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Does the latest Linux kernel fully support TRIM

dukethedj
By dukethedj
in Storage Devices
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Just now, Ryan_Vickers said:

As far as I know it has supported it for quite some time, but it was disabled by default for quite a while because they found that the performance hit of constantly running it with every deletion was worse than just not using it.  I think since then they've found a solution and enabled it by default, but regardless it is definitely supported these days :)

OK, I guess only time will tell.

Thanks for the response

Posted

I've read some information on the intetwebs that Ubuntu does not fully support TRIM and I would have to do some sort of command to enable it. Those articles were written in 2013. I am wondering if it is enabled by default with the ext4 file system.

You are on a need to know basis, and you don't need to know.

 

 

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4 minutes ago, dukethedj said:

I've read some information on the intetwebs that Ubuntu does not fully support TRIM and I would have to do some sort of command to enable it. Those articles were written in 2013. I am wondering if it is enabled by default with the ext4 file system.

my experience is that you need to add a bunch of repos and go pretty deep in the kernal files, making some changes, to get it too work seemlessly.  

I can help with programming and hardware.

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9 minutes ago, dukethedj said:

I've read some information on the intetwebs that Ubuntu does not fully support TRIM and I would have to do some sort of command to enable it. Those articles were written in 2013. I am wondering if it is enabled by default with the ext4 file system.

As far as I know it has supported it for quite some time, but it was disabled by default for quite a while because they found that the performance hit of constantly running it with every deletion was worse than just not using it.  I think since then they've found a solution and enabled it by default, but regardless it is definitely supported these days :)

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Just now, Ryan_Vickers said:

As far as I know it has supported it for quite some time, but it was disabled by default for quite a while because they found that the performance hit of constantly running it with every deletion was worse than just not using it.  I think since then they've found a solution and enabled it by default, but regardless it is definitely supported these days :)

OK, I guess only time will tell.

Thanks for the response

You are on a need to know basis, and you don't need to know.

 

 

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If you're concerned about TRIM and Garbage Collection, you can always over provision (OP) your drives by at least 10% to avoid slowdown. This is what I do on all of my Linux servers since the RAID controllers don't support TRIM.

-KuJoe

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