dd slow while reading on multipathing, writing is fast

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dd slow while reading on multipathing, writing is fast

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02-08-2011, 08:40 AM	#1
bcnx LQ Newbie Registered: Aug 2010 Posts: 14 Rep:	dd slow while reading on multipathing, writing is fast Hi all, something peculiar I cannot get my head round. I have a setup where a backup server connects to iSCSI LUNs over multipathing. While dd-ing to it, I get a spiffing 200 MB/sec, while reading it drops to 70 MB/sec. Local storage where I write the image onto is sufficiently fast. Anyone any idea how this is possible? Thx! B.

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