Adjusting IOPS for Round Robin from 1000 to 1.

We have an HP Blade Chassis that we recently moved from 4G San to 8G San. We have a particularly chatty & repetitive application. The application vendor has some delays with rewriting the code to be more efficient. We are on a much bigger install than what they are accustom to.
To alleviate some of their issues, our storage vendor recommended that we modify our round robin change rate from the default 1000 to 1. (EMC, we have the VMAX 40)
This isn't the only application on this cluster and it is in the process of growing.
VMware KB: Adjusting Round Robin IOPS limit from default 1000 to 1
While it worked great for this application, I want to know if there are any possible downsides to doing this?
I know that it is not recommended for Microsoft clustering - which we don't use.
But how about Oracle RAC?
Why would the default be at 1000 anyway?
Thanks - Nancy

Ernie, the photos are captured by Canon XTi so they are in CR2, saved to my internal HD and then "loaded" to Aperture as referenced files.
As for PS CS3, I am not sure whether I have it set up as a scratch disk or not (if you could let me know where to check it).
Yesterday, I did yet another round trip and found out that when I finish in PS and SAVE and CLOSE, then the file shows up properly in Aperture. What I was doing before was I SAVEd if but did not close. Then I would SAVE AS in PS to make sure I have some kind of a version of the file if the one in Aperture fails to work.
So it seems I cracked it but I would still like to hear what you have to say, or anyone for that matter. It seems to me that the SAVE-CLOSE is crucial.

Similar Messages

How to connect to four Mirage Servers via Round Robin from external over one Mirage Gateway?

Hello all,
we want use Mirage completely from external over the Mirage Gateway.
We have around 4000 Mirage Clients which will use the Gateway and 4 Mirage Servers.
The Gateway is running in the moment only for our external users and is working well.
The way in the moment (if I understand everything right) is that the Clients are connecting from external to the Mirage Gateway and from there to ONE mirage Server.
If it is like that and we configure all Mirage Clients to go over the GW then 4000 Clients are connected to ONE Server is that right?
If yes how can we configure it that all 4 Mirage Servers will be used?
Are 4000 Clients over one GW maybe too much or should that work out?
Thank you for your answers.
Timo

Hi Timo,
I modified my lab and now Mirage is running with two Gateways, two load balancers, two Servers and two storage systems.
The "MirageNetScaler" is one appliance but with two virtual server.
Your design with only one Gateway should also work.
Sorry for my bad paint skills
Regards
Felix

Round robin DNS for load balancing between multiple network adapters (Xserve)

I'm attempting to use 'round robin' DNS to load balance between the two ethernet adapters of an Xserve.
Both ethernet adapters are connected to the same LAN and have static IP addresses of 192.168.2.250 and 192.168.2.251.
The DNS zone for the server's local domain/host (macserver.private) has a machine record with both IP addresses (set up in the Lion Server UI).
Having read up on round robin DNS, I would have expected DNS requests for 'macserver.private' to be answered with the two IP addresses ordered at random, achiving my aim of requests being served at random via each ethernet adapter.
However this doesn't seem to be the case. Doing a 'nslookup' from any of the network clients results in the two IP addresses being listed in the same order everytime. And pinging 'macserver.private' only ever results in a response from the same address.
Does anyone know why this is the case? Does Lion Server use a non-standard DNS configuration? Are there any additional settings I need to configure in Lion's DNS server to make adopt a round robin approach to responding to requests?
Thanks in advance for any help!

Be careful what you wish for
Round Robin DNS is rarely the best option for 'load balancing'. At the very least it's subject to caching at various point on the network - even at the client side, once the client looks up the address it will cache that response - this means that subsequent lookups may be served from the client's cache and not refer back to the server. Therfore any given client will always see the same address until the cache expires.
I suspect this is what you're seeing.
You can minimize this by setting a lower TTL on the records. This should result in the response being cached for a shorter period, meaning the client will make more requests to the server, with a higher change of using the 'other' address.
However, you're also going to run into issues with the server having two interfaces/addresses in the same LAN. This isn't recommended.
As Jonathon mentioned, you may be better off just bonding the two interfaces. This will provide an automatic level of dynamic load balancing without the latency of DNS caches, as well as automatic failover should one link fail (as opposed to round robin DNS which will cause 50% of requests to fail until the client cache expires and a new lookup is performed (and, even then, there's still a chance the client will try to use the failed link).

