zpool split on rpool returns with "Unable to split rpool: pool already exists"
(Doc ID 2031918.1)
Last updated on JANUARY 15, 2024
Applies to:
Solaris Operating System - Version 10 5/08 U5 to 11.2 [Release 10.0 to 11.0]Information in this document applies to any platform.
Apparently there are no issues with the rpool, that would prohibit us to do the split.
In this case the error message is misleading, as described in Bug ID 19308779: "Unable to split rpool: pool already exists"
Where in this case the message should be "Unable to split rpool: log device has unplayed intent logs"
For synchronous writes, ZFS uses the ZIL (ZFS Intent Log). This is a per-filesystem facility to which data is written immediately and later committed to the main pool as part of a DMU transaction group. In the event of a crash or power failure, the log is examined on reboot and data that is not committed to main pool are replayed.
Goal
Reproduction of the error, while confirming that there is not an existing zpool called rpool2:
Solution
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In this Document
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