linux raid information
techAdmin
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linux software mdadm raid: www.hermann-uwe.de/blog/recovering-from-a-dead-disk-in-a-linux-software-raid5-system-using-mdadm

note, for hotswapping, make sure to have ahci mode enabled in bios: www.intel.com/support/motherboards/desktop/sb/CS-020811.htm#modes

:: Quote ::
SATA Modes (AHCI; Hot Swap)
The SATA controller has three modes of operation:

* IDE mode - no AHCI, no RAID
* SATA mode (sometimes called AHCI mode) - AHCI enabled, no RAID
* RAID mode - AHCI enabled, RAID enabled

AHCI mode also allows for Hot Swapping drives.

Switching SATA modes in the BIOS after installing the operating system is not recommended when a SATA drive is the boot drive. Switching modes may cause an immediate blue screen with an 0x0000007b error code, followed by a reboot.


Note that many motherboards default to IDE mode, thus disabling hotswap.

General Intel Sata raid faq: www.intel.com/support/motherboards/desktop/sb/CS-020811.htm
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