I'm wondering if I'm interpreting the log output correctly. I maxed out the verbose level, and got that bpbkar_path_tr created. I see the following...
03:42:44.945 PM: [2184.3148] <2> tar_backup::backup_startfile_state: TAR - Backup: U:\Shared\Apps\data\CMO
03:42:44.945 PM: [2184.3148] <2> tar_base::V_vTarMsgM: DIR - 456 6 54 38 16832 root root 0 1264105013 1263938793 925837900 /U/Shared/Apps/data/CMO/
03:42:44.945 PM: [2184.3148] <2> dtcp_write: TCP - success: send socket (700), 107 of 107 bytes
03:42:44.945 PM: [2184.3148] <2> tar_backup::backup_startfile_state: TAR - Backup: U:\Shared\Apps\data\CMO\spools
03:42:44.960 PM: [2184.3148] <2> tar_base::V_vTarMsgM: DIR - 456 7 59 47 16832 root root 0 1264106564 1245855951 1156728366 /U/Shared/Apps/data/CMO/spools/
03:42:44.960 PM: [2184.3148] <2> dtcp_write: TCP - success: send socket (700), 117 of 117 bytes
03:42:44.976 PM: [2184.3148] <2> tar_backup::backup_startfile_state: TAR - Backup: U:\Shared\Apps\data\CMO\spools\gnma.hsp
03:42:44.976 PM: [2184.3148] <2> dtcp_write: TCP - success: send socket (900), 32768 of 32768 bytes
03:42:44.976 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 4 of 4 bytes
03:42:44.976 PM: [2184.3148] <4> bpio::read_string: INF - read non-blocking message of length 1
03:42:44.976 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 1 of 1 bytes
03:42:44.976 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 4 of 4 bytes
03:42:44.976 PM: [2184.3148] <4> bpio::read_string: INF - read non-blocking message of length 1
03:42:44.976 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 1 of 1 bytes
03:42:44.976 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 4 of 4 bytes
03:42:44.976 PM: [2184.3148] <4> bpio::read_string: INF - read non-blocking message of length 1
[ those last messages are repeated over and over, until I get....]
03:42:46.804 PM: [2184.3148] <4> bpio::read_string: INF - read non-blocking message of length 8960
03:42:46.804 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 4303 of 8960 bytes
03:42:46.804 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 4657 of 4657 bytes
03:42:46.914 PM: [2184.3148] <2> dtcp_write: TCP - success: send socket (900), 32768 of 32768 bytes
03:42:46.914 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 4 of 4 bytes
03:42:46.914 PM: [2184.3148] <4> bpio::read_string: INF - read non-blocking message of length 68096
03:42:46.914 PM: [2184.3148] <2> dtcp_read: TCP - success: recv socket (516), 40189 of 68096 bytes
03:43:46.921 PM: [2184.3148] <4> bpio::bread: INF - read timeout
03:43:46.921 PM: [2184.3148] <4> tar_base::V_vTarMsgW: INF - tar message received from tar_backup::backup_data_state
03:43:46.921 PM: [2184.3148] <2> tar_base::V_vTarMsgW: FTL - tar file write error (40)
Seems to timeout after 1 minute. I excluded the mbspools subdirectory, and I still get 14s on the incr.