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The individual owning this blog works for Oracle in Germany. The opinions expressed here are his own, are not necessarily reviewed in advance by anyone but the individual author, and neither Oracle nor any other party necessarily agrees with them.
The Inquirer, RedHat and BrandZ
Tuesday, December 20. 2005
I assume, you can see in every advantage a disadvantage, when you want and when you donīt think about it in a greater context:The Inquirer reports about BrandZ.
Okay, this statement is correct but: With Solaris Zones you have the unique capability to virtualize your linux installation. So you pay for Solaris Support (the is no spoon ... sorry .. no Solaris licences anymore ) and you have to pay for Red Hat Support in the case you want an enterprise linux only one time on a bigger system (and not one license for you mailserver, your webserver, your application server).
So at the end you save several licenses for Redhat. To be honest, iīm not absolutly sure, that there is no sentence in the legal fineprint that enforces a licence of every zone. But Iīm pretty sure there is no such sentence, as Zones works completly different as for example VMware, you run one kernel on your system. And to be exact, you donīt run a Linux kernel on your system. You disembowl it and use only the RedHat Operating Environment.
At the end Zones and BrandZ will reduce the amount of RedHat licenses in an additional way: "Heck ... i donīt need BrandZ for my webserver, mailserver and application. I use Solaris directly. Okay, i need Redhat for ApplicationA. Okay!!" Three licences saved ...
Okay, from the monetary point of view the Inquirer is correct: It would be not really sensible, to substitute a single server with RedHat with a single server with Solaris and RedHat. From the technical standpoint even this would be good choice: By constructing such an system you get DTrace for Linux and you will get ZFS for Linux. Both features would be worth the cost for the additional Solaris Support alone.
On the downside Solaris users will need to install the version of Linux that they want to use with BrandZ and get extra support licenses in order to get compatibility with products like Red Hat Enterprise Linux. In other words pay for two licences.
Okay, this statement is correct but: With Solaris Zones you have the unique capability to virtualize your linux installation. So you pay for Solaris Support (the is no spoon ... sorry .. no Solaris licences anymore ) and you have to pay for Red Hat Support in the case you want an enterprise linux only one time on a bigger system (and not one license for you mailserver, your webserver, your application server).
So at the end you save several licenses for Redhat. To be honest, iīm not absolutly sure, that there is no sentence in the legal fineprint that enforces a licence of every zone. But Iīm pretty sure there is no such sentence, as Zones works completly different as for example VMware, you run one kernel on your system. And to be exact, you donīt run a Linux kernel on your system. You disembowl it and use only the RedHat Operating Environment.
At the end Zones and BrandZ will reduce the amount of RedHat licenses in an additional way: "Heck ... i donīt need BrandZ for my webserver, mailserver and application. I use Solaris directly. Okay, i need Redhat for ApplicationA. Okay!!" Three licences saved ...
Okay, from the monetary point of view the Inquirer is correct: It would be not really sensible, to substitute a single server with RedHat with a single server with Solaris and RedHat. From the technical standpoint even this would be good choice: By constructing such an system you get DTrace for Linux and you will get ZFS for Linux. Both features would be worth the cost for the additional Solaris Support alone.
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Does RedHat even support running RHEL in a branded? After all, this is no complete RHEL with the kernel ripped out and replaced by an emulation.
And if they don't support BrandZ anyway, you can as well go with CentOS.
And if they don't support BrandZ anyway, you can as well go with CentOS.
Okay, here is my personal opinion to this topic and i will answer it on the base of already public information, not on my knowledge as an sun insider:
1. BrandZ is a technology preview at the moment. So support and similiar things are stuff for the future.
2. For Janus it was planed (as far i remember) as "when it runs unter red hat but not with janus, itīs a bug for sun"
3. I think, that Red Hat will support a branded zone with RHEL, out of the following reasons:
- Redhat sells supprt, not linux. So support for an branded zone would be an opportunity for additonal revenue will less costs, as they have only to support the operating environment, not the operating system itself.
- With an increase of supported application for Solaris x86 RedHat has two possibilities: Sell support or sell nothing when business start to migrate onto Solaris X86 to unify to the operating system businesses use on their big iron.
(DISCLAIMER: this is my personal opinion, not the opinion of Sun Microsystems)
At last, the question regarding redhat-support is not the primary question. The more interesting question is: Will ISV support their applications on redhat on solaris x86. My personal opinion is: They will tell you to use native Solaris X86.
So at least at start branded zones with Redhat are the weapon of choice to migrate applications to Solaris x86 without much hassle ....
1. BrandZ is a technology preview at the moment. So support and similiar things are stuff for the future.
2. For Janus it was planed (as far i remember) as "when it runs unter red hat but not with janus, itīs a bug for sun"
3. I think, that Red Hat will support a branded zone with RHEL, out of the following reasons:
- Redhat sells supprt, not linux. So support for an branded zone would be an opportunity for additonal revenue will less costs, as they have only to support the operating environment, not the operating system itself.
- With an increase of supported application for Solaris x86 RedHat has two possibilities: Sell support or sell nothing when business start to migrate onto Solaris X86 to unify to the operating system businesses use on their big iron.
(DISCLAIMER: this is my personal opinion, not the opinion of Sun Microsystems)
At last, the question regarding redhat-support is not the primary question. The more interesting question is: Will ISV support their applications on redhat on solaris x86. My personal opinion is: They will tell you to use native Solaris X86.
So at least at start branded zones with Redhat are the weapon of choice to migrate applications to Solaris x86 without much hassle ....
+1
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