Conceptboot_id
boot_id
A unique identifier generated by the operating system kernel at each boot, obtainable from /proc/sys/kernel/random/boot_id, commonly used by comparing values before and after a restart to determine whether disk state is persistent.
Timeline (last 90 days)
Oct 17
boot_id is a unique identifier generated by the OS kernel on each boot and can be read via /proc/sys/kernel/random/boot_id; a changed boot_id together with reset entries indicates the disk is instance-level ephemeral space and all records have been lost.
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