December 5, 2017 Timothy Prickett MorganIBM-power9-witherspoon-logo-bw-200x137.jpg" class="feat-img wp-post-image" alt="" srcset="https://3s81si1s5ygj3mzby34dq6qf-wpengine.netdna-ssl.com/wp-content/uploads/2017/12/IBM-power9-witherspoon-logo-bw-200x137.jpg 200w, https://3s81si1s5ygj3mzby34dq6qf-wpengine.netdna-ssl.com/wp-content/uploads/2017/12/IBM-power9-witherspoon-logo-bw-300x205.jpg 300w, https://3s81si1s5ygj3mzby34dq6qf-wpengine.netdna-ssl.com/wp-content/uploads/2017/12/IBM-power9-witherspoon-logo-bw.jpg 391w" sizes="(max-width: 200px) 100vw, 200px"/>
The server race is in reality afoot now that IBM has eventually gotten off the beginning blocks with its first Power9 gadget, in keeping with its “Nimbus” variant of that processor and turbocharged with the newest “Volta” Tesla GPU accelerators from Nvidia and EDR InfiniBand networks from Mellanox technologies.
The computer launched today, general variously as by using the code-name “Witherspoon” or “Newell,” is the building block of the CORAL systems being deployed through the us department of energy – “Summit” at all rightRidge countrywide Laboratory and “Sierra” at Lawrence Livermore countrywide Laboratory. but more importantly, the Witherspoon system represents a new groundwork for IBM’s energy techniques enterprise and its basic perception that it will probably engineer an improved device than Intel or AMD can. With assist from its OpenPower companions, of direction.
This desktop will be the examine of that idea, and the uptake of this system for common HPC simulation and modeling workloads as well as the novices computer gaining knowledge of and accelerated databases – all of which can be based on the vastly parallel processing and powerful node scaling of GPUs – will by using and big verify the way forward for the energy techniques division at IBM.
When huge Blue offered off its gadget x X86 server division back in early 2014, this became the day that IBM was planning for. And the big wager is that the combination of sturdy serial compute, as embodied in the Power9 chip, plus amazing parallel compute, embodied in the Volta GPUs, plus very tight coupling of CPUs and GPUs during the 25 Gb/sec bi-directional signaling within the NVLink 2.0 interconnect, plus the addition of “Bluelink” 25 Gb/sec signaling for OpenCAPI interconnects to persistent reminiscence and different accelerators akin to Xilinx FPGAs, plus PCI-categorical four.0 peripheral hyperlinks (16 Gb/sec both approaches, with more suitable CAPI 2.0 support), plus cache coherence throughout all of these memories in these instruments over these numerous in-node interconnects will existing the greatest, baddest, most bendy, and most beneficial node that any person can box. And, with these days’s a hundred Gb/sec EDR InfiniBand and subsequent 12 months’s 200 Gb/sec HDR InfiniBand, it might be viable to construct – because the US govt is doing with Summit and Sierra – very potent methods with dozens to hundreds of petaflops with a modest amount of MPI scaling throughout the exterior community.
If this doesn’t work for IBM, if this doesn’t give big Blue an opportunity to basically seize a bigger slice of HPC and take some aggressive share in desktop studying and accelerated databases, it's tough to imagine what might.Lifting The Hood On The AC922
we have talked for years in regards to the structure of the Power9 processors, the benefits of NVLink and OpenCAPI, the transformative nature of the coherency IBM is offering within a node that Intel and AMD don't yet present, and IBM’s commitment to accelerated computing tuned with distinct instruments for different workloads. Now, eventually, we will take a glance under the hood on the internals of the Witherspoon device.
There became some debate within IBM about what to call the Witherspoon gadget to differentiate it from the previous and from the different energy techniques machines in response to the Power9 processors – there are two variations, the other being the dimensions-up “Cumulus” chip for fat NUMA machines that has half the cores, twice the threads, and a few of the ports getting used for inside NUMA as a substitute exterior device interconnects – which are coming within the first half of 2018. Some desired to manufacturer the computing device Cognitive methods, which is the new identify for the combination of the equipment z and energy techniques lines. Some desired to retain the energy methods manufacturer and not change issues up too a good deal. however for this Witherspoon desktop at least, IBM has settled down to the moniker Accelerated Computing, or AC for short, and that leaves it open for the possibility of branding the different Power9 techniques geared toward extra natural business workloads as Datacenter Computing, or DC.
