Chapter 8 Lun Recognition; Making The Server Recognize The Luns - Fujitsu ETERNUS2000 Connection Manual

Chapter 8
8.1

Making the Server Recognize the LUNs

The following procedure is used to get the server to recognize the ETERNUS Disk storage sys-
tem LUNs.
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P3AM-4212-02ENZ0 ETERNUS2000 Disk storage systems Server Connection Guide (SAS) for Linux
LUN Recognition
Procedure
When the driver installation process is complete, shut down the OS and turn the
server power off.
Turn the ETERNUS Disk storage system power off.
Use the SAS cables to connect the Linux server to the ETERNUS Disk storage
system.
Turn the ETERNUS Disk storage system back on.
Turn the server power back on and boot the OS.
Check that the Linux server recognizes the ETERNUS Disk storage system LUNs.
At boot up, Linux automatically recognizes all SCSI disks and assigns them successive
device names starting from "sda". When assigning the device names, any internal SCSI
disks are assigned first, followed by the assignment of the ETERNUS Disk storage
systems' LUNs. Example: If there is one internal SCSI disk, it is assigned a SCSI device
name as follows:
SCSI device name by-id name (Example)
/dev/disk/by-id/scsi-
/dev/sda
36003005700026cc011251e4b0b80ac59
/dev/disk/by-id/scsi-
/dev/sdb
3600000e00d0000000001000000000000
/dev/disk/by-id/scsi-
/dev/sdc
3600000e00d0000000001000000010000
/dev/disk/by-id/scsi-
/dev/sdd
3600000e00d0000000001000000020000
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Explanation
Internal SCSI disk
ETERNUS Disk Storage
Systems' LUN
End of procedure
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