Title: Snap Mirror To Tape backup fails writing to media
Date: 06/10/2005
NV Version:all
OS Version:all
Application version:N/A
Plugin version:N/A
Description:
This document describes the additonal steps required to get Snap Mirror To Tape to sucessfully backup to a Netvault virtual library but this applies to physical tape devices as well. This is due to Snap Mirror To Tape writing in 240Kb block size only.
Symptoms:
If the default drive block size of 32 or any non 240Kb block size is used, then you will receive either of the following
errors within the binary log:
A)
Job Message 2005/09/27 15:38:50 120 Data Plugin JULIAN Data transfer using a 'TCP' connection
Information 2005/09/27 15:38:50 120 Data Plugin JULIAN NDMP: NORMAL 0: SMTAPE: aborting, volume "/vol/vol1/support" does not exist or is restricted or offlin
Error 2005/09/27 15:38:50 120 Data Plugin JULIAN Data operation halted due to unrecoverable internal NDMP server error
Information 2005/09/27 15:38:50 120 Data Plugin JULIAN NDMP: NORMAL 0: Dumplet aborted
Background 2005/09/27 15:38:50 120 Media JULIAN Mover has halted as all data has been transferred
OR
B)
Error 2007/01/12 14:48:53 56 Media UKWK1122 UKWK1122 C:\VDL\SupportVDL\drives\3: had media error
With context of:
DEVDISK :17044 95 0 144853 Close Write Segment
FILESYS :17044 47 0 144853 Failed to seek file absolute: An attempt was made to move the file pointer before the beginning of the file.
DISKFILE:17044 108 0 144853 Unexpected error writing to media
DEVDISK :17044 5 257 144853 failed to write media object
DEVDISK :17044 104 257 144853 Close Write FAILED to write segment header
MEDWRITE:17044 276 0 144853 Failed to close write segment
Set the tape drive/s block size to 240Kb:
#1 Select the drive/s that you are going to use with snap mirror2tape backups within Netvault Device Management
#2 Right click and select the Configure option
#3 Select the Configuration tab within the 'Edit Drive' dialog box
#4 Enter 240 into the "Media block size (Kb)" field
#5 Click OK button
#6 Click the Save button
Blank the tapes and label (if required) the tapes with the drive now configured to use 240Kb block size.
BakBone SFDC Solution Number: 00001745
