Hello all: Well, we finally outgrew our 30TB PVFS2 volume, spread accross 3 dedicated I/O servers (and metadata servers). So, we bought 3 JOBD eSAS enclosures to expand the storage from our existing RAID cards (they have two ports on the back).
So now, I'm looking at exactly how to best expand our storage to take advantage of this new space. Our enclosures were ordered with only 4 disks each (with 12 slots, 8 for future expansion), and the plan was to run RAID6 from the controller on it. Question is: 1) should I try and expand the existing RAID6 volume (over 15 740GB disks presently), or just add a second volume? 2) If I add a second volume, how best do I tell pvfs2 to use this? Or should I try and LVM it with the old volume? (Can I even do that?) 3) Do I need to mess with the MetaHnadle ranges? (The amount of space will be the same on all 3 servers) 4) is there any manual rebalancing I need to do? Thanks! --Jim _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