Round Robin was not happening for my cluster with WebLogic Proxy Plugin

          Hi,
          I configured my cluster with software load balancer, HTTPClusterServlet. By default,
          it is load balancing with Round Robin Algorithm. That means one HTTP request
          goes to server1, and the other HTTP request goes to server2. However, it is not
          what I can see no matter for the requests in one HTTP session or not.
          Say I open two browser, and log into my application with two different users,
          one is "cyang", the other is "xpression". Then the HTTP request (for servlet/jsp)
          from two browsers always go to the same server1, server2 is not invoked at all.
          I did see one time, with only one session (one browser with "xPression" user log
          in), the most requests go to server1, suddenly I am brough into log in page, then
          I noticed that the request for "xPression" moved to server2 although server1 is
          still alive. Therefore, at most, I can say it is "Random", rather than "Round
          Robin".
          What is the real meaning for HTTP servlet/jsp load balancing algorithm? Does
          Round Robin mean request go to each server in turns? Does it have to be different
          session or it can be within one session?


It should be sticky. If not, then bug / config error.
          Peace,
          Cameron Purdy
          Tangosol, Inc.
          http://www.tangosol.com/coherence.jsp
          Tangosol Coherence: Clustered Replicated Cache for Weblogic
          "Carole Yang" <[email protected]> wrote in message
          news:[email protected]...
          >
          > Thanks. Yeh, with two kind of browsers, I do see the request goes to
          different
          > servers.
          >
          > That goes back to the original question. Does "Round Robin" here fall
          into the
          > scope of a HTTP session. However, that is not always true for my tests.
          Sometimes,
          > HTTP request just randomly goes to another server while in the same HTTP
          session.
          > It is not sticky to one particular server during one session.
          >
          >
          >
          > --Carole
          >
          >
          > "Cameron Purdy" <[email protected]> wrote:
          > >Has to be different sessions to go to different machines.
          > >
          > >Best way to test is to run one session in IE and the other in Mozilla
          > >or
          > >Netscape.
          > >
          > >Peace,
          > >
          > >Cameron Purdy
          > >Tangosol, Inc.
          > >http://www.tangosol.com/coherence.jsp
          > >Tangosol Coherence: Clustered Replicated Cache for Weblogic
          > >
          > >
          > >"Carole Yang" <[email protected]> wrote in message
          > >news:[email protected]...
          > >>
          > >> Hi,
          > >>
          > >> I configured my cluster with software load balancer,
          HTTPClusterServlet.
          > >By default,
          > >> it is load balancing with Round Robin Algorithm. That means one HTTP
          > >request
          > >> goes to server1, and the other HTTP request goes to server2. However,
          > >it
          > >is not
          > >> what I can see no matter for the requests in one HTTP session or not.
          > >>
          > >> Say I open two browser, and log into my application with two different
          > >users,
          > >> one is "cyang", the other is "xpression". Then the HTTP request (for
          > >servlet/jsp)
          > >> from two browsers always go to the same server1, server2 is not invoked
          > >at
          > >all.
          > >>
          > >> I did see one time, with only one session (one browser with "xPression"
          > >user log
          > >> in), the most requests go to server1, suddenly I am brough into log
          > >in
          > >page, then
          > >> I noticed that the request for "xPression" moved to server2 although
          > >server1 is
          > >> still alive. Therefore, at most, I can say it is "Random", rather
          > >than
          > >"Round
          > >> Robin".
          > >>
          > >> What is the real meaning for HTTP servlet/jsp load balancing algorithm?
          > >Does
          > >> Round Robin mean request go to each server in turns? Does it have
          > >to be
          > >different
          > >> session or it can be within one session?
          > >
          > >
          >

Profoma invoice for Export sales from EOU plant rounding problem

Hello,
While creating profoma invoice for Export sales from EOU plant according to standard Tax procedure TAXINJ excise duties appears as JMOD , JECS, JA1X. But due to legal implication we have to bifurcate them in following
BCD
CVD
ECS on CVD
SEcess on CVD
ECS on total duty
SECess on total duty
Additional CVD
Now because of rates get rounding of total does not match with bifurcated duties. The duties should match as per below
JMOD = BCD + CVD + Additional CVD
JECS = ECS on CVD + ECS on total duty
JA1X = SEcess on CVD + SECess on total duty
Regards,
Nimit

