Does Linux support TRIM for SSDs on LVM?

Question

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.

score 8 · Answer 1 · answered Apr 06 '11 at 21:32

8

Trim support was added for LVM in the 2.6.37 kernel (source). However, combining LVM and RAID does not currently support TRIM.

answered Apr 06 '11 at 21:32

SysAdmin1138

5,449

score 2 · Answer 2 · edited Apr 13 '17 at 12:37

2

According to this ServerFault question, TRIM works correctly through ext4+LVM+mdraid as of Linux 2.6.38. (thanks to this post)

edited Apr 13 '17 at 12:37

Community

1

answered Aug 22 '12 at 16:51

qris

408
4
10

score 0 · Answer 3 · answered Apr 06 '11 at 21:23

0

Until the Kernel Version 2.6.33 the TRIM command in inserted to the kernel.

Here are some information.

answered Apr 06 '11 at 21:23

René Höhle

354

Does Linux support TRIM for SSDs on LVM?

3 Answers3

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