on 10/15/2007 12:42 PM Dan Carl spake the following: > On Monday 15 October 2007, John R Pierce wrote: >> Peter Kjellstrom wrote: >>> On Monday 15 October 2007, Dan Carl wrote: >>> ... >>>> But with errors >>>> In dmesg have this: >>>> sda: Mode Sense: bf 00 00 08 >>>> SCSI device sda: drive cache: write back >>>> sda: unknown partition table >>>> sd 0:0:0:0: Attached scsi disk sda > ... >>> Try "mount -oro /dev/sda /mnt/tmp" (or whatever) or just see if there's > a >>> superblock there with "tune2fs -l /dev/sda". >> he has a hardware raid set of drives originally from a HP/Compaq >> SmartArray controller, now connected to a simple non-raid scsi >> controller. sorry, thats not gonna play no way no how. > >> Since he only mentioned one device on his centos, there are centainly >> plausible ways this could work. The original cciss array could have been a >> single drive, could have been a raid1, could have been a misunderstood > hwraid >> just tunneled through the host adapter as a single driver, etc. > . > The SmartArray doesn't recognize the external array. > So thats why I connected it to a SCSI non-raid controller which does. > lvndiskscan on my Centos server even can tell the size of it. > /dev/sda [ 2.00 TB] > The external array has it's own built in raid controller. > The Bios the SmartArray said it was a raid 0 2048GB failed. > I not sure why the SmartArray sees it as that because the external array is > configured as a raid 5 with spares. > Im not familar with the SmartArray and don't have another to try. > > Is there no way to access the data other than via the SmartArray? > The smartarray sees it as a raid0 with one drive because that is how its bios works. If you attached a single scsi drive to it, you could set it as a single drive and it would show up as a raid0 stripe with one drive. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!!