SUMMARY: SSA's rootdg

From: Pek Chan, TEOH (pcteoh@formis.bass.com.my)
Date: Thu Jun 27 1996 - 11:57:49 CDT


Hi,

        Mike Daffey <miked@mcegate.fujitsu.com.au> has forwarded me a copy
of SunSolve Support Document that cover everything you need to know about
SSA. This file is quite huge, so I won't forward it to the list. Attached is
the TOC of the document, and if you find it useful, drop me a line.

        Thanks, Mike.

- teoh

--------------------------------------------------------------------
SunSolve Document infodoc/13420

                SPARC Storage Array and Veritas Software

                        TABLE OF CONTENTS

1.0 About the SSA
1.1 Terms to be Aware of

2.0 Debugging Techniques
2.1 Diagnostic Switch on the Array Controller
2.2 POST Errors
2.2.1 OBP Info
2.3 Messages File Information
2.3.1 Boot Cycle and SSA Error Recovery
2.3.2 Reasons for OFFLINE/ONLINE Messages
2.3.2.1 Common Causes for these messages
2.4 COMMANDS to Use and What to Look For
2.4.1 SSAADM
2.4.2 PRTVTOC
2.4.3 Veritas GUI Views
2.4.4 VX Commands
2.4.5 VXDISK
2.4.6 VXPRINT
2.4.7 VXPRIVUTIL
2.4.8 VXSTAT
2.4.9 VXINFO
2.5 Understanding Plex States
2.6 Understanding Volume States
2.7 System Does Not See the SSA
2.8 System Cannot Run the vxconfigd, Volume Manager won't start
2.9 Miscellaneous Statistical Commands

3.0 Quick Fixes, How-To's and Theory of Operations
3.1 Bootable Disk Encapsulation and Mirroring - How-to
3.1a How to 'unroot' your Bootable Disk
3.2 Volume Manager is not seeing a disk device any longer
3.3 Software and Firmware Differences, What You Need to Know
3.4 Hot Spares How They Work
3.5 WWN (World Wide Number) and How to Change it
3.5a WWN How to Use the New One
3.6 Use of 'vxdiskadm' Utility
3.7 Remove/Replace a Disk
3.8 Boot Issues
3.9 SSA NVRAM versus PrestoServe
3.10 RAID-5 Information
3.11 ROOTDG Recovery
3.12 Loss of Disk Group Configuration Information; How to Save the Info
3.13 IOSTAT Output; How to find the listed "ssd" device it reports
3.14 Dual Hosted SSAs and Simulation of a "failover" on dual-host
3.15 Move an SSA to another system.
3.16 Fail-Over Simulation for testing Hot-Spares with Mirrors and Raid-5

4.0 FAQ's

5.0 Patch information
5.1 SPARCstorage Array, Veritas Volume Manager PATCHLIST

6.0 Bugs and RFE's - Known Problems
6.1 Downloading SSA FW and Resetting SSA has created some malfunctioning
       controllers
6.2 Prestoserve Causes Corruption with SSA, Volume Manager and RAID5
6.3 VXVA Core Dumps when Reconnecting a Disk
6.4 Documentation Error with Prestoserve and Volume Manager Booting
Single-User

7.0 All other References Available
7.1 FRU part numbers
7.2 Documentation Part Numbers

8.0 Supportability from NASC

9.0 Additional Support Information

10.0 WARRANTY Information

11.0 SPARCstorage Array Software Configuration Matrix (version 4.0)



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