Sunday, July 17, 2016


sg_map got stuck on Linux media server

[root@adc12osbmed01 by-id]# sg_map -i -x
Strange, could not find device /dev/nst0 mapped to sg device??
Strange, could not find device /dev/nst2 mapped to sg device??
device /dev/nst5 failed on scsi ioctl(idlun), skip: Input/output error
Strange, could not find device /dev/nst7 mapped to sg device??
Strange, could not find device /dev/nst8 mapped to sg device??
Strange, could not find device /dev/nst11 mapped to sg device??
Strange, could not find device /dev/nst12 mapped to sg device??
Strange, could not find device /dev/nst13 mapped to sg device??
Strange, could not find device /dev/nst14 mapped to sg device??
Strange, could not find device /dev/nst15 mapped to sg device??
Strange, could not find device /dev/nst16 mapped to sg device??
/dev/sg0  0 0 0 0  0  /dev/sda  HITACHI   H103014SCSUN146G  A2A8
/dev/sg1  0 0 1 0  0  /dev/sdb  HITACHI   H103014SCSUN146G  A2A8
/dev/sg2  0 0 2 0  0  /dev/sdc  ATA       SEAGATE ST95000N  SF03
/dev/sg3  0 0 3 0  0  /dev/sdd  ATA       SEAGATE ST95000N  SF03
/dev/sg4  0 0 4 0  0  /dev/sde  ATA       SEAGATE ST95000N  SF03
/dev/sg5  0 0 5 0  0  /dev/sdf  ATA       SEAGATE ST95000N  SF03
/dev/sg6  0 0 6 0  0  /dev/sdg  ATA       SEAGATE ST95000N  SF03
/dev/sg7  0 0 7 0  0  /dev/sdh  ATA       SEAGATE ST95000N  SF03
/dev/sg8  -2 -2 -2 -2  -2
/dev/sg9  7 0 1 0  1  /dev/nst1  HP        Ultrium 5-SCSI    I59S
/dev/sg10  -2 -2 -2 -2  -2
/dev/sg11  7 0 3 0  1  /dev/nst3  HP        Ultrium 5-SCSI    I3CS
/dev/sg12  7 0 4 0  1  /dev/nst4  HP        Ultrium 5-SCSI    I3CS
/dev/sg13  -2 -2 -2 -2  -2
/dev/sg14  8 0 1 0  1  /dev/nst6  HP        Ultrium 5-SCSI    I3CS
/dev/sg15  -2 -2 -2 -2  -2
/dev/sg16  -2 -2 -2 -2  -2
/dev/sg17  8 0 4 0  1  /dev/nst9  HP        Ultrium 5-SCSI    I3CS
/dev/sg18  8 0 5 0  1  /dev/nst10  HP        Ultrium 5-SCSI    I3CS
/dev/sg19  -2 -2 -2 -2  -2
/dev/sg20  -2 -2 -2 -2  -2
/dev/sg21  -2 -2 -2 -2  -2
/dev/sg22  -2 -2 -2 -2  -2
/dev/sg23  -2 -2 -2 -2  -2
/dev/sg24  -2 -2 -2 -2  -2
/dev/sg25  -2 -2 -2 -2  -2
/dev/sg26  9 0 0 0  5  /dev/scd0  TEAC      DV-W28SS-R        1.0C

Sg_map is fine. Dismounted one bad media. cancelled one job and refired. Re-added the scsi for Errored  drives. Ran the inventory. Except one drive all the drives seems to be okay.

sg_scan would do..

[root@adc12osbmed01 ~]# sg_map -i -x
/dev/sg0  0 0 0 0  0  /dev/sda  HITACHI   H103014SCSUN146G  A2A8
/dev/sg1  0 0 1 0  0  /dev/sdb  HITACHI   H103014SCSUN146G  A2A8
/dev/sg2  0 0 2 0  0  /dev/sdc  ATA       SEAGATE ST95000N  SF03
/dev/sg3  0 0 3 0  0  /dev/sdd  ATA       SEAGATE ST95000N  SF03
/dev/sg4  0 0 4 0  0  /dev/sde  ATA       SEAGATE ST95000N  SF03
/dev/sg5  0 0 5 0  0  /dev/sdf  ATA       SEAGATE ST95000N  SF03
/dev/sg6  0 0 6 0  0  /dev/sdg  ATA       SEAGATE ST95000N  SF03
/dev/sg7  0 0 7 0  0  /dev/sdh  ATA       SEAGATE ST95000N  SF03
/dev/sg8  7 0 0 0  1  /dev/nst0  HP        Ultrium 5-SCSI    I3CS
/dev/sg9  7 0 1 0  1  /dev/nst1  HP        Ultrium 5-SCSI    I59S
/dev/sg10  7 0 2 0  1  /dev/nst2  HP        Ultrium 5-SCSI    I3CS
/dev/sg11  7 0 3 0  1  /dev/nst3  HP        Ultrium 5-SCSI    I3CS
/dev/sg12  7 0 4 0  1  /dev/nst4  HP        Ultrium 5-SCSI    I3CS
/dev/sg13  -2 -2 -2 -2  -2
/dev/sg14  8 0 0 0  1  /dev/nst5  HP        Ultrium 5-SCSI    I3CS
/dev/sg15  8 0 1 0  1  /dev/nst6  HP        Ultrium 5-SCSI    I3CS
/dev/sg16  8 0 2 0  1  /dev/nst7  HP        Ultrium 5-SCSI    I3CS
/dev/sg17  8 0 3 0  1  /dev/nst8  HP        Ultrium 5-SCSI    I3CS
/dev/sg18  8 0 4 0  1  /dev/nst9  HP        Ultrium 5-SCSI    I3CS
/dev/sg19  8 0 5 0  1  /dev/nst10  HP        Ultrium 5-SCSI    I3CS
/dev/sg20  8 0 6 0  1  /dev/nst11  HP        Ultrium 5-SCSI    I59S
/dev/sg21  8 0 7 0  1  /dev/nst12  HP        Ultrium 5-SCSI    I59S
/dev/sg22  8 0 8 0  1  /dev/nst13  HP        Ultrium 5-SCSI    I59S
/dev/sg23  8 0 9 0  1  /dev/nst14  HP        Ultrium 5-SCSI    I59S
/dev/sg24  8 0 10 0  1  /dev/nst15  HP        Ultrium 5-SCSI    I59S
/dev/sg25  8 0 11 0  1  /dev/nst16  HP        Ultrium 5-SCSI    I59S
/dev/sg26  9 0 0 0  5  /dev/scd0  TEAC      DV-W28SS-R        1.0C

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