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Knowledgebase : Troubleshooting > Tapedrives and Jukeboxes
During the autodetection of drives and changers, it sometimes happens that the drives are mapped in a wrong order, especially when configuring Fiber-Channel devices. The media changer accesses drives by their physical position, whereas PresSTORE "sees"...
This phenomenon affects sony AIT-4 drives with firmware version 1.01 to 1.05: After ejecting the tape, PresSTORE reads the error counters from the tape drive and finds the HardError flag on this drive to be set. Because of this, PresSTORE sets the ejec...
QUESTION: If I change the retention period on a full backup will it update the volumes accordingly ? ANSWER: The expiration date of a tape volume is changed only when a run of a backup plan uses this tape. Furthermore, it will not be reset to ...
When getting the message OPEN SD: NO SUCH DEVICE OR ADDRESS (POSIX ENXIO {NO SUCH DEVICE OR ADDRESS}) on attempting to access the tape drive or media changer, this means that the host has lost the connection to the external device. Try reboo...
EMEDIUM means that the tape unit could not correctly write a block to the tape. This can be due to either the tape being bad or the drive perhaps being dirty or faulty. You  should clean the drive (sometimes even by running the cleaning tape several tim...
After replacing a standalone tape device with a jukebox that is connected vie Fibre Channel, PresSTORE's jukebox wizard may claim that the jukebox is found while the tape drive in the jukebox is not visible. The reason for that effect is found in the ...
Verify is somewhat superfluous, since the tape drive technology itself does an automatic verify after write, and PresSTORE's job aborts if the drive delivers an an error. Although unnecessary, we have added the verify function for the user's peace of mind...
Tape changes or jukeboxes often support multiple modes of operation, namely there are modes called random mode and sequential mode. In random mode, the media changer can be fully accessed via the SCSI interface and media can be transported to and from ...
Overland reports a problem with MAC OSX 10.4.10 and an ATTO UL4S Controller with LTO3 drives and recommends to downgrade to MAC OSX 10.4.9 or MAC OSX 10.4.9. See more at: http://support.overlandstorage.com/jive/entry!default.jspa?categoryID=7&externalID...
Atto reports Problems accessing tape drives attached to a UL5D in a Intel-based MAC-Pro or X-Serve [1] Since the release of Mac OS 10.4.10, there have been a number of reported problems accessing tape drives with EMC Retrospect and other backup programs....
The operating system may under some circumstances loose the connection to the tape drive or the media changer on the SCSI bus and cannot reconnect them on its own. The following events may cause that behaviour: The door of the media changer has been open...
When running a scheduled backup, the tapes holding the data belong to at least one media pool. Usually the number of tapes is calculated to hold the required size plus a little spare room. In case some tapes are missing, the backup may end up being incomp...
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