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#1 2010-09-10 22:08:16

b52
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From: Germany
Registered: 2009-03-20
Posts: 48
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[SOLVED] My new SSD and the alignment thingy ..

Hey fellas,

I just received my new Intel X25-M G2 and I'm wondering how to align the partitions correctly.

My layout:

(grub-partition?)
/boot  ext2   75MB
/      btrfs  15GB
/home  btrfs  remaining

Since I wanna use btrfs I'll use the latest archboot installer, which comes with features like grub2 and GPT.

What about the grub2 partition?
So what do I need to considor to create my partitions "aligned"?
Start positions / end positions?
Do I need to align the filesystem somehow as well?

Thanks in advance
Oli

Last edited by b52 (2010-09-11 15:51:19)


srsly?

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#2 2010-09-10 23:53:07

fukawi2
Forum Moderator
From: .vic.au
Registered: 2007-09-28
Posts: 5,254
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Re: [SOLVED] My new SSD and the alignment thingy ..

AFAIK, the partition alignment issues are with new platter HDD's with 4k blocks, not with SSD's....

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#3 2010-09-11 00:19:40

ozar
Member
From: USA
Registered: 2005-02-18
Posts: 1,681

Re: [SOLVED] My new SSD and the alignment thingy ..

b52 wrote:

Hey fellas,

I just received my new Intel X25-M G2 and I'm wondering how to align the partitions correctly.

SSD partition alignment is covered in the wiki:

http://wiki.archlinux.org/index.php/SSD


oz

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#4 2010-09-11 09:06:19

b52
Member
From: Germany
Registered: 2009-03-20
Posts: 48
Website

Re: [SOLVED] My new SSD and the alignment thingy ..

Yeah, I know.
But I don't understand it. :x

I hope someone who already got the clue can help me.

Thanks, Oli


srsly?

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#5 2010-09-11 09:29:37

graysky
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From: /run/user/1000
Registered: 2008-12-01
Posts: 8,343
Website

Re: [SOLVED] My new SSD and the alignment thingy ..

b52 wrote:

Yeah, I know.
But I don't understand it. :x

I hope someone who already got the clue can help me.

Thanks, Oli

...I wrote most of that.  What don't you understand?


CPU-optimized Linux-ck packages @ Repo-ck  • AUR packagesZsh and other configs

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#6 2010-09-11 09:39:08

b52
Member
From: Germany
Registered: 2009-03-20
Posts: 48
Website

Re: [SOLVED] My new SSD and the alignment thingy ..

Well all the thinks you mention need to be done by fdisk.
But I can't use GPT with fdisk, so how do I set the sector etc size?


srsly?

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#7 2010-09-11 11:43:49

graysky
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From: /run/user/1000
Registered: 2008-12-01
Posts: 8,343
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Re: [SOLVED] My new SSD and the alignment thingy ..

I've never used GPT so I can't help you there.  Perhaps someone else?


CPU-optimized Linux-ck packages @ Repo-ck  • AUR packagesZsh and other configs

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#8 2010-09-11 14:02:31

b52
Member
From: Germany
Registered: 2009-03-20
Posts: 48
Website

Re: [SOLVED] My new SSD and the alignment thingy ..

I hope so, I'm not really into this hardware stuff hmm


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#9 2010-09-11 14:53:12

skodabenz
Banned
From: Tamilnadu, India
Registered: 2010-04-11
Posts: 382

Re: [SOLVED] My new SSD and the alignment thingy ..

For GPT, use gdisk from extra repo. For documentation check http://rodsbooks.com/gdisk/ . You might find this article useful although it does not talk about SSDs specifically http://www.ibm.com/developerworks/linux … tor-disks/ . Although I do not use an SSD or a 4K HDD, I do use gdisk and grub2. The best partition alignment size would be 1 MB (possible with GParted 0.6.2 in case of GUI tool). Gdisk by default aligns partitions by 1 MB and Parted's optimal alignment option will also help.


My new forum user/nick name is "the.ridikulus.rat" .

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#10 2010-09-11 15:50:37

b52
Member
From: Germany
Registered: 2009-03-20
Posts: 48
Website

Re: [SOLVED] My new SSD and the alignment thingy ..

Well, I already found two very helpful links.

I hope this helps.

Thanks for all your posts.


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