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PowerPath Checklist — New Linux Server and Existing Storage System
3-19
Linux Installation Checklist
12 Storage System
Configure
❑
If the server will use an
existing
Storage Group, use Navisphere
Manager to connect the server to
the Storage Group.
Navisphere Manager
administrator’s guide
and online help
❑
If the server will use a
new
Storage Group, use Navisphere
Manager to create RAID Groups,
bind LUNs, create the Storage
Group, and assign LUNs to the
Storage Group.
❑
Use Navisphere Manager to
connect the server to a Storage
Group.
❑
Reload the driver (if the driver is
loaded as a module) or reboot the
server (if the driver is static to the
kernel) so that Linux recognizes
the LUNs.
Now the LUNs in the Storage
Group look like any other disks in
the server.
❑
Reload the driver (if the driver is
loaded as a module) or reboot the
server (if the driver is static to the
kernel) so that Linux recognizes
the LUNs.
Now the LUNs look like any other
disks in the server.
HBA documentation
❑
Checkpoint - Make sure all LUNs
have entries in the
/proc/scsi/scsi file and in the
directory for the HBAs in the
/proc/scsi directory.
If all LUN entries are missing from
the file, verify the zoning. If only
some LUNs are missing, use
Navisphere Manager to check
that the LUNs are assigned to the
server’s Storage Group.
❑
Checkpoint - Make sure all LUNs
have entries in the
/proc/scsi/scsi file and in the
directory for the HBAs in the
/proc/scsi directory.
If all LUN entries are missing from
the file, verify the zoning. If only
some LUNs are missing, use
Navisphere Manager to check
that the LUNs are assigned to the
server’s Storage Group.
Linux documentation
For an FC4500 storage system
❑
Disconnect the computer from the
serial port on the storage system.
For an FC4500 storage system
❑
Disconnect the computer from the
serial port on the storage system.
Storage-system setup
guide
13 Server
Prepare Server
for PowerPath
❑
Make sure you have 128 sd and
sg devices in the /dev directory.
❑
Make sure you have 128 sd and
sg devices in the /dev directory.
PowerPath for Linux
installation guide
❑
Ensure that the PowerPath
driver’s major numbers (232-239)
are not already in use.
❑
Ensure that the PowerPath
driver’s major numbers (232-239)
are not already in use.
Task
With Access Logix Without Access Logix Reference Document