Date: Sun, 2 Apr 1995 08:51:25 -0500 (CDT) From: Peter da Silva <peter@bonkers.taronga.com> To: rgrimes@gndrsh.aac.dev.com (Rodney W. Grimes) Cc: terry@cs.weber.edu, PVinci@ix.netcom.com, hackers@FreeBSD.org Subject: Re: large filesystems/multiple disks [RAID] Message-ID: <199504021351.IAA02419@bonkers.taronga.com> In-Reply-To: <199504020825.AAA01169@gndrsh.aac.dev.com> from "Rodney W. Grimes" at Apr 2, 95 00:25:43 am
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> > > It's fragile because you could for instance have four file systems > > > with blocks in the same 16M area of a disk. > > Um, why would you do that? Doesn't that sort of counter the whole reason > > for running file systems over multiple disks? > I would think so, the way Auspex handles this is that the blocking factor > can be tuned when the logical volume is created. [...] You miss the point. Why would you have multiple file systems on the same set of disks? [goes on to describe the performance benefits of striping] Yeh, then it becomes useful... but if you're going to that effort you'd go full RAID with parity, so a disk failure just means you slip another disk in and let it repopulate it. Yeh, it's more complex... but so is striping.
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