The Witherspoon device is sold below the manufacturer the AC922, the place the AC capacity the style – hybrid CPU and GPU compute with room for other accelerators – the 9 capacity it uses the Power9 chip, the primary two means it's a two-socket CPU system, and the 2nd 2 potential it is a 2U server form element. (IBM has bought Power8 and Power8+ machines with 1U, 2U, and 4U form factors using the dimensions-out variant of the chips.) here's what it feels like in an artsy exploded view:
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here is the mechanical view of the device:
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and eventually, right here is the system board block diagram:
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as a result of synthetic intelligence is an easier promote this present day than practically anything, IBM is awfully eager that its branding for this Power9 system is that it is architected for AI. however make no mistake about it. The AC922 is aimed at any workload – HPC, AI, visualization, database, and things we haven't thought of yet – the place shoppers deserve to mix CPUs, GPUs, and perhaps a modest volume of different kinds of persistent storage and FPGA compute right into a single, potent node.
The Power9 motors in the AC922 are pretty modest compared to what we predict for large Blue to at last convey to the field. instead of the twin-chip modules that were used within the scale-out methods all through the Power8 and Power8+ generations, the Nimbus Power9 chip used in the AC922 is a single chip module that has 24 cores on the die. The Summit and Sierra machines based on the AC922 are getting 22 core versions of the chips – we don’t recognize the clock speeds – but the industrial-grade AC922 has handiest two processor options. there is a sixteen-core version of the Nimbus chip that has a base clock pace of two.6 GHz and that turbos up to 3.09 GHz, and then there is an extra edition that has 20 cores operating at 2 GHz that turbos as much as 2.87 GHz. These chips are rated at a hundred ninety watts, which is a little decrease than previous generations of vigor processors, and considerably reduce, we suspect, than the Cumulus Power9 chips may be for greater NUMA clusters that scale to 4, eight, twelve, or sixteen sockets in a single system image. (See more on the rumors we've heard about the future “Fleetwood” Power9 NUMA iron, due subsequent 12 months, during this story.) so far as we comprehend, the 22 core variant of the Nimbus chip is the right-conclusion one for the AC922. IBM could later, as Power9 yields enhance, add a 24 core option. It has the thermal headroom, we suspect, specially with the right bin 28-core “Skylake” Xeon SP-8180M weighing in at 205 watts.
The AC922 has up to sixteen registered DIMM DDR4 main memory slots, and in contrast to prior Power8 and Power8+ methods (except for a number of homegrown ones during the OpenPower collective), these reminiscence sticks are lavatory usual DIMMs and do not use IBM’s “Centaur” reminiscence buffer chips. This cuts the amount of reminiscence slots per socket in half, which cuts down the memory bandwidth with the aid of half, nevertheless it additionally allows for extra cost effective server nodes for HPC and AI clusters where the volume of memory on the GPU accelerator is more critical – or as important at the least – because the reminiscence on the CPU. (That mentioned, we consider that once coherency across CPUs and accelerators takes off, you may find an in-memory bend, and agencies might also beginning constructing fat reminiscence in addition to fats compute nodes. we shall see.)
At this point, IBM is helping memory sticks with sixteen GB, 32 GB, and sixty four GB of capability, and they're all operating at 2.sixty seven GHz. IBM is charging $35 per GB for the skinnier two sticks and $39 per GB for the fatter one; here's lots under it fees different vigor programs customers for its buffered memory. IBM is requiring that every one reminiscence slots be filled, by the way, even though here is surely not a technical requirement. it truly is the best solution to get the 306 GB/sec of combination reminiscence bandwidth across both sockets. IBM will ultimately help up to 2 TB of reminiscence capability the use of 128 GB memory sticks, likely relatively early in 2018 if pricing pressures ease.
the majority of the parallel compute potential on the AC922 server is designed to come back from Tesla Volta coprocessors, and the equipment may also be configured with both four or six of the Volta G100 accelerators. As that you would be able to see, there's definitely some affinity between the CPUs and GPUs, with half of the four or six Volta SXM2 GPUs in the device placing off each and every socket. every Power9 chip has six NVLink ports coming off it, and two of these, which Nvidia calls bricks and which has eight lanes operating at 25 Gb/sec, are ganged up into either two or three pipes, counting on how many GPUs are striking off each CPU.
