Adaptec APA-358 User Manual

SnapBack LIVE!™ Server Backup & Disaster Recovery Suite Users Guide SNAPBACK Sterling House, Back Saint Annes Road West, Saint Annes

Introduction—Why SnapBack? INTRO SnapBack Live! uses a novel approach to server data backup and restoration. This chapter will examine the problems

SnapBack Live! 100 LUNS Syntax: SNAPBACK /LUNS Scans SCSI logical unit numbers zero through seven. The default is to scan LUN zero. MONO Synt

SnapBack Live! 101 NG Syntax: SNAPBACK /NG Uses CGA-compatible graphics display. SnapBack normally uses a semi-graphical VGA display. NOOVERW

SnapBack Live! 102 UPDATE Syntax: SNAPBACK /UPDATE Updates DOS time from CMOS. WIDE Syntax: SNAPBACK /WIDE Scans SCSI target numbers zero thr

SnapBack Live! 103 LUN Logical Unit Number of the device Device Type Type of SCSI device (i.e., DASD, Sequential, etc.) Block Size Block Size

SnapBack Live! 104 WASH C: Will fill the unused areas on drive C: with zeroes. WASH D:/C:13 Will fill the unused areas on drive D: with the n

SnapBack Live! 105 Chapter 5— SnapBack DUP SnapBack Dup is a character-based single-user image backup and restore program. The application ru

SnapBack Live! 106 Selecting the Backup Drives After scanning the workstation for hard drives, Dup will display an option menu on the left si

SnapBack Live! 107 Free Space Warning If there isn’t adequate space to store the selected image on the server, Dup will display a warning dia

SnapBack Live! 108 Automatic Restore The saved configuration can also be used to perform an automatic restore. The automatic parameters must

SnapBack Live! 109 Command Line Options Many runtime options can be controlled through options placed on the SNAPDUP command line. Options a

File Follies Pulling individual files isn’t necessarily a walk in the park either. Backup programs use a proprietary tape format. Browsing for a file

SnapBack Live! 110 Example: SNAPDUP /BASE:Y:\IMAGES\ACCTING CONTROL Syntax: SNAPDUP /CONTROL:path Stores and retrieves all control file infor

SnapBack Live! 111 differential backup would be “D33DC33C.01”, the second “D33DC33C.02”, and so forth. IMAGE Syntax: SNAPDUP /IMAGE:path Stor

SnapBack Live! 112 backup using the path “Y:\DUP\CONTROL” for control files and “Y:\DUP\IMAGE” for the images: /CONTROL:Y:\DUP\CONTROL /IMAGE

SnapBack Live! 113 Customize DEFAULT.CFG to use the CD-ROM drive letter which will be active when the workstations are restored (see Chapter

SnapBack Live! 114 provides long descriptions and menu support for multiple images, a master CD could contain a collection of common standard

SnapBack Live! 115 Update the Model Workstation Configure whatever changes are necessary on the model machine. These can include new software

SnapBack Live! 116 Chapter 6— System Restoration Restoring a SnapBack tape creates an exact image of the drives that were backed up. The corr

SnapBack Live! 117 Restore Individual File Restoration – TD-ROM TD-ROM allows access to the backup tape just as if it were a read-only hard d

SnapBack Live! 118 Restore Windows NT NoteÆ Tapes of any NT compatible file system (including DOS, Windows 3, Windows 95, FAT 16, FAT 32, OS

SnapBack Live! 119 Select the TD-ROM operation from MOUNT, DISMOUNT, LOAD, or UNLOAD TD-ROM command buttons. Mount - Mount a tape volume

INTRO INTRO The Image Approach SnapBack Live! takes a completely different approach to the backup process. Rather than going through the server file s

SnapBack Live! 120 1. Back up using SnapBack. 2. On the OLD hard drive, go to the server directory and copy all the files to floppy disks.

