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61 lines
2.9 KiB
61 lines
2.9 KiB
\documentclass[11pt]{article}
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%Gummi|065|=)
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\title{\textbf{Expanding HDDs}}
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\author{Steak Electronics}
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\date{05/30/19}
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\begin{document}
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\textbf{Expanding HDDs}
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%\maketitle
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\section{Overview}
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I occasionally expand hdds. When this is done, sometimes I have to move partitions around, for example, changing a 1,2,5 (2 and 5 being extended partitions) to a 1,2, which I did for my main documentation machine. When this occured, there were a few gotcha's which I will try to note here.
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\section{Notes}
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Here's a rough outline of what happened.
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I had a 1,2,5 (the 2nd partition being an empty transition partition from primary to extended type) partition table. 1 was root, 5 was swap.
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It was a 40GB HDD. I decided to expand it to an 80GB HDD.
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First, I used clonezilla, and did a standard disk to disk. Everything went without a hitch.
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Then I needed to resize the partitions
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\subsection{resize partitions}
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I've always done this with fsck. Apparently parted once\footnote{They removed this, and replaced it with something different. removing backwards compatibility is a sin in software. They have sinned.} had a command named resize and some guides online still talk of it, as if it will work. It doesn't. It was removed. Don't waste time with parted.
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Fsck, essentially, you delete all the partitions, then add them as you want, IF you have a root partition that is 1, with everything. \footnote{If you split up the partitions, you will need to image the partitions and copy them differently.} I always use a single root partition. Simple. No need to complicate a desktop os. So for 1,2,5, I delete all partitions, then add 1, with an additional 40G in fsck.
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+80G in this case is what I did.\footnote{Perhaps I should've done +70G to stay under the 80G of an actual 80GB hdd.}
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Then add the swap after.
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mkswap the swap. resize2fs the root partition (it may ask you to e2fsck -f first, so do that if necessary). That's easy.
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However, here's the trap. You aren't done. You need to edit not only fstab, but also a few other places.
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\subsection{Things to edit:}
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\begin{itemize}
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\item fstab
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\item /etc/initramfs/conf.d/resume (may be optional if you don't suspend)
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\item update-grub
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\item update-initramfs -u -all
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\item grub-install /dev/sda
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\item grub-install /dev/sda1
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\end{itemize}
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You add the new blkid of the new swap (if it's new) to the conf.d resume. My grub-install /dev/sda1 errored out, but I think it was the /dev/sda one I needed to redo. Do both just in case. Also make sure to do an update-initramfs -u -all. And you probably already remembered about update-grub but that should probably be done as well.
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It's easy to miss one of these, and if you do, you will be loaded into grub. If you load manually in grub with:
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\emph{linux = /boot/vmlinuz...}
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\emph{initrd = /boot/initrd...}
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\emph{boot}
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Then in my case, you will end up in an initramfs that can't find the fstab. So then chroot into the hdd, and run the steps above.
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\end{document}
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