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The AC922 with 4 GPUs could be accessible as an air-cooled system, which is what Lawrence Livermore has opted for with Sierra, and with six GPUs it can be purchasable as a water-cooled device, which is what all rightRidge has chosen for Summit. (There are different ameliorations, akin to Sierra having simplest 256 GB of CPU memory because of budgetary restrictions and alrightRidge finding extra money to maintain the planned 512 GB.) in the system with 4 GPUs, the NVLinks hooking collectively the entire compute carry 150 GB/sec of bandwidth between the features, and on the device with six GPUs, the NVLinks are stepped right down to one hundred GB/sec to maintain all of it in steadiness. apparently, in case you appear carefully on the chart above, it not most effective shows IBM will be boosting reminiscence capability via 2X with these methods, but it will convey 3 GHz DDR4 memory sticks that boost the reminiscence bandwidth per socket from 153 GB/sec with 2.sixty seven GHz memory to 170 GB/sec with that three GHz memory.
incidentally, the Power9 processing card with sixteen cores working at 3.09 GHz rapid expenses $2,999, and the Power9 card that has 20 cores operating at 2.87 GHz turbo costs $3,999. here's very low-priced power cores via IBM standards. IBM is charging $11,499 for a Volta GPU accelerator.
The AC922 has a minimalist approach to I/O, in terms of having most effective what IBM expects that HPC and AI retail outlets will should do their huge compute jobs. We predict that different vigour systems variants of the machines – in the event that they are indeed referred to as that – may have a lot more enlargement ability. The Witherspoon server has a shared two-port a hundred Gb/sec community interface card hooked up right onto the motherboard, and this NIC interconnects with two PCI-categorical four.0 x8 slots coming off the controllers on the Power9 die. each and every socket additionally has a local PCI-express four.0 x16 slot it is enabled with the CAPI 2.0 protocol for coherence between non-GPU accelerators and persistent reminiscence gadgets like flash and 3D XPoint or ReRAM. one of the most sockets has a PCI-express four x4 slot. curiously, IBM has put a PLX technologies PEX 8733 32-lane, 18-port PCI-specific change onto the motherboard, which links to both processors and to all six GPU accelerators on one conclusion and a storage controller on the different end. This makes it possible for for extra average storage to route without delay to the GPUs during the change and now have to go to the CPUs to get to them. each GPU has a two-lane (x2) bus coming off the swap, and the hyperlinks are 4 lanes vast (x4) coming out of the controller and going up into the CPU. The USB ports and baseboard management controller (which is in keeping with the OPAL microcode that IBM created along side Google) all hold off the fundamental processor and consume one PCI-categorical four.0 lane (x1) every. moreover that two-port InfiniBand interface, the AC922 has a quad port 10 Gb/sec Ethernet adapter and a single port a hundred Gb/sec Ethernet adapter that snaps into the PCI-categorical four.0 slots.
The air-cooled version of the AC922 that has 4 Volta GPUs is going to be often purchasable on December 22, Dylan Boday, the providing supervisor for this HPC/AI machine on the Cognitive programs division, tells The next Platform. As we have prior to now pronounced, each all rightRidge and Lawrence Livermore are beginning to get Witherspoon machines installed, and at last will have four,600 and 4,320 nodes, respectively, with all rightRidge getting the six GPU edition and Lawrence Livermore getting the four GPU version. name it 10,000 nodes. (Lawrence Livermore has an unclassified machine, known as uSierra, with 684 nodes that it is setting up, too.) however they are not getting all the nodes.
in response to Boday, IBM has been working a leap delivery software for keen and early adopters for the ultimate month and has set apart some nodes for this aim, and has a few lots of of nodes that it could possibly promote right now, before December ends. (Boday says he just achieved an order for a proof of conception that has three dozen Witherspoon nodes, and the pipeline is full.) sometime right through the primary half of 2018 – IBM is being intentionally indistinct right here – the business will carry the six GPU water-cooled variant of Witherspoon to the broader industrial consumer base.
