> ---------- Forwarded message ---------- > From: Marko Vojinovic <vvma...@gmail.com> > To: users@lists.fedoraproject.org > Date: Mon, 19 Jul 2010 04:35:36 +0100 > Subject: Re: Can one now help? > On Sunday, July 18, 2010 23:35:34 Parshwa Murdia wrote: > > Ok, as an aftermath, for educational purposes :-) : > > * The partition /dev/sda1 is what corresponds to the C: partition on > Windows. > It is the so-called "primary" partition, and only 4 of those can exist on > the > disk. They are named /dev/sda1 through /dev/sda4 in Linux. > * You don't have any more primary partitions, and /dev/sda2 is instead a > so- > called "extended" partition, which is actually only a "container label" for > all other partitions that follow, which are not primary. > * The first partition contained inside the extended one is /dev/sda5 (if > the > number were less than 5 it would correspond to a primary partition, and > could > not be inside the extended one). This one is probably the Windows D: > partition. > * As above, /dev/sda6 and /dev/sda7 are also members of the extended > partition, and correspond to your Windows drives E: and F:. Now, somewhere > in > between those letters Windows might stick the CD/DVD drives and assign its > letters differently. The CD/DVD drives are *not* listed by the above fdisk > command, and I can only guess how Windows will order its drive letters. > * The /dev/sda8 partition is also a member of the extended one, and most > probably the Fedora /boot partition, where the kernel and grub files > reside. > Windows does not show a letter for that one, since it doesn't recognize > Linux > partitions in general. > * Finally, the /dev/sda9 partition is again not a real partition, but again > a > container like /dev/sda2 (although of quite different type). It is > contained > inside /dev/sda2, and it contains yet more partitions. This container is of > LVM type, and contains all other Linux partitions (probably root and swap) > inside. These partitions are not listed by fstab. > > I know it sounds complicated. And believe me, it is. That is what you get > when > you mix very old standards (only four partitions allowed on the disk) with > patched technologies and new hyped ideas --- you get one primary partition, > and several of them inside LVM which is inside the extended partition which > is > a bogus primary one. >
Really complicated, I would have to see much and try to understand its basics. > Don't ask me how did disk partitioning evolve into such a stupid state. > When > IDE disks were being standardized (long time ago), nobody dreamed that one > day > you might wish to have more than 4 partitions on the disk, dual boot system > and wish to be able to resize partitions on a live disk. So they invented a > stupid and shortsighted standard which had to be patched after it became > *obviously* shortsighted... > > Of course, as you already found out yourself, mounting partitions inside > the > LVM container is not the same as trying to mount the LVM container itself > (the > latter is bound to fail, since it is just a container, not an actual > partition...). Hence the errors. > Yes. Although I am confused about sda8, it is type 83 (ext2/3/4), that one > *should* > have worked. But nevermind now... ;-) > Oh I see. > And of course, I missed to remember that you probably have a LVM container > by > default, so my original instructions didn't work as I thought they should. > My > bad. But you found out what is the proper procedure for that case via > google. > :-) > No probs, it happens in technology. Frankly speaking, I am a novice and a beginner, I just listen to music on Fedora and check my mails but for security reasons, and as it is better than Windows, I am using it. To learn it, it would take much much time for me at least. > Well, the fstab file is a file that contains rows and columns. > Specifically, each > row must contain 6 columns. Column entries are separated with a space. So > for > example, the line > > tmpfs /tmp tmpfs defaults 0 0 > > has "tmpfs" in the first column, "/tmp" in the second, "tmpfs" in the > third, > "defaults" in the fourth, and "0" in fifth and sixth. And that is ok. > > Now, if you look at one of the lines you modified initially, for example: > > /dev/mapper/VolGroup-lv_root / ext4 defaults, noatime, nodiratime 1 1 > > I am counting 7 spaces total, which means that line has 8 columns, which > the > computer does not tolerate. The "defaults,", "noatime," and "nodiratime" > are > distributed into three columns, when they should all be in only one (4-th > column). When you introduced extra spaces, you introduced extra columns, > which > is wrong. The right line should be > > /dev/mapper/VolGroup-lv_root / ext4 defaults,noatime,nodiratime 1 1 > > Now there are no extra columns, you have 5 spaces delimiting 6 columns > total, > and the data in the 4-th column is "defaults,noatime,nodiratime", as it > should > be. The computer knows how to interpret and understand this. > Too much depth, I earlier ran the commands thinking it would simply increase the bandwidth, but running with even a single mistake is really troublesome. > If you want to read more about the structure and syntax of the fstab file, > type > "man fstab" in the terminal, and read on. > > The "man" command stands for "manual", and gives you usage instructions for > whatever command you wish to know about. Try "man mount", "man ls", "man > cd", > "man vgscan", and so on. Try even "man man", there is a manual about using > the > manual. :-) > > If you want to be able to use Linux with greater power, you need to be > skillful in using the terminal. Reading manual pages is the first place to > start learning. If you are very determined to learn, read "man bash". > > If you are a masochist, read "man bash" twice. ;-) > > Precisely. After the explanation above, it should be clear what was wrong > and > why it is now correct. > Yes. > ---------- Forwarded message ---------- > From: JD <jd1...@gmail.com> > To: vma...@ipb.ac.rs, Community support for Fedora users < > users@lists.fedoraproject.org> > Date: Sun, 18 Jul 2010 20:48:25 -0700 > Subject: Re: Can one now help? > I wonder why the fedora installer did not create a gpt partitioned disk, > instead of old dos partitioning scheme. > If they might have done this, we could have asked "why the fedora installer did not create a old dos partitioning scheme, instead of a gpt partitioned disk." Every part has its own problems. > ---------- Forwarded message ---------- > From: Marko Vojinovic <vvma...@gmail.com> > To: users@lists.fedoraproject.org > Date: Mon, 19 Jul 2010 04:50:15 +0100 > Subject: Re: Can one now help? > On Sunday, July 18, 2010 22:56:35 Christofer C. Bell wrote: > > And this is *precisely* why I hate LVM being the default. While a newbie > typically has trouble to understand even the above output, and is > completely > lost with the added layer of complexity of LVM, when something stupid goes > wrong it can easily become rocket science to mount and fix something > inside LVM. > For beginners, its really troublesome. > And the benefit of LVM for a newbie is next to nothing, they are hardly > even > aware what LVM is and how it can be used, let alone manipulate it from a > rescue environment. > > I know LVM is useful if one needs its functionality, but it is a complete > overkill as a default installation choice, IMNSHO. People who know they > need > it typically know how to choose it during installation. People who don't > know > about it typically don't need it. Why it is chosen by default is beyond me. > Everytime, something new they try to do, so they implemented it with LVM, I hope this may be reason.
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