Re: Testers needed - Maxtor performance degradation

[Tvrtko Ursulin <tvrtko.ursulin@sophos.com>]

On Thursday 06 May 2010 17:15:58 Mikulas Patocka wrote:
[snip]
> I'd like to ask other people with Maxtor disks to run this script (with
> "sda", "sdb", etc. as an argument ... without "/dev/" prefix). The script
> measures read rate as a function of request size. Report the results, so
> that it can be determined which disks are buggy and which not and the
> default transfer size could be reduced to 256kB for the buggy ones.

Here is one:

MAXTOR ATLAS10K5_073SAS BP00
64 kB: 86.7 MB/s
128 kB: 86.6 MB/s
192 kB: 86.6 MB/s
256 kB: 86.1 MB/s
320 kB: 39.9 MB/s
384 kB: 41.1 MB/s
448 kB: 41.3 MB/s
512 kB: 44.2 MB/s
576 kB: 49.7 MB/s
640 kB: 42.8 MB/s
704 kB: 47.0 MB/s
768 kB: 46.4 MB/s
832 kB: 59.1 MB/s
896 kB: 55.6 MB/s
960 kB: 57.2 MB/s
1024 kB: 59.3 MB/s

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