Date: Mon, 22 Jan 2007 22:11:05 -0600 From: Jonathan Horne <freebsd@dfwlp.com> To: freebsd-questions@freebsd.org Subject: gmirror setup Message-ID: <200701222211.05393.freebsd@dfwlp.com>
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i just set up my first gmirror raid1, and... it was really simple. too simple. "ok... what did i skip or do wrong?", was my first thought. i follow the doc from onlamp.com: http://www.onlamp.com/pub/a/bsd/2005/11/10/FreeBSD_Basics.html?page=1 i did have one giant deviation tho, and im wondering if it really makes a difference. the article depicts creating the gmirror immediately following initial operating system install, but i did my example on a fully functioning system. other than that, i have 2 identical disks, and things seem to be working: castor# gmirror status Name Status Components mirror/gm0 DEGRADED ad0 ad1 (33%) im sure im seeing less than the best performance since im using but a single ide channel, but other than that, is it feasible to insert an identical disk, and setup the gmirror at anytime a freebsd'er likes? also, the doc didnt mention it, but if you do use to differing disk sizes, obviously the smaller one should be ad0? and other than that, is there any difference in setting up gmirror if the second disk is larger? cheers, jonathan
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