From owner-freebsd-questions@FreeBSD.ORG Fri May 5 01:15:41 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0459D16A400 for ; Fri, 5 May 2006 01:15:41 +0000 (UTC) (envelope-from lists@webtent.net) Received: from genoa.webtent.org (static-70-110-70-42.tampfl.fios.verizon.net [70.110.70.42]) by mx1.FreeBSD.org (Postfix) with ESMTP id A2F0E43D46 for ; Fri, 5 May 2006 01:15:40 +0000 (GMT) (envelope-from lists@webtent.net) Received: from columbus.webtent.org (columbus.webtent.org [192.168.1.25]) by genoa.webtent.org (Postfix) with ESMTP id ACD628A02A for ; Thu, 4 May 2006 21:15:39 -0400 (EDT) From: Robert Fitzpatrick To: FreeBSD In-Reply-To: <20060504194550.T60301@sandbox.ca> References: <1146785055.6860.50.camel@columbus.webtent.org> <20060504194550.T60301@sandbox.ca> Content-Type: text/plain Date: Thu, 04 May 2006 21:15:39 -0400 Message-Id: <1146791739.6860.66.camel@columbus.webtent.org> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Subject: Re: Software RAID guidance X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 May 2006 01:15:41 -0000 On Thu, 2006-05-04 at 19:59 -0400, Ian Jefferson wrote: > I think if you want mirroring only you should consult the geom pages. Great, I believe I have this setup right. I'm not sure what the fdisk issue may be with the message 'fdisk: Geom not found', but all looks to have setup properly. Now, just to have a clear understanding, what is the purpose of /dev/mirror/datas1c as it is not used in creating the mirror it seems? files# geom mirror label -v -s 35000 data /dev/da2 /dev/da3 Metadata value stored on /dev/da2. Metadata value stored on /dev/da3. Done. files# gmirror load files# fdisk -vBI /dev/mirror/data ******* Working on device /dev/mirror/data ******* parameters extracted from in-core disklabel are: cylinders=4462 heads=255 sectors/track=63 (16065 blks/cyl) Figures below won't work with BIOS for partitions not in cyl 1 parameters to be used for BIOS calculations are: cylinders=4462 heads=255 sectors/track=63 (16065 blks/cyl) Information from DOS bootblock is: 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) start 63, size 71681967 (35000 Meg), flag 80 (active) beg: cyl 0/ head 1/ sector 1; end: cyl 365/ head 254/ sector 63 2: 3: 4: fdisk: Geom not found files# ls -l /dev/mirror/ total 0 crw-r----- 1 root operator 0, 127 May 4 20:48 data crw-r----- 1 root operator 0, 110 May 4 20:43 datas1 crw-r----- 1 root operator 0, 117 May 4 20:43 datas1a crw-r----- 1 root operator 0, 118 May 4 20:43 datas1c files# bsdlabel -wB /dev/mirror/datas1 files# newfs -U /dev/mirror/datas1a /dev/mirror/datas1a: 35001.0MB (71681948 sectors) block size 16384, fragment size 2048 using 191 cylinder groups of 183.77MB, 11761 blks, 23552 inodes. with soft updates super-block backups (for fsck -b #) at: 160, 376512, 752864, 1129216, 1505568, 1881920, 2258272, 2634624, 3010976, 3387328, 3763680, 4140032, 4516384, 4892736, 5269088, 5645440, 6021792, 6398144, 6774496, 7150848, 7527200, 7903552, 8279904, 8656256, 9032608, 9408960, 9785312, 10161664, 10538016, 10914368, 11290720, 11667072, 12043424, 12419776, 12796128, 13172480, 13548832, 13925184, 14301536, 14677888, 15054240, 15430592, 15806944, 16183296, 16559648, 16936000, 17312352, 17688704, 18065056, 18441408, 18817760, 19194112, 19570464, 19946816, 20323168, 20699520, 21075872, 21452224, 21828576, 22204928, 22581280, 22957632, 23333984, 23710336, 24086688, 24463040, 24839392, 25215744, 25592096, 25968448, 26344800, 26721152, 27097504, 27473856, 27850208, 28226560, 28602912, 28979264, 29355616, 29731968, 30108320, 30484672, 30861024, 31237376, 31613728, 31990080, 32366432, 32742784, 33119136, 33495488, 33871840, 34248192, 34624544, 35000896, 35377248, 35753600, 36129952, 36506304, 36882656, 37259008, 37635360, 38011712, 38388064, 38764416, 39140768, 39517120, 39893472, 40269824, 40646176, 41022528, 41398880, 41775232, 42151584, 42527936, 42904288, 43280640, 43656992, 44033344, 44409696, 44786048, 45162400, 45538752, 45915104, 46291456, 46667808, 47044160, 47420512, 47796864, 48173216, 48549568, 48925920, 49302272, 49678624, 50054976, 50431328, 50807680, 51184032, 51560384, 51936736, 52313088, 52689440, 53065792, 53442144, 53818496, 54194848, 54571200, 54947552, 55323904, 55700256, 56076608, 56452960, 56829312, 57205664, 57582016, 57958368, 58334720, 58711072, 59087424, 59463776, 59840128, 60216480, 60592832, 60969184, 61345536, 61721888, 62098240, 62474592, 62850944, 63227296, 63603648, 63980000, 64356352, 64732704, 65109056, 65485408, 65861760, 66238112, 66614464, 66990816, 67367168, 67743520, 68119872, 68496224, 68872576, 69248928, 69625280, 70001632, 70377984, 70754336, 71130688, 71507040 files# mount /dev/mirror/datas1a /data files# df -h Filesystem Size Used Avail Capacity Mounted on /dev/da0s1a 3.8G 55M 3.4G 2% / devfs 1.0K 1.0K 0B 100% /dev /dev/da1s1d 8.3G 1.0G 6.6G 13% /usr /dev/da0s1d 4.0G 4.2M 3.7G 0% /var /dev/mirror/datas1a 33G 4.0K 30G 0% /data -- Robert