Re: (reiserfs) Re: LVM / Filesystems / High availability

Stephen C. Tweedie (sct@dcs.ed.ac.uk)
Mon, 22 Jun 1998 12:49:25 +0100


Hi again,

On Thu, 18 Jun 1998 18:57:12 -0500 (CDT), Shawn Leas <sleas@ixion.honeywell.com> said:

> I think Linux kernel ver 2.3 is going to do just we hope it is going to
> do. On the list of things that I've seen realistically discussed are:

> 1) Vast improvement in the MM, such as zone alocation, etc.
> 2) The support for LVM. (I can't tell you how long I've been searching)
> 3) Super high throughput FS's that are journaled for
> stability and speed of recovery.

I would be surprised if we did not see _all_ of these in 2.3.

> I think/hope that the kernel group sees these issues as important to the
> furthering of Linux in general. LVM is a pretty standard and easy
> interface for doing lots of things, like mirroring, striping, etc.

Actually, we already have mirroring and striping. The current 2.1
supports raid0, raid1 and raid5 natively, and the network block device
code even lets you run mirroring over the network to a remote block
device.

> I vote for a new age in scalability! Let us not look upon this as
> kernel bloat. I know personally that the lack of such things in Linux
> has kept many people from using it.

Absolutely. In fact, I'm beginning to think that linux-2.4 should
actually be numbered 3.0, with "Enterprise Scalability" being the big
thing for the new version number. The main thing needed for that over
and above what's already been described is more scalable SMP.

--Stephen

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