Advice for perf testing dasd

2010-02-05 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all: I'm doing some comparison studies on dasd / disk I/O for different configurations of storage and storage on different virtualization platforms (trying to convince management that oracle on Z is an okay thing). I'd really really appreciate an

Re: Advice for perf testing dasd

2010-02-05 Thread Mark Post
>>> On 2/5/2010 at 07:04 PM, Patrick Spinler wrote: > I'd plan to do all this testing on an up to date install of rhel 5.4 in > a single IFL guest, ... Comparing the performance of one instance of Linux for System z to one instance of anything else is likely going to make the System z look anem

Re: Advice for perf testing dasd

2010-02-05 Thread David Boyes
On 2/5/10 7:04 PM, "Patrick Spinler" wrote: > I'm doing some comparison studies on dasd / disk I/O for different > configurations of storage and storage on different virtualization > platforms (trying to convince management that oracle on Z is an okay > thing). I'd really really appreciate any

Re: Advice for perf testing dasd

2010-02-05 Thread Marcy Cortes
Message- From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Patrick Spinler Sent: Friday, February 05, 2010 4:05 PM To: LINUX-390@vm.marist.edu Subject: [LINUX-390] Advice for perf testing dasd -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all: I'm doing some com

Re: Advice for perf testing dasd

2010-02-08 Thread Shockley, Gerard C
details. Gerard -Original Message- From: Linux on 390 Port [mailto:linux-...@vm.marist.edu] On Behalf Of Patrick Spinler Sent: Friday, February 05, 2010 7:05 PM To: LINUX-390@vm.marist.edu Subject: Advice for perf testing dasd -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi all: I&#

Re: Advice for perf testing dasd

2010-02-08 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Oh, thanks. I'll be looking into this. - -- Pat David Boyes wrote: > On 2/5/10 7:04 PM, "Patrick Spinler" wrote: > > >> I'm doing some comparison studies on dasd / disk I/O for different >> configurations of storage and storage on different virtua

Re: Advice for perf testing dasd

2010-02-08 Thread Patrick Spinler
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 While true, setting up a (near) full scale environment for benchmarking politically difficult to do. :-( - -- Pat Mark Post wrote: On 2/5/2010 at 07:04 PM, Patrick Spinler wrote: >> I'd plan to do all this testing on an up to date install of

Re: Advice for perf testing dasd

2010-02-08 Thread Robert J Brenneman
>From what I know - a DS4800 storage box will not provide channel attached ECKD disk. It's SAN FCP only. >From the IBM storage group a DS6000 or DS8000 will provide channel attached ECKD disk. If you don't get a database like configuration out of your mainframe storage management people, your disk

Re: Advice for perf testing dasd

2010-02-09 Thread John Schnitzler Jr
Pat, A couple of things stand out in your test plan that I think you should be aware of .. The DS4800 does not provide ECKD disks. The DS4800 is not supported for connection to the zSeries FCP channel. However, It is supported by a San Volume Controller (IBM 2145) and since the 2145 is supporte

Re: Advice for perf testing dasd

2010-03-08 Thread Richard Troth
Thanks! ORION turned out to be handy. I wish they provided source. It's a little heavy on the CPU, but ... still comparing to other benchmarks (notably Bonnie++). -- R; <>< On Fri, Feb 5, 2010 at 20:04, David Boyes wrote: > On 2/5/10 7:04 PM, "Patrick Spinler" wrote: > > >> I'm doing s

Re: Advice for perf testing dasd

2010-03-08 Thread David Boyes
On 3/8/10 2:20 PM, "Richard Troth" wrote: > Thanks! ORION turned out to be handy. I wish they provided source. I suspect that may be deliberate, to avoid having vendors optimize for specific tests. -- For LINUX-390 subscrib