sdc1[1] sdb1[0]<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0 20954112 blocks super 1.2 [2\/2] [UU]<\/span><\/p>\n<p><span style=\"color: #0000ff\">unused devices: &lt;none&gt;<\/span><\/p>\n<p># <span style=\"color: #ff0000\">mdadm -D \/dev\/md0<\/span><br \/><span style=\"color: #0000ff\">\/dev\/md0:<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Version : 1.2<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Creation Time : Tue Jun 28 11:15:34 2016<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0 Raid Level : raid0<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0 Array Size : 41875456 (39.94 GiB 42.88 GB)<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0 Raid Devices : 2<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Total Devices : 2<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0 Persistence : Superblock is persistent<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0 Update Time : Tue Jun 28 11:15:34 2016<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 State : clean<\/span><br \/><span style=\"color: #0000ff\">\u00a0Active Devices : 2<\/span><br \/><span style=\"color: #0000ff\">Working Devices : 2<\/span><br \/><span style=\"color: #0000ff\">\u00a0Failed Devices : 0<\/span><br \/><span style=\"color: #0000ff\">\u00a0 Spare Devices : 0<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0 Chunk Size : 512K<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Name : debian:0\u00a0 (local to host debian)<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 UUID : a55dec26:5dcd723f:4c8d15d4:2de2d739<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Events : 0<\/span><\/p>\n<p><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0 Number\u00a0\u00a0 Major\u00a0\u00a0 Minor\u00a0\u00a0 RaidDevice State<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0\u00a0\u00a0\u00a0 active sync\u00a0\u00a0 \/dev\/md1<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1\u00a0\u00a0\u00a0\u00a0\u00a0 active sync\u00a0\u00a0 \/dev\/md2<\/span><\/p>\n<p>3. \u7de8\u8f2f <span style=\"color: #0000ff\">\/etc\/mdadm\/mdadm.conf<\/span>\u00a0 \u8a2d\u5b9a\u6a94<br \/># <span style=\"color: #ff0000\">mdadm &#8211;detail &#8211;scan &#8211;verbose &gt;&gt; \/etc\/mdadm\/mdadm.conf<\/span><br \/><span style=\"color: #0000ff\">ARRAY \/dev\/md1 level=raid1 num-devices=2 metadata=1.2 name=debian:1 UUID=ceac80b2:8ed44990:9927f0ab:03db076a<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0 devices=\/dev\/sdb1,\/dev\/sdc1<\/span><br \/><span style=\"color: #0000ff\">ARRAY \/dev\/md2 level=raid1 num-devices=2 metadata=1.2 name=debian:2 UUID=2bca9bb2:b520fedb:d23a38da:7572c357<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0 devices=\/dev\/sdd1,\/dev\/sde1<\/span><br \/><span style=\"color: #0000ff\">ARRAY \/dev\/md0 level=raid0 num-devices=2 metadata=1.2 name=debian:0 UUID=a55dec26:5dcd723f:4c8d15d4:2de2d739<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0 devices=\/dev\/md1,\/dev\/md2<\/span><\/p>\n<p>4. \u683c\u5f0f\u5316\u5206\u5272\u5340<br \/># <span style=\"color: #ff0000\">mkfs -t ext4 \/dev\/md0<br \/><span style=\"color: #0000ff\">mke2fs 1.42.12 (29-Aug-2014)<\/span><br \/><span style=\"color: #0000ff\">Creating filesystem with 10468864 4k blocks and 2621440 inodes<\/span><br \/><span style=\"color: #0000ff\">Filesystem UUID: be4f4dc6-3729-4bb0-ab86-9fbd654eb882<\/span><br \/><span style=\"color: #0000ff\">Superblock backups stored on blocks:<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,<\/span><br \/><span style=\"color: #0000ff\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4096000, 7962624<\/span><\/p>\n<p><span style=\"color: #0000ff\">Allocating group tables: done<\/span><br \/><span style=\"color: #0000ff\">Writing inode tables: done<\/span><br \/><span style=\"color: #0000ff\">Creating journal (32768 blocks): done<\/span><br \/><span style=\"color: #0000ff\">Writing superblocks and filesystem accounting information: done<\/span><br \/><\/span><br \/>5. <span style=\"color: #ff0000\"><span style=\"color: #000000\">\u5efa\u7acb\u639b\u8f09\u76ee\u9304\u4e26\u639b\u8f09<\/span> <br \/><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">mkdir \/mnt\/raid10<\/span> <br \/><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">mount \/dev\/md0 \/mnt\/raid10<\/span> <br \/><span style=\"color: #000000\">#<\/span> <span style=\"color: #ff0000\">df -h<\/span><\/span><br \/><span style=\"color: #0000ff\">Filesystem\u00a0\u00a0\u00a0\u00a0\u00a0 Size\u00a0 Used Avail Use% Mounted on<\/span><br \/><span style=\"color: #0000ff\">\/dev\/sda1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 9.3G\u00a0 968M\u00a0 7.9G\u00a0 11% \/<\/span><br \/><span style=\"color: #0000ff\">udev\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 10M\u00a0\u00a0\u00a0\u00a0 0\u00a0\u00a0 10M\u00a0\u00a0 0% \/dev<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 400M\u00a0 5.7M\u00a0 394M\u00a0\u00a0 2% \/run<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 999M\u00a0\u00a0\u00a0\u00a0 0\u00a0 999M\u00a0\u00a0 0% \/dev\/shm<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 5.0M\u00a0\u00a0\u00a0\u00a0 0\u00a0 5.0M\u00a0\u00a0 0% \/run\/lock<\/span><br \/><span style=\"color: #0000ff\">tmpfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 999M\u00a0\u00a0\u00a0\u00a0 0\u00a0 999M\u00a0\u00a0 0% \/sys\/fs\/cgroup<\/span><br \/><span style=\"color: #ff0000\">\/dev\/md0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 40G\u00a0\u00a0 48M\u00a0\u00a0 38G\u00a0\u00a0 1% \/mnt\/raid10<\/span><\/p>\n<p>6. \u67e5\u770b\u786c\u789f\u7684 UUID<br \/># <span style=\"color: #ff0000\">blkid | grep \/dev\/md0<\/span><br \/><span style=\"color: #0000ff\">\/dev\/md0: UUID=&#8221;be4f4dc6-3729-4bb0-ab86-9fbd654eb882&#8243; TYPE=&#8221;ext4&#8243;<\/span><\/p>\n<p>7. \u4fee\u6539<span style=\"color: #0000ff\"> \/etc\/fstab<\/span> <br \/># <span style=\"color: #ff0000\">vim \/etc\/fstab<\/span> <br \/>\u52a0\u5165\u4e0b\u9762\u4e00\u884c <br \/><span style=\"color: #0000ff\">UUID=66244a88-5af2-4ab8-a274-2256649d0413 \/mnt\/raid10\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ext4\u00a0\u00a0\u00a0 errors=remount-ro 0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53c3\u8003\u7db2\u7ad9\uff1aSetting Up RAID 10 or 1+0 (Nested) in Linux &#038;#8211 &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/2blog.ilc.edu.tw\/25793\/2016\/07\/26\/%e5%9c%a8-debian-linux-%e5%bb%ba%e7%ab%8b-raid-10\/\" class=\"more-link\">\u95b1\u8b80\u5168\u6587<span class=\"screen-reader-text\">\u3008\u5728 Debian Linux \u5efa\u7acb RAID 10\u3009<\/span><\/a><\/p>\n","protected":false},"author":55,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[179,104],"tags":[],"class_list":["post-19240","post","type-post","status-publish","format-standard","hentry","category-c-87877","category-c-98643"],"meta_key":{"_pingme":["1"],"_encloseme":["1"],"lt_post_id":["648686"]},"_links":{"self":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19240"}],"collection":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/users\/55"}],"replies":[{"embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/comments?post=19240"}],"version-history":[{"count":1,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19240\/revisions"}],"predecessor-version":[{"id":20800,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/posts\/19240\/revisions\/20800"}],"wp:attachment":[{"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/media?parent=19240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/categories?post=19240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/2blog.ilc.edu.tw\/25793\/wp-json\/wp\/v2\/tags?post=19240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}