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What do iostat hard errors and transport errors mean?

PaisleyMar 9 2011 — edited Aug 20 2013

Can anyone give me some insight into the following output from iostat

-bash-3.00# iostat -En c1t5d0
c1t5d0 Soft Errors: 0 Hard Errors: 5 Transport Errors: 8
Vendor: FUJITSU Product: MAN3735F SUN72G Revision: 0704 Serial No: 0305V94190
Size: 73.41GB <73407865856 bytes>
Media Error: 0 Device Not Ready: 0 No Device: 1 Recoverable: 0
Illegal Request: 0 Predictive Failure Analysis: 0

Obviously there are 5 hard errors and 8 transport errors, but what does that normally mean? Reseat the drive to fix? Run fsck? How many errors are acceptable before needing to become concerned?

This post has been answered by Nik on Mar 9 2011

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