HDD setting with hdparm
I was looking at a post I made over a year ago when my HDD was acting up. After an upgrade to a newer kernel hdparm gave:
/dev/hda: multcount = 0 (off) IO_support = 1 (32-bit) unmaskirq = 1 (on) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 65535/16/63, sectors = 234375000, start = 0 Since then the kernel has been update serveral times so today I ran it again. Weird though, I seem to have a less performing drive (same one thought) debian:/home/powadha# hdparm -t /dev/hda /dev/hda: Timing buffered disk reads: 78 MB in 3.05 seconds = 25.59 MB/sec debian:/home/powadha# hdparm /dev/hda /dev/hda: multcount = 0 (off) IO_support = 0 (default 16-bit) unmaskirq = 0 (off) using_dma = 1 (on) keepsettings = 0 (off) readonly = 0 (off) readahead = 256 (on) geometry = 65535/16/63, sectors = 234375120, start = 0 debian:/home/powadha# this could be an explanation for the fact that my LAN is really terrible at file transfers (about 7 mb/s max). Any clues on how to get my disk back to speed? Before I forget: are the settings that used to be 1 and now 0 really of big effect on the speed and behaviour of the disk? Regards |
Well I would think 32 Bit I/O would be considerably faster than 16 Bito I/O basically Double the throughput..
http://gentoo-wiki.com/HOWTO_Use_hdp..._IO_SUPPORT_-c |
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