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Confused whether to switch from ext2 to ext4 or not

I recently installed Xubuntu 14.04 on my old laptop and decided to buy an SSD for the new OS. I installed Xubuntu on 32GB ext2 formatted partition because I read that it doesn't have journalling which ...
ilovemath's user avatar
2 votes
1 answer
3k views

Ubuntu: SSD TRIM is taking too long

I posted this question before, but with no answer: (https://askubuntu.com/questions/400233/fstrim-is-taking-too-long). I'm using ubuntu 13.10, I call fstrim -v / on boot rc.local. Recently I realized ...
rashad's user avatar
  • 135
1 vote
3 answers
389 views

Is there a way to determine if TRIM is why my HD is slow?

I have a computer with RAID1 SSDs, but the performance I'm getting out of them is really bad (around 20MB/sec sequential read). They don't have TRIM enabled since it's an old Linux kernel, so before I ...
mlissner's user avatar
  • 1,252
3 votes
1 answer
628 views

How to set up OSes (Mac/Win/Ubuntu) on a SSD to promote its longevity (TRIM, etc.)

I recently bought an SSD (a 64GB Crucial M4 - which I believe has garbage collection, based on these specs) for my new computer. I've installed OS X 10.7.2 on it, and would like to reinstall this and ...
tog22's user avatar
  • 965
12 votes
3 answers
4k views

Does Linux support TRIM for SSDs on LVM?

I am getting a SSD and need to know, does Linux support TRIM if I set up LVM on top of the SSD? I'm finding conflicting information. I'm currently running Ubuntu 10.10 with kernel 2.6.35-28.
user avatar
5 votes
2 answers
7k views

How do I determine whether my SSD (Samsung UM41) supports the TRIM command?

I'm running Ubuntu 10.04 and lshw shows a "SAMSUNG SSD UM41". Any way for me to determine (1) that my SSD supports TRIM, and (2) that my OS and FS (ext4) are actually using this? Update: Rather than ...
xyzzyrz's user avatar
  • 921
2 votes
1 answer
3k views

How to maintain a SSD drive on Ubuntu?

I am running Ubuntu 10.04 on a Intel X25-M PostVille 160 Go SSD drive with ext4. How can I tell if there's something wrong ? What should/can I do to maintain its performance/health ? Should I use TRIM,...
nicoulaj's user avatar
  • 646