Ctrl+Alt+Fn + any function key does not give me a CLI. I also agree I don't need to install LVM. I am installing Ubuntu 24.04 on one drive and /home on another drive and creating a sym link between the two, so I don't think an LVM will help me.
Mark On Tue, Aug 19, 2025 at 2:05 PM rusty carruth via PLUG-discuss < [email protected]> wrote: > On Tue, 2025-08-19 at 16:16 -0400, Steve Litt via PLUG-discuss wrote: > > > > On Tue, 19 Aug 2025 11:20:57 -0700 > > Mark Phillips via PLUG-discuss <[email protected]> > > wrote: > > > > > In terms of a major reinstall, should I use LVM or not? > > > > No, don't use LVM. Just one more abstraction layer to go wrong and > > bork > > all your data. It also adds more learning to our already > > overburdened minds. From my understanding, LVM bestows three > > advantages: > > > > 1) "Rubber" partitions that can grow and shrink. > > > > 2) Partition snapshots. > > > > 3) Combining multiple hardware disks into one virtual disk. > > > > Steve did a great job of explaining it all. :-) And I echo the 'added > complexity' comment. With LVM, you turn your hardware devices into LVM > 'devices', THEN you put them together in to LVM groups, THEN you make a > usable drive. Or something like that. And I can tell you, while it is > possible to expand an LVM 'drive', it is a lot easier to grab a new, > huge drive from the store, install from scratch to it (or dd copy and > expand, or whatever), and now you have a backup of everything on your > original disk ;-) > > So, personally, its a lot of extra work, which gives you a LOT of > power, that you'll either never need, or have to spend a lot of time > figuring out how to use! ;-) > > > I would like to slightly disagree with Steve about RAID. The theory > behind RAID is that you put a 'bunch' of different disks together, with > the ability to REBUILD your entire 'drive' if (only) one drive fails. > This is very handy if your 'drive' is multiple terabytes and you need > to keep going while it rebuilds, instead of waiting for the backup to > restore. > > One thing that I think RAID builders need to consider is - one of the > major theories in RAID is that the drives will tend to fail with no > correlation to the other drives. But, if all the drives are from the > same manufacturer, built in the same batch, I think this assumption is > probably faulty :-) So, I buy drives from different manufacturers to > put together into a RAID array. > > The other downside to RAID is that you lose some storage by having the > checksums stored. > > Ok, back to the woodwork for me! ;-) > > > --------------------------------------------------- > PLUG-discuss mailing list: [email protected] > To subscribe, unsubscribe, or to change your mail settings: > https://lists.phxlinux.org/mailman/listinfo/plug-discuss >
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