CONFIG_MD_BITMAP: MD RAID bitmap support

General informations

The Linux kernel configuration item CONFIG_MD_BITMAP:

• prompt: MD RAID bitmap support
• type: bool
• depends on: CONFIG_BLK_DEV_MD
• defined in drivers/md/Kconfig
• found in Linux kernels: 6.18-rc+HEAD

Help text

If you say Y here, support for the write intent bitmap will be enabled. The bitmap can be used to optimize resync speed after power failure or readding a disk, limiting it to recorded dirty sectors in bitmap.

This feature can be added to existing MD array or MD array can be created with bitmap via mdadm(8).

If unsure, say Y.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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