On Friday, 03-01-2025 at 09:46 fxkl4...@protonmail.com wrote:
> On Thu, 2 Jan 2025, Michael Stone wrote:
>
> > On Thu, Jan 02, 2025 at 06:29:08PM +1100, George at Clug wrote:
> >> LVM was introduced to allow extending storage by adding extra physical
> >> drives. Storage space is allocated as virtualised storage, i.e. Logical
> >> Volumes.
> >
> > Yes and no. LVM was introduced to allow flexibility in how you assign
> > space. It lets you add drives, or migrate between drives, or resize a
> > volume, or make some volumes raid and some volumes not, all on the fly.
> > If you use something like btrfs or zfs, then you probably don't want to
> > add an LVM layer as it just complicates things in a redundant fashion.
> > If you have a set number of drives and partition the whole thing up as a
> > single volume, then LVM may not be worth the effort. If you have a
> > relatively dynamic environment, LVM is a big timesaver.
> >
> > It can be somewhat complicated, and there are some gotchas in
> > configuring things like raid, so for someone trying to put together an
> > ordinary desktop that would be happy with one big partition and isn't
> > likely to do an upgrade that isn't a full replacement, I probably
> > wouldn't bother.
> >
>
> i managed a half dozen hp9000 servers with 200 2gb drives
> lvm came in pretty handy :)
Was fibre for networking part of that build? (I am guessing RAID was also used)
What was the data throughput like?
I set up a RAID with 8 drives once and was very disappointed in the
performance. The redundancy was useful but not the performance. I think 200
would be a step up from 8, lol.
George.
>
>
