Date: Tue, 28 Jul 2009 21:34:22 +0200 From: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> To: Dimitry Andric <dimitry@andric.com> Cc: freebsd-current@freebsd.org, Ivan Voras <ivoras@freebsd.org> Subject: Re: gmirror provider name limit [Was: Re: geom_label: gpt/labelname for gmirror provider?] Message-ID: <4A6F52BE.9000901@omnilan.de> In-Reply-To: <4A5F0F4F.5060505@andric.com> References: <4A5CB2D1.5070106@omnilan.de> <h3iegi$kpu$1@ger.gmane.org> <4A5CC981.8010000@omnilan.de> <4A5EDA14.8000703@omnilan.de> <4A5F0F4F.5060505@andric.com>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigCC68A5A0A50769184E5B92D3 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Dimitry Andric schrieb am 16.07.2009 13:30 (localtime): > On 2009-07-16 09:43, Harald Schmalzbauer wrote: >> I found that the name of the provider for gmirror mustn't exceed 15=20 >> characters. `gmirror` doesn't complain if you specify a provider name = >> longer that 15 characters, but the mirror won't be detected. >> So for example it's impossible to use gptid as provider. >> At least this should be documented in the man page(es, I guess this=20 >> restriction applies to graid3 etc. also) >=20 > As far as I can see, this limit applies to gconcat, gjournal, gmirror, > graid3, gshsec and gstripe: >=20 > sys/geom/concat/g_concat.h:96: char md_provider[16]; /* Hardcoded prov= ider. */ > sys/geom/journal/g_journal.h:292: char md_provider[16]; /* Hardcoded p= rovider. */ > sys/geom/mirror/g_mirror.h:250: char md_provider[16]; /* Hardcoded pro= vider. */ > sys/geom/raid3/g_raid3.h:281: char md_provider[16]; /* Hardcoded provi= der. */ > sys/geom/shsec/g_shsec.h:88: char md_provider[16]; /* Hardcoded provid= er. */ > sys/geom/stripe/g_stripe.h:91: char md_provider[16]; /* Hardcoded prov= ider. */ Are there any problems to expect when extending the array size? To make use og gptid it had to be 43. Anyone willing to commit a patch? Thanks, -Harry --------------enigCC68A5A0A50769184E5B92D3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iEYEARECAAYFAkpvUr8ACgkQLDqVQ9VXb8gNagCeJKj52jxfBlg0VMJva4yf1Chw 4EwAn3Wg/WzVO2KVvLQSi1HpunLMotnH =Q0mD -----END PGP SIGNATURE----- --------------enigCC68A5A0A50769184E5B92D3--
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