Wondering if anyone has some rules-of-thumb for sizing a z/Linux virtual server for AIX-based workloads, specifically CPU & memory. All I am looking for are rough guidelines that can be used as a starting point to estimate resources for moving a workload from a mid-tier platform (AIX) to a mainframe virtual Linux server. For example, we have AIX Server based applications that use a 3-tier architecture that consists of:
1) Web Server - 2 CPU, 2 GB RAM 2) App Server - 4 CPU, 8 GB RAM 3) DB Server - 4 CPU's, 16 GB RAM, 100 GB Storage I realize that it ultimately depends on just how busy a server is in order to determine resource requirements with any degree of accuracy, and explained as much to those that asked me about this, and being short of any empirical data at this point, was hoping that others may have derived some basic guidelines based on their experience. We're looking at potentially moving hundreds of AIX servers onto mainframe-based Linux servers, so trying to get a handle on just what that will mean in terms of resources. I figure the disk-based requirements would be pretty much Gig-for-Gig, but not sure how to factor AIX CPU's to z10 IFL's and the scaling factors going from AIX RAM to central storage. I humbly ask for any help towards getting a better handle on this, which would be greatly appreciated. Thanks, Jim Moling ----------------------------------------- This E-mail and its attachments (if any) are intended solely for the use of the addressee(s) and may contain sensitive but unclassified information. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or use of the information contained herein (including any reliance thereon) is strictly prohibited. If you have received this E-mail in error, please notify the sender immediately and destroy the E-mail and any attachments. ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
