Messages in this thread | | | Date | Wed, 10 Apr 2002 15:09:39 -0700 | From | Mike Fedyk <> | Subject | Re: RAID superblock confusion |
| |
On Wed, Apr 10, 2002 at 03:39:09PM -0600, Richard Gooch wrote: > Mike Fedyk writes: > > On Wed, Apr 10, 2002 at 02:37:48PM -0600, Richard Gooch wrote: > > > > > > The device is set up (i.e. SCSI host driver is loaded) long before I > > > do raidstart /dev/md/0 > > > > But kernel auto-detection doesn't depend on the raidstart command. If > > things are setup correctly, you can remove that from your init scripts. > > I'm not (explicitely) using auto-detection. When I insmod the raid0 > module, there are no messages about finding devices. All I get is: > md: raid0 personality registered as nr 2 > > Only when I run raidstart do I get kernel messages about the devices. > > In any case, I should be able to move my devices around (especially > if /etc/raidtab is still correct), whether or not autostart is > running. The behaviour I'm observing is a bug (I assume it's not a > mis-feature, since the raidstart man page tells me that moving devices > around should be safe).
Ehh, I ran into this a while ago. When you compile raid as modules it doesn't use the raid superblocks for anything except for verification. I took a quick glance at the source and the auto-detect code is ifdefed out if you compiled as a module.
Ever since I have had raid compiled into my kernels.
Mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |