[lug] help on new disk. Speed and formatting issues

[John Hernandez]

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Phil Rasch wrote:

<snip>

|
| I decided I wanted a journalled file system on most of it, so I
| repartitioned it (three partitions sda1, sda2, sda2) with parted,
| and formatted it with reiserfs(sda2 and sda2) and mke2fs (sda1). I am
| not quite sure why I used an ext2 file system on sda1 but that is what
| I chose.


If desired, you can add a journal to your ext2 filesystem by using
'tune2fs -j /dev/sda1', then mount it as ext3.

|
| Anyway, now hdparm reports pitiful transfer rates
| /dev/sda:
|  Timing buffer-cache reads:  128MB in 0.9 seconds = 137.63 MB/sec
|  Timing buffered disk reads: 64 MB in 69 seconds = 938 kB/sec
|
| Can anybody tell me what I have screwed up?


Check to see that DMA transfers are enabled with 'hdparm -d /dev/sda'.
~ Are you sure there is no disk activity during your test?

|
| Thanks
|
| Phil
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~ |  John Hernandez - NOAA Boulder NOC - 303-497-6392
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