Date: Sun, 04 Jul 2004 18:39:09 +0200 From: Stephan van Beerschoten <stephanb@whacky.net> To: Stephan van Beerschoten <stephanb@whacky.net> Cc: freebsd-hardware@freebsd.org Subject: Re: newbie to hw raid and lvm Message-ID: <40E832AD.4080304@whacky.net> In-Reply-To: <40E8311F.9060100@whacky.net> References: <40E8311F.9060100@whacky.net>
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Stephan van Beerschoten wrote: > Hi all, > > I jus this morning installed a new copy of -current onto a desktop > platform with a raidcontroller on its motherboard. > It is a promise controller and it works. > > However, I wonder now if there is such a thing as a LVM for FreeBSD ? > Vinum, I noticed, cannot help me with this, but having a blob of 160GB > (2x 160gb mirrored) would be a lot more helpfull if I could put > so-called softpartitions on top of it. Much like what I'm used to on > the Solaris platform that allows me on-the-fly creations and resizes > of volumes. > > Also, I noticed the kernel recognized each individual disk which is > part of my mirror. Is it possible to do anything with the raid > configuration from a userland perspective or is this information given > only because the kernel happends to be able to register it, but one > cannot actually DO anything with this information ? I forgot to include one other thing I wondered about. After I installed the base OS, I wanted to 'test' the mirror so I unplugged the power to one of the disks. The result was FreeBSD panicing, which was not what I expected to see. This was still with 5.2.1 (I'm now up to par with -CURRENT). I would assume the system would continue utilizing the one existend disk, specially after FreeBSD _knows_ the configuration of the raid array. Any comments for this disillusioned raid newbie ? /Stephan
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