You can achieve this with standard functionality, but you will have to make some configuration change:
- Create the new movement type
- Create the new MM account assignment
- Create a new schedule line category
- Create a new item category
- Create the assignment of the new schedule line category to the / a (new) item category.
Maybe you have to create a new item category group to ensure that the proper item category in the sales order is being determined.
Around user exits in MM in account determination: I'm not aware of any (good) ones, but you might want to take a look at the Business Transaction Events (transction FIBF). These are also a kind of user exit and might provide the functionality you are looking for.
If you can't accomplish the requirement through an enhancement (user exit, BAPI, BADI, BTE) you might want to consider using an intermediate G/L account during the Post Goods Issue. And then during the release to accounting doing an accrual to the "correct" G/L account, since in the (standard) Revenue Account Determination you can use all kinds of criteria.
Regards,
Jan Pel

Does anybody know any software for the Mac that I can run round robin, single and double elimination tournaments?

Does anybody know any software for the Mac that I can run round robin, single and double elimination tournaments? I help run tournaments but using excel for pool play and the web for bracket play, but if wifi is not available I have no way of running brackets for prize play. Can some one help point me in the direction of software that I can use locally on my Mac Pro.
Thanks,
Chris
<E-mail Edited by Host>

Splendid City Team Sports Scheduler, and Sports Scheduling Software System

From round robin to best-fit

Hi all,
I am trying to develop a mechanism to know which machine can handle a user job (by providing his Requirements) for now I wrote this method but it is a Round robin, I am trying to modify it to a best-fit algorithm can anybody give me tips about how should I begin?
public static String canDo(Resources userReq,Hashtable hash){
                //getResourceInfo() is a method that store the machine name
               //and thier resources(cpu,memory,disk) in a hashtable
         Hashtable resourceInfo = connectData.getResourcesInfo();
         Enumeration en = resourceInfo.keys();
         String status ="";
         String machineName;
          Resources machineRec;
        while(en.hasMoreElements()) {
                 machineName = (String)en.nextElement();
                 status = "the following machine has been allocated to you: "+machineName;
                 //resourc
                 machineRec = (Resources)resourceInfo.get(machineName);
                 if(machineRec.getCpu().getCpuIdle()>=userReq.getCpu().getCpuIdle())
                 if(machineRec.getMemory().getFreeMemory()>=userReq.getMemory().getFreeMemory())
                 if(machineRec.getDisk().getFreeSpace()>=userReq.getDisk().getFreeSpace()){
                      break;
         return status;
    }

you mustn't have seen the replies here
http://saloon.javaranch.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic&f=1&t=016520

When exporting from .pdf to powerpoint, misinterprets image as table some of the time. Anyway to adjust setting for finer resolution?

When exporting from .pdf to powerpoint, misinterprets image as table some of the time. Anyway to adjust setting for finer resolution?

Hi Jim,
Could you please let me know what version of Acrobat and OS are you using.
Have you tried repairing Acrobat?
Hope to hear from you.
Regards,
Anubha

Exchange 2013 and DNS Round Robin downside?

Hi guys,
I have a question regarding Exchange Server 2013 (SP1) and the use of DNS round robin.
I have a customer that currently is running 2 CAS servers with NLB and we are currently investigating if it would be appropriate to move to a DNS RR solution so we can remove the CAS servers and install the CAS role on the Mailbox servers.
(yes I know that CAS with NLB and Mbx with DAG cannot be used on the same server)
What would be the downside of DNS RR?
Request 1 will go to first MBX server, Reqeust 2 to second MBX server, Request 3 to third MBX server and then start over again. If MBX server 1 goes offline, it will still be used within the DNS RR solution and clients will be redirected towards that server.
But how will clients react? Will Outlook 2010/2013 timeout since the server is not responding and do a autodiscover lookup again and then hopefully jump on the DNS that points towards another server?
Is this true for pop/imap or a receive connector for SMTP relay aswell?

Hi Fredrik,
Hope this helps out...
Round robin doens't check the load on the network interfaces.It just passes on to the next one; for example Server1, Server2
If server1 has a lot of traffic on his nic he still get more traffic onto his nic when round robin wants to.
NLB gives some checkes on the load on the interfaces. Therefore it will make sure that that all servers has about the same amount of traffic.
In Windows NLB we can able to create port rules for the virtual ip which is not applicable when you go DNS Round Robin
DNS round robin the clients will see different IP addresses Wherea NLB uses single IP Address
DNS round robin is not a good solution for redundancy. If one of the nodes goes down, you first have to go and remove its A record from the DNS server but then it may take some time before such a change is propergated. In the meantime you may have a number
of clients attempt to access the dead IP.
With load balancing you can remove a host from the set immediately (if it doesn't detect an unresponsive host automatically). The only affect of a downed server on the clients would be if some of the clients had session
data on that server.
Exchange Queries

