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An SSD command that tells the drive which blocks of memory are no longer in use, allowing it to erase blocks containing deleted data.

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In my current setup, I have three different filesystems on two different SSDs: A FAT partition and a BTRFS partition on one drive, and ext4 on a second drive. When running fstrim, the output is ...
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It looks like my OS is set to periodically trim portable SSD drives, and TRIM is supported by my portable SSD. I connect this SSD via its usbc cable, attached to the usbc to usb3 adapter that came in ...
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After reading online I was under the impression that TRIM is not automatically (periodically) sent over to my USBconnected SSD by Fedora; but some discussions on this forum make me doubt this. Anyone ...
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I have an HDD used for archival purposes. I had to format it with NTFS to keep it accessible from Windows. I need TRIM support (because the HDD is SMR...) and NTFS can't trim without the discard ...
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On Linux, this command fstrim -av I will remove all unused blocks (particularly interesting on VM disks and necessary on SSD to preserve/get a longer duration). NetBSD has a similar command called ...
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Is possible to resize a qemu/libvirt image maintaining virtual size and at same time don't loss data? I explain better: when you create a virtual disk qemu-img create -f qcow2 debian-GEN.qcow2 60G ...
elbarna's user avatar
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I want to clopy a partition between SSD devices. Normally I could do it simply with the "dd" or "buffer" commands. However, now that I have SSDs, I also would like to miss the ...
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I don't want to display the first directory component of paths printed by the inner find command from the below example find . ! -name . -prune -type d -exec sh -c ' for dir do echo "\n\n${dir#.*/...
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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 ...
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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 ...
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Currently working on a command in AppleScript to trim weight data we receive from a scale. We receive the weight in the following format X.XXX. lb. The Xs representing numbers. We're ...
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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 ...
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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
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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
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I have the following partition table: NAME nvme0n1 ├─nvme0n1p1 part /boot └─nvme0n1p2 part └─crypt crypt ├─crypt-swap lvm [SWAP] ├...
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