Tagged Questions

1
vote
3answers
99 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 ...
1
vote
2answers
867 views

How to TRIM/DISCARD a whole SSD partition on Linux?

My partition /dev/sda3 on an SSD drive doesn't contain any filesystem, but it contains garbage. How do I do a TRIM/DISCARD operation on the whole partition?
10
votes
2answers
2k 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.
5
votes
1answer
549 views

SSD without TRIM support under Linux - current state?

There are not SSDs with TRIM support available in my region that fit into my laptop (1.8", IDE, ZIF). I'm running Ubuntu 10.10. Most articles (or questions on superuser) I've come across concering ...
2
votes
1answer
2k 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 ...
5
votes
5answers
8k views

How do I verify that TRIM is activated? (Linux)

I have kernel*.32 and I use ext4 on my drive. Now I just don't know how to check if trim support is enabled? Found this: ...
7
votes
3answers
3k views

Does LUKS encryption affect TRIM? (SSD and linux)

I'm moving over to Linux when the new SSD arrives. SSD gives increased performance, so I thought that I could encrypt everything. But then I came to think about TRIM, and garbage collection on the ...
4
votes
2answers
2k views

When does Linux do SSD garbage collection?

I'm trying to get an understanding of when my computer does garbage collection and frees up previously used blocks on the SSD. Is this a task handled by the OS or the SSD controller? Does this ...
14
votes
6answers
34k views

Is there Linux support for TRIM on SSD drives?

Does any know if there is a way to enable TRIM support on Linux for SSDs? This is included with Windows 7, and I was surprised that I couldn't find much information about it under Linux. Info on SSD ...