I've heard several people mention using EDEV with FCP. We tested FCP and EDEV was simple to set up and get working. Giving it to Linux seemed like it took a bit more work. We had an IBM consultant come in and told us to never use EDEV for Linux guests. Is anyone using EDEV FBA in production today for Linux guests? If so, just low-I/O server or is anyone using it for Oracle/DB2?
-----Original Message----- From: Linux on 390 Port [mailto:[email protected]] On Behalf Of Adam Thornton Sent: Wednesday, February 18, 2009 9:42 AM To: [email protected] Subject: Re: Size of Linux DASD under Z/VM? On Feb 18, 2009, at 9:34 AM, O'Brien, David W. (NIH/CIT) [C] wrote: > Hi, > > We're new to the Linux world. Currently we have 3390 Mod-3 (2.8G) and > Mod-9s (8.4 G) defined to our Linux guests under Z/VM. > > I'm starting to get complaints that these 'partitions' are too small > and do not compare favorably with the dasd sizes available on PC > desktops. (Apples and Oranges, in my opinion.) > > What I'd like to know from the group is - What are your DASD sizes? > Are the complaints about partition sizes valid? > > We have a segment of 1.8TB that could be re-configured. I've suggested > 50Gig Mod-54s but have been told that's too small. As with everything else, it depends. If they have applications that have large data storage requirements, then, yes, building LVMs from many small partitions can get annoying fast. In that case you may want to look at FCP-attached SCSI, either presented directly to the guest (which makes management a pain) or given to VM and then shared to the guests as EDEV FBA (which would be my inclination). On the other hand, if they just want that space for their pornography archives, then that's less urgent. And if they just want them because their PC has 2TB, then that's also less urgent. Adam ---------------------------------------------------------------------- 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 ---------------------------------------------------------------------- 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
