mountoptiondiscard

2017年5月24日—...DISCARDMOUNTOPTIONonSSD's(-onodiscard)underLinux.Here'sthequoteandlink:Link:https://www.intel.com/content/dam/support/us/en ...,Themountcommandallowsyoutomountadevicethatdoesnotsupportdiscardoperationswiththe-odiscardoption.RedHatrecommendsbatchdiscardoperations ...,2015年7月11日—Iam*far*fromanexpertonthis,butIforonehaveandwillcontinuetohavethediscardmountoptioninfstab.UNIXiss...

參考資訊如下
When and where to use rw,nofail,noatime,discard,defaults?

2017年5月24日 — ... DISCARD MOUNT OPTION on SSD's (-o nodiscard) under Linux. Here's the quote and link: Link: https://www.intel.com/content/dam/support/us/en ...

2.4. Discard Unused Blocks Red Hat Enterprise Linux 7

The mount command allows you to mount a device that does not support discard operations with the -o discard option. Red Hat recommends batch discard operations ...

[SOLVED] whether should I turn on “discard” option for ext4 ...

2015年7月11日 — I am *far* from an expert on this, but I for one have and will continue to have the discard mount option in fstab. UNIX is simple and ...

Chapter 24. Discarding unused blocks

The block discard operation communicates to the underlying storage which filesystem blocks are no longer in use by the mounted filesystem. Block discard ...

Is mounting with "discard" needed for TRIM?

2021年5月16日 — 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 ...

linux discard mount option

总之，discard 挂载选项是一种可以提高闪存设备性能的选项，但在使用时需要注意文件系统的支持以及读写性能与设备寿命之间的平衡。

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.

Trimdiscard - BTRFS documentation

Trim or discard is an operation on a storage device based on flash technology (SSD, NVMe or similar), a thin-provisioned device or could be emulated on top of ...

Exploring the Discard Mechanism of Btrfs Filesystem

2023年7月4日 — By simply adding the “discard” option when mounting the filesystem, Btrfs takes care of automatically discarding the unused data. Btrfs offers ...