For native storage, the AC922 has two 2.5-inch force bays and a SATA storage controller for flash drives. The flash drives come in 960 GB, 1.92 TB, and 3.84 TB capacities at charges of $886, $1,689, and $three,960, respectively. IBM is offering a 1 TB, 7200 RPM disk power as an alternative, too. (We don’t comprehend the performance specs of the storage.) IBM additionally has a 1.6 TB NVM-express flash card that it is selling for $three,099. Boday says that IBM will ship a fatter 3.2 TB NVM-specific flash card for the Witherspoon computing device by means of the conclusion of the yr. This flash is getting used like a baby “burst buffer” inner the nodes in order that they don’t should attain out over the community for scratch storage, says Boday.
in the mean time, The AC922 server is licensed using pink Hat commercial enterprise Linux 7.four for vigor (the little endian edition) and a future version of Ubuntu Server will come out in the 2nd quarter. IBM’s commitment to SUSE Linux commercial enterprise Server on vigour is waning and it remains inspecting this, which is abnormal given the popularity of SUSE Linux in HPC and SAP HANA in-memory computing.
The actual concern is what is going to an AC922 node cost loaded up. The prior generation energy methods S822LC for HPC, code-named “Minksy” and just about the development platform for the Witherspoon packing containers, charge around $sixty five,000 or so loaded up with two Power8+ processors, 4 “Pascal” P100 GPU accelerators, and 256 GB of leading reminiscence for the CPUs. Boday says that IBM is going to preserve that fee factor about the identical for the same configuration of the AC922, with two Power9 chips, four Volta GPUs accelerators, and 256 GB of reminiscence. IBM become charging $50,000 in September 2016 when the Minksy launched for a container with 128 GB of memory and two ten-core Power8 chips operating at 2.86 GHz. The Witherspoon system may have twice as lots CPU compute and, depending on the measure, 2X to 6X the GPU compute, and a whole lot greater I/O bandwidth, too.
Up next, we might be taking a look at the efficiency benchmarks IBM has run on the new AC922 and how it compares to different GPU accelerated techniques. dwell tuned.
In October, I attended and spoke on the vigour techniques Technical university in New Orleans. whereas i used to be there i was capable of attend some very constructive periods and picked up some awesome tips. i thought this could be a chance to share a few of those with you. even if I even have been working within the enviornment for a very long time, I locate these conferences extraordinarily constructive—each for networking and the technical content material. At this convention i used to be focusing on a number of areas that i wished to enhance my talents on: more suitable mode HMC, networking and Spectrum Scale (previously GPFS). beneath are a collection of tidbits I picked up. hopefully you’ll find them useful as neatly.Networks
one of the most greater interesting issues I realized (from Alexander Paul) changed into very basic : a way to rapidly switch an IP tackle without inflicting an outage. I’ve been relocating my NIM server from fully virtualized to standalone and found this to be very helpful.
