Infortrend storage array configuration for PDB RACs
Each disk array supposed to be used with RAC installation should be configured in the following way:
- Go to the proper head node. Although there are 2 head nodes per each bunch of hardware, only one of them can be use to connect through console to each itstorXYZ disk array:
RAC1:
RAC2:
RAC3:
lxc2r004.cern.ch: itstor301 -> itstor330
RAC4:
lxc1r009.cern.ch: itstor401 -> itstor415
lxc2r009.cern.ch: itstor416 -> itstor430
- Connect through console to the node being configured:
console itstorXYZ
- Change disk array's IP address to 192.168.X.1YZ. Do not restart the controller:
Terminal -> view and edit Configuration parameters -> Communication Parameters
-> Internet Protocol (TCP/IP) -> lan0 -> Set IP Address
8. Restart the controller
Terminal -> system Functions -> Reset controller
- Connect with ftp to the disk array and upload the 'agent.ini' file. In order to connect use the IP address set above:
ftp 192.168.X.1YZ
[user=root pass=<cr>(empty) ]
bin
pass
cd /cfg
put agent.ini
bye
- Restart the controller one more time.
Manual configuration of the array, it is now scripted - listed here for reference
4. Change the optimization mode to Random I/O:
Terminal -> view and edit Configuration parameters -> Caching Parameters
then chose 'Optimization for Sequential I/O' position in the menu and 'Yes' afterwards.
- Unmap host luns from both channels if they are mapped:
Terminal -> vew and edit Host luns -> CHL 0/CHL 1
- Delete all existing logical drives otherwise the cache optimization change will not take effect.
- Change ID of both channels to 'YZ'.
Terminal -> vew and edit channelS
then delete exisiting and add new channel IDs for both hosts (first 2 entries in the displayed table)
10. Set date, time and timezone
Terminal -> view and edit Configuration parameters -> Controller Parameters
-> Set Controller Date and Time
* Configure logical drives first, then partition first logical drive.
- each logical drive should consist of one physical disk with NORAID.
- note is needed to commit changes in some menus instead of
- in particular do not wait after the message LD in creation (press to continue)
- first logical drive should be partitioned into 2 partitions. First partition should be 1024 MB, second partition, the rest of the disk.
- Map host LUNs on both channels.
- first partition of the first logical drive should be mapped as lun number 0
- second partition of the first logical drive should be mapped as lun number 1
- each subsequent logical drive should be mapped as a subsequent lun.
- repeat the operation on the other channel (mappings on both channels should be identical)
- double check: LUN N should be mapped with LD N-1 (except for LUN 0)
Attached Files