目录

RAID

Description： Lots of disk combination become a more big virtual disk by RAID, and it will have more fast I/O speed.

Create RAID

mdadm -C /dev/md[0|10|5|1] -l 10 -n[Number] -x 2 /dev/sb{a..z} -l level
 -n diskCount
 -x hotSpare
  

 

  
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Check RAIDinfo and syncSchedule

mdadm -D /dev/mdName
  

 

  
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Remove disk member from RAID

mdadm /dev/mdName -f /dev/sdMemberName  # Manual assign fault device
mdadm /dev/mdName -r /dev/sdMemerName   # Remove the fault device
  

 

  
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Add RAID device

mdadm /dev/mdName -a /dev/sdMemberName
  

 

  
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Stop/delete RAID

mdadm -D -s > /etc/mdadm.conf #create new config file -s:--scan
mdadm -S /dev/mdName --> stop/delete RAID
mdadm -As /dev/mdName -->restart RAID
  

 

  
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Re-add the hot spare to RAID

mdadm -G /dev/mdName -n 6 #RAID10 not support.
  

 

  
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文章来源: is-cloud.blog.csdn.net，作者：范桂飓，版权归原作者所有，如需转载，请联系作者。

原文链接：is-cloud.blog.csdn.net/article/details/50001191