In my case i was moving from en3 to en1ifconfig en3 192.168.sixty five.a hundred and fifty switch en1 I then test with ping, and so forth and if it is working I make it permanent as follows: chdev -l en1 -a netaddr=192.168.65.150 -a netmask=255.255.255.128 -a state=up be cautious that you just disable en3 before the next reboot or it will come again up with the equal IP address and you may have a duplicate IP error. you could use chdev to set en3 to state=down or my personal favourite is to rmdev the adapter and run cfgmgr so it comes again clean: rmdev -dl et3 rmdev -dl en3 rmdev -dl ent3 cfgmr
I additionally went to a great session on Wireshark via Roy Spencer. I’ve been loads of hint output for VIO servers and the sea has reproduction packets because the SEA sees the packet are available in from the LPAR and the transmit out. It turns out that Wireshark includes a utility to eradicate these duplicate packets:editcap -F nettle -d ‘source’ ‘dest’
this can help me an awful lot in my analysis above all when making an attempt to provide packet counts.energy Masters
The hints of the energy Masters (Gareth Coates) session is at all times an excellent area to locate nuggets. In selected, he supplied particulars on how to turn on remote execution, remote operation and far flung digital terminals for the HMC in more desirable mode. here is now not beneath HMC management—as a substitute you’ll find it beneath clients and safety, systems and console safety. There’s a version of this session accessible on the power virtual user community and a demo of the more desirable HMC at the UK PowerVM virtual consumer group. I picked up loads of counsel on the HMC during this session including guidance around RMC.VIOS and different information I Picked Up
export CLI_DEBUG=33 Then run a VIO command and it'll exhibit you the precise AIX instructions which are carried out at the back of the scenes.I decided to check this on my system and here's what I saw: $ export CLI_DEBUG=33 $ lsnports AIX: "/usr/lib/strategies/viosmgr -t npiv -f query_fc_ports >/dev/null" name physloc material tports aports swwpns awwpns fcs4 U78C9.001.WZS0234-P1-C6-T1 1 sixty four 57 3088 3065 fcs5 U78C9.001.WZS0234-P1-C6-T2 1 64 fifty seven 3088 3065 lsnports is a advantageous option to investigate if your fibre ports are connected to an NPIC equipped swap. If here is now not the case you are going to see right here message: “system would not have NPIV ready ports or no NPIV ports with the hyperlink up.” $ lsmap -all -vnic AIX: "lsdev -c adapter -t IBM,vnic-server -s vdevice -F "name" | wc -l -c" AIX: "lsdev -c adapter -t IBM,vnic-server -s vdevice -F "identify"" manage channel
yet another effective tip is how to examine for the manage channel (the brand new default is 4095 as of two.2.3)# lsdev -C | grep ent | grep Shared ent7 attainable Shared Ethernet Adapter # entstat -d ent7 | grep "manage Channel"
control Channel PVID: 4095 manage Channel Adapter: ent4
As you could see, the ocean is on ent7 and the virtual ethernet carrying the traffic is ent4path considerations
recently I even have worked on assorted methods where the paths had been tousled for various causes. It grew to be integral to get rid of the lacking or failed paths without destroying the enabled paths. a way to do this is the use of the lspath command and get it to list the entire paths for that disk.lspath -l hdisk15 -H -F "name:mum or dad:connection:repute" | grep lacking (or grep Failed)
which you can put this into a loop where it might produce the relevant output for you.
for instancelspath -l hdisk15 -H -F "identify:mum or dad:connection:fame" name:parent:connection:popularity hdisk15:fscsi4:500507680d088ef6,10000000000000:Enabled hdisk15:fscsi4:500507680d088ef7,10000000000000:Enabled hdisk15:fscsi5:500507680d048ef6,10000000000000:Enabled hdisk15:fscsi5:500507680d048ef7,10000000000000:Enabled
If the first direction on fcsci4 turned into missing you may then remove it the use of:rmpath -dl hdisk15 -p fscsi4 -w 500507680d088ef6,10000000000000
There are a couple of examples of how to script production of the output in an article via David Tansley.WWPNs
Gareth also protected a script to listing the WWNs for the LPAR—I modified it somewhat to add the hostname and adapter slot tips:# cat seewwpns.sh hostj=`hostname` lsdev -Ccadapter | grep fcs | awk 'print $1,$three' | while read fcs slot do wwpn=`lscfg -vl $fcs | grep -i community | cut -c 37-60` wwpn1=` lscfg -vl $fcs | grep -i Hardware | reduce -c 47-sixty four` echo $hostj $fcs $slot $wwpn1 $wwpn executed # ./seewwpns.sh vio2 fcs4 05-00 WZS0234-P1-C6-T1 10000090FA530975 vio2 fcs5 05-01 WZS0234-P1-C6-T2 10000090FA530976 vio2 fcs6 06-04 WZS0234-P1-C8-T1 10000090FA740155 vio2 fcs7 06-05 WZS0234-P1-C8-T2 10000090FA740156
here is a great option to get the WWPNs so as to supply them to the storage admins for zoning.