SnapBack Live! 121 If prompted, select the hard drive source image to restore. Select the volume source image . Select the hard drive destina

SnapBack Live! 122 Restoring NetWare Directory Services (NDS) Restore Note > NDS trees that are replicated or distributed throughout an In

SnapBack Live! 123 Synchronizing a Restored NDS. Load DS.NLM after the tape restoration is complete. If there are replicas on the network, l

SnapBack Live! 124 Chapter 7— Troubleshooting Window NT The “SnapBack Operators” group does not Troubleexist after install. SnapBack Console

SnapBack Live! 125 • The user is a member of the SnapBack Operators group. If this group does not exist, create it as a local group using Us

SnapBack Live! 126 Message “An incompatible filter driver has been loaded” when starting backup. SnapBack Open Transaction Manager has detecte

SnapBack Live! 127 • Select “TCP/IP” and hit “Properties”; for the IP Address type in 192.168.0.1; for the Sub-net mask type in 255.255.255.0

SnapBack Live! 128 Note > If using STRTL5.EXE, the following note applies as well. To install LIBUPx.EXE: MD C:\TEMP CD C:\TEMP \LIBUPx.EX

SnapBack Live! 129 • Use NDS. • Try Internet/None log in. NetWare All Versions The Console software does not show the tape drive that is att

Reboot the system. Everything is restored to the exact state it was in when the backup was created. No formatting, partitioning, or system installatio

SnapBack Live! 130 When mounting a SnapBack tape using TD-ROM, you receive the following error message on the server System Console:"Ca

SnapBack Live! 131 SET AUTO REGISTER MEMORY ABOVE 16 MEGABYTES =OFF SET RESERVED BUFFERS BELOW 16 MEG =200 4. Edit “autoexec.ncf” on the DOS

SnapBack Live! 132 When using TD-ROM on volumes that have been spanned (either across drives or on the multi-segmented on the same drive), TD-

SnapBack Live! 133 These files can be found in LANDR5.EXE or above. This is the oldest file set known to work. Later versions (file dates afte

SnapBack Live! 134 VNETWARE.386 11/19/93 1.04 VIPX.386 01/19/94 1.13 NWCALLS.DLL 11/02/93 4.04 NWIPXSPX.DLL 11/02/93 4.04 Unable to login to

SnapBack Live! 135 SnapBack DOS: Various Out of Memory Conditions. • Run the DOS program MEMMAKER to increase the amount of available convent

SnapBack Live! 136 capacity is wrong. Find out the drive manufacturer and model number. Look in the manual for transfer rates using various ta

SnapBack Live! 137 • Replace the SCSI Cable. Cables do go bad, are poorly manufactured, and can be too long. Longer cables are susceptible to

SnapBack Live! 138 Backup Problems The SnapBack screen displays “Waiting 15 seconds for no disk activity”, but never starts the backup. Th

SnapBack Live! 139 Appendix A— SCSI Compatibility SCSI Host Adapters Any SCSI host adapter with an ASPI, CAM, or SDLP Manager should work wit

new larger drive. On Windows NT servers you simply add a new partition to utilize the additional space. INTRO Benefits and Limitations Remote or Loc

SnapBack Live! 140 Laura Technologies TNT-40x0 ISA SSTSDLP1.SYS</td LinkSys WBSASPI.SYS</td NCR/ATT Model 3350 MB SCSI (NCR53C94)CAMC9

SnapBack Live! 141 Tape Drives Any SCSI tape drive should work with SnapBack. 4mm datConner/Seagate Archive Python (All models)CompaqArchive 4

SnapBack Live! 142 Conner/Seagate CTMS-3200 AnacondaArchive ViperExabyte EXB-2501cEXB-2501EXB-2502cEXB-2502TandbergTDC 3500TDC 3700TDC 3800TDC

SnapBack Live! 143 C1194F (4228,4248,4448)DEC DLT 2700SGI DLT 2700DLT 4700Quantum DLT 2700DLT 4700DLT 2500DLT 4500Exabyte EXB-10IEXB-10EEXB-10

SnapBack Live! 144 Appendix B— Technical Support Contacting Technical Support Free technical support is available weekdays from 9:00am to 5:00

SnapBack Live! 145 Glossary ANSI - American National Standards Institute - An organization for the development and publication of standar

SnapBack Live! 146 COMPRESSION - Encoding of data to take up less storage space. DASD - Direct Access Storage Device - A storage device which

SnapBack Live! 147 MEGABYTE - MB, Meg - 1,048,576 bytes or characters (a kilobyte squared). Typically used to measure file, device, and memory

SnapBack Live! 148 A Abort, 43, 67, 83 Active X, 11 Alien System, 14 ANSI, 148, 150 ASPI, 87, 92, 129, 139, 148 AUTOEXEC.NCF, 129, 130, 148 B

SnapBack Live! 149 DOS, 54, 81, 102, 103, 117, 120, 134, 135, 138, 149 backup from, 14 rescue disk, 31 restore from, 14 Restore from, 12 Suppo

restore any BIOS-compatible or SCSI-based operating system including Unix and OS/2. • Downed Server Backup SnapBack/DOS will back up a downed server.

