Re: Newbie: Partitioning help--size, mount, and label
- From: David Wright <david_c_wright@xxxxxxxxxxx>
- Date: Tue, 31 Jan 2006 17:47:45 +0100
BAH! I'll try again...
Lawrence Gould wrote:
> I'm a confused. I'm upgrading from SuSE 9.2, which I haven't used
> much, to SuSE v10 by installing fresh. I thought I'd change the
> partitions and filesystem types while I'm at it. First, a bunch of
> questions. Details of the existing setup and proposed follow.
>
> 1) I've got three SCSI HD: sda (Windows 2000) and sdb (Linux) are both
> 17.1 GB. sdc (4 GB) mostly contains Windows pagefile, plus browsers
> caches, and other caches. I thought I'd use part of sdc as a Linux
> swap.
> Dumb question, but I haven't found it addressed anywhere: May a
> swap partition be on a drive *other* than the one with /, /home, /usr,
> etc?
> Wouldn't a swap file on separate HD speeds things up, hardly
> noticeable as it might be?
see first post...
> 2) I thought each partition needed a mount point? (See also next two
> questions.)
Yes, they do.
> 3) Is there supposed to be some correspondence between mounts and
> labels?
> v10 installation is keeping the labels I had, but it's suggesting
> different mounts, eliminating two entirely (sdb2 was /usr and sdb6 was
> /home).
What do you mean by labels? You can specify any partition to be mounted
anywhere. By default SUSE 10 creates a / partition and a swap partition. If
you already have other partitions for /usr and /home, you need to go into
advanced partition configuration and set their mount points
correspondingly.
> 4) I thought I needed at the very least mounts for root (/), /usr, and
> /home. Guess not, huh? Why not? v10 is suggesting just root and swap.
> What happens to /usr and /home?
By default (to keep things simple), SUSE 10 just uses /, see above. If you
want to keep your /usr and /home (not a bad decision), then you just need
to go into the partitioning manager in the setup and for the two partitions
specify their mountpoints.
Make sure that they are also marked as not to be reformatted! ;-)
> 5) I assume I should take advantage of reformatting to reiserfs where
> possible, namely where Linux native (ext3) exists, except for /boot
> (sdb1; leave that as is; if it ain't broke...).
> The disadvantage to formatting to reiserfs: Can't use PM 8 on
> Linux drives. (But I can use Yast on the Linux side; PM on the W2K
> side.)
I would leave them as ext3, I am not a big fan of resierfs. I've never had
problems with ext3, reisefs hosed a friends machine, but saying that it is
running on one of my machines without problems...
I wouldn't mix-and-match partition managers, at least not on the same drive!
Using PM8 on sda and YAST on sdb would be OK, but using both on sda or both
on sdb would be asking for trouble. ;-)
> 6) I like different partitions for different categories of software: a
> partition each for OS and apps, for currently used data files, for
> long-term storage (rarely used data files and downloaded stuff), and
> for a separate working area (such as for editing audio or visual
> stuff). The swap, again, seems to me to be better on a third HD.
>
> In addition to the current boot partition, should I:
>
> a) Assuming I may keep swap on sdbc2...
>
> b) Resize partitions sdb2, sdb3, sdb5, and sdb6 for directories root,
> /opt, /usr, and /home -- say around 5, 2, 5, 5 GB, and then resize
> those partitions/directories later as I become familiar with space
> reqirements?
>
> c) During v10 installation, make the mount points for those four
> partitions: root, /opt, /usr, and /home? (This depends partially on
> question 2.)
I think 10.1 is a max of 10GB for / and the rest for home.
My machine has a fairly full installation, so I'll give you the sizes of the
directories you have mentioned...
/ 2.8GB (approx.)
/opt 1.5GB (88,000 files in 7,229 directories)
/usr 3.9GB (188,433 files in 13.125 directories)
/home 26.9GB
(OK, my home isn't something to seriously compare to, it has a general
account for internet downloads (service packs, shareware, drivers etc. )
> d) Reformat those four partitions to reiserfs.
If you already have data and personal settings, I wouldn't reformat them
> e) And what about the labels? Should I mimic the mount points?
Probably, good when you have to rebuild.
> f) Bonus questions: Does the order of the directories matter? Does it
> matter which directory is in or out of the extended partition?
Don't think so. I tried 10.1 and it put everything but boot in extended
partitions...
> I thank you for your patience in explaining this to me, and for
> your suggestions. I hope to return the favor -- to Linux newbies
> (versus Windoze newbies)!
>
> Sincerely,
> Larry
>
.
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- From: Lawrence Gould
- Newbie: Partitioning help--size, mount, and label
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