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linux raid

CentOS / Redhat: Create Software RAID 1 Array

Recently, I've added another 73GB SAS disk to my Linux server after the installation. I've 30GB empty partition on old hard disk. How do I convert old /dev/sda3 and new /dev/sdb1 (both 30GB) into RAID 1 to improve NFS server speed and reliability?
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Linux Check Health of 3ware RAID Array

How do I check the health of my 3ware RAID array under any Linux distribution? How do I access 3ware RAID Array web interface?
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Linux Check The Health of Adaptec RAID array

Q. How do I check the health of Adaptec RAID array under Fedora / CentOS / Red Hat Enterprise Linux / Debian / Ubuntu Linux server from a shell prompt?
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