I have a problem with one of my zfs pools everytime I import it I get the error below. I can not destroy it because it will not allow me to import. I have tried trashing the cache file but did not help, is there a way to destory the config then i can start over??? Also up to date on patches, thanks Andy panic[cpu65]/thread=2a104299cc0: assertion failed: dmu_read(os, smo->smo_object, offset, size, entry_map) == 0 (0x5 == 0x0), file: ../../common/fs/zfs/space_map.c, line: 307 000002a104299000 genunix:assfail3+94 (7b3866c8, 5, 7b386708, 0, 7b386710, 133) %l0-3: 0000000000002000 0000000000000133 0000000000000000 00000000018da400 %l4-7: 0000000000000000 00000000018a8000 00000000011ee000 0000000000000000 000002a1042990c0 zfs:space_map_load+1a4 (6000aaae378, 70968058, 1000, 6000aaae048, 3c8000000, 1) %l0-3: 0000000000001050 000006000a20b000 0000000000000000 000000007b354ad0 %l4-7: 000000007b35486c 00007fffffffffff 0000000000007fff 0000000000001000 000002a104299190 zfs:metaslab_activate+3c (6000aaae040, 4000000000000000, c000000000000000, 131fce64, 6000aaae040, c0000000) %l0-3: 000000007b386000 0000000000000000 00000000f806a600 0000000000000000 %l4-7: 0000000070968000 0000060009c65240 000006000a7a0fc0 000006000a909c88 000002a104299240 zfs:metaslab_group_alloc+1bc (9fe68000, 200, 4000000000000000, 9fe68000, 6000a398c08, ffffffffffffffff) %l0-3: 0000000000000002 000006000a909c90 0000000000000001 000006000aaae040 %l4-7: 8000000000000000 0000000000000000 000000004ff34000 000006000a398c28 000002a104299320 zfs:metaslab_alloc_dva+114 (0, 9fe68000, 6000a398c08, 200, 6000a7a0fc0, 88a5) %l0-3: 0000000000000001 0000000000000002 0000000000000003 0000060009ca5ea8 %l4-7: 0000000000000000 000006000a909c88 0000000000000000 000006000a909c88 000002a1042993f0 zfs:metaslab_alloc+2c (0, 200, 6000a398c08, 3, 88a5, 0) %l0-3: 000006000a398c68 000006000a317000 00000000709686a0 0000000000000000 %l4-7: 000006000a4953be 0000000000000002 0000060009c65240 0000000000000001 000002a1042994a0 zfs:zio_dva_allocate+4c (6000a3d3200, 7b3675a8, 6000a398c08, 70968508, 70968400, 20001) %l0-3: 0000000070968400 0000070300000001 0000070300000001 0000000000000000 %l4-7: 0000000000000000 0000000001913800 0000000000000003 0000000000000007 000002a104299550 zfs:zio_write_compress+1ec (6000a3d3200, 23e20b, 23e000, 10001, 3, 6000a398c08) %l0-3: 000000000000ffff 0000000000000000 0000000000000001 0000000000000200 %l4-7: 0000000000000000 0000000000010000 000000000000fc00 0000000000000001 000002a104299620 zfs:zio_wait+c (6000a3d3200, 60009c65240, 7, 6000a3d3460, 3, 88a5) %l0-3: ffffffffffffffff 000000007b33f7d0 000006000a398bc0 0000060009fffcf0 %l4-7: 000002a1042997c0 0000000000000002 0000000000000002 0000060009ffd908 000002a1042996d0 zfs:dmu_objset_sync+12c (6000a398bc0, 60009eae1c0, 1, 1, 60009fffcf0, 0) %l0-3: 000006000a398c08 ffffffffffffffff 000000000000000e 0000000000004fd1 %l4-7: 000006000a398cc0 0000000000000020 000006000a398ca0 000006000a398d20 000002a1042997e0 zfs:dsl_dataset_sync+c (600060321c0, 60009eae1c0, 60006032250, 600071b3378, 600071b3378, 600060321c0) %l0-3: 0000000000000001 0000000000000007 00000600071b33f8 0000000000000001 %l4-7: 0000060006032248 0000000000000000 00000600071b4168 0000000000000000 000002a104299890 zfs:dsl_pool_sync+64 (600071b32c0, 88a5, 600060321c0, 60009f46480, 6000a3ff4c0, 6000a3ff4e8) %l0-3: 0000000000000000 0000060009c65600 0000060009eae1c0 00000600071b3458 %l4-7: 00000600071b3428 00000600071b33f8 00000600071b3368 000006000a3d3200 000002a104299940 zfs:spa_sync+1b0 (60009c65240, 88a5, 0, 0, 2a104299cc4, 1) %l0-3: 0000000001914788 0000000000000000 0000060009c65328 0000060009f46480 %l4-7: 0000000000000000 000006000a7a1500 00000600071b32c0 0000060009c653c0 000002a104299a00 zfs:txg_sync_thread+134 (600071b32c0, 88a5, 0, 2a104299ab0, 600071b33d0, 600071b33d2) %l0-3: 00000600071b33e0 00000600071b3390 0000000000000000 00000600071b3398 %l4-7: 00000600071b33d6 00000600071b33d4 00000600071b3388 00000000000088a6 syncing file systems... 6 4 done dumping to /dev/md/dsk/d1, offset 215744512, content: kernel 100% done: 94326 pages dumped, compression ratio 5.71, dump succeeded rebooting... Resetting... --- Andrew Dishong Solutions Architect Email: andrew.dishong at sun.com Access Line: 877.226.8297 Cell: 303-808-5884 Text Page: 3038085884 at mmode.com Personal WebPage: http://webhome.central/adishong