Re: New SSD options for IBM Power Systems provide enhancedperformanceat a lower cost

[Glenn Ericson <glenn-ericson@xxxxxxx>]

Agreed they are super additions

 Sent from/ by my iPhone.   

Glenn Ericson 
ITech Solutions Group

> On Apr 20, 2016, at 9:00 AM, Jim Oberholtzer <midrangel@xxxxxxxxxxxxxxxxx> wrote:
>
> Maybe because it was developed just for the newly announced devices and since regular SSDs are covered under normal maintenance it really does not matter?
>
> --
> Jim Oberholtzer
> Agile Technology Architects
>
>
> -----Original Message-----
> From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Rob Berendt
> Sent: Wednesday, April 20, 2016 7:58 AM
> To: Midrange Systems Technical Discussion
> Subject: Re: New SSD options for IBM Power Systems provide enhancedperformanceat a lower cost
>
> Apparently you cannot run that on a system with just regular SSD's.
> CPF7216 - Requested advanced analysis command SSDGAUGE is not supported.
> But that could just be an assumption on my part as to why I am getting that message.  IBM doesn't document 'why'.
>
> http://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/apis/qsmgsstd.htm?lang=en
>
>
> Rob Berendt
> --
> IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail to:  2505 Dekko Drive
>          Garrett, IN 46738
> Ship to:  Dock 108
>          6928N 400E
>          Kendallville, IN 46755
> http://www.dekko.com
>
>
>
>
>
> From:   Steve Pavlichek <spavlichek@xxxxxxxxxxx>
> To:     "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
> Date:   04/20/2016 08:07 AM
> Subject:        Re: New SSD options for IBM Power Systems provide 
> enhancedperformanceat a lower cost
> Sent by:        "MIDRANGE-L" <midrange-l-bounces@xxxxxxxxxxxx>
>
>
>
> Paul,
> No need to worry about wearing out your current SSDs. The maintenance 
> policy change only affects the new 1.9TB Read Intensive drives. IBM has 
> published a tool for customers to monitor the wear cycle on these new 
> drives called the IBM i SSD Fuel Gauge.
>
> www.ibm.com/developerworks/ibmi/techupdates/hw/issdfuelgauge
>
> If your just interested in read/write ratio I would recommend running the 
> Resource Report under Performance Tools Reports. This will show you the 
> R/W ratio for each PT time slice(Typically 15 minutes). 
>
>
> -----Original Message----- 
> From: Steinmetz, Paul 
> Sent: Tuesday, April 19, 2016 4:26 PM 
> To: 'Midrange Systems Technical Discussion' 
> Subject: RE: New SSD options for IBM Power Systems provide 
> enhancedperformanceat a lower cost 
>
> Steve,
>
> If I currently have 100% SSD in Production LPAR, is there a way to 
> determine if I'm read or write intensive?
>
> Production LPAR P7 740 82051-E6C 
> V7R1 Latest CUM, TR11
> 155 gb mem
> 1.5 CPU
> 5913 PCIe2 1.8GB Cache RAID SAS Adapter Tri-port 6Gb
> 100% SSD (13) ES0H 775GB SFF-2 SSD for IBM I 
> Raid5, 2 parity sets, 2 hot spares.
> Disk response time - .2 ms no wait time - 
>            Increases from .2 to 2.0 during nightly save 
> 577D 8 Gigabit PCI Express Dual Port Fibre Channel Adapter
>
> Paul
>
> -----Original Message-----
> From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of 
> Steve Pavlichek
> Sent: Tuesday, April 19, 2016 3:57 PM
> To: Midrange Systems Technical Discussion
> Subject: Re: New SSD options for IBM Power Systems provide enhanced 
> performanceat a lower cost
>
> One item to note on the 1.9TB SSDs.  These are high capacity/low cost SSDs 
> designed for READ intensive applications and do not carry the typical IBM 
> maintenance.  Once they reach their “Write” limit they are considered worn 
> out and IBM will not replace them under maintenance contract.
>
> •Write intensive workloads can “wear out” the drive  --  watch your fuel 
> gauge to monitor usage •Approximately 3,394 TB of data can be written to 
> drive, but may be somewhat larger •Drive Write Per Day (DWPD) rating of 
> “1”
> •Use RI SSD when you are confident your write workload is reasonable
>
>
>
> -----Original Message-----
> From: Steinmetz, Paul
> Sent: Tuesday, April 19, 2016 3:23 PM
> To: 'Midrange Systems Technical Discussion'
> Subject: New SSD options for IBM Power Systems provide enhanced 
> performanceat a lower cost
>
> Do number of arms still matter?
>
> http://www-01.ibm.com/common/ssi/cgi-bin/ssialias?infotype=an&subtype=ca&appname=gpateam&supplier=897&letternum=ENUS116-036
>
>
> http://www-01.ibm.com/common/ssi/rep_ca/6/897/ENUS116-036/ENUS-116-036-LIST_PRICES_2016_04_12.PDF
>
>
>
>
> Thank You
> _____
> Paul Steinmetz
> IBM i Systems Administrator
>
> Pencor Services, Inc.
> 462 Delaware Ave
> Palmerton Pa 18071
>
> 610-826-9117 work
> 610-826-9188 fax
> 610-349-0913 cell
> 610-377-6012 home
>
> psteinmetz@xxxxxxxxxx<mailto:psteinmetz@xxxxxxxxxx>
> http://www.pencor.com/
>
> --
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing 
> list To post a message email: MIDRANGE-L@xxxxxxxxxxxx To subscribe, 
> unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx Before posting, please take a 
> moment to review the archives at http://archive.midrange.com/midrange-l.
>
> Please contact support@xxxxxxxxxxxx for any subscription related 
> questions. 
>
> --
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing 
> list To post a message email: MIDRANGE-L@xxxxxxxxxxxx To subscribe, 
> unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx Before posting, please take a 
> moment to review the archives at http://archive.midrange.com/midrange-l.
>
> Please contact support@xxxxxxxxxxxx for any subscription related 
> questions.
> -- 
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing 
> list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
>
> Please contact support@xxxxxxxxxxxx for any subscription related 
> questions.
> -- 
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing 
> list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
>
> Please contact support@xxxxxxxxxxxx for any subscription related 
> questions.
>
>
>
> -- 
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
>
> Please contact support@xxxxxxxxxxxx for any subscription related questions.
>
> -- 
> This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list
> To post a message email: MIDRANGE-L@xxxxxxxxxxxx
> To subscribe, unsubscribe, or change list options,
> visit: http://lists.midrange.com/mailman/listinfo/midrange-l
> or email: MIDRANGE-L-request@xxxxxxxxxxxx
> Before posting, please take a moment to review the archives
> at http://archive.midrange.com/midrange-l.
>
> Please contact support@xxxxxxxxxxxx for any subscription related questions.