Date: Mon, 21 Jan 2013 09:50:01 GMT From: Andriy Gapon <avg@FreeBSD.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/175323: Fail to use ZVOL as a gmirror component Message-ID: <201301210950.r0L9o1qt037659@freefall.freebsd.org>
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The following reply was made to PR kern/175323; it has been noted by GNATS.
From: Andriy Gapon <avg@FreeBSD.org>
To: bug-followup@FreeBSD.org, softkot@gmail.com
Cc: freebsd-geom@FreeBSD.org
Subject: Re: kern/175323: Fail to use ZVOL as a gmirror component
Date: Mon, 21 Jan 2013 11:47:05 +0200
This
> GEOM_MIRROR: Cannot add disk zvol/tank0/vol0 to mirror0 (error=45).
seems to be triggered by the following code in sys/geom/mirror/g_mirror.c:
error = g_getattr("GEOM::candelete", disk->d_consumer, &i);
if (error != 0)
goto fail;
plus the fact that ZFS zvol does the following:
case BIO_GETATTR:
case BIO_DELETE:
default:
g_io_deliver(bp, EOPNOTSUPP);
break;
Perhaps, the gmirror code should be more flexible with respect to EOPNOTSUPP
from g_getattr?
--
Andriy Gapon
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