SnapBack Live! 150 NLM Management, 81 Open transaction processing, 17 Server, 17 Server Installation, 29 New Volume, 121 NLM, 91, 120, 122, 12

SnapBack Live! 151 SnapBack Console, 35, 38, 42, 43, 52, 59, 62, 66, 67, 78, 128, 134, 146 SNAPBACK.EXE, 135 SNAPSCAN.EXE, 102 STATUS, 43, 67

Chapter 1— Installing SnapBack Live The SnapBack Live! application suite consists of five programs: SnapBack/NT a Windows NT backup server; SnapBack/N

• SCSI tape drive NetWare Server The SnapBack NetWare Server is an NLM-based server application. SnapBack/NW allows real time backup from connected h

SnapBack DOS SnapBack/DOS is a character-based single-user backup, restore, and utility program. The application can be executed from a single DOS boo

Installation for Windows NT and NetWare SnapBack Server is installed on the local hard drive in a server using an attended installation program. The i

SnapBack™ User’s Manual Copyright © 1994 - 1999 Columbia Data Products, Inc. All rights reserved. No part of this publication may be reprod

4 The next screen is the License Agreement. Please read this carefully. If you agree to the terms click YES. If you do not agree to the terms click

If you are installing an evaluation version of the SnapBack product, the serial number to be entered is zero (0). INSTALL6 The next screen will be

INSTALL7 Select the directory where you would like to install SnapBack. The default directory is c:\Program Files\CDP Inc. To change the default in

INSTALL8 When the installation directory is selected, you will be required to select the particular programs you want to install. The console prog

The list of programs to select will not display the image above unless the NT/NW Bundle package has been purchased. If installing NT, only the requ

This task is for NetWare users ONLY. NT users – not applicable 10. NetWare users are required to enter the server name where SnapBack is to be ins

After naming the server, you will be instructed to go to that server to complete the Novell Installation by typing “SnapBack” on that system. INSTALL

This procedure does not make the complete Disaster Recovery disk for you. There are other files which must also be added. Make sure you carefully re

INSTALL 13. Select and read RELEASE NOTES for the product you just installed. Your SnapBack Live! installation program will now close. SnapBack Liv

Installing NetWare from Floppy Disks Note > Prior to installing SnapBack/NW the server must have a SCSI controller, tape drive, and a NetWare ASPI

Contents INTRODUCTION—WHY SNAPBACK?...10 BACKUP BLUES...10 Comp

Installing SnapBack DUP From a DOS prompt connected to the network drive you want SnapBack DUP installed to. Run Install X: y:\dir. Where X is the

Making a Rescue Diskette The Toolkit/Recovery disk (mentioned in the installation program) is also known as a rescue disk or disaster recovery disk.

• A fresh backup tape You will need to know: • The CONFIG.SYS file settings needed to enable the ASPI manager for the SCSI host adapter and tape dri

Disk Space Problems Depending on the DOS version and the size and number of device driver files used by your system, you may not have room for SnapBac

To test the Disaster Recovery diskette follow these steps: 1. Reboot the file server with the rescue disk. It should boot from the floppy, load the A

Chapter 2— SnapBack for Windows NT Logging In To use the SnapBack Console program you must log into a server that has the SnapBack Server software in

Console Login The Console login window requires selection of a Login Type and Server as well as a User Name and Password. Win NT Connection Types Sn

Internet/None - This selection is for logging in via TCP/IP to a Windows NT server or the Internet. This selection can also be used if you experience

and incremental searching make it possible to quickly and easily log into any of hundreds of remote servers. When re-entering the logon screen the ser

Server Backup Server backup is straightforward using SnapBack. Simply, specify which drives to back up, which tape drive (or drives) will record the i

CHAPTER 2— SNAPBACK FOR WINDOWS NT...35 LOGGING IN ...35 Console Login...

