Same disk indentifier is seen for multiple disks
Issue
- Multiple disks show same disk identifier. This is causing third party backup application to fail.
Disk /dev/mapper/3600a098038303765422b494c57323848: 161.1 GB, 161061273600 bytes, 314572800 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 65536 bytes
Disk label type: dos
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/mapper/3600a098038303765422b494c57323848p1 63 314568764 157284351 83 Linux
Partition 1 does not start on physical sector boundary.
Disk /dev/mapper/3600a09803854321f512b494d69777069: 107.4 GB, 107374182400 bytes, 209715200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 65536 bytes
Disk label type: dos
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/mapper/3600a09803854321f512b494d69777069p1 63 209712509 104856223+ 83 Linux
Partition 1 does not start on physical sector boundary.
Disk /dev/mapper/3600a098abcd0376f512b494d69777071: 107.4 GB, 107374182400 bytes, 209715200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 65536 bytes
Disk label type: dos
Disk identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/mapper/3600a098abcd0376f512b494d69777071p1 32 104857599 52428784 83 Linux
Disk /dev/mapper/3600a09801234566f512b494d69777078: 107.4 GB, 107374182400 bytes, 209715200 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 65536 bytes
Disk label type: dos
Environment
- Red Hat Enterprise Linux 7
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