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Sometimes your system will return an error indicating that the I / O error tape is faulty. This problem can be caused by a number of reasons.
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1 answer. the belt often appears to be damaged or dirty, or the drive seat is dirty, misaligned, or damaged. The first thing to try is to run an important cleaning tape into the drive and then try to write to that tape again. If customers continue to experience media errors, try recording — on known-good tape or on great new tape.
From The Open Source Wiki Page (Amanda, MySQL Backup, BackupPC)
amdump (8) and amflush (8), or possibly any application that accesses the tape drive, are reporting I / O errors, such as:
What are input output errors?
An I / O error is a large, generic error message that appears over and over in various situations. This indicates your problem at the file system level, in particular, the main operating system cannot access a certain area of the hard disk (or virtual CD / DVD drive).
Type: Tape Weekly-002 kb 0 fm Write 0 File Marker: I / O error
Most of the tape technology drivers built into the kernel do not provide granular rollback for the application. Common EIO Errors ”) (“ I / O is a general message that something went wrong. ”This could indicate a harmless situation such as the end of a tape, or a more serious problem such as like a tape drive (see How to make the wrong diagnostics on a tape drive, poor cable routing, or even a disgruntled operator removing a tape from a running tape drive.
Amanda c It specifically estimates the size of the dump, using the length parameter as a quote to indicate the size of the tape. The dump rating can now be changed in the system to benefit at any time, and tape cartridges can contain slightly more or less tape than advertised (to help you stretch, etc.). So sometimes, given her best intentions, Amanda cancels her parents in order to end the gang. When this happens, you will often see an “I / O error” message. , right?) flush the strip each time you start Amflush or, if you have “Autoflush yes”, the next time you start Amdump.
I got 124T from Dell connected to Centos 6. And 5 can’t write to it or maybe “talk” about it. Offers ?
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lsscsi[3: 0: 6: 0] Volume IBM ULTRIUM-TD3 85P8 / dev / st0[3: 0: 6: 1] medium x DELL PV-124T 0063 / dev / sch0
Status
mtx -Fahrenheit / dev / changer-sg4 Storage changer / dev / changer-sg4: 1 drive, 8 slots (0 import / export)Data transfer element 0: full (loaded storage element 1) Memory item 1: empty
let's say mt -f / dev / st0/ dev / st0: I / O error
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mt -j / dev / st0 statSCSI-2 tape drive:File number = 0, protection number = 0,partition = 0.The stripe block size is 0 bytes. Density code 0x44 (LTO-3).Number of software errors since freeze = 0General status bits in (41010000): BOT ONLINE IM_REP_DE
tail of / var / log / messagesJuly 8, 10:54:04 AM Core: Ribbon controller st0: Block 1 limits are 16,777,215 bytes.July 8, 10:54:04 am Ribbon controller core: st0: Sense: Illegal request key [current]July 8, 10:54:04 am Ribbon controller kernel: st0: add. Value: invalid field in cdb
dmesg | grep -i scsiscsi3 `ioc1: LSI53C1020A A1, FwRev = 01032700h, Ports = 1, MaxQ = 255, IRQ = 16scsi 3: 0: 6: 0: IBM ULTRIUM-TD3 85P8 PQ: 0 ANSI: 3 sequentialscsi 3: 0: 6: 0: info blocks disabled by blacklistscsi target3: 0: 6: Start domain checkscsi target3: 0: 6: domain validation skips write testsscsi target3: 0: 6: End domain checkscsi target3: 0: 6: WIDE fast-80 SCSI 160.0 MB / s DT (12.5 ns, combat 127)scsi 3: 0: 6: 1: DELL PV-124T 0063 PQ: 0 ANSI: 2 central failover
lspci | grep -i scsi02: 08.0 SCSI storage controller: LSI Logic / Logic Symbios SAS1068 PCI-X Fusion-MPT SAS (Rev 01)0e: 08.0 SCSI storage controller: LSI Logic / Symbios Logic 53c1030 PCI-X Fusion-MPT Ultra320 Dual SCSI (Rev c1)
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Etapas Para Corrigir O Problema De Fita De Erro De E / S
Schritte Zum Beheben Des I- Und O-Fehlerbandproblems
I/O 오류 테이프 문제 해결 단계
Passaggi Per Risolvere Il Problema Del Nastro Di Errore I/O
Steg För Att åtgärda I/O-fel På Bandet
Kroki, Aby Naprawić Problem Z Taśmą Z Błędami We/wy
Étapes Pour Qu’il Corrige Le Problème De Bande D’erreur D’E/S
Действия по устранению проблемы с лентой для ошибок ввода-вывода
Pasos Para Solucionar Un Problema De Cinta De Error De E / S
Stappen Om I Per O Error Tape-probleem Op Te Lossen
