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Check that the drive has been cleaned  
Action recommended  Additional information 
Insert a cleaning cartridge into the drive and 
wait for the clean to take place. The tape is 
ejected at the end. 
Click here for information on 
clean light flashing on DAT 
Drives.  
Repeat the clean five times in total. 
 
Check for expiry of cleaning tape. 
 
Introduce a regular clean into your backup 
strategy. 
Click here for information on 
ensuring a long life for the HP 
DAT product. 
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Check for back-up software issues 
Action recommended  Additional information 
Check whether the backup scheduler 
is going off unexpectedly. 
Click here for information on the tape 
backup scheduler going off 
unexpectedly. 
Check for other common issues with 
Tapeware 6.0(XE). 
Click here for information on common 
issues with TapeWare 6.0(XE) backup 
software. 
Check that virus scanning software is 
not scheduled to run at the same time 
as the back-up. 
 
Check your network resources 
(bandwidth, run HP PAT test). 
Click here for information on 
performance troubleshooting and using 
performance assessment tools. 
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Check you can format a tape 
Action recommended  Additional information 
Try and format a tape. 
 
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Check IRQ assigning