[Info-vax] A Samba alternative, could this be something for VMS?
IanD
iloveopenvms at gmail.com
Tue Sep 6 21:07:49 EDT 2016
On Wednesday, August 31, 2016 at 11:15:04 PM UTC+10, Kerry Main wrote:
>
> Bottom line - any new technology needs to adopt to meet business DR/DT/RTO/RPO SLA's - not the other way around.
>
>
> Regards,
>
> Kerry Main
> Kerry dot main at starkgaming dot com
+1
Business availability is #1 priority where I am, everything is skewed around that ideal
VMware has done well in terms of the business spend here because they perceive VMware as giving them total availability
Our OpenVMS systems were clustered across different geographical regions and that came with issues of it's own. Stretched vlan's are the focal hate point of networks. Latency on disk writes was somewhat annoying but the old SCSI HSZ disks were by far the bigger pain than going across a vlan. Being a Telco, they threw plenty of money into hefty links (this was spanning three DC's after all).
When the business decided geographical redundancy wasn't worth it anymore because the new DC was supposedly designed with a near 100% up-time guarantee, our world got a lot smaller as we consolidated to a single DC
Charon with flash drives replaced the HSZ based 8400 and I/O rates literally went through the roof. SAN is now the bottleneck (one system still remains on physical hardware)
Redundancy in the geographical form for our business has been replaced by pushing that responsibility onto the DC to manage. Supposedly the DC is designed to take a plane strike and other such mad things human being want to do, so the concept of clusters spanning long distances for us went away (whether right or wrong is not for me to say)
I think when we see those blazingly fast memory based systems, the business will embrace them endlessly and in the stampede for performance, all concerns about housing everything on a single bit of hardware will be thrown to the wind until something happens and they get bit firmly in the arse and then suddenly redundancy will come into sharp focus again
Human being have a psychological flaw in that they are overly optimistic (Can't remember the actual research article now)
<sarcasm>
Oh look, there's some new technology over there. Looks good, but what about...Stand out of the way or you'll get trampled by the mob...
</sarcasm>
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