Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Sat Nov 19 16:57:06 GMT 1994 Year: 94 Doy: 323 Observer: koon WEATHER COMMENT: Sat Nov 19 16:57:11 GMT 1994 Scattered cirrus, wind 5-10 mph from the southeast, temp 35 F. Sat Nov 19 17:02:18 GMT 1994: Patrol Start LOW-L COMMENT: Sat Nov 19 17:05:35 GMT 1994 Removed L00133 and replaced with L00135 in drive #1. Sat Nov 19 18:00:04 GMT 1994: Calibration MKIII COMMENT: Sat Nov 19 18:47:07 GMT 1994 Cirrus came in to ruin the calibration. Sat Nov 19 19:03:02 GMT 1994: Calibration WEATHER COMMENT: Sat Nov 19 19:10:58 GMT 1994 Lots of cirrus coming over from the west. MKIII COMMENT: Sat Nov 19 19:11:28 GMT 1994 Calibration is no good, but I saved a History file from the earlier scan. I'll let the instrument run in case some good data gets through the holes. Sat Nov 19 20:00:02 GMT 1994: Calibration Sat Nov 19 21:02:57 GMT 1994: Calibration Sat Nov 19 22:00:04 GMT 1994: Calibration Sat Nov 19 22:02:57 GMT 1994: Patrol End DPMON COMMENT: Sat Nov 19 22:03:55 GMT 1994 Had another I/O Error (Media Error) tape: I/O error WARNING: /sbus@1,f8000000/esp@0,800000/st@4,0 (st4): Error for command 'write' Error Level: Fatal Requested Block 1894789, Eror Block: 31621 Sense Key: Media Error Vendor 'EXABYTE': ASC = 0x3 (write fault), ASCQ = 0x2, FRU = 0x0 tape write -1 tape: I/O error Copy of repetitive message is above. Will reboot and install new tape. Sat Nov 19 22:08:27 GMT 1994: Filemark Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Sat Nov 19 22:24:40 GMT 1994 Year: 94 Doy: 323 Observer: chu Sat Nov 19 22:26:27 GMT 1994: Patrol Start DPMON COMMENT: Sat Nov 19 22:26:36 GMT 1994 Dpmon rebooted and running normally. Still under extensive thick patches of cirrus. Sat Nov 19 23:00:04 GMT 1994: Calibration Sat Nov 19 23:14:57 GMT 1994: Patrol End DPMON COMMENT: Sat Nov 19 23:15:08 GMT 1994 Got another exabyte media error. Pausing obs for a while to see if it will correct itslef. Sat Nov 19 23:22:35 GMT 1994: Patrol Start Sat Nov 19 23:23:41 GMT 1994: Patrol End DPMON COMMENT: Sat Nov 19 23:30:42 GMT 1994 Idling exabyte then restarting patrol didn't correct tape write error. Will power down Sparc station and exabyte drive for a few minutes then attempt a reboot. Recycling current tape since no good data taken since last reboot. Sat Nov 19 23:32:38 GMT 1994: Filemark Mauna Loa Solar Observatory Observer's Log ----------------------------------------------------------------------------- Sat Nov 19 23:50:44 GMT 1994 Year: 94 Doy: 323 Observer: chu Sat Nov 19 23:52:27 GMT 1994: Patrol Start Sun Nov 20 00:01:57 GMT 1994: Calibration DPMON COMMENT: Sun Nov 20 00:05:55 GMT 1994 Complete recycling of Sparc station and exabyte drive appears to have sucessfully corrected the tape write error. LOW-L COMMENT: Sun Nov 20 00:07:02 GMT 1994 Low-l has just crashed. Will remove current tape L00134 from unit 0, move L00135 from unit 1 to unit 0, place L00136 into unit 1, and attempt reboot. LOW-L COMMENT: Sun Nov 20 00:19:19 GMT 1994 Low-l up and running again. DPMON COMMENT: Sun Nov 20 00:37:58 GMT 1994 Tape error appearing again. Will halt obs and try to confer with EAY. Sun Nov 20 00:40:03 GMT 1994: Patrol End WEATHER COMMENT: Sun Nov 20 01:25:08 GMT 1994 Now under thick orographic clouds. WEATHER COMMENT: Sun Nov 20 01:42:11 GMT 1994 Dark low clouds consistantly blocking FOV. Will pause obs with MKIII now. WEATHER COMMENT: Sun Nov 20 02:00:53 GMT 1994 Now in ground fog. Closing dome. WEATHER COMMENT: Sun Nov 20 03:37:47 GMT 1994 Finally managed to get in touch with EAY. He suggested manually cleaning tape head with foam swab and cleaning fluid. Will test whether or not it worked in a minute. Haven't had any good weather since am shift. Orographic clouds and thick deck of cirrus have prevented clear viewing. Will recycle second Dpmon tape. PAU. Activity Report: QP: 40; 130; 245; 256; 301; 307. No Coronal Activity Tapes: MKIII: H00889 DPMON: P00211 LOW-L: L00135 running in unit 0 Sun Nov 20 03:39:39 GMT 1994: Filemark SCAN-LOG SCAN-LOG 17:05:39. 11/19/94 DOY 323 17:17:34 17:20:51 17:24:07 17:27:25 17:30:42 17:33:59 17:37:13 17:40:29 17:43:44 17:46:59 17:50:13 17:53:28 17:56:41 17:59:55 18:03:08 18:06:22 18:09:36 1816 0 CL 18:19:32 1839 15CL 19:13:51 19:17:13 19:20:25 19:23:39 19:26:53 19:30:06 19:33:18 19:36:32 19:39:44 19:42:57 19:46:08 19:49:21 19:52:33 19:55:45 19:58:56 20:02:08 20:05:20 20:08:32 20:11:43 20:14:55 20:18:06 20:21:19 20:24:30 20:27:43 20:30:54 20:34:07 20:37:18 20:40:31 20:43:42 20:46:55 20:50:07 20:53:19 20:56:31 20:59:44 21:02:55 21:06:08 21:09:19 21:12:31 21:15:43 21:18:55 21:22:06 21:25:19 21:28:30 21:31:43 21:34:55 21:38:07 21:41:19 21:44:31 21:47:43 21:50:55 21:54:07 21:57:19 22:00:31 22:03:43 22:06:55 22:10:07 22:13:19 22:16:32 22:19:44 22:22:56 22:26:08 22:29:21 22:32:32 22:35:45 22:38:56 22:42:09 22:45:20 22:48:33 22:51:44 22:54:57 22:58:08 23:01:21 23:04:32 23:07:45 23:10:56 23:14:09 23:17:20 23:20:33 23:23:44 23:26:57 23:30:08 23:33:22 23:36:33 23:39:46 23:42:57 23:46:10 23:49:22 23:52:34 23:55:46 23:58:58 0:02:10 0:05:23 0:08:35 0:11:47 0:14:59 0:18:11 0:21:23 0:24:35 0:27:46 0:30:58 0:34:09 0:37:21 0:40:32 0:43:44 0:46:55 0:50:06 0:53:17 0:56:29 0:59:39 1:02:51 1:06:01 1:09:12 1:12:23 1:15:34 1:18:44 1:21:55 1:25:06 1:28:18 1:31:28 1:34:40 1:37:50 1:41:02 0 ERRORS OK