Seagate ST39173WC Specifications download pdf (Page 60)

4-4 Sun StorEdge A1000 and A3x00/A3500FC Best Practices Guide • November 2002

sd_error_level = 2 or 0 (for A3x00 SCSI)

ssd_error_level = 2 or 0 (for A3500FC)

RdacDebug = 1 (for both SCSI and FC)

You can set the variables in two ways:

■ adb -kw

■ You can add the variables to the end of /etc/system, followed by a reboot. See

the man page system (4) for further details.

With the variables set, all failed command descriptor block (CDB) and retry

commands will appear on the console and in /var/adm/messages. Be sure enough

space is available on /var/adm, if file system size is limited.

4.3 format and lad

Keeping the lad/RM6 ctd assignment in sync with format is neither necessary nor

practical.

lad/RM6 reports the current device path to LUNs. The path changes when LUNs are

moved between controllers.

format reports the device path based on entries in/dev/[r]dsk. These entries are

created at the end of the LUN creation process. These are static, thus presenting a

fixed reference to the application no matter which controller owns the LUN.

If you want to keep the ctd# in sync, refer to the following white paper available on

the Sonoma Engineering web site for a RAID Manager 6.1 solution:

http://webhome.sfbay/A3x00/Sonoma/4084293

For a RAID Manager 6.22x solution for keeping the ctd# in sync, see the man page

rdac_address (4).

Note – format should report the LUNs as a pseudo device (for example

/pseudo/rdnexus...). If the path indicates physical devices (for example

/sbus@...), then this indicates that the LUNs were not built properly.

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Seagate ST39173WC Specifications Page 60