>>> On 4/15/2011 at 08:21 PM, Kyle Stewart <[email protected]> >>> wrote: > We are implementing another RHEL 5.3 under z/VM 6.1. The folks we are doing > this for would like 1-2TB of data. Can RHEL 5.3 use mod 54s?
Yes. Linux doesn't care about model numbers. > What are the > down sides? Without the use of PAV, performance. z/VM can only start one I/O to a subchannel at a time. The more data you have on one subchannel, the more you might wait to get at it. > Would I be better off with mod 27s and if so, why? Thanks in > advance. I would say that for that amount of data, you would be better off using SCSI over FCP. Trying to build up very large file systems with DASD (and LVM) is a pain to manage. Mark Post ---------------------------------------------------------------------- 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 more information on Linux on System z, visit http://wiki.linuxvm.org/
