setting a disk read only

Hi, Is it possible to setting a *whole* disk read only? I mean the way linux does it with "hdparm -r 1 device". So adding an -o ro parameter to mount isn't enough, I want to be sure that the disk is unmodified. (I have to access an existing raid of 8 disks using vinum without any modified bit, be

Re: setting a disk read only

> > Is it possible to setting a *whole* disk read only? I mean the way linux > > does it with "hdparm -r 1 device". So adding an -o ro parameter to mount > > isn't enough, I want to be sure that the disk is unmodified. > > Hmmm... SCSI disks can be physically jumpered to be read-only. I > should