On Aug 20 13:57, bartels wrote: > On 08/20/2013 11:05 AM, Corinna Vinschen wrote: > >>...or the *partition* is at its end. Something occured to me this > >>morning. Are you using used tapes, rather than fresh ones? Are the > >>tapes you're using partitioned, by any chance, maybe because LTFS > >>partitions the tape in two partitions, one for the files and one for > >>metadata? > >> > >>This would explain the low capacity you see in mt status output. If the > >>tape is partitioned, the capacity returned by GetTapeParameters is not > >>the size of the entire tape, but the size of the current partition(*). > >>And partition 0 is probably the metadata partition. > >> > >>This also explains why you get a supposedly early ERROR_END_OF_MEDIA. > >>The partition is just not bigger. > >> > >>Try this: > >>[...] > > $ mt -f /dev/nst0 setpart 0 > > $ mt -f /dev/nst0 status 2 > > $ mt -f /dev/nst0 setpart 1 > > $ mt -f /dev/nst0 status 2 > > > >I wrote the setpart and mkpart commands before mt on Linux had them and > >naturally they are now using different strings. I'll have another look > >into mt to make it more compatible with mt on Linux. > > > > > Well, Corinna, you really saved the day. I missed the partition stuff > completely. > > $ mt -f /dev/nst0 status 2 > drive type : 56 (STK 9840) > tape capacity : 1419369472 KB remaining : 1324161024 KB > current file : -1 active partition : 1 > current block : -1 cur logical block: 195351 > General status bits on (1090000): > ONLINE IM_REP_EN HW_ECC > min block size : 2 max block size : 524288 > def block size : 131072 cur block size : 0 > density code : 58 (Ultrium LTO-5) > > > Thanks, I think we can close this one!
Glad to read that. You could do me a favor, though. At the moment I have no tape drive on any Windows machine for testing. Can you please test the new `partseek' command in mt 2.4.0 which I announced a couple of minutes ago and see if it does what it advertises in `man mt'? Thanks, Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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