Note > Even though the display image shows partitions and volumes, the selection is for complete hard drives. SnapBack saves entire drive images. S

Backup Scheduling The scheduling screen allows entry of the days of the week and times for the selected backup. The backup source, targets, and schedu

Note > The SnapBack Console program does not need to be running when the backup is scheduled to occur. The SnapBack server program triggers and per

Status Screen The status screen shows current activity on the selected server. This is useful during an immediate backup in order to monitor the progr

attempted immediately. Otherwise SnapBack will resume its operations on the next scheduled backup. Server Statistics - Various statistics about the se

Tape Reader SnapBack records a header record at the beginning of each backup tape. Clicking the TAPE icon will display the device images recorded on t

The TAPE INFO screen provides the following: Serial Number - Serial number of the backup tape. Backed Up On - Date the backup was created. Tape Number

Win NTWin NTRestart Backup When Cache Size is Exceeded If a backup is aborted due to insufficient cache size, SnapBack will immediately attempt anoth

Win NTQuiescent Wait Time in Seconds This setting controls the duration of server inactivity required before starting a backup. If a backup fails to

Configure TD-ROM TD-ROM allows backup tapes to be mounted as if they were read-only disk drives. This screen allows control of the tape creation and

TAPE READER ...69 CONFIGURATION ...

In NetWare, SnapBack will prefix an underscore to the volume name (volume SYS mounts as _SYS). Create Index The index overcomes much of the speed and

On Hard Drive Media Errors Abort If this option is checked, SnapBack will abort a backup if it cannot read a sector from the hard drive. If not checke

Configure Preferences This configuration screen allows control of the startup display of the SnapBack Console program. Win NTShow the Tool Bar Specif

Win NTBlock Size The Block Size is the physical block size used to write to the tape device. This is automatically configured to provide the maximum

Eject Tape This option configures SnapBack to eject the tape after a successful backup. If you are planning to mount a volume after a backup is comple

to 2GB, if this option were checked. The default setting is not checked. Note > If the disk drive is larger than the backup tape leaving the disk

so setting it to a higher value (like 10 seconds) doesn’t impact its performance, however it will allow SnapBack to get the required window. 2. If th

Create a REG_SZ (String) value "ChildUser" that contains the name of the user. Also create another String value called "ChildPassword&

Here is an example you can use to stop Microsoft's IIS 4.0 Certification server for at least 15 seconds (if the quiescent window is set for 15 se

Chapter 3— SnapBack for NetWare Logging In To use the SnapBack Console program, you must log into a server that has the SnapBack Server software inst

UTILITIES ...91 SCANSCSI.NLM ...

Console Login The Console login window requires selection of a Login Type and Server as well as a User Name and Password. Netware Connection Types S

Internet/None - This selection is for logging in via TCP/IP to a Windows NT server or the Internet. This selection can also be used if you experience

and incremental searching make it possible to quickly and easily log into any of hundreds of remote servers. When re-entering the logon screen, the se

Note > You must know the current context and the context of the user object to log in using the relative distinguished login name. It is easier to

drives as you like to the backup set. You may remove drives from the selected backup following this same process. Note > Even though the display i

If you choose Backup Now, SnapBack will immediately start the backup and display the status screen. Selecting Backup Later will activate the schedulin

When you click OK, the schedule will be stored on the server and the backup executed as scheduled. Note > The SnapBack Console program does not n

Status Screen The Status screen shows current activity on the selected server. This is useful during an immediate backup in order to monitor the progr

attempted immediately. Otherwise SnapBack will resume its operations on the next scheduled backup. Server Statistics - Various statistics about the se

Tape Reader SnapBack records a header record at the beginning of each backup tape. Clicking the TAPE icon will display the device images recorded on t

DUPS ...99 INT13 ...