Round Robin doesn't work in Bea Weblogic Cluster

hello!
          we are using a weblogic (V5.1 SP8) cluster in the following configuration:
          2 Weblogic App-Servers as Servlet Containers.
          4 Weblogic App-Servers as EJB Containers.
          if a client connects to the first servlet - server, round robin between the
          4 EJB-servers behind doesn't work. It seems that the servlet-server is
          pinned to one EJB-server all the time.
          If we kill the second servlet-server as from now on round robin works in the
          EJB-server cluster like we expected.
          As we changed this configuration and also use an IPlanet webserver (one
          instance) with the weblogic proxy-plugin which connects to the
          servlet-cluster (2 instances)... round robin is working properly in the
          EJB-server cluster when the client connects to the IPlanet-server....
          what is the problem, why doesn't round robin work in the first
          configuration? any suggestions?
          Torsten Jenkner


Okay, is it that the round-robining is not perfect (i.e., it doesn't send the
          first request to server1 and the second request to server2 and so on) or is it
          sending every request to one server?
          Torsten Jenkner wrote:
          > yes exactly Robert that's it!
          >
          > Torsten
          >
          > "Robert Patrick" <[email protected]> schrieb im Newsbeitrag
          > news:[email protected]...
          > > I don't understand this. Are you saying that with servlet node 1 or
          > servlet
          > > node 2 running by themselves that RR works fine but once you start both
          > > together, it does not?
          > >
          > > This sounds like a case for support...
          > > Robert
          > >
          > > Torsten Jenkner wrote:
          > >
          > > > > > it is always the same stub in our case. Also the round robin in the
          > EJB
          > > > > > cluster does with the same java classes but does not if the servlet
          > > > cluster
          > > > > > consits of two nodes. So it seems to be a configuration problem, but
          > > > which
          > > > > > one?
          > > > >
          > > > > Hmm.... I don't quite understand this last statement about the EJB
          > and
          > > > servlet
          > > > > cluster, could you explain a little more?
          > > > >
          > > > > Thanks,
          > > > > Robert
          > > > >
          > > >
          > > > if you use 2 servlet cluster nodes round robin between the
          > servlet-cluster
          > > > and the ejb-cluster doesn't work. if i kill the second servlet-node it
          > works
          > > > fine. so my thought was it has to be a configuration problem, because RR
          > > > does with one servlet-node. ok?
          > > >
          > > > Torsten Jenkner
          > >

Exchange 2013 CAS - Round Robin DNS not working properly

I have exchange 2013 server (2MB, 2CAS) server. I created two dns records for mail.test.com, autodiscover.test.com pointing to my two CAS servers.
But the problem is if i switched of one cas server, client outlook not connecting automatically to other CAS server. By restarting the outlook also its not working. By restarting the system or running the command ipconfig /flushdns in command prompt, it
working.
is there any configuration iam missing, please advice how to achieve decent load balancing in Exchange 2013 CAS without going for third party Loadbalancer...

I have exchange 2013 server (2MB, 2CAS) server. I created two dns records for mail.test.com, autodiscover.test.com pointing to my two CAS servers.
But the problem is if i switched of one cas server, client outlook not connecting automatically to other CAS server. By restarting the outlook also its not working. By restarting the system or running the command ipconfig /flushdns in command prompt, it
working.
is there any configuration iam missing, please advice how to achieve decent load balancing in Exchange 2013 CAS without going for third party Loadbalancer...
If a CAS role server is down or unable to service clients, you have to remove it from DNS round-robin consideration manually. There is no health check with DNS round-robin unlike a true load balancer.
Also, I would set the TTL to a low value for the CAS servers in the round-robin.
Twitter!: Please Note: My Posts are provided “AS IS” without warranty of any kind, either expressed or implied.

