Hi Michael, Yes i am trying to add high availability to the metadata servers using Berkeley db if this is what u ask. -Yiannis
--- Στις Δευτ., 14/02/11, ο/η Michael Moore <[email protected]> έγραψε: Από: Michael Moore <[email protected]> Θέμα: Re: [Pvfs2-developers] pvfs2-cp.c returns segmentation fault Προς: "jon jon" <[email protected]> Κοιν.: "[email protected]" <[email protected]> Ημερομηνία: Δευτέρα, 14 Φεβρουάριος 2011, 16:25 Hi Yiannis, What do you mean by using replication? Is the underlying filesystem shared between the two metadata servers? Michael On Feb 14, 2011, at 8:52 AM, jon jon <[email protected]> wrote: hello all, I m using pvfs.2-8-1. I have 1 I/O server and 2 metadata servers using replication. I am on User mode. When i run pvfs2-cp it returns a segmentation fault. The file that i am trying to cp is copied successfully. After using gdb here is what i get: [Thread debugging using libthread_db enabled][New Thread 0xb7ef56c0 (LWP 31833)] Program received signal SIGSEGV, Segmentation fault.io_inspect_attr (smcb=0x9aa6610, js_p=0xbfef0c58) at src/client/sysint/sys-io.sm:2926 backtrace returned: #0 io_inspect_attr (smcb=0x8f96ba8, js_p=0xbfe99f08) at src/client/sysint/sys-io.sm:2926#1 0x08090433 in PINT_state_machine_invoke (smcb=0x8f96ba8, r=0xbfe99f08) at src/common/misc/state-machine-fns.c:132#2 0x0809077d in PINT_state_machine_next (smcb=0x8f96ba8, r=0xbfe99f08) at src/common/misc/state-machine-fns.c:309#3 0x08090301 in PINT_state_machine_continue (smcb=0x8f96ba8, r=0xbfe99f08) at src/common/misc/state-machine-fns.c:327#4 0x08090391 in PINT_state_machine_start (smcb=0x8f96ba8, r=0xbfe99f08) at src/common/misc/state-machine-fns.c:2020x080577a7 in PINT_client_state_machine_post (smcb=0x8f96ba8, op_id=0xbfe99ff0, user_ptr=0x0) at src/client/sysint/client-state-machine.c:405#6 0x080657fa in PVFS_isys_io (ref= {handle = 4611686018427386622, fs_id = 1938003253, __pad1 = 0}, file_req=0x80c8ec0, file_req_offset=0, buffer=0xb75cc008, mem_req=0x8f96968, credentials=0xbfe9a5ec, resp_p=0xbfe9a5e4, io_type=PVFS_IO_READ, op_id=0xbfe99ff0, hints=0x0, user_ptr=0x0) at src/client/sysint/sys-io.sm:346#7 0x0806598c in PVFS_sys_io (ref= {handle = 4611686018427386622, fs_id = 1938003253, __pad1 = 0}, file_req=0x80c8ec0, file_req_offset=0, buffer=0xb75cc008, mem_req=0x8f96968, credentials=0xbfe9a5ec, resp_p=0xbfe9a5e4, io_type=PVFS_IO_READ, hints=0x0) at src/client/sysint/sys-io.sm:370#8 0x0805365a in main (argc=Cannot access memory at address 0x0) at src/apps/admin/pvfs2-cp.c:340 It get a segfault in file sys-io.sm, function :unstuff_neededwhen trying to execute: first_unstuffed_offset = dist_p->methods->next_mapped_offset( dist_p->params, &fake_file_data, 0); Any help or information about what is causing this would be great. -Yiannis _______________________________________________ Pvfs2-developers mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers
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