There’s also a -client flag on fcstat (as of VIO 184.108.40.206) so as to get you information on data for all of the WWNs and WWPNs that the VIO sees. You cqan run simply fcstat -client to get full records otherwise you can use the command to get the WWPNs and WWNs. that you can additionally use the viostat -adapter command to get records. To get the WWNs and WWPNs, as padmin on vio2 I ran: fcstat -customer | reduce -c 1-50 results had been:hostname dev wwpn vio2 fcs4 0x10000090FA530975 aix1nim fcs2 0xC0507607DBD8002C gpfs1 fcs2 0xC0507607DBD80034 vio2 fcs5 0x10000090FA530976 aix1nim fcs3 0xC0507607DBD8002E gpfs1 fcs3 0xC0507607DBD80036
From the HMC that you may additionally are attempting:lshwres -r io --rsubtype slotchildren -m Server-8286-41A-SN215D3AV -F phys_loc,description,mac_address,wwpn (that you may add a | grep Fibre)
I don’t use the grep on the end on Fibre as I also are looking to see what FCOe adapters I even havehscroot@HMC:~> lshwres -r io --rsubtype slotchildren -m Server-8286-41A-SN215D3AV -F phys_loc,description,mac_address,wwpn | grep PCI U78C9.001.WZS0234-P1-C6-T1,PCIe2 16Gb 2-Port Fibre Channel Adapter,null,10000090fa530975 U78C9.001.WZS0234-P1-C6-T2,PCIe2 16Gb 2-Port Fibre Channel Adapter,null,10000090fa530976 U78C9.001.WZS0234-P1-C8-T2,"PCIe2 four-port (2 10GbE+2 1GbE) FCoE+NIC SRIOV Adapter, FCoE PF",null,10000090fa740156 U78C9.001.WZS0234-P1-C8-T1,"PCIe2 4-port (2 10GbE+2 1GbE) FCoE+NIC SRIOV Adapter, NIC PF",0090fa740151,null U78C9.001.WZS0234-P1-C8-T1,"PCIe2 4-port (2 10GbE+2 1GbE) FCoE+NIC SRIOV Adapter, FCoE PF",null,10000090fa740155 U78C9.001.WZS0234-P1-C8-T4,"PCIe2 4-port (2 10GbE+2 1GbE) FCoE+NIC SRIOV Adapter, NIC PF",0090fa740154,null
As which you could see there are two marvelous methods to get the equal tips, depending on where you need to request it from and what structure you want it to be in.useful IBM tools
I even have outlined these before, however there are a gaggle of equipment that i take advantage of the entire time. They consist of nmon, nmon analyser, HMC Scanner, FLRT (fix stage advice device, FLRTVC (FLRT vulnerability checker) and fcstat -D.nmon
nmon has been part of the working device due to the fact AIX 6.1 and is used through admins in every single place the world to gather efficiency facts. i love to run it the usage of the following flags so that I don’t leave out anything else:nmon -toes -AOPV^dMLW -s 15 -c a hundred and twenty
The above takes a 30 minute snapshot (one hundred twenty x 15 2nd snaps) and includes asynchronous IO (A), the sea (O) paging (P), extent companies (V), fibre adapter records (^), disk carrier instances (d), reminiscence pages (M), colossal pages (L) and workload manager statistics (W) if you are working workload manager. I run nmon the entire time so my commonplace cron job runs for 24 hours the usage of “-s one hundred fifty -c 576”. reckoning on how granular you should get that you would be able to tweak these values.nmon analyser
nmon analyser goes hand in hand with nmon. It’s an Excel spreadsheet that methods nmon info and produces graphs of what is happening. It’s not a complete performance monitoring solution, however provides some effective advice for day after day efficiency work. I complement this with my very own information gathering scripts that gather extra in depth facts.HMC Scanner
The HMC Scanner is a great tool for documenting your system in a single region. The latest version is 0.eleven.35—you in fact download 0.11.24 after which replace the .jar file to get to 0.11.35. you could set up it on AIX and run it from there towards the HMC or you can run it from your computer, assuming you have the proper Java installed. I at all times run it from AIX the use of:./hmcScanner.ksh servername hscroot -p password -stats
This produces a bunch of data, however the one you desire is the one that ends .xls. here's the Excel spreadsheet with all the systems connected to the HMC documented.FLRT and FLRTVC
FLRT (repair degree suggestion device) has been around for a number of years now and it’s some thing i exploit every time i'm planning an upgrade or making an attempt to check how long i will stave off an improve for. probably the most fresh edition offers you with the unlock date for the versions you're running and their endo of carrier date (if introduced). It also gives those for the advised improve levels. it'll additionally deliver links to the readme data for the advised updates.
