Date: Tue, 28 Jul 2009 22:59:56 +0200 From: =?ISO-8859-1?Q?Marius_N=FCnnerich?= <marius@nuenneri.ch> To: Harald Schmalzbauer <h.schmalzbauer@omnilan.de> Cc: Dimitry Andric <dimitry@andric.com>, 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: <b649e5e0907281359h9804499me9119c04281ec659@mail.gmail.com> In-Reply-To: <4A6F5A1F.2070906@omnilan.de> References: <4A5CB2D1.5070106@omnilan.de> <h3iegi$kpu$1@ger.gmane.org> <4A5CC981.8010000@omnilan.de> <4A5EDA14.8000703@omnilan.de> <4A5F0F4F.5060505@andric.com> <4A6F52BE.9000901@omnilan.de> <9bbcef730907281255u3f426923g886893585899d210@mail.gmail.com> <4A6F5A1F.2070906@omnilan.de>
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On Tue, Jul 28, 2009 at 22:05, Harald Schmalzbauer<h.schmalzbauer@omnilan.de> wrote: > Ivan Voras schrieb am 28.07.2009 21:55 (localtime): > ... >>>> >>>> sys/geom/stripe/g_stripe.h:91: char md_provider[16]; /* >>>> Hardcoded provider. */ >>> >>> Are there any problems to expect when extending the array size? >> >> If you mean the char array of the provider name then yes, it cannot be >> done without introducing a new metadata version (and then if it fits). > > Oic, thanks for the hint. I forogt about the metadata... *slap* > >>> To make use og gptid it had to be 43. >> >> I don't follow you on this - why gptid and why 43? > > The automatically generated gptid is 36 cahracters plus "gptid/" to use that > for a provider name. In my case I'd like to assign the following label: > fbsd8GUNE-root_RAID1prov.1of2 > It's 30 characters, so I thought using the gptid length was a feasible > limit... The current size of the gmirror metadata is 135 bytes so a providername of 64 would easily fit but I'm not sure it's worth the hassle. Maybe one could include it if/when there is a new version. Anyway till then it should be documented and there should be an error message from the utils which create the mirror (and the other setups).home | help
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