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>

1. 鎿嶄綔绯荤粺涓篊entOS/RHEL 7.4鍙婁互涓婄増鏈?/li>
2. 宸插畨瑁卪dadm绠＄悊宸ュ叿锛堟墽琛?code>yum install mdadm锛?/li>
3. 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>

1. 鍒涘缓XFS鏂囦欢绯荤粺锛?code>mkfs.xfs /dev/md0
2. 寤虹珛鎸傝浇鐐癸細mkdir /data
3. 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