Date: Fri, 30 Mar 2001 10:24:06 +0930 From: Greg Lehey <grog@lemis.com> To: Tony Landells <ahl@austclear.com.au> Cc: Neil Darlow <neil@darlow.co.uk>, FreeBSD Questions <freebsd-questions@FreeBSD.ORG> Subject: Re: Can anyone help a newbie with vinum? Message-ID: <20010330102406.A61395@wantadilla.lemis.com> In-Reply-To: <200103292321.JAA27472@tungsten.austclear.com.au>; from ahl@austclear.com.au on Fri, Mar 30, 2001 at 09:21:16AM %2B1000 References: <neil@darlow.co.uk> <200103292321.JAA27472@tungsten.austclear.com.au>
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On Friday, 30 March 2001 at 9:21:16 +1000, Tony Landells wrote: > Search the list archives, Greg Lehey <grog@lemis.com> and I went > through this in late January, and then it was done again in about > mid-February. > > Refer to those discussions for a complete guide, but here's the > short answers to your questions: > > > neil@darlow.co.uk said: >> 1) What is the vinum filesystem type number (for partitioning)? > > "vinum". But you need to do this with disklabel post-install because > the install process doesn't do vinum. > >> 2) Do I create a single vinum partition to hold all the mirrored >> components, or do I create separate ones for each? > > Well, the option is yours, but the recommendation is to create a single > vinum partition and then divide it within vinum. > > Apart from saving you a reasonable amount of disk space (because you > have 265 blocks of vinum management data per vinum partition), the > discussions earlier this year assume single vinum partitions per > disk. A bigger issue is performance: every configuration update (change of state) flushes the information to each drive. Have multiple drives per spindle and you slow things down. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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