Specifications

but you have no failover protection. The maximum number of adapters
supported is 16 for a total of 32 SCSI ports. For the HP-UX operating system
11.0, the IBM Subsystem Device Driver supports 64-bit mode.
See the following web site for the most current information about the IBM
Subsystem Device Driver:
www.ibm.com/storage/support/techsup/swtechsup.nsf/support/sddupdates
Installing the 2105 host install script file
This section provides the instructions to install the 2105 host install script file from a
compact disc. You must have superuser authority to complete the instructions.
Before installing the 2105 host install script file, connect the host system to the
ESS. See “General information about attaching to an open-systems host with SCSI
adapters” on page 7.
Install the 2105 host install script from a compact disc.
Notes:
1. You can only install and run the ESS set queue depth program (version
2.7.1.00) on the HP-UX operating system 10.01 or later.
2. Use the following formula to set the queue depth for an HP-UX N class or
HP-UX L class:
(queue depth) multiplied by the (number of LUNs on an adapter) = 256
Note: This limits the number of LUNs on an adapter to 256, but HP-UX
supports up to 1024 LUNs.
Perform the following steps to install the 2105 host install script file from a compact
disc:
1. If you do not already have a directory called /SD_CDROM, type mkdir
/SD_CDROM to create a new directory.
2. Insert the compact disc into the CD-ROM drive.
3. Mount the drive as a file system.
a. Type: ioscan -fnkC disk
Look for the device name on the list with a name of compact disc.
b. Type: mount /dev/dsk/c_t_d_ /SD_CDROM
Replace /dev/dsk/c_t_d_ with the device special file found in step 3.
4. Type: swinstall -s /SD_CDROM/hp-common
5. Restart your host system, then continue to step 6.
6. From the Software Selection window, click IBMis_tag.
7. From the Action menu click Mark for Install.
8. When you see the word Yes next to the IBMis_tag product, go to the Action
menu and click Install.
9. When the analysis completes with no errors (Status- Ready), click OK.
10. Click Yes in the Confirmation window to begin the installation.
A window opens notifying you that the installation is complete and that the
system needs to be restarted.
11. Click OK to continue.
12. Type swinstall -s var/spool/sw/ibm2105.
40 ESS Host Systems Attachment Guide
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