Date: Sat, 03 Feb 2007 13:35:01 +0100 From: Ivan Voras <ivoras@fer.hr> To: Pieter de Goeje <pieter@degoeje.nl> Cc: freebsd-current@freebsd.org, Pawel Jakub Dawidek <pjd@freebsd.org>, freebsd-geom@freebsd.org Subject: Re: First steps towards importing gvirstor into -current Message-ID: <45C48175.5060704@fer.hr> In-Reply-To: <200702031238.52771.pieter@degoeje.nl> References: <epspv7$a9e$1@sea.gmane.org> <45C336D7.2060109@fer.hr> <20070202133055.GB21290@garage.freebsd.pl> <200702031238.52771.pieter@degoeje.nl>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8C7E44CD954588796B742E31 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Pieter de Goeje wrote: > GEOM_VIRSTOR[1]: All physical space allocated for test > GEOM_VIRSTOR[5]: Failed to allocate physical chunk for virstor/test > g_vfs_done():virstor/test[WRITE(offset=3D103153664, length=3D131072)]er= ror =3D 28 > It spitted out these messages in a tight loop (100% sys load). I was un= able to=20 Yes, it turns out the file system gets confused if the device reports a certain size and then returns ENOSPC (error 28) when it shouldn't. Unfortunately, yanking the device from under the file system would panic the kernel. Returning EIO could either panic it or "just" end up with a corrupted file system. Any ideas from the more VFS-savvy? The "tight loop" seems to be VFS retrying, inserting the requests to GEOM layer over and over... > Also, no warning was issued when it aproached 0% free physical space. > I would expect the system to simply abort the write operation (possibly= =20 > needing a background fsck after adding another component to make more s= pace). It should - are you sure the message didn't get lost/overflown in the log= ? --------------enig8C7E44CD954588796B742E31 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFFxIF1ldnAQVacBcgRAkBWAJ4ya8upiFMd5Np+y5l6Gk6YSp9HkQCeI0qT 4JO8juuu/dfD5WTjEEJsGNg= =7B2D -----END PGP SIGNATURE----- --------------enig8C7E44CD954588796B742E31--
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