On Dec 15, 2007 10:54 PM, John H. Robinson, IV <[EMAIL PROTECTED]> wrote: > Stewart Stremler wrote: > > > > The promise of hardware RAID (for me) was transparency -- but this > > was never delivered, so far as I know. You had to have a RAID-aware > > OS to use hardware RAID, instead of having a device that could > > transparently give you RAID benefits on "legacy" and small systems. > > Managed raid array. I've used them, and all that is exposed to the > system is a block level device. The specific one I used was a Fiber > Channel device, but it had a SCSI equivalent. > > You had to telnet into the array to configure it. > > IIRC, it was a Sun T300. I know that it was a beta name, and got changed > to T3 or something. > > The RAID cards that I am using now don't require any host OS driver. You > configure it by hitting F3 during the boot process, and managing that > way. However, there is no way to know if a particular disk is suffering > degradation unless your host system has the proper driver. > > I forget the exact model number, but these are 3Ware SATA RAID cards. > > -john
Back to the main issue. Why use hardware RAID at all if you decide to go with ZFS? Why not JBOD? Cheaper and more reliable (No RAID controller as a single point of failure for hardware RAID.) BobLQ -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
