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тАО06-29-2009 11:13 PM
тАО06-29-2009 11:13 PM
===========
OpenVMS 8.3-1H1 on Rx2660.
Two processes were performed:
1st:
- Backup local disk and output the saveset to another local disk.
- Backup /list confirms a good saveset.
- COPY the backup saveset to NFS mounted device
2nd:
- BACKUP local disk and output the saveset directly to the NFS mounted device.
The backup saveset size from output of 1st step above is around 138M blocks.
Mounting Method:
================
$tcpip mount dnfsxx:/host="hostname"/path="
The problem:
============
- After copy/backup of the saveset into the NFS device, the saveset file size drops from 138M blocks to around ???M blocks.
===========================
COPY saveset to NFS device
===========================
$ dir DISK$I64SYS.BCK
Directory DKA800:[BACKUP]
DISK$I64SYS.BCK;1 *******/******* 29-JUN-2009 10:39:14.91
Total of 1 file, 137973339/137973344 blocks.
$ copy/log DISK$I64SYS.BCK DNFS88:[BACKUP]
HOST::SYSTEM 14:28:01 COPY CPU=00:00:48.34 PF=2578 IO=1806760 MEM=290
Copying: DKA800:[BACKUP]DISK$I64SYS.BCK;1 (81% completed) 111833244 blocks copied of 137973339
%COPY-S-COPIED, DKA800:[BACKUP]DISK$I64SYS.BCK;1 copied to DNFS88:[BACKUP]DISK$I64SYS.BCK;1 (137973339 blocks)
====================================
Saveset in NFS device тАУ ONGOING COPY
NOTE: File allocation is as per original size
====================================
$ DIR .BCK
Directory DNFS88:[BACKUP]
DISK$I64SYS.BCK;1 0/******* 29-JUN-2009 10:39:14.91
Total of 1 file, 0/137973339 blocks.
=======================================
Saveset in NFS device тАУ COPY COMPLETED
=======================================
$ dir .bck
Directory DNFS88:[000000.BACKUP]
DISK$I64SYS.BCK;1 3755611/3755611 29-JUN-2009 10:39:14.91 [3375,1]
Total of 1 file, 3755611/3755611 blocks.
- BACKUP/LIST produces the following error
$ back/list DISK$I64SYS.BCK /save
Listing of save set(s)
%BACKUP-E-READERRS, excessive error rate reading DNFS88:[000000.BACKUP]DISK$I64SYS.BCK;1
-BACKUP-E-BLOCKCRC, software block CRC error
%BACKUP-I-OPERSPEC
Solved! Go to Solution.
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тАО06-30-2009 01:23 AM
тАО06-30-2009 01:23 AM
Re: Backup saveset problem in NFS device
if you do a dir/full on both savesets what other differences are there ?
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тАО06-30-2009 01:41 AM
тАО06-30-2009 01:41 AM
Re: Backup saveset problem in NFS device
$ dir /full DISK$I64SYS.BCK
Directory DKA800:[BACKUP]
DISK$I64SYS.BCK;1 File ID: (4082,2,0)
Size: 137973339/137973344 Owner: [SYSTEM]
Created: 29-JUN-2009 10:39:14.91
Revised: 30-JUN-2009 10:38:59.94 (1)
Expires:
Backup:
Effective:
Recording:
Accessed:
Attributes:
Modified:
Linkcount: 1
File organization: Sequential
Shelved state: Online
Caching attribute: No_caching
File attributes: Allocation: 137973344, Extend: 0, Global buffer count: 0
No version limit
Record format: Fixed length 32256 byte records
Record attributes: None
RMS attributes: None
Journaling enabled: None
File protection: System:RWED, Owner:RWED, Group:RE, World:
Access Cntrl List: None
Client attributes: None
Total of 1 file, 137973339/137973344 blocks.
NFS:
Directory DNFS88:[BACKUP]
DISK$I64SYS.BCK;1 File ID: (13,15712,0)
Size: 3755611/3755611 Owner: [3375,1]
Created: 29-JUN-2009 10:39:14.91
Revised: 30-JUN-2009 15:04:43.61 (2)
Expires:
Backup:
Effective:
Recording:
Accessed:
Attributes:
Modified:
Linkcount: 1
File organization: Sequential
Shelved state: Online
Caching attribute: No_caching
File attributes: Allocation: 3755611, Extend: 0, Global buffer count: 0
No version limit
Record format: Fixed length 32256 byte records
Record attributes: None
RMS attributes: None
Journaling enabled: None
File protection: System:RWED, Owner:RWED, Group:RE, World:
Access Cntrl List: None
Client attributes: None
Total of 1 file, 3755611/3755611 blocks.
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тАО07-01-2009 03:02 AM
тАО07-01-2009 03:02 AM
Re: Backup saveset problem in NFS device
A possibility for the corruption of the backup saveset is change of attributes due to transfer over a network. In this case attributes can be reset to the original ones by running the following command
procedure from the VMS Freeware.
$ @RESET_BACKUP_SAVESET_FILE_ATTRIBUTES.COM
-Ketan
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тАО07-01-2009 03:12 AM
тАО07-01-2009 03:12 AM
Re: Backup saveset problem in NFS device
Dave.
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тАО07-01-2009 04:15 AM
тАО07-01-2009 04:15 AM
SolutionNow, 137973339 blocks = 70642349568 bytes or about 70GB. And 3755611 blocks = 1922872832 or about 2GB. So is the NFS server capable of handling files more than 2GB? Or tcpip services? I seem to remember that tcpip services for vms does only NFS V2 protocol which limits the filesize to 32bits. But that may be fixed by now.
Jur.
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тАО07-01-2009 06:49 PM
тАО07-01-2009 06:49 PM
Re: Backup saveset problem in NFS device
It seems like this is a limitation of the NFS server running on 32-bit system.
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тАО07-01-2009 10:00 PM
тАО07-01-2009 10:00 PM