WebLogic Apache Round Robin Failure

I am using a cluster configuration of WebLogic.
I've been testing the fail-over of weblogic in two cases:
- The two members of the cluster are running and answering to requests
in
round-robin without any problem. One client is doing a request.
Monitoring
the weblogic.log files, we stop (kill) one application server (the one
the
client was talking to).
=> Then the next requests are sent to the other member. OK
- The two members of the cluster are running and answering to requests
in
round-robin without any problem. One client is doing a request.
Monitoring
the weblogic.log files, we stop (disconnect from the network) one
application server (the one the client was talking to).
=> The next request goes to the previous app server (white page for a
really long time / time out).
If another client is doing a request (different IP address) it will go
to the app server still
connected -> OK.
Next client will however go to the app server disconnected (idem,
white
page...).
And so on, OK, time out, OK, time out.
Therefore it seems that our bridge is still doing round-robin on the two
app
server, and that it didn't notice that one was not on the network
anymore if
the server physically disappears (instead of the first case were the
server
is still there but nothing listening on port 7001 where it works). We
didn't find any particular setting that allow to control the behaviour
of
the bridge (e.g. timeout parameters...) and I will be glad to learn more
on
the possible tuning of it.
Moreover, do you have any idea about how the application server is
talking to the web server. I have heard that the web server was using
cookies sent by the application server to check its availabilities.
Therefore, how these cookies are refreshed?
Thank you for your help.
Erwan,

I am using a cluster configuration of WebLogic.
I've been testing the fail-over of weblogic in two cases:
- The two members of the cluster are running and answering to requests
in
round-robin without any problem. One client is doing a request.
Monitoring
the weblogic.log files, we stop (kill) one application server (the one
the
client was talking to).
=> Then the next requests are sent to the other member. OK
- The two members of the cluster are running and answering to requests
in
round-robin without any problem. One client is doing a request.
Monitoring
the weblogic.log files, we stop (disconnect from the network) one
application server (the one the client was talking to).
=> The next request goes to the previous app server (white page for a
really long time / time out).
If another client is doing a request (different IP address) it will go
to the app server still
connected -> OK.
Next client will however go to the app server disconnected (idem,
white
page...).
And so on, OK, time out, OK, time out.
Therefore it seems that our bridge is still doing round-robin on the two
app
server, and that it didn't notice that one was not on the network
anymore if
the server physically disappears (instead of the first case were the
server
is still there but nothing listening on port 7001 where it works). We
didn't find any particular setting that allow to control the behaviour
of
the bridge (e.g. timeout parameters...) and I will be glad to learn more
on
the possible tuning of it.
Moreover, do you have any idea about how the application server is
talking to the web server. I have heard that the web server was using
cookies sent by the application server to check its availabilities.
Therefore, how these cookies are refreshed?
Thank you for your help.
Erwan,

RD Web Access / RD Connection Broker - NLB/Round Robin or both?

Hi
Can someone point me to documentation that can assist with Infrastructure scaling and HA config of the RD Web Access/RD CB roles?
We have a successful PoC consisting of RD Web and RD CB on a single server (no GW required as we're using UAG) and several hosts. Now looking to port to production, thinking of scalability and HA. Looking to serve 300-750 users.
Thinking so far:
RD Web Access role across 2 servers using NLB
RD Connection Broker across 2 servers - (maybe same as Web Access machines?) But CB appears to operate using DNS Round robin. (https://msfreaks.wordpress.com/2013/12/23/windows-2012-r2-remote-desktop-services-part-2/)?
Can CB use NLB?
Which is preferred for the CB role, NLB or DNS round robin?
Cheers
Lea

Thanks Amy, they're really useful links. Why is it so hard to find these....or even an implementation/scaling guide for 2012?
TP - you are my hero, thanks for answering so many of my posts :-)
I was hoping RD Connection Brokers supported NLB as I've also read this is a far superior technology (see below). Here's my architecture thinking:
1. Install the CB role on two individual servers
2. Add NLB to the CBs
3. Follow
here , here and thanks Amy
here for SQL and HA mode (we run Full SQL on an independent server)
Question(s):
a. If SQL is not using AlwaysOn and therefore an SPF, what are the consequences of SQL outage? Does RDS fail completely?
b. If SQL is an SPF, is it worth enabling HA for CB presumably to gain load balancing? This
is a fascinating graph that would suggest little need based on latency for our farm of 20 or so hosts! All servers are on VMware 5.5 therefore inherent redundancy.
We may still choose HA but possibly for MS patching reasons such the farm (minus SQL server) can be patched without downtime...
I found this NLB/RRDNS description useful also
Network Load Balancing is superior to other software solutions such as round robin DNS (RRDNS), which distributes
workload among multiple servers but does not provide a mechanism for server availability. If a server within the host fails, RRDNS, unlike Network Load Balancing, will continue to send it work until a network administrator detects the failure and removes the
server from the DNS address list. This results in service disruption for clients. Network Load Balancing also has advantages over other load balancing solutions—both hardware- and software-based—that introduce single points of failure or performance bottlenecks
by using a centralized dispatcher. Because Network Load Balancing has no proprietary hardware requirements, any industry-standard compatible computer can be used. This provides significant cost savings when compared to proprietary hardware load balancing solutions.
Thanks again
Lea

