On Fri, 17 Jan 2003, Orlando Andico wrote: > > I have an external Promise RM8000 array here. This has 8 bays for IDE hard > drives. It has an Ultra-SCSI connector so one can connect it to just about > anything. The whole array looks like a single drive. > > Here's my problem: I have an 8x 160GB RAID array (6x160GB = 960GB, one > disk for parity and another for hot-spare). Since the array emulates a > single SCSI device, the host OS sees it as a single 960GB (!) hard disk. > > Here's the problem: when labeling the "disk" you have to assign a certain > C/H/S. With a drive that large, the Promise would do something like > > C = 125320 > H = 255 > S = 63 > > (that's 125320 cylinders, 255 heads, 63 sectors/track, 512 bytes/sector) > > I'm not sure if Linux can handle that many cylinders!! definitely Solaris > 8 doesn't like >27 heads or >255 sectors/track. > > Bottom line: I can't squeeze the full capacity out of the array because > the OS don't support it! > > help! :P >
It's SCSI so i don't think that there's going to be any problem. Doesn't the scsi driver not even care about the CHS? CHS matters only if it is going to be a boot drive and the bios has to boot off the big drive. That's where the bios CHS limitations come in. _ Philippine Linux Users Group. Web site and archives at http://plug.linux.org.ph To leave: send "unsubscribe" in the body to [EMAIL PROTECTED] Fully Searchable Archives With Friendly Web Interface at http://marc.free.net.ph To subscribe to the Linux Newbies' List: send "subscribe" in the body to [EMAIL PROTECTED]
