Jay Grogan wrote:
The V120 has 4GB of RAM , on the HDS side we are in a RAID 5 on the LUN and not
shairing any ports on the MCdata, but with so much cache we aren't close to
taxing the disk.
Are you sure? At some point data has to get flushed from the cache to
the drives themselves. In most
The V120 has 4GB of RAM , on the HDS side we are in a RAID 5 on the LUN and not
shairing any ports on the MCdata, but with so much cache we aren't close to
taxing the disk. You mentioned the 50MB on the throughput and that's something
we've been wondering around here as to what the average is fo
Hello Luke,
Wednesday, November 1, 2006, 12:59:49 AM, you wrote:
LL> Robert,
LL> On 10/31/06 3:55 PM, "Robert Milkowski" <[EMAIL PROTECTED]> wrote:
>> Right now with S10U3 beta with over 40 disks I can get only about
>> 1.6GB/s peak.
LL> That's decent - is that the number reported by "zpool io
Robert,
On 10/31/06 3:55 PM, "Robert Milkowski" <[EMAIL PROTECTED]> wrote:
> Right now with S10U3 beta with over 40 disks I can get only about
> 1.6GB/s peak.
That's decent - is that the number reported by "zpool iostat"? In that case
then I think 1GB = 1024^4, my GB measurements are roughly "b
Hello Luke,
Wednesday, November 1, 2006, 12:13:28 AM, you wrote:
LL> Robert,
LL> On 10/31/06 3:10 PM, "Robert Milkowski" <[EMAIL PROTECTED]> wrote:
>> Even then I would try first to test with more real load on ZFS as it
>> can turn out that ZFS performs better anyway. Despite problems with
>> l
Robert,
On 10/31/06 3:10 PM, "Robert Milkowski" <[EMAIL PROTECTED]> wrote:
> Even then I would try first to test with more real load on ZFS as it
> can turn out that ZFS performs better anyway. Despite problems with
> large sequential writings I find ZFS to perform better in many more
> complex s
Hello Jay,
Tuesday, October 31, 2006, 7:09:12 PM, you wrote:
JG> Thanks Robert, I was hoping something like that hard turned up
JG> allot of what I will need to use ZFS for will be sequential writes at this
time.
JG>
Even then I would try first to test with more real load on ZFS as it
can tur
On Oct 31, 2006, at 11:09 AM, Jay Grogan wrote:
Thanks Robert, I was hoping something like that hard turned up
allot of what I will need to use ZFS for will be sequential writes
at this time.
I don't know what it is worth, but I was using iozone www.iozone.org/> on my ZFS on top of Areca R
Thanks Robert, I was hoping something like that hard turned up allot of what I
will need to use ZFS for will be sequential writes at this time.
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Jay Grogan wrote:
To answer your question "Yes I did expect the same or better performance than standard
UFS" based on all the hype and to quote Sun "Blazing performance
ZFS is based on a transactional object model that removes most of the
traditional constraints on the order of issuing I/Os, w
To answer your question "Yes I did expect the same or better performance than
standard UFS" based on all the hype and to quote Sun "Blazing performance
ZFS is based on a transactional object model that removes most of the
traditional constraints on the order of issuing I/Os, which results in huge
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