rewinding a disk drive takes too long

From: Randy Bush <randy_at_psg.com> Date: Sat, 17 Jan 2004 21:55:53 +0000 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:37:38 UTC

dumping to a remote disk a la

    /sbin/rdump 0Luaf foo.bar:/backup/usr /dev/ad0s3g


  DUMP: 78.67% done, finished in 1:01
  DUMP: 80.41% done, finished in 0:56
  DUMP: 82.15% done, finished in 0:51
  DUMP: 83.89% done, finished in 0:46
  DUMP: 85.64% done, finished in 0:41
  DUMP: 87.37% done, finished in 0:36
  DUMP: 89.11% done, finished in 0:31
  DUMP: 90.85% done, finished in 0:26
  DUMP: 92.58% done, finished in 0:21
  DUMP: 94.31% done, finished in 0:16
  DUMP: 96.05% done, finished in 0:11
  DUMP: 97.79% done, finished in 0:06
  DUMP: 99.54% done, finished in 0:01
  DUMP: 101.28% done, finished in 0:-3   <<<<<<<<<========
  DUMP: DUMP: 7473583 tape blocks on 1 volume
  DUMP: finished in 17662 seconds, throughput 423 KBytes/sec
  DUMP: level 0 dump on Sat Jan 17 08:07:13 2004
  DUMP: Closing /d1/backup/roam/usr
  DUMP: DUMP IS DONE

that seems a long time to rewind a disk file :-)

and it paused at 0:01 for at least five minutes

randy