Red Hat Enterprise Linux (RHEL)

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(We are in contact with IS support for this problem but I would like to ask Community too, perhaps somebody experienced this problem in the past)

Hello Community,

we need your help with Cache 2017.2 freezing on Linux machine.

Since we moved our primary production Cache from Windows to Linux in the begging of this year, we have experienced system freezing twice. Yesterday without any good reason Cache stopped to respond with the log shown below.

Questions:

Last reply 5 May 2020
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Hi,

I want to know if there is a way to manually change Primary to secondary  and vice versa?

I need this becasue we backup the two VMs (primary and secondary) and my idea is to make a script to when the primary VM is going to backup with Veeam change to "backup" on the mirror.

 

Thanks!!!

Last reply 29 April 2020
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Simple problem:

  1. I leave a long-running command in terminal
  2. Switch to another task(s)
  3. Remember that I need to check on my command after a few hours

Is there any way to force terminal to the foreground after current command ends?

This is Windows with cterm/iristerm although Putty/Kitty solution would also be nice.

Last reply 23 April 2020
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Hello,

I am wondering the best way to disable a user account using this class in Cache (Security.Users).

https://cedocs.intersystems.com/latest/csp/documatic/%25CSP.Documatic.cls

 

Example User Account = jhipp

Currently is Enabled

 

I know that we can use the auto-generated EnabledGetStored method, for example:

%SYS> w ##class(Security.Users).EnabledGetStored("jhipp")
1

 

Last reply 6 February 2020
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Hello,

I am struggling to print out the actual property values of the Security.System class.

https://cedocs.intersystems.com/latest/csp/documatic/%25CSP.Documatic.cls

 

I was hoping to be able to print the Authentication Enabled properties of a system from the command line using the Get or GetProperties class method. Currently, however, I am only able to get a return 1 or Invalid Oref error.

 

Last reply 8 August 2019
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Hello,

Is it possible to write global output values to STDOUT, in a similar way to how csession can take routine intput, like below:

 

(In Cache Terminal)

%SYS>d ##class(%SYSTEM.License).ShowSummary()

 

License Server summary view of active key.

 

     Distributed license use:

Current License Units Used =        1

Maximum License Units Used =        1

License Units   Authorized =      200

 

     Local license use:

Current Connections =      1  Maximum Connections =      1

Last reply 31 July 2019
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There are often questions surrounding the ideal Apache HTTPD Web Server configuration for HealthShare.  The contents of this article will outline the initial recommended web server configuration for any HealthShare product. 

As a starting point, Apache HTTPD version 2.4.x (64-bit) is recommended.  Earlier versions such as 2.2.x are available, however version 2.2 is not recommended for performance and scalability of HealthShare.

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Hi.

We have created an Ensemble production that receives HL7 information via TCP Adapters, but the requirement from the vendor is that we submit an ACK message with the MSH segment mist have a date and time populated with seconds.

We are utilising the standard class for the Service Adapter (EnsLib.HL7.Service.TCPService).

HL7 Version 2.5 no modifications currently.

The messages received via the service is correctly received in ddMMyyyyhhmmss but our ACK back is only ddMMyyyyhhmm.

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Upgrade of custom application

Dear community,

we are a company located in central Germany working with Intersystems Caché since 2003 (Jesus, that's actually a long time in IT).

As we struggle to keep pace with outside development we still operate on Caché 2013.1 surprise

We are, of course, aware that we need to upgrade Caché and therefor plan an upgrade to 2017.2.

Last reply 12 October 2018
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Hi All,

Is anyone using Veritas NetBackup 8.1 to backup Caché database? DB is on Linux 7.4 on host running VMware ESXI 6. Size of DB is about 1.5TB. Any advice on integrating with freeze/thaw.

Happy pro provide more info if needed.

Thanks in advance,
Ashish

Last reply 21 September 2018
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This post provides useful links and an overview of best practice configuration for low latency storage IO by creating LVM Physical Extent (PE) stripes for database disks on InterSystems Data Platforms; InterSystems IRIS, Caché, and Ensemble.

Last reply 25 June 2019
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Too often users finding themselves in need of a software solution do not consider “open source” vs. “proprietary” alternative. Most of them either have their go-to favorite developer or just google for reviews and ready-made answers. However, this alternative must be the starting point of their search, as the decision has the most consequences.

It is not an overstatement to say that open source is the future of technology, albeit, it has its own unique challenges. Here is what users, especially corporate users should consider choosing the software for their business needs.

Last reply 11 May 2018
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Currently, we are running 2014.1 on two different servers (OpenVMS, RHEL). The plan is to transition from OpenVMS to RHEL, but our Write Daemon is in a Troubled state on both servers.

On the OpenVMS server, we have a WIJ file that's 26G and can grow to 40G (size of database cache). Since it hasn't grown to 40G, we don't believe the size of the WIJ file to be the issue.

What else should we be looking at regarding the performance of the Write Daemon?

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We will be transitioning from a server running HP OpenVMS to one running RHEL 7. The main question some of the team had was what would be the best method for moving the globals to the new system.

Also, I was wondering if any others have transitioned from OpenVMS to RHEL. If so, were there any kinks that we should be aware of prior to transition?

Last reply 12 October 2017
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I am designing the software architecture for an Ensemble/Healthshare production to be deployed on Amazon AWS EC2 servers (2 mirrored m4.large - 4 vCPUs / 16 GiB RAM running RedHat Linux  3.10.0-327.el7.x86_64 and Healthshare for RHEL 64-bit 2016.2.1). It's a rather CPU-intensive production involving massive XSLT 2.0 transformations (massive both in terms of size and volume). I was wondering if anyone has experience configuring Ensemble productions on EC2 servers. My question or concern has to do with the following statement in the Ensemble documentation:

Last reply 26 October 2017
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Caché Version String: Cache for UNIX (Red Hat Enterprise Linux for x86-64) 2016.2.1

 

We have a mirrored Ensemble system (110,  backup and 210, primary). At one time (14:00) there is a disruption in the production. The messages are not being processed. 

Last reply 29 August 2017
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I am looking for a way to deploy production changes (code and/or production configs) via script or some other systematic way other than the Ensemble/Deploy page in the Management Portal. My goal is to store these configurations in Subversion, then have a piece that can pull the XML from source control and deploy it to a given server. Is there some kind of script that I can run on a given server to perform this deployment? If so, I can tie it up with Subversion using another tool that I have access to.

Last reply 2 May 2017
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I have been asked to assist in the planning of the a new server for our database, which we will be changing operating systems from OpenVMS to Linux (RedHat distribution). However, its difficult to find material regarding what would be recommended, which is likely due to the database being proprietary.

In looking at the information provided below and hoping to decrease processing time, would anyone be able to recommend type of configuration we should have for the new Linux server? Please feel free to ask any clarifying questions.

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Have you ever thought what could be a reason why some development environment (database, language) would eventually become popular? What part of this popularity could be explain as language quality? What by new and idioms approaches introduced by early language adopters? What is due to healthy ecosystem collaboration? What is due to some marketing genius?

Last reply 17 January 2017
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