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tape: fix FORMAT for LTO-4 drives

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FORMAT requires LTO-5 or newer, so we do a rewind/erase if FORMAT fails.
This commit is contained in:
Dietmar Maurer 2021-04-22 11:44:49 +02:00
parent b6c06dce9d
commit a7188b3a75
1 changed files with 11 additions and 5 deletions
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16
src/tape/drive/lto/sg_tape.rs
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@ -193,13 +193,19 @@ impl SgTape {
let mut sg_raw = SgRaw::new(&mut self.file, 16)?; let mut sg_raw = SgRaw::new(&mut self.file, 16)?;
sg_raw.set_timeout(Self::SCSI_TAPE_DEFAULT_TIMEOUT); sg_raw.set_timeout(Self::SCSI_TAPE_DEFAULT_TIMEOUT);
let mut cmd = Vec::new(); let mut cmd = Vec::new();
// Try FORMAT first (requires LTO5 or newer)
cmd.extend(&[0x04, 0, 0, 0, 0, 0]); cmd.extend(&[0x04, 0, 0, 0, 0, 0]);
sg_raw.do_command(&cmd) if let Err(err) = sg_raw.do_command(&cmd) {
.map_err(|err| format_err!("erase failed - {}", err))?; eprintln!("format failed - using erase insead: {}", err);
// try rewind/erase instead
if !fast { self.rewind()?;
self.erase_media(false)?; // overwrite everything self.erase_media(fast)?
} else {
if !fast {
self.erase_media(false)?; // overwrite everything
}
} }
Ok(()) Ok(())