Date: Fri, 15 Jun 2007 17:18:02 +0200 From: Ulf Lilleengen <lulf@FreeBSD.org> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: Perforce Change Reviews <perforce@FreeBSD.org> Subject: Re: PERFORCE change 121535 for review Message-ID: <20070615151802.GA19594@twoflower.idi.ntnu.no> In-Reply-To: <20070615124940.GB37295@garage.freebsd.pl> References: <200706122057.l5CKvKlc084001@repoman.freebsd.org> <20070615124940.GB37295@garage.freebsd.pl>
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On Fri, Jun 15, 2007 at 02:49:40PM +0200, Pawel Jakub Dawidek wrote: > On Tue, Jun 12, 2007 at 08:57:20PM +0000, Ulf Lilleengen wrote: > > http://perforce.freebsd.org/chv.cgi?CH=121535 > > > > Change 121535 by lulf@lulf_carrot on 2007/06/12 20:57:13 > > > > - Allow subdisks to be added to raid5 plexes again. > > - Add detach to userland gvinum tool > > - Add gv_detach general request handler for detaching > > - Add gv_detach_sd and gv_detach_plex to detach a subdisk and a plex. > > - Make gv_sd_to_plex use the standard plex-size calculation. > > - Add a sddetached-variable to gv_plex do be able to detect wether a > > plex misses a subdisk or not. This variable is increased when a > > subdisk is detached, and increased when a subdisk is attached. > > - Remove weird offset-check with a correct one. > > - Hook it up in the event system. > > - Looks like handling a crashed drive, and replacing it is working so > > far! > > What do you use to test this? If you're not using it now, you should try > gnop(8). You can simulate disk removal and I/O errors. It proved to be > very handy for me in the past. > I do a dd if=/dev/zero of=/dev/<gvinumdrive-device> which makes gvinum "loose" the drive. But thanks for the tip. It can perhaps give me ability to test more than just removal. -- Ulf Lilleengen
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