search for: metaslab_activ

...ill the same thing. Here is the panic backtrace: Stack Backtrace ----------------- vpanic() assfail3+0xb9(fffffffff7dde5f0, 6, fffffffff7dde840, 0, fffffffff7dde820, 153) space_map_load+0x2ef(ffffff008f1290b8, ffffffffc00fc5b0, 1, ffffff008f128d88, ffffff008dd58ab0) metaslab_activate+0x66(ffffff008f128d80, 8000000000000000) metaslab_group_alloc+0x24e(ffffff008f46bcc0, 400, 3fd0f1, 32dc18000, ffffff008fbeaa80, 0) metaslab_alloc_dva+0x192(ffffff008f2d1a80, ffffff008f235730, 200, ffffff008fbeaa80, 0, 0) metaslab_alloc+0x82(ffffff008f2d1a80, ffffff008f235730, 200, ffffff008fbeaa...

...[ID 100000 kern.notice] May 22 02:18:57 ultra20 genunix: [ID 655072 kern.notice] ffffff0003d06830 genunix:assfail3+b9 () May 22 02:18:57 ultra20 genunix: [ID 655072 kern.notice] ffffff0003d068e0 zfs:space_map_load+2c2 () May 22 02:18:57 ultra20 genunix: [ID 655072 kern.notice] ffffff0003d06920 zfs:metaslab_activate+66 () May 22 02:18:57 ultra20 genunix: [ID 655072 kern.notice] ffffff0003d069e0 zfs:metaslab_group_alloc+24e () May 22 02:18:57 ultra20 genunix: [ID 655072 kern.notice] ffffff0003d06ab0 zfs:metaslab_alloc_dva+1da () May 22 02:18:57 ultra20 genunix: [ID 655072 kern.notice] ffffff0003d06b50 zfs:me...

...de0: zfs: allocating allocated segment(offset=77984887808 size=66560) 87a6185c genunix:vcmn_err+16 (3, f4571654, 87a618) 87a61874 zfs:zfs_panic_recover+28 (f4571654, 2842f400,) 87a618e4 zfs:space_map_add+13f (8cbc1e78, 2842f400,) 87a6196c zfs:space_map_load+27a (8cbc1e78, 8613b5b0,) 87a6199c zfs:metaslab_activate+44 (8cbc1c40, 0, 800000) 87a619f4 zfs:metaslab_group_alloc+22a (8c8e4d80, 400, 0, 2) 87a61a80 zfs:metaslab_alloc_dva+170 (82a7b900, 86057bc0,) 87a61af0 zfs:metaslab_alloc+80 (82a7b900, 86057bc0,) 87a61b40 zfs:zio_dva_allocate+6b (88e56dc0) 87a61b58 zfs:zio_next_stage+aa (88e56dc0) 87a61b70 zfs:z...

...fbt::space_map_seg_compare:entry''{@[stack()]=count();}'' dtrace: description ''fbt::space_map_seg_compare:entry'' matched 1 probe ^C genunix`avl_find+0x38 zfs`space_map_add+0x12c zfs`space_map_load+0x214 zfs`metaslab_activate+0x3c zfs`metaslab_group_alloc+0x1b0 zfs`metaslab_alloc_dva+0x10c zfs`metaslab_alloc+0x2c zfs`zio_dva_allocate+0x50 zfs`zio_write_compress+0x1e4 zfs`arc_write+0xbc zfs`dbuf_sync+0x6b0 z...

...001 auth.error] reboot after panic: assertion failed: ss != NULL, file: ../../common/fs/zfs/space_map.c, line: 125 The server saved a core file, and the resulting backtrace is listed below: $ mdb unix.0 vmcore.0 > $c vpanic() 0xfffffffffb9b49f3() space_map_remove+0x239() space_map_load+0x17d() metaslab_activate+0x6f() metaslab_group_alloc+0x187() metaslab_alloc_dva+0xab() metaslab_alloc+0x51() zio_dva_allocate+0x3f() zio_next_stage+0x72() zio_checksum_generate+0x5f() zio_next_stage+0x72() zio_write_compress+0x136() zio_next_stage+0x72() zio_wait_for_children+0x49() zio_wait_children_ready+0x15() zio_ne...

...called with crypt = 0 on objset = 0 panic[cpu0]/thread=ffffff0004469c80: assertion failed: sm->sm_space == space (0x20000000 == 0x1ff8a000), file: ../../common/fs/zfs/space_map.c, line: 359 ffffff00044697f0 genunix:assfail3+b9 () ffffff00044698a0 zfs:space_map_load+3a6 () ffffff00044698f0 zfs:metaslab_activate+93 () ffffff00044699b0 zfs:metaslab_group_alloc+24e () ffffff0004469a70 zfs:metaslab_alloc_dva+200 () ffffff0004469b30 zfs:metaslab_alloc+156 () ffffff0004469b90 zfs:zio_dva_allocate+10d () ffffff0004469bd0 zfs:zio_execute+bb () ffffff0004469c60 genunix:taskq_thread+1cb () ffffff0004469c70 unix:...

We are using MySQL, and love the idea of using zfs for this. We are used to using Direct I/O to bypass file system caching (let the DB do this). Does this exist for zfs? This message posted from opensolaris.org

Hi Folks, I''ve got a 3.9 Tb zpool, and it is casing kernel panics on my Solaris 10 280r (SPARC) server. The message I get on panic is this: panic[cpu1]/thread=2a100a95cc0: zfs: freeing free segment (offset=423713792 size=1024) This seems to come about when the zpool is being used or being scrubbed - about twice a day at the moment. After the reboot, the scrub seems to have