fstabdiscard

Thiscommanddiscardsallunusedblocksinafilesystemthatmatchtheuser'scriteria.Onlinediscardoperationsarespecifiedatmounttime,eitherwiththe ...,4天前—Thisway,thereisnoneedtoedit/etc/fstaboneverymachine....Warning:Thediscardoptionallowsdiscardrequeststobepassedthroughthe ...,2021年5月16日—Ifthefilesystemismountedwithdiscard,thendeletingfileswillautomaticallycausetheTRIMcommandtobeissued.,2021年3月24...

參考資訊如下
2.4. Discard Unused Blocks Red Hat Enterprise Linux 7

This command discards all unused blocks in a file system that match the user's criteria. Online discard operations are specified at mount time, either with the ...

Solid state drive

4 天前 — This way, there is no need to edit /etc/fstab on every machine. ... Warning: The discard option allows discard requests to be passed through the ...

Is mounting with "discard" needed for TRIM?

2021年5月16日 — If the filesystem is mounted with discard , then deleting files will automatically cause the TRIM command to be issued.

Enable DiscardTrim for your SSD

2021年3月24日 — Finally, you need to enable discard for all of your ext4 partitions: simply add the discard option to /etc/fstab . Note that swap on a swap ...

Is "discard=async" a supported fstab mount option for Ext4 ...

2023年5月25日 — As far as I can tell, discard=async is btrfs-specific and fairly new. It was initially introduced in 2019, and became the default in Linux 6.2.

fstab

2012年6月10日 — My answer here mentions the why, but for the specific reasons to not enable it by default, comes down to several important factors that ...

Chapter 23. Discarding unused blocks

Discarding unused blocks. You can perform or schedule discard operations on block devices that support them. The block discard operation communicates to the ...

When and where to use rw,nofail,noatime,discard,defaults?

2017年5月24日 — I am using OpenStack Cloud and using LVM on RHEL 7 to manage volumes. As per my use case, I should be able to detach and attach these volumes to ...

Linux 下启用SSD TRIM 功能

Controls whether ext4 should issue discard/TRIM. commands to the underlying block device when blocks are freed. Periodic TRIM. util-linux 中自带了fstrim 工具（ ...

Should I set discard into my fstab?

2021年1月19日 — Hello together, some days ago I installed manjaro kde on my new laptop. All works fine, but I have one Question: Should I put the discard ...