<html><head></head><body><div>How the $(^*#!!! do I use hdparm to enable write caching on a giant pile of drives that make up a hardware RAID 6 array?</div><div><br></div><div>I can peek through the controller with smartctl for health monitoring. The RAID controller (MegaRAID) has a tool to see that each drive has a N/A status for hardware cache (these drives all have a large multi-MB cache).</div><div><br></div><div>I _really_ don't want to have to convert all 28 drives to RAID0 so I can get a /dev/sdx node for hdparm.</div><div><span><pre><pre>-- <br></pre>James P. Kinney III
Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain
http://heretothereideas.blogspot.com/
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