http://www.codemonkey.org.uk/2009/03/19/badblocks-1tb-drive/ Dave Jones' Linux & opensource stuff. Sun, 15 Nov 2009 23:10:55 +0000 http://wordpress.org/?v=2.9.1 hourly 1 http://www.codemonkey.org.uk/2009/03/19/badblocks-1tb-drive/comment-page-1/#comment-136 davej Thu, 19 Mar 2009 16:30:40 +0000 http://www.codemonkey.org.uk/?p=151#comment-136 Not sure what you mean by set -b4096. hdparm always does 1MB reads afaik. Reading/Writing 4k at a time is pretty miserable for throughput. Even on SSDs. Not sure what you mean by set -b4096. hdparm always does 1MB reads afaik. Reading/Writing 4k at a time is pretty miserable for throughput. Even on SSDs.

]]> http://www.codemonkey.org.uk/2009/03/19/badblocks-1tb-drive/comment-page-1/#comment-135 pixelbeat Thu, 19 Mar 2009 16:24:31 +0000 http://www.codemonkey.org.uk/?p=151#comment-135 I was using badblocks yesterday and cursing the same thing. Why is it so slow BTW? Using `sudo hdparm -t /dev/sda` I get 57MB/s but badblocks was going at about 5MB/s I think?, and that was after I set -b4096. I was using badblocks yesterday and cursing the same thing. Why is it so slow BTW? Using `sudo hdparm -t /dev/sda` I get 57MB/s but badblocks was going at about 5MB/s I think?, and that was after I set -b4096.

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