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Mr Green

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From: U.K.

Registered: 2003-12-21

Posts: 5,920

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hard drive speed up?

http://www.hackosis.com/2008/11/03/linu … tem-up-40/

Wondered if anyone has any thoughts on this article?

MrG

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Procyon

Member

Registered: 2008-05-07

Posts: 1,819

Re: hard drive speed up?

I have been using noatime, works fine.
I will set nodiratime too now, didn't know that existed.

Do these work for XFS too?

EDIT: man mount says XFS can do noatime. I guess it can't hurt to just put both of these for all filesystems.

Last edited by Procyon (2008-11-03 16:58:20)

Mr Green

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From: U.K.

Registered: 2003-12-21

Posts: 5,920

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Re: hard drive speed up?

Think it relates more to ext3... atm all I have in fstab is defaults

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Mr Green I like Landuke!

Hohoho

Member

Registered: 2007-06-23

Posts: 222

Re: hard drive speed up?

Well that's an old trick, but yes, it helps a lot.

Mr Green

Forum Fellow

From: U.K.

Registered: 2003-12-21

Posts: 5,920

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Re: hard drive speed up?

very quiet thread maybe Archers use something other than ext3

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Mikko777

Member

From: Suomi, Finland

Registered: 2006-10-30

Posts: 837

Re: hard drive speed up?

very quiet thread maybe Archers use something other than ext3

No no, thats just the things ppl automatically do when installing...

I think even ubuntu has that on by default. Afaik noatime is enough, nodiratime comes with it.

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R00KIE

Forum Fellow

From: Between a computer and a chair

Registered: 2008-09-14

Posts: 4,734

Re: hard drive speed up?

Latest ubuntu seems to have relatime and .... I didn't know about this (guess I didn't read the wiki properly or it got changed meanwhile) .... I'm starting with relatime and see if everything keeps working as it should (I suspect it will) then I'll move on to noatime,nodiratime.
I've read that noatime is a superset of nodiratime but by reading the man page I get the feeling they are two separate things and you need to use both to do the trick.

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Mr Green

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From: U.K.

Registered: 2003-12-21

Posts: 5,920

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Re: hard drive speed up?

/dev/sda2 / ext3 defaults 0 1

Emmm my fstab is about 5 years old :-) .... guess its me who is living in the past

Just checked Ubuntu its showing

 relatime, errors=remount-ro

Boing!

Last edited by Mr Green (2008-11-05 09:28:59)

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Mr Green I like Landuke!

Mr Green

Forum Fellow

From: U.K.

Registered: 2003-12-21

Posts: 5,920

Website

Re: hard drive speed up?

Boing!

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Mr Green I like Landuke!

R00KIE

Forum Fellow

From: Between a computer and a chair

Registered: 2008-09-14

Posts: 4,734

Re: hard drive speed up?

Yes I know, I asked a friend that is trying ubuntu to cat his fstab
But I've moved to noatime,nodiratime. No other options besides the defaults and it seems to be working very well. Fam doesn't seem to hang that much (at all) now but thats something for another thread I guess.

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lilsirecho

Veteran

Registered: 2003-10-24

Posts: 5,000

Re: hard drive speed up?

Does this procedure mean anything when applied to raid0 array made up of three CF IDE cards?

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R00KIE

Forum Fellow

From: Between a computer and a chair

Registered: 2008-09-14

Posts: 4,734

Re: hard drive speed up?

Yes, if for every file you read you need to write back the last access time then it doesn't matter what kind of setup you have. It may be just less noticeable if the storage subsystem is faster (which is your case with raid0).

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Zibi1981

Member

From: Poland

Registered: 2008-01-31

Posts: 707

Re: hard drive speed up?

I was using option noatime for my JFS partitions for quite a time, but haven't heard of nodirtime till now. Will see if it changes anything.
Anyone know a good HDD benchmark for Linux?

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shazeal

Member

From: New Zealand

Registered: 2007-06-05

Posts: 341

Re: hard drive speed up?

relatime is techincally the most compatible option. noatime implies nodiratime so its pointless...

edit: and afaik there are no fs benchmarks for linux, there are plenty of hdd benchmarks but I dont think thats what you meant?
People tend to just copy around files, time it and assume that this has some real world relevance to the FS performance

Last edited by shazeal (2008-11-27 06:30:12)