Re: 20GB 8MM tape drive on RS6000: Best settings?

In article <01bddabf$d6c538e0$e2978318@irwin.ce.mediaone.net>, irwinNOSPAM@NOSPAMobjectsoft.comNOSPAM (Irwin Goldstein) wrote: > I just completed an install of a 20GB (40GB compressed) external 8MM > differential SCSI tape drive on a RS6000/J40. I configured it for a > blcok > size of 64K through SMIT (it had defualted to 1K) and set the Informix > tape > block size to match. A level 0 archive which used to take 3.5 hours on > an > internal 5GB 8MM drive finished in just under a half hour! (About 10GB.) > While I am quite pleased with the results, I'm also a bit skeptical. > > Has anyone had experience with this tape drive with Informix? Are the > settings I used actually working? At some point in the near future I > intend to restore the level 0 to another machine as a test, but in the > meantime confirmation from someone else who has used/is using this drive > would be nice. Yes, I've used this tape drive but set the block size to 0 within Smit and left the rest to Informix, worked ok, but didn't do any real performance testing apart from checking the device was continuously writing. Paul Watson # I don't suffer from WF Software Ltd. # stress, I'm just Tel. (+44) 1436 674729 # a carrier Fax. (+44) 1436 678693 #