Serial Number - Serial number of the backup tape. Backed Up On - Date the backup was created. Tape Number - Tape number if a multiple tape backup. Dev

NetwareRestart Backup When Cache Size is Exceeded If a backup is aborted due to insufficient cache size, SnapBack will immediately attempt another ba

Configure Open Transactions SnapBack delays the backup until the server has a configurable period of inactivity. This ensures that the server is in a

Quiescent Timeout in Minutes This setting controls how long SnapBack will wait for the inactivity span mentioned above. The default setting of 60 min

SnapBack will generate a unique volume name to prevent confusion between the actual disk volume and mounted tape volume. In NetWare, SnapBack will pre

This option is the ID number of the SCSI host adapter. This option is necessary if there are multiple SCSI adapters on the server. Values range from z

If the same tape is mounted more than once, TD-ROM will reuse the index file originally loaded. The PURGE keyword will force the disk index image to b

Configure Errors This screen configures disk read error handling. On Hard Drive Media Errors Abort If this option is checked, SnapBack will abort a b

Configure Preferences This configuration screen allows control of the startup display of the SnapBack Console program. NetwareShow the Tool Bar Speci

Configure Tape Drive This screen configures tape drive options. SnapBack automatically configures these settings for optimal performance. NetwareBlo

RESTOREAUTO...111 READONLY ...

Compression Compression can be set for “Default.” To use the tape drive default mode, select “On” to turn the tape drive compression on (if available

Backup Partitions Only Enabling this option configures SnapBack to backup only the partitioned area of the hard drive (as defined in the master boot r

SnapBack automatically runs PREBACK.NCF before each backup and POSTBACK.NCF after completion. Both files must be in the SYS:\SYSTEM\SNAPBACK directory

4. Use SnapBack to restore the original drive image to the new drive. 5. Reboot the system to confirm that the restore was successful. 6. Run RESIZE.E

Where: D specifies the backup source device number, if missing specifies as all hard drives. T specifies the backup target device number. W specifies

CONFIG Syntax: SNAP CONFIG Writes the server configuration to the file: SYS:\SYSTEM\SNAPBACK\LOGS\CONFIG.LOG DELJOB Syntax: SNAP DELJOB # Deletes job

JOBS Syntax: SNAP JOBS Displays currently scheduled backup sets. LOAD Syntax: SNAP LOAD x Loads TD-ROM with x parameters (bs=, target=, etc.). See Cha

RESTORE NDS Syntax: SNAP RESTORE NDS Restores the NDS and, optionally, the bindery from the tape. SCAN Syntax: SNAP SCAN Scans for ASPI devices. SnapB

VIEW Syntax: SNAP VIEW [#] Displays the tape header information where # is the tape drive number. If you do not specify a number, SnapBack will show t

LOAD SNAP_ENG mem=2048 (for 2 MB) LOAD SNAP_ENG mem=1024 (for 1 MB) Warning > Using less memory for SnapBack can cause the backup to abort during

APPENDIX A— SCSI COMPATIBILITY ...139 SCSI HOST ADAPTERS...139 Standard Adapters

SUB Syntax: LOAD SNAP_ENG SUB=x Sets the granularity in Kilobytes used for memory allocation. The default value is 512, causing allocation to occur in

WIDE Syntax: LOAD SNAP_ENG WIDE Scans SCSI ID’s greater than seven on WIDE and WIDE/FAST controllers. Utilities SCANSCSI.NLM SCSI scan NetWare Loadab

Rewind, Retention, Load, Unload, Erase). Must load NetWare ASPI Manager prior to loading. NetwareSnapBack Live! 92

SnapBack Live! 93 Chapter 4— SnapBack for DOS SnapBack Live! is primarily a server backup tool. One of the components of the suite is SnapB

SnapBack Live! 94 Automatic Backup SnapBack/DOS includes CONFIGURATION screens that can define an automatic backup set. To set the automatic

SnapBack Live! 95 Configuration The Configuration Menu allows configuration of various options for running SnapBack in both manual and auto m

SnapBack Live! 96 Note > Most tapes do not require formatting. Change Read Retries Controls the number of times SnapBack will try to re-

SnapBack Live! 97 Note > If you do not create an index, it will be difficult to recover individual files. SnapBack must read the entire ta

SnapBack Live! 98 AMIMEGA Syntax: SNAPBACK /AMIMEGA Scans for AMI Mega RAID PCI controller disk devices. AUTO Syntax: SNAPBACK /AUTO Executes

SnapBack Live! 99 COMPAQ Syntax: SNAPBACK /COMPAQ Scans for Compaq Smart Array Raid Controller EISA/PCI disk devices. CPQPCI Syntax: SNAPBACK