[Gllug] Partition debate

[Nathan Matthews]

Something I dont understand, arent filesystem quotas now in place on things
like ext2, in which case separate partitions would be unneeded?

-----Original Message-----
From: hawtink at clinkserver.com [mailto:hawtink at clinkserver.com]
Sent: 19 July 2001 23:59
To: gllug at linux.co.uk
Subject: Re: [Gllug] Partition debate 



> 1)  If you have something like squid on your system which can gobble 
> disc space quite happily, giving it its own filesystem in its own 
> partition is a good idea. Then if it decides to use up the whol 
> 'disc', your system doesn't fall over because / is full !

same goes for mail/logs/wwwoffle/usershomedirs/ftpincomming
but with squid you can set the maximum disk usage

> 2)  I don't know whether this strategy works on linux like it does on SCO,
but
> I like to backup filesystems on the quick by dd'ing the raw (unmounted)
file-
> system to another (unmounted) one of exactly the same size.  I can mount
the
> copy and play with it as I like, including copying off to tape at my
leisure.

should work the same ... but there could be issues about sector offsets
different disks? (how does i-node address work again)

> 3)  Rather debatable, but I suspect several smaller filesystems may use
discs
> more efficiently than one massive one with zillions of inodes.

there are/were performance issues, but most of that
changed in kernel 2.0 and the new ext2fs...

> 5)  Slightly off subject, I am not sure I like the trend towards massive
> single-disc systems. I still prefer to spread my data cross several
smaller
> drives.  That should reduce the problem of latency and head movement.
> Also, with copies of various filesystems on other discs, it becomes
possible
> to carry on fairly quickly if a disc goes down by mounting the alternates.

on more than one occasion i have run into the problem 
of mounting too many file systems ... 
4 X 20G ide hdd + 3 X 6 X 18G scsi hdd + nfs totalling 400Gb
with lostsa partitions and software raid ...

yours,

Kim


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