Hi, Good idea. I have done this now. Went and downloaded the manual and there are two DIP switches that are relevant. I quote from the manual:
------- Data Compression (switches 1 and 2) If switch 1 is ON (default), HW data compression is enabled. If switch 1 is OFF, HW data compression is disabled. If dip switch 2 is ON (default), then SCSI commands can be used to enable or disable HW data compression. To prevent HW data compression from being enabled or disabled by SCSI commands, set DIP switch 2 to OFF ------- That all sounds pretty straight forward. I turned dip switches 1 & 2 OFF so that HW compression is disabled and can't be turned on again by the software. I would hope that if I have physically set these switches, that even putting in a tape that was previously written on with compression enabled could not over-ride the DIP switch settings. I have now changed my drive to these settings and removed the stuff from /etc/stinit.def. I try to label a tape and it works fine. I then run an amcheck and still receive the same error: amcheck-server: strange amanda header: "AMANDA: T" ERROR: /dev/nst0: not an amanda tape If I do "dd bs=1k if=/dev/st0 of=stuff" and then look at the file "stuff" the first line is: AMANDA: TAPESTART DATE X TAPE daily02fri followed by a ^L char on the next line and then lots of ^@ chars (does this matter, or is it just padding ?) I have also tried running "amtapetype -c -f /dev/nst0" to effectively erase the tape prior to amlabel and amcheck, with the same results as above. I tried amcheck multiple times and again, it appears to be succesful about 5% or less of the time (took me 22 tries to get one successful). suggestions anyone ? regards, Tony. --- Dana Bourgeois <[EMAIL PROTECTED]> wrote: > Or you could check for a DIP switch and force compression off. > My Sony DDS4 > drive can start with compression either on or off and can > either be switched > under software control or locked in one mode. I locked > compression off so I > don't have this hassle. > > > Dana Bourgeois > ________________________________________________________________________ Want to chat instantly with your online friends? Get the FREE Yahoo! Messenger http://mail.messenger.yahoo.co.uk