NLS Redundancy using DNS Round Robin

Hello, I have searched the internet and this forum for my question but I couldn't find the answer anywhere.
Would it be an option to use DNS Round Robin as a 'fail over' mechanism for the DA NLS Server?
To explain our situation a little: We have a few branch offices and it happens sometimes that the site-to-site VPN tunnel between the branch office and the main office breaks (e.g. internet outage in the main office). In those situations it would be best to
have a NLS server in another office to prevent users from losing conenctivity to the network because of the first NLS server being unreachable (we have a full-mesh network between the offices).
But how does the DA mechanism respond to a DNS result with multiple IP addresses when querying for the NLS server? Most browsers will go to the 2nd IP address in case the 1st IP address is unreachable in such a situation. Will DirectAccess also do this?
I hope I explained our situation and question OK.

Jason,
I may have found something else. Apparently netmask ordering uses a default subnet mask of /24 (255.255.255.0) This is why the subnet must match. Apparently you can change the netmask used by netmask ordering:
Description of the netmask ordering feature and the round robin feature in Windows Server 2003 DNS
http://support2.microsoft.com/kb/842197
Not every customer may use this solution, but it might provide an solution for some customers. It all depends on their address scheme. Allow me to explain...
Imagine you have one datacenter and three branch offices. Each branch office owns a /16 subnet:
- Datacenter (10.100.0.0/16)
- Branch Office 1 (10.110.0.0/16)
- Branch Office 2 (10.120.0.0/16)
- Branch Office 3 (10.130.0.0/16)
Of course the whole /16 sunnet is not used on a site, intead multiple VLAN's with a /24 subnet are used at each site. A VLAN for servers and clients.
Now imagine you have an NLS in each server VLAN at each site. You configure RR for those NLS. If you query from a server next to an NLS, that NLS will be on top of the DNS query result. if you query from a client in another VLAN, the client will get
random DNS results because the client has another network ID. This is because the default netmask used by netmask ordering is 255.255.255.0 (/24).
If you change the netmask used by netmask ordering to 255.255.0.0 (/16) that will give you the nearest NLS on top.
But not every customer uses a /16 subnet for each site. So, that's why it won't be usable for everybody.
Ok, it is not an Enterprise solution and does not get the nobel prize, but what do you think?
Boudewijn Plomp | BPMi Infrastructure & Security
This posting is provided "AS IS" with no warranties, and confers no rights. Please remember, if you see a post that helped you please click "Vote as Helpful", and if it answered your question, please click "Mark as Answer".
Ah, ok...sorry I assumed you knew that! Normally NMO needs to be 'tuned' to match the branch office subnets to get the expected/best results. That KB is pretty invaluable to setup it up properly. Like you say it does depend on customer having logical/consistent
subnet boundaries definitions for it to work effectively though. I never said NMO was perfect :)
Jason Jones | Security Consultant | Microsoft Consultant Services (MCS)

Rounded corners from image mask disappear with Drop Zone

Hi All,
I'm really stumped here. I'm on Motion4 and per directions from other posts I have used the following method to attempt a mask shape. The desired outcome is a photo that has a nice square shape with rounded corners.
1. Using a photo on the canvas.
2. In the layers menu, I click on the image and select, Add Image Mask
3. In the inspector I go to Image mask and drop in Frame17 from the contents folder.
The problem...every time the rounded corners from the shape seem to disappear. Can anyone tell me what I did wrong? Or suggest another method.
Additional info from Image Mask Tab: Source Channel is set to Alpha, Mask Blend Mode is set to Add, automatically-I did not set these.

When you say that the rounded corners seem to disappear, what do you mean exactly? Are they there at first, but then disappear after you start playing the sequence? Or do the rounded corners not happen at all?
If the corners start, but disappear after playing the project, then it probably means that the Frame 17 image from the content folder is not as long as the image mask. As soon as the Frame ends, it will stop providing the source for the image mask. Fix this by making sure that Frame 17 is at least as long as your image mask.
Alt way, and easier unless you're working in a 3D project, is to simply draw a rectangle mask around your photo and in the Mask tab of the inspector, adjust the roundness parameter until the corners are sufficiently rounded to your liking.
andy

Adjusting IOPS for Round Robin from 1000 to 1.

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