savecore(1M) may return "bad magic number" after changing ZFS dump device volsize
(Doc ID 2040271.1)
Last updated on APRIL 11, 2023
Applies to:
Solaris Operating System - Version 10 6/06 U2 to 10 1/13 U11 [Release 10.0]Solaris Operating System - Version 11.1 to 11.2 [Release 11.0]
Information in this document applies to any platform.
Symptoms
If the issue described in this document is encountered, executing savecore may return a message similar to the following
# savecore -vd -D .
savecore: bad magic number cccccccc, savecore: Failed to read valid dump header from dump file /dev/zvol/dsk/rpool/dump
Changes
Re-sizing /dev/zvol/dsk/rpool/dump using 'zfs set volsize=newsize rpool/dump'
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |