RE: [SLE] hdh is a free 10GB (NTFS) looking for something to do
From: Carlos E. R. (robin1.listas_at_tiscali.es)
Date: 12/04/03
- Previous message: Carlos E. R.: "Re: [SLE] OT downloading of different files at the same time"
- In reply to: Pacheco Jason NPRI: "RE: [SLE] hdh is a free 10GB (NTFS) looking for something to do"
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Date: Thu, 4 Dec 2003 01:25:29 +0100 (CET) To: suse-linux-e@suse.com
The Wednesday 2003-12-03 at 14:22 -0500, Pacheco Jason NPRI wrote:
> > You could put swap there, or /opt, for example. There is a chapter
> > about this on the SuSE books.
>
> Relocating /opt is a good option to free up space on hdb. However
> this will not give you any performance boost (per se).
As a matter of fact, it does: loading X is faster, because kde and gnome
are in /opt and the rest in /usr. This is documented by SuSE:
|> SuSE Linux Administration Guide
|> ==============================
|> Partitioning for Experts
|> Optimizations
|> Parallel Use of Multiple Disks
|> ------------------------------
|> To demonstate the advantages, consider what happens if SuSE @nohyphen
|> root enters the following in /usr/src:
|>
|> root@earth :/usr/src/> tar xzf package.tgz -C /usr/lib
|>
|> package.tgz will be untarred into /usr/lib/package. To do so, the shell
|> launches tar and gzip (located in /bin, so on /dev/sda) then
|> package.tgz in /usr/src is read (on /dev/sdb). Last, the extracted data
|> is written to /usr/lib (on /dev/sdc). With parallel disks, positioning
|> as well as read and write of the disks' internal buffers can be
|> activated at the same time.
|>
|> This is only one example. There are many more. If this example were a
|> frequent processing requirement and if there are many disks (with the
|> same speed), as a rule of thumb, /usr and /usr/lib should physically be
|> placed on different disks. Here /usr/lib should have approximately
|> seventy percent of the capacity of /usr. /, due to its access, should
|> be placed on the disk containing /usr/lib.
> Relocating
> /swap however will not free up much room on hdb, but it will give
> you a performance boost in paging.
Of course - but with the memory sizes available nowdays, the advantage is
less.
> If you are looking more along the lines of a performance boost,
> you may want to look into setting up a RAID array. If you have
> the ability to setup a RAID 0 striped disk array, then you could
> look into doing that; a RAID 0 array will give you parallel transfer.
> This could increase your read and write transfer rates. Of course,
> this all depends on whether or not your motherboard supports RAID.
> If your mobo does not support RAID you could purchase a RAID controller
> card to do so.
Even software raid 0 is good. Some say "as good as", because most cards
are not really a full hardware solution.
--
Cheers,
Carlos Robinson
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- Previous message: Carlos E. R.: "Re: [SLE] OT downloading of different files at the same time"
- In reply to: Pacheco Jason NPRI: "RE: [SLE] hdh is a free 10GB (NTFS) looking for something to do"
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
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