涓€銆佺幆澧冨噯澶囦笌鍘熺悊璇存槑
RAID10鏄粨鍚堥暅鍍?RAID1)涓庢潯甯﹀寲(RAID0)鐨勫鍚堥樀鍒楋紝闇€鑷冲皯4鍧楀悓瑙勬牸纾佺洏銆傝秴浜戞湇鍔″櫒閰嶇疆鍓嶉渶纭锛?/p>
- 鎿嶄綔绯荤粺涓篊entOS/RHEL 7.4鍙婁互涓婄増鏈?/li>
- 宸插畨瑁卪dadm绠＄悊宸ュ叿锛堟墽琛?code>yum install mdadm锛?/li>
- 鍑嗗/dev/sdb鑷?dev/sde鍥涘潡鏈娇鐢ㄧ殑鐗╃悊纾佺洏
瀛樺偍鏋舵瀯閲囩敤鍏堥暅鍍忓悗鏉″甫鐨勬柟寮忥紝涓ょ粍RAID1鏋勬垚搴曞眰闀滃儚锛屼笂灞傞€氳繃RAID0瀹炵幇鏉″甫鍖栬鍐欍€?/p>
浜屻€佸垱寤篟AID1闀滃儚闃靛垪
鎵ц浠ヤ笅鍛戒护鍒涘缓涓や釜RAID1闃靛垪锛?/p>
# 鍒涘缓绗竴涓暅鍍忕粍
mdadm --create /dev/md1 --level=1 --raid-devices=2 /dev/sdb /dev/sdc
# 鍒涘缓绗簩涓暅鍍忕粍
mdadm --create /dev/md2 --level=1 --raid-devices=2 /dev/sdd /dev/sde鍙傛暟璇存槑锛?/p>
--level=1鎸囧畾RAID绾у埆--raid-devices=2澹版槑鎴愬憳鐩樻暟閲?/li>
涓夈€佹瀯寤篟AID0鏉″甫鍖栧瓨鍌?/h2>
灏嗕袱涓猂AID1闃靛垪缁勫悎涓篟AID0锛?/p>
mdadm --create /dev/md0 --level=0 --raid-devices=2 /dev/md1 /dev/md2瀹屾垚鍚庢煡鐪嬮樀鍒楃姸鎬侊細
mdadm -D /dev/md0 | grep 'Raid Level'
# 棰勬湡杈撳嚭锛歊aid Level : raid0姝ゆ椂鎬诲瓨鍌ㄥ閲忎负锛堝崟鐩樺閲?脳 2锛夛紝瀹炵幇璇诲啓鎬ц兘缈诲€嶃€?/p>
鍥涖€佹寕杞戒笌鎬ц兘楠岃瘉
鏍煎紡鍖栧苟鎸傝浇闃靛垪锛?/p>
- 鍒涘缓XFS鏂囦欢绯荤粺锛?code>mkfs.xfs /dev/md0
- 寤虹珛鎸傝浇鐐癸細
mkdir /data - 鍐欏叆fstab瀹炵幇寮€鏈烘寕杞斤細
echo /dev/md0 /data xfs defaults 0 0 >> /etc/fstab
浣跨敤dd鍛戒护娴嬭瘯璇诲啓閫熷害锛孯AID10搴旇揪鍒板崟鐩橀€熷害鐨?鍊嶄互涓娿€?/p>
浜斻€佹棩甯哥鐞嗕笌缁存姢
鍏抽敭缁存姢鎿嶄綔锛?/p>
- 鐩戞帶鐘舵€侊細
watch -n 5 cat /proc/mdstat - 纾佺洏鏇挎崲锛?code>mdadm /dev/md1 –fail /dev/sdb –remove /dev/sdb –add /dev/sdf
- 閰嶇疆澶囦唤锛?code>mdadm –detail –scan > /etc/mdadm.conf
寤鸿姣忔湀鎵ц闃靛垪涓€鑷存€ф鏌ワ細echo check > /sys/block/md0/md/sync_action
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