gmirror bugs, how many?
Pawel Jakub Dawidek
pjd at FreeBSD.org
Thu Nov 25 14:45:50 PST 2004
On Wed, Nov 24, 2004 at 07:30:08PM -0200, Jo?o Carlos Mendes Luís wrote:
+> First, I partioned (fdisk) for a full FreeBSD system, with
+> sysinstall, which got me this:
+> Then I tried to compose a single disk gmirror with the whole ad1 disk:
First mistake - wrong order. Create a mirror, than partition a mirror
+> Now, lets reboot. I could not unload geom_mirror, since it was
+> preloaded during boot, is this expected? The device could not be
+> unloaded, but the volume disapeared (gmirror list, ls /dev/mirror).
If there is no mirror configured, you should be able to unload it.
+> Ok, now let's try something diferent. Let's suppose that I only
+> want one slice mirrored. Maybe the other slices could be standalone, or
+> striped, this is not important now. Let's just say I do want to mirror
+> ad1s1, instead of the whole ad1.
+> But the consumer name is still ad1, and not ad1s1. Hey, let's check:
Read manual page. Gmirror uses the last provider's sector for metadata.
If two or more providers share the same last sector (as in your case),
use '-h' option.
+> Is there any gmirror hacker around to fix these?
There is nothing to fix.
Pawel Jakub Dawidek http://www.FreeBSD.org
pjd at FreeBSD.org http://garage.freebsd.pl
FreeBSD committer Am I Evil? Yes, I Am!
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