Jeff, A lot of the difference comes down to good old RAS. You may want to look up the old Raid Advisory Board definitions that defined the difference between fault tolerant and disaster tolerant.
Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of Jeffrey Deaver > Sent: Wednesday, 16 May 2007 10:46 PM > To: [email protected] > Subject: Enterprise Class? (Was Virtual tape limits) > > >This is an enterprise class rack-mount controller > > What the heck does "enterprise class" mean nowadays, anyway? > > As I'm looking at virtual tape solutions that involve SATA disk for a MF > solution, I'm being told by certain folks that its not "enterprise class". > Why? Everything in the box is redundant. Its running RAID 5 or 6. Its > got hot spares and does auto rebuilds - some will even do predictive > failures. Sounds pretty robust to me. > > Is it just because the drives -might- fail more often and have to be > replaced more often? Heck, I have a spindle in my 'enterprise class' MF > attached array fail every few months that has to be replaced. Whats the > difference? Is it because its smaller? Its still my most important data, > my 'enterprise' data. Is it because its cheaper? > > So what is the definitive definition of "enterprise class"? > > > Jeffrey Deaver, Engineer > Systems Engineering > [EMAIL PROTECTED] > 651-665-4231(v) > 651-610-7670(p) > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
