Linux Software Raid

Fedora 12 Software Raid

I have my desktop configured with 4 1TB disk drives. The boot is a raid 1 under md0 and everything else is md1 and is a raid 5. Here is the layout:

# cat /proc/mdstat Personalities : [raid1] [raid6] [raid5] [raid4] md1 : active raid5 sda2[0] sdd1[3] sdc1[2] sdb1[1] 2893415808 blocks

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Atop System and Process Monitor

Atop – A top System and Process Monitor

Just learned about this useful tool called atop.  Better than top and just as useful as vmstat; atop will track processes as they grow and shrink memory. Very handy tool to determine what is going on a system and where to begin when looking for places to tune.

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