Date: Tue, 6 Aug 2002 13:13:26 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Drew Raines <drew-dated-1028646153.33b208@rain3s.net> Cc: freebsd-questions@freebsd.org Subject: Re: Striped Vinum on two drives Message-ID: <20020806034326.GO86771@wantadilla.lemis.com> In-Reply-To: <20020801150427.GJ26818@mail.rain3s.net> References: <20020731211840.GN19920@mail.rain3s.net> <20020801010118.GM17787@wantadilla.lemis.com> <20020801150427.GJ26818@mail.rain3s.net>
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On Thursday, 1 August 2002 at 10:04:27 -0500, Drew Raines wrote: > Greg 'groggy' Lehey wrote: >> >> On Wednesday, 31 July 2002 at 16:18:40 -0500, Drew Raines wrote: >>> I have a machine with two hard drives: >>> >>> ad0 Maxtor 13 GB >>> da0 Fujitsu 36 GB >>> >>> I'd like to create root, swap, and usr partitions on the >>> beginning of ad0, and have the rest of the drive, as well as >>> all of da0 be one giant 45 GB filesystem. Something like: >>> >>> ad0 / >>> swap >>> /usr >>> /bigfs >>> da0 /bigfs (cont.) > > [...] > >> No, I'd consider this a fairly typical application. > > [...] > >>> Also, *can* I do it? I just want the two spindles to look >>> like one disk, striping the data accordingly. >> >> Yes, you can do that. But given the discrepancy in size >> between your disks, you might find it more useful to >> concatenate them. > > OK. I've done that, but I have a few questions. > > (1) Where did my space on /bigfs go? > > Filesystem 1K-blocks Used Avail Capacity Mounted on > /dev/da0s1a 99742 33574 58190 37% / > /dev/da0s1e 3096462 81006 2767740 3% /usr > procfs 4 4 0 100% /proc > /dev/vinum/1 43187825 1 39732798 0% /bigfs > > Does it really take 3.5 GB for Vinum to store information? No. > I thought it was 265 blocks. It doesn't store anything in individual volumes. It's outside the volumes in the drive, and yes, it's a total of 265 sectors. What you're seeing here is the file system, not Vinum. UFS keeps 9% of the space for overflow. Greg -- When replying to this message, please copy the original recipients. If you don't, I may ignore the reply. For more information, see http://www.lemis.com/questions.html 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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