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1 vote
1 answer
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Correct way to enable TRIM on recent Debian/Ubuntu

It used to be that properly enabling TRIM for SSDs on Linux involved two steps: Running fstrim once, to take care of all the "untrimmed" blocks to date, then Setting the discard flag in ...
Jason C's user avatar
  • 1,475
0 votes
0 answers
784 views

Why is blkdiscard not erasing all data of the whole drive?

I have an old mSATA SSD (model name: Plextor PX-128M6M), which is installed to an mSATA-to-USB enclosure with ASM1153E controller. I want to (just logically, at the SSD controller level) erase all of ...
segfault_bilibili's user avatar
0 votes
1 answer
314 views

FSTRIM for USB-SSD boot drive

I would put my Ubuntu 22.04 NVME disk into this USB 3.2 20Gbps M.2 NVMe SSD Enclosure and boot it from a USB 3.2x2 port. I know that a SSD needs to be trimmed by FSTRIM, but I also read that ...
Antonio Petricca's user avatar
0 votes
0 answers
283 views

How do fstrim and BTRFS SSD optimizations work for both SSD's in a RAID1?

First apologies if this has been asked before, but I could not find any link with any combination of keywords. My question is - How do SSD optimisations work in BTRFS in a RAID1 where both devices are ...
Vijay Gill's user avatar
0 votes
1 answer
89 views

Trim and btrfs with raid1

I know that btrfs support trim/discard, as a mount option or manually (fstrim -A). I want to made a raid1 of ssd, I will get any problem with trim?
elbarna's user avatar
  • 12.8k
1 vote
0 answers
203 views

TRIM of ssd behind raid controller

I have nfs storage with many SSDs in raid controller, for my cluster of 10 linux machines, I've used it for around 3 years, and now about 83% is used.(43T out of 55T) I haven't done any kind of TRIM ...
auditory's user avatar
  • 228
1 vote
1 answer
2k views

How to disable TRIM on SSD(s) under Linux Mint?

I rarely ever write anything (large) to SSDs on many machines of my own, an example could be the use of one laptop as a TV viewer only, another my mother's laptop, which she uses just for banking. (If ...
Vlastimil Burián's user avatar
0 votes
2 answers
347 views

Are distribution installers harming SSDs?

According to Intel, it is important that blocks not be discarded when creating a Linux filesystem on a solid state drive. The document states that the default behaviour (of mke2fs, in March 2015) is ...
EmmaV's user avatar
  • 4,087
6 votes
1 answer
8k views

Is mounting with "discard" needed for TRIM?

I was wondering whether mounting an SSD using the discard option (documented in man mount) is actually required for ATA TRIM to be sent to the SSD's controller. The evidence is a bit circumstantial: ...
Matthias Braun's user avatar
0 votes
1 answer
421 views

blkdiscard hangs on md raid 10 on PCIe SSDs

I have a running Linux 4.19 amd64 system with two PCIe SSDs that I'd like to clear, test, reformat and put in use again. All of the data has already been moved away. I've tried to trim/discard blocks ...
Zrin's user avatar
  • 341
-1 votes
1 answer
4k views

"systemctl start fstrim.timer" for ssd optimization not working on Debian 10

i just installed a 1TB kingston SSD, i cloned my HDD (with Debian 10) so nothing changed besides the performance, i want to set up TRIM for this SSD. So i've done this: $ sudo hdparm -I /dev/sda | ...
Marco's user avatar
  • 3
8 votes
3 answers
5k views

How do I check if my ssd supports fstrim?

I'm working with a linux server and wanted to know if there is a way that I can find out that my SSD supports fstrim or not. I tried hdparm -I /dev/sda, but it's not available and I can't install it. ...
Yong zhu's user avatar
5 votes
1 answer
4k views

How does the filesystem (ext4) "store" TRIM information?

It is recommended to enable a TRIM cron job which run once every week. When the fstrim command is called the filesystem will sent TRIM information to the drive to discard deleted data (I hope I get it ...
MrCalvin's user avatar
  • 699
2 votes
2 answers
7k views

Boot Error -> ipmi:dmi : Invalid offset : 0

I'm having the following error when booting my OS (Linux mint19 - mate): ipmi:dmi: Invalid offset : 0 I would appreciate if someone has more information about this. There's a ubuntu user here on ...
Vinícius Valente's user avatar
14 votes
4 answers
4k views

independently verify that TRIM indeed works on SSD

I have a LUKS partition /dev/sda1 which I luksOpen with --allow-discards: cryptsetup --allow-discards luksOpen /dev/sda1 root I then mount the ext4 filesystem with discard option: grep /dev/mapper/...
Martin Vegter's user avatar

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