Hans Kristian Rosbach [EMAIL PROTECTED] wrote:
On Mon, 2005-01-17 at 17:46, Peter T. Breuer wrote:
Interesting. How did you measure latency? Do you have a script you
could post?
It's part of another application we use internally at work. I'll check
to see wether part of it could be GPL'ed
You will get 2 parallel sequential reads at around 120MB/sec
assuming you're not bus limited.
To clarify because this looks ambiguous to me now, you should be able to
perform 2 parallel sequential reads both at 60MB/sec = 120MB/sec total.
-ryan
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Yea, SeaTools Enterprise says it uses the sg devices and it's for SCSI
disks. It looks like it runs tests similar to that that are triggered
by the -t option in 'smartctl'.
Hmm..I tried running the extended test (using smartctl). It completed
that okay and now says it's reallocated 137 sectors
W licie z wto, 18-01-2005, godz. 18:34, J. Ryan Earl pisze:
You will get 2 parallel sequential reads at around 120MB/sec
assuming you're not bus limited.
To clarify because this looks ambiguous to me now, you should be able to
perform 2 parallel sequential reads both at 60MB/sec = 120MB/sec
Think about it and it should make sense. You have two discs with identical
layouts. How could you possibly increase the speed of a single sequential
read? You can't just read half from one drive, half from the other, you'd
always have heads seeking and it would no longer be a sequential
W licie z wto, 18-01-2005, godz. 20:18, J. Ryan Earl pisze:
I missed that, sounds like you got an IDE concurrency problem. Perhaps you
can't read from both ports for some reason. Don't think it's a raid problem
though.
well, it is a raid problem. Check it out. I've ran the following
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On 01/05/2005 11:44 PM, Alvin Oga wrote:
I have a 250GB drive I just swapped out that was growing bad sectors at the
rate of 3 per day that
did a clean badblocks 5 months ago when it was installed.
you're buying bad hardware from bad vendors
hi ya clemen
On Wed, 19 Jan 2005, Clemens Schwaighofer wrote:
On 01/05/2005 11:44 PM, Alvin Oga wrote:
you're buying bad hardware from bad vendors
seriously, thats just wrong. Ever heard of IBM deathstart HDs? Or
other stuff? As long as you use IDE hardware you are always close to
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On 01/19/2005 02:05 PM, Alvin Oga wrote:
hi ya clemen
On Wed, 19 Jan 2005, Clemens Schwaighofer wrote:
On 01/05/2005 11:44 PM, Alvin Oga wrote:
you're buying bad hardware from bad vendors
seriously, thats just wrong. Ever heard of IBM
hi ya clemens
- yup.. i agree in general except for your bull shit comment :-)
( see below )
On Wed, 19 Jan 2005, Clemens Schwaighofer wrote:
Since I do SysAdmin as a get money for it service I had not a single
SCSI disk die (call it luck).
i think lots of people, probably
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