more comments...
On May 1, 2012, at 10:41 AM, Ray Van Dolson wrote:
> On Tue, May 01, 2012 at 07:18:18AM -0700, Bob Friesenhahn wrote:
>> On Mon, 30 Apr 2012, Ray Van Dolson wrote:
>>
>>> I'm trying to run some IOzone benchmarking on a new system to get a
>>> feel for baseline performance.
>>
>
On Tue, 1 May 2012, Ray Van Dolson wrote:
Testing multi-threaded synchronous writes with IOzone might actually
mean something if it is representative of your work-load.
Sounds like IOzone may not be my best option here (though it does
produce pretty graphs).
bonnie++ actually gave me more rea
On Tue, May 1, 2012 at 1:45 PM, Gary wrote:
> The idea of benchmarking -- IMHO -- is to vaguely attempt to reproduce
> real world loads. Obviously, this is an imperfect science but if
> you're going to be writing a lot of small files (e.g. NNTP or email
> servers used to be a good real world exam
On 5/1/12, Ray Van Dolson wrote:
> The problem is this box has 144GB of memory. If I go with a 16GB file
> size (which I did), then memory and caching influences the results
> pretty severely (I get around 3GB/sec for writes!).
The idea of benchmarking -- IMHO -- is to vaguely attempt to reprodu
On Tue, May 01, 2012 at 07:18:18AM -0700, Bob Friesenhahn wrote:
> On Mon, 30 Apr 2012, Ray Van Dolson wrote:
>
> > I'm trying to run some IOzone benchmarking on a new system to get a
> > feel for baseline performance.
>
> Unfortunately, benchmarking with IOzone is a very poor indicator of
> wha
On Tue, May 01, 2012 at 03:21:05AM -0700, Gary Driggs wrote:
> On May 1, 2012, at 1:41 AM, Ray Van Dolson wrote:
>
> > Throughput:
> >iozone -m -t 8 -T -r 128k -o -s 36G -R -b bigfile.xls
> >
> > IOPS:
> >iozone -O -i 0 -i 1 -i 2 -e -+n -r 128K -s 288G > iops.txt
>
> Do you expect to be r
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5.3 is released, not much of an idea about the 5.4 schedule.
On Monday 30 April 2012 08:30 AM, Fred Liu wrote:
The subject says it all.
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On Mon, 30 Apr 2012, Ray Van Dolson wrote:
I'm trying to run some IOzone benchmarking on a new system to get a
feel for baseline performance.
Unfortunately, benchmarking with IOzone is a very poor indicator of
what performance will be like during normal use. Forcing the system
to behave lik
On Mon, Apr 30, 2012 at 4:15 PM, Ray Van Dolson wrote:
> I'm trying to run some IOzone benchmarking on a new system to get a
> feel for baseline performance.
If you have compression turned on (and I highly recommend turning
it on if you have the CPU power to handle it), the IOzone data will
2012/4/25 Richard Elling :
> On Apr 25, 2012, at 8:14 AM, Eric Schrock wrote:
>
> ZFS will always track per-user usage information even in the absence of
> quotas. See the the zfs 'userused@' properties and 'zfs userspace' command.
>
>
> tip: zfs get -H -o value -p userused@username filesystem
>
>
On May 1, 2012, at 1:41 AM, Ray Van Dolson wrote:
> Throughput:
>iozone -m -t 8 -T -r 128k -o -s 36G -R -b bigfile.xls
>
> IOPS:
>iozone -O -i 0 -i 1 -i 2 -e -+n -r 128K -s 288G > iops.txt
Do you expect to be reading or writing 36 or 288Gb files very often on
this array? The largest file
Instead we've switched to Linux and DRBD. And if that doesn't get me
sympathy I don't know what will.
SvSAN does something similar and it does it rather well, I think.
http://www.stormagic.com/SvSAN.php
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On Apr 29, 2012, at 7:59 PM, Fred Liu wrote:
>
> >On Apr 26, 2012, at 12:27 AM, Fred Liu wrote:
>
> >“zfs 'userused@' properties” and “'zfs userspace' command” are good enough
> >to gather usage statistics.
> >I think I mix that with NetApp. If my memory is correct, we have to set
> >quotas
On 04/30/12 04:00, Fred Liu wrote:
The subject says it all.
Still a fully supported product from Oracle:
http://www.oracle.com/us/products/servers-storage/storage/storage-software/qfs-software/overview/index.html
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I'm trying to run some IOzone benchmarking on a new system to get a
feel for baseline performance.
Unfortunately, the system has a lot of memory (144GB), but I have some
time so am approaching my runs as follows:
Throughput:
iozone -m -t 8 -T -r 128k -o -s 36G -R -b bigfile.xls
IOPS:
ioz
>On Apr 26, 2012, at 12:27 AM, Fred Liu wrote:
>"zfs 'userused@' properties" and "'zfs userspace' command" are good enough to
>gather usage statistics.
>I think I mix that with NetApp. If my memory is correct, we have to set quotas
>to get usage statistics under DataOnTAP.
>Further, if we can
The subject says it all.
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