Every reboot causes the secondary GPT header to become corrupt. dmesg snip... Copyright (c) 1992-2015 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 10.2-RELEASE #0 r286666: Wed Aug 12 15:26:37 UTC 2015 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 CPU: Intel(R) Core(TM) i7 CPU M 620 @ 2.67GHz (2660.06-MHz K8-class CPU) Origin="GenuineIntel" Id=0x20652 Family=0x6 Model=0x25 Stepping=2 Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS, HTT,TM,PBE> Features2=0x298e3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,AESNI> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM> AMD Features2=0x1<LAHF> VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID TSC: P-state invariant, performance statistics real memory = 8589934592 (8192 MB) avail memory = 8256385024 (7873 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: <DELL E2 > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 cpu2 (AP): APIC ID: 4 cpu3 (AP): APIC ID: 5 ACPI BIOS Warning (bug): 32/64X FACS address mismatch in FADT: 0xCF36BF40/0x00000000CF36ED40, using 64-bit address (20150515/tbfadt- 305) ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: <ST9640423AS 0001SDM1> ATA8-ACS SATA 2.x device ada0: Serial Number 5WS0JWSP ada0: 300.000MB/s transfers (SATA 2.x, cd0 at ahcich1 bus 0 scbus1 target 0 lun 0 ada0: Command Queueing enabled ada0: 610480MB (1250263728 512 byte sectors: 16H 63S/T 16383C) ada0: quirks=0x1<4K> ada0: Previously was known as ad4 GEOM: ada0: the secondary GPT table is corrupt or invalid. GEOM: ada0: using the primary only -- recovery suggested. GEOM: diskid/DISK-5WS0JWSP: the secondary GPT table is corrupt or invalid. GEOM: diskid/DISK-5WS0JWSP: using the primary only -- recovery suggested. # uname -a FreeBSD catbert.rotfl.com.au 10.2-RELEASE FreeBSD 10.2-RELEASE #0 r286666: Wed Aug 12 15:26:37 UTC 2015 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 # gpart show => 34 1250263661 ada0 GPT (596G) [CORRUPT] 34 6 - free - (3.0K) 40 1024 1 freebsd-boot (512K) 1064 1241512952 2 freebsd-ufs (592G) 1241514016 4194304 3 freebsd-swap (2.0G) 1245708320 4555375 - free - (2.2G) # gpart status Name Status Components ada0p1 CORRUPT ada0 ada0p2 CORRUPT ada0 ada0p3 CORRUPT ada0 # gpart recover ada0 ada0 recovered # gpart status Name Status Components ada0p1 OK ada0 ada0p2 OK ada0 ada0p3 OK ada0 But after a reboot, it will be corrupt again. Either the gpart recover command isn't actually rewriting the secondary GPT header, or something in the shutdown process is corrupting it.
Every reboot causes the secondary GPT header to become corrupt. dmesg snip... Copyright (c) 1992-2015 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 10.2-RELEASE #0 r286666: Wed Aug 12 15:26:37 UTC 2015 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512 CPU: Intel(R) Core(TM) i7 CPU M 620 @ 2.67GHz (2660.06-MHz K8-class CPU) Origin="GenuineIntel" Id=0x20652 Family=0x6 Model=0x25 Stepping=2 Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS, HTT,TM,PBE> Features2=0x298e3ff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1,SSE4.2,POPCNT,AESNI> AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM> AMD Features2=0x1<LAHF> VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID TSC: P-state invariant, performance statistics real memory = 8589934592 (8192 MB) avail memory = 8256385024 (7873 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: <DELL E2 > FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 cpu2 (AP): APIC ID: 4 cpu3 (AP): APIC ID: 5 ACPI BIOS Warning (bug): 32/64X FACS address mismatch in FADT: 0xCF36BF40/0x00000000CF36ED40, using 64-bit address (20150515/tbfadt- 305) ada0 at ahcich0 bus 0 scbus0 target 0 lun 0 ada0: <ST9640423AS 0001SDM1> ATA8-ACS SATA 2.x device ada0: Serial Number 5WS0JWSP ada0: 300.000MB/s transfers (SATA 2.x, cd0 at ahcich1 bus 0 scbus1 target 0 lun 0 ada0: Command Queueing enabled ada0: 610480MB (1250263728 512 byte sectors: 16H 63S/T 16383C) ada0: quirks=0x1<4K> ada0: Previously was known as ad4 GEOM: ada0: the secondary GPT table is corrupt or invalid. GEOM: ada0: using the primary only -- recovery suggested. GEOM: diskid/DISK-5WS0JWSP: the secondary GPT table is corrupt or invalid. GEOM: diskid/DISK-5WS0JWSP: using the primary only -- recovery suggested. # uname -a FreeBSD catbert.rotfl.com.au 10.2-RELEASE FreeBSD 10.2-RELEASE #0 r286666: Wed Aug 12 15:26:37 UTC 2015 root@releng1.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 # gpart show => 34 1250263661 ada0 GPT (596G) [CORRUPT] 34 6 - free - (3.0K) 40 1024 1 freebsd-boot (512K) 1064 1241512952 2 freebsd-ufs (592G) 1241514016 4194304 3 freebsd-swap (2.0G) 1245708320 4555375 - free - (2.2G) # gpart status Name Status Components ada0p1 CORRUPT ada0 ada0p2 CORRUPT ada0 ada0p3 CORRUPT ada0 # gpart recover ada0 ada0 recovered # gpart status Name Status Components ada0p1 OK ada0 ada0p2 OK ada0 ada0p3 OK ada0 But after a reboot, it will be corrupt again. Either the gpart recover command isn't actually rewriting the secondary GPT header, or something in the shutdown process is corrupting it.