Questions tagged [ssd]
A no-moving-parts all-electronic storage device which replaces a spinning hard disk drive.
556
questions
0
votes
0
answers
37
views
What are these three numbers in parenthesis next to "Power_On_Hours" in `smartctl -a` output?
Sometimes the output of the smartctl -a command shows three numbers separated by spaces in parenthesis after the value of Power_On_Hours. This can be seen in multiple previously asked questions here:
...
1
vote
1
answer
67
views
"structure needs cleaning", hardware failure?
The drive that my /home folder lives on is showing signs of failing,
and I'm trying to migrate to a new drive.
I purchased a 4TB SSD, formatted it with ext4, mounted it as an external drive with a ...
- 51
0
votes
0
answers
29
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 ...
1
vote
1
answer
22
views
SSD: `badblocks` / `e2fsck -c` vs reallocated/remapped sectors
The badblocks utility allows one to find bad blocks on a device, and e2fsck -c allows one to add such bad blocks to the bad block inode so that they will not be used for actual data. But for SSD, it ...
- 12k
0
votes
0
answers
20
views
How to reclaim SSD space during formating
I've got a "1000GB SSD"
after creating partition (aligned to 2048) I'm down to
sdd 8:48 0 931.5G 0 disk
└─sdd1 8:49 0 931.5G 0 part
which is fine, because 1GB means 1000bytes ...
- 1
1
vote
1
answer
37
views
Does LUKS disk encyption break SLC caching on QLC/TLC SSDs?
It seems that modern SSDs degrade in performance the more data they are holding.
My understanding is that this is because manufacturers put less and less storage cells on the SSDs relative to their ...
- 817
-1
votes
1
answer
22
views
Identical PCI SSDs on the computer, is there a tool I can run from a live Linux USB and physically mirror bit by bit one SSD into the other one? [closed]
They are Samsung SSD and I can use the Data Migration tool in Windows, but would prefer an option in Linux
- 111
0
votes
1
answer
119
views
How can you give a disk and a new UUID?
I just used sfdisk to clone my partition table to a new disk,
sudo sfdisk -d /dev/nvme0n1 > /tmp/part.txt
sudo sfdisk /dev/nvme1n1 < /tmp/part.txt
However, now both drives have the same uuid. ...
- 29k
2
votes
1
answer
87
views
What optimizations are turned on with the mount option "ssd"?
"Debian 12 Bookworm Minimal Install w/BTRFS
" by JustAGuy Linux at 8:28 he sets an option for ssd,
mount -o ... ssd ...
What is the option ssd? When should it be used, and when should it ...
- 29k
0
votes
1
answer
61
views
Install new SSD drive and move /opt folder to it
I have a server with two SSDs in RAID1 configuration on a centos 7.9 machine. I am running out of space on the two SSDs, because of the RAID1 configuration and the size of the /opt folder. The RAID1 ...
- 103
0
votes
0
answers
36
views
ssd issue: cannot create new partitions
I have an external ssd that had archlinux installed. It refused to boot so I tried plugging the ssd into another computer. When I tried to mount the ext4 partition it said there were issues and that ...
- 101
0
votes
1
answer
102
views
Cannot create an NVMe shared namespace and attach it to both primary and secondary controllers
I tried creating a namespace on a Samsung PM1735 NVMe SSD then attach it to primary (0x41) and secondary (0x1) controllers, but it's attaching only to the primary controller (I'm running on Ubuntu 20....
- 1
9
votes
1
answer
1k
views
Low performance of encrypted SSD
I have a 128GB Somnambulist SSD. I know this brand is one of the worst. I measured the speed using GNOME Disk Utility, and it showed a read/write speed of 420/340.
After encrypting the SSD with Debian ...
- 341
0
votes
0
answers
58
views
Newly Cloned NVMe won't boot on laptop
In my fairly old laptop running Fedora 38 I have an normal 2.5" SSD drive. The laptop has a NVMe slot so I added a NVMe drive into the laptop.
I Installed the NVMe drive into the laptop and ...
- 101
0
votes
0
answers
246
views
How to measure the role of btrfs in SSD wear on my PC?
I've used btrfs for my encrypted partitions (luks) on Samsung EVO SSDs. The disks failed faster than expected. How can I assess whether e.g. ext4 would be more reliable on these disks for my usage, or ...
- 522
0
votes
0
answers
122
views
Check if Docker volume-mounted path is on HDD or SSD?
In Linux, it is relatively easy to determine whether a drive is an HDD or SSD. However, is there a method to achieve the same result when you only have a path?
I need to check, from within a Docker ...
- 179
0
votes
1
answer
145
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 ...
- 635
1
vote
0
answers
60
views
smarctl - SSD dying due to age? other hardware fault causing SSD failure?
Trying to interpret the smartctl output from an SSD to understand if this SSD errors are a result of age or possibly other hardware errors causing the disk to fail?
Those of you who understand ...
- 111
4
votes
2
answers
489
views
Recovering accidentally deleted partition on a solid-state drive using "fdisk"
As far as I know, a solid-state drive (SSD) stores data in different locations that the operating system cannot control. If I accidentally delete a partition, and then enter the exact start and end ...
0
votes
0
answers
93
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 ...
- 101
1
vote
0
answers
130
views
How to enable hardware encryption on my Crucial MX500 drive
I have a Crucial MX500 1TB drive and it supports hardware encryption. I need to attach it to my Raspberry Pi 4 running ubuntu 20.04 and enable encryption. I also need the drive to be auto attached to ...
- 11
2
votes
0
answers
982
views
Heavy IO causes NVMe controller is down; will reset
My laptop has a Kingston KC3000 NVMe SSD which becomes unavilable during heavy IO. This is my boot drive so this issue causes Linux to crash. I have tried setting the kernel parameters nvme_core....
- 121
0
votes
0
answers
42
views
Installing M2SSD into a typeE slot?
I have manufactured an E-to-M M2 socket converter: it can be plugged into a keyE slot, and it can host a keyM device (NVME SSD).
Here is the schematic and layout I used: https://github.com/CRImier/...
- 319
2
votes
0
answers
56
views
Is there a filesystem that can maintain extra ECC data like raid5, but in the filesystem to make a fault-tolerant single external drive?
Normally to make a fault-tolerant or corruption-repairing filesystem, you use multiple drives and raid 5, or anything but raid 0.
There are also many ways to make a fault-tolerant archive file like ...
- 121
1
vote
0
answers
75
views
2TB NVMe slow in Linux only after booting Windows
My SSD is a 2TB PCIe 3.0 x4 M.2 NVMe (Mega Fastro MS200, some Korean brand, on sale under $100 in Germany). According to Windows smi_nvme_flash_id.exe utility it is a SM2262EN controller with Intel ...
- 31
0
votes
1
answer
77
views
Can't boot from SSD after it was moved into an external case
I used a SSD in an ASMT 2105 harddrive docking station connected to my Pi4 for installation (Raspbian Pi OS).
After moving the SSD into a smaller external SSD case, the Pi won't boot anymore (no ssh ...
- 246
1
vote
1
answer
57
views
KVM: how do I access information on the underlying SSD?
I have a small number of VMs in a datacenter, which run on SSDs. I'd like to get some information on the SSD for status reports (ideally, a wear level/percentage used), and to get some idea of whether ...
- 153
0
votes
1
answer
311
views
Mount external SSD without sudo
I have an external USB SSD with a single partition formatted with ext4. The PC is running Ubuntu 20.04. When I plug it and click on the button to mount it, it just gets mounted without asking any ...
- 167
0
votes
0
answers
65
views
How to check why do I get a high fan speed?
Previously I had a 128GB NVME Samsung SSD memory on my laptop. I installed Ubuntu 22.04 LTS on it and everything was great. Then I decided to improve the SSD memory to a 2TB PCI4-3500mhz NVME ...
- 158
3
votes
2
answers
373
views
Is SSD performance hindered by access to folder on SSD via symlink on conventional spinning rust HD?
I prefer to keep my OS and applications on one partition and /home/ on another.
I intend to replace the current / drive with an SSD, then symlink /home/myuser/.local/ to a directory on the SSD because ...
- 15.6k
-3
votes
1
answer
381
views
How to make a drive read-only?
how to make SSD drive read-only?
Linux, windows, and mac
and make a way to rewrite when the drive needs to update
Like rewrite CD / DVD
When boot from disk can not be modified
But as data disk on set ...
- 11
0
votes
1
answer
56
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?
- 12.1k
2
votes
1
answer
422
views
Swap logical device names of two NVME SSD drives
Is it possible to swap logical device names of two NVME SSD drives installed in a laptop (Lenovo Legion 5 Pro 2022) without phisically swapping their port positions?
I would like the current /dev/...
- 23
0
votes
1
answer
858
views
Isolating I/O issue with NVME or hardware?
Hardware:
Samsung 980 PRO M.2 NVMe SSD (MZ-V8P2T0BW) (2TB)
Beelink GTR6, with the SSD in the NVMe slot
Since the hardware arrived, I've installed Ubuntu Server on it as well as a bunch of services (...
- 101
0
votes
1
answer
309
views
FSCK Failing to fix e2fs on LVM disk image or original SSD
I have a Sandisk 1TB SDD that is in SMART Pre-fail as my boot disk on a machine running Ubuntu 22.04. Recently this disk failed to boot the machine, and is no longer mountable when removed and mounted ...
- 1
0
votes
1
answer
73
views
Does adding 1 drive to an mdadm RAID5 with SSDs require writing all disks once?
I’m going to build a new storage with a few SSDs in RAID5 under Linux’ mdadm. I am considering buying 5 or 6 SSDs now.
If I add another SSD in the future does adding it to the RAID5 require a full ...
- 498
14
votes
4
answers
8k
views
When is ext5 coming or when will ext4 be updated to support large (huge) SSDs?
There is already the Nimbus ExaDrive 100TB SSD and the 200TB SSD will come soon. As you can read here ext4 supports up to 256 TB. It's only a matter of time hardware will reach this limit.
Will they ...
- 873
1
vote
1
answer
239
views
Internal SSD not detected in boot or lsblk
I had a Linux mint system which was working fine until it froze and the "safe restart" of alt+Sysreq+REISUB didn't work, so I had to hard shutdown.
After this the bootable SSD stopped ...
- 23
1
vote
0
answers
139
views
Recover from ZFS pool with two failed SLOG devices without recreating the pool and restore?
I accidentally assigned both sides of a mirror to the same physical device. That drive failed, I recovered from a couple lost files already.
Here is the pool:
# uname -a
FreeBSD nas.d20int.d20hobbies....
- 1,173
1
vote
1
answer
629
views
What is the impact of different Linux I/O APIs on performance benchmarking of NVMe SSDs? (libaio vs SPDK vs io_uring)
I am benchmarking NVMe SSDs on my Linux server, with the aim to achieve the IOPS, BW and Latency values as mentioned in the product specifications.
I'm using FIO as workload generator, and used libaio ...
3
votes
1
answer
283
views
e2fsck deletes many inodes, recovers too little data from a disk image. Are there better methods?
I imaged a failing SSD as best I could using ddrescue or dd (it's been too long to recall which). With the resulting .img, I've burnt a disk which is not recognised as mountable.
Using e2fsck -fyvC 0 ...
- 31
2
votes
0
answers
367
views
Is there an SSD Benchmark Tool for Linux to measure speed vs time or speed vs space usage?
Most of the SSD benchmarks you see out there use solely Crystal Disk Mark for Windows on an empty SSD. This allows to show speeds of 300~550MB/s (SATAIII), which is amazing compared to most HDDs.
...
- 35
0
votes
1
answer
634
views
ata1.00 errors about a SSD
I have a new SSD, Crucial BX500, on my laptop Acer ES1-732. I have installed a Debian Bullseye distribution.
I often have some ata errors like these:
blk_update_request: I/O error, dev sda, sector ...
- 133
1
vote
1
answer
1k
views
File system goes read-only on NVMe SSD seemingly at random
I am currently running a somewhat fresh Kubuntu 22.04 install on a relatively new M.2 NVMe drive.
However, I have a problem where my computer drive (I think) turns read only, causing the system to ...
- 11
1
vote
0
answers
200
views
Is it safe to change read ahead setting on a live server
After going through Elasticsearch's documentation I realised that the recommended read ahead value is 128KiB while I am currently using 256KiB on a live server. It is only indexing data and not ...
- 11
0
votes
2
answers
70
views
How to determine what is occupying hard disk space? [duplicate]
I have a primary SSD with all my stuff and a 2nd hard drive where I install my games. The SSD has a 120 GB capacity. Until recently, only ~20GB has been used, but something has happened and now 87GB ...
0
votes
0
answers
285
views
Repair of very stubborn readonly filesystem error after sfill on SSD
I did an sfill command on an SSD, and during that connected a drive, so the Ubuntu thusly spat out some error and apparently (which I saw at next reboot) went into "read-only filesystem" ...
user546958
2
votes
1
answer
268
views
SSD health: Does free space on a LVM on LUKS volume also count as overprovisioning space?
I've read multiple times that increasing the amount of overprovisioning space on a SSD is the same as leaving some space unused. (e.g. here: "[...] storage that the operating system hasn’t ...
- 33
0
votes
1
answer
339
views
New on Linux, I m afraid I detroyed an SSD, did I? What can I do, please?
I'm new on the Linux field. I have a real big problem.
I have installed several times Linux Mint 21 on an old - but very nice computer - without any issues.
I'm not at all a beginner in the field of ...
1
vote
0
answers
163
views
Software caused connection abort
I've got an external ssd that was giving me Transport endpoint is not connected errors after a few hours of a lengthy rsync I was doing. So I set the 'advanced power options' to never power-off :
...
- 240