FLRTVC is a vulnerability checker. You down load the script and run it on the device to be reviewed. It uses wget or curl to try to down load a file known as apar.csv from IBM and it then tests favourite issues against your application ranges. the most typical issues it finds are again tiers of SSH, SSL and Java - by means of default these are at an insecure degree and new tiers should be installed. At a minimum, Openssh should be at 220.127.116.110 and openssl should be at 18.104.22.1680 to avoid protection complications. Java may still be on the August 2017 degree which for Java7 is 22.214.171.1240. I substitute these on all my techniques together with my VIO servers. FLRTVC identifies the efixes and ifixes that need to go on, provides hyperlinks to the readmes and also to the exact download. that you would be able to send the output to a .txt file, down load it and open it in Excel (it’s in csv format) to make it less complicated to view. I customarily run FLRTVC on my vital techniques as soon as a month.fcstat
if you're looking at fibre adapter statistics then you definitely will are looking to be conventional with the fcstat command, notably the fcstat -D. in case you run fcstat -D in opposition t a fibre port it's going to provide the WWN/WWPN as smartly as the firmware edition, the adapter speed that it's operating:FIBRE CHANNEL facts report: fcs4 equipment type: FC Adapter (adapter/pciex/df1000e21410f10) Serial number: 1A34200935 ZA: 10.2.252.1919 here is the microcode – lsmcode -A shows it as: fcs4!df1000e21410f103.00010000020025201919 worldwide Node name: 0x20000090FA530975 all over the world Port identify: 0x10000090FA530975 WWPN for zoning …….. Port velocity (supported): sixteen GBIT Can run up to 16Gbit Port pace (running): eight GBIT but is connected at 8Gbit Port FC id: 0x010300 Adapter FCID – advantageous to work out where you are connectedPort category: materialconsideration class: hyperlink Up Topology: point to element or material
additional down that you may assessment statistics in an effort to give signs of no matter if there's queuing at the adapter or protocol drivers.Create a clone of a boot disk alt_disk_copy –d hdisk2 bosboot –a –d hdisk2 bootlist –m usual hdisk2
The above copies the current rootvg disk to hdisk2 in order to become the altinst_rootvg volume group. that you can use this as a backup before making alterations to the existing device (standard reboot of the brand new quantity community to get well), or you can then work on the brand new extent group using alt_disk_install and alt_rootvg_op instructions. that you could additionally make minor alterations (similar to adding a bunch to the /and so on/hosts on the alternat disk) by means of waking up the extent group:alt_disk_install -W hdisk2 that you could now go and vi /alt_inst/and so forth/hosts
when you are carried out you put the extent neighborhood lower back to sleep:alt_disk_install -S hdisk2
every time you utilize alternate disk install or any of its derivatives be certain to point the bootlist to whichever disk you want to boot from subsequent. by default, many of the alternate disk installation instructions trade the bootlist to factor to the new quantity neighborhood and this may also now not be what you want to do.summary
I found the power techniques Technical institution convention to be very useful in terms of choosing up information to make my existence more convenient as a sysadmin. confidently you'll find these assistance beneficial as well. I enormously suggest attending these conferences—there are some exceptional classes, however many assistance get picked up right through the networking discussions where that you could evaluate notes with others. Many thanks to all those that presented and shared their concepts with myself and others.
Jaqui Lynch is an independent advisor, specializing in enterprise architecture, performance and delivery on energy techniques with AIX and Linux.
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