Date: Thu, 10 Apr 2003 19:54:01 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Brandon Hagedorn <bhagedor@iastate.edu> Cc: freebsd-questions@freebsd.org Subject: Re: DDS3 not backing up full amount Message-ID: <20030411005400.GQ30909@dan.emsphone.com> In-Reply-To: <007901c2ffba$94601540$33477140@dakine> References: <007901c2ffba$94601540$33477140@dakine>
next in thread | previous in thread | raw e-mail | index | archive | help
In the last episode (Apr 10), Brandon Hagedorn said: > Have a question about dds3 tape drives... I have a SONY SDT-9000 and > when I use this command "tar c backup/ --totals" I get this message when > the backup contains around 11.4 GB of files, here is the message > "Total Bytes written 10612029440 (9.9GB, 994Kb/s) tar:/dev/sa0: Wrote > only 0 of 10240 bytes tar: error is not recoverable: exiting now" > > Was wondering why it's only going to 9.9 GB when the tapes are 12/24GB? > I've tried 4 different (new) tapes and tried backing up 40GB of data ( > which I knew it wouldn't backup the whole thing). The same thing > happens, stops at the 9.9GB point. Try using a larger blocksize. Tar defaults to 10k which is pretty small. Try 64k (the max FreeBSD can do): "tar cb 128 backup/ --totals" -- Dan Nelson dnelson@allantgroup.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030411005400.GQ30909>