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Join Date: Apr 2009
03-09-2010, 04:46 PM
Your problem certainly sounds like SSD stuttering due to low write speed.
Partition alignment may help, but I wouldn't be excessively hopeful. To check partition alignment, I'd boot into Linux and run "sudo fdisk -lu" in a terminal. fdisk is a partitioning utility, sudo runs it with super-user privileges, and "-lu" tells it to list partitions, using sectors (512byte) as units.
My Mini 9's single partition aligned to 512kB (1024 512byte sectors) looks like this:
Device Boot Start End Blocks Id System /dev/hda1 * 1024 7404543 3701760 83 Linux
You could also look into a program to buffer SSD writes. Here's a thread about one. Be aware, since I use Linux, I've never tried the program discussed there.
Mini 1012 | SSD | Intel 6200 Wifi | Ubuntu 11.10 64bit
Join Date: Mar 2010
03-09-2010, 05:43 PM
Thank you for your reply. It turned out to be most helpful.
I've got a flash drive with Ubutnu 9.10 Netbook Remix on it (I kinda like the dumbed-down UI only because it doesn't use so much space vertically; combining the tabs to the top menu bar lets me see more of a webpage or whatnot).
I'm definitely not aligned correctly. I start at 63 rather than a power of 2. I'm apparently not offsetting correctly. Is there a way to do this in fdisk? From what I've read, Gparted doesn't allow me to manually specify an offset.
---------- Post added at 11:43 AM ---------- Previous post was at 11:18 AM ----------
OK so here's what I did. I booted into my flash drive and used this guide to create partitions using 56 sectors per track:
Guide Partition alignment importance under Windows XP (32-bit and 64-bit)..why it helps with stuttering and increases drive working life.
(see Pigeon's post)
Then I used gparted to format that new partition as NTFS. When I do "sudo fdisk -lu" I get starting at sector 56, file system is NTFS/HPFS. Sweet. 56*512 = 28672, which when divided by 4096 is 7, a perfect multiple of 4k. I'm now re-creating my WinXP flash drive (had wiped it in favor of fooling with trying to install OS X, which I'm still dealing with, but I might just give it up if this works). Once that finishes I'll try reinstalling and see what happens.
---------- Post added at 12:15 PM ---------- Previous post was at 11:18 AM ----------
edit again: well, in the file copy process during the text installer portion, things are going MUCH faster with my manually-aligned heads. Like it took half as long. Thanks for giving me the idea, it's working out well early on and I will post back when I'm done.
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