10 More Discussions You Might Find Interesting
1. Solaris
Hi All!
Letīs say there are a few solaris servers connected to a NetApp storage device, but with no tape library or tape device attached to none of them. Assuming the O.S. is installed on the root disks, how to recover if the O.S. failed in one of the systems? Please share your ideas. (13 Replies)
Discussion started by: fretagi
13 Replies
2. Solaris
Hello guys anyone know how to check the size of files in the a backup tape?:confused::confused::confused: (2 Replies)
Discussion started by: Mohammad.ak
2 Replies
3. AIX
Hi,
I am very new to AIX, i have a development and a production server with AIX 6.1. I am using following command to backup my system
/usr/bin/mksysb '-m' '-V' '-i' /dev/rmt0
You can what i have in my root volume group in the atached file and and you can also see the backup information of... (14 Replies)
Discussion started by: salmanucit
14 Replies
4. UNIX for Dummies Questions & Answers
How can I tell how much tape is left (or how much tape has been used) after doing a backup? My system is on Solaris 5.8. (2 Replies)
Discussion started by: shorty
2 Replies
5. SCO
I am trying to make a full backup of my system using the cpio command. The Tape Unit is a SCSI DDS.
The process started fine but after about 30 minutes, it just stopped and showed the following message:
1755 Signal 31 - Core dumped
Any idea of what is causing this and how to fix it?
... (4 Replies)
Discussion started by: zionpc
4 Replies
6. UNIX for Dummies Questions & Answers
Hi,
I performed backup on tape and I want to append more files to my previous backup on the same backup tape. But before I do that I need to know the backup file size of the first backup I performed so that I know the available size on the backup tape. Can someone help me what command I will use... (0 Replies)
Discussion started by: ayhanne
0 Replies
7. UNIX for Dummies Questions & Answers
Hi there: I'm new here
Can anyone help me:
I have DS15 Alpha server : Unix 5.1B
Now i need to connect a DLVT VS80 1U Rackmount Tape Drive unit.
What is the exact comman to mount the DLTape IV??
How do i make backuo @ copy file to the tape?
Thanx to all (0 Replies)
Discussion started by: ayzeayem
0 Replies
8. AIX
Hi all
I am using IBM machines with tape drive, what i do is go to informis and i insert the tape and run the command "ontape -s -L " and the level of backup that i want to take. Now what i want to check is which days are the backup being run, does the system create a log and stores info where... (0 Replies)
Discussion started by: masquerer
0 Replies
9. Solaris
hello everybody...
i need some help ...
so... i need to do some backups from one solaris system and i dont know whitch is the best solution....to use tar or ufsdump...?
...and .... how can i restore files from tape if on the tape i have 2 sessions....how can i access second session....?
enough... (4 Replies)
Discussion started by: nich007
4 Replies
10. UNIX for Dummies Questions & Answers
I have a script which runs overnight to backup a database into a tar file. I then gzip the file and send it off to a tape device.
The command I'm using for the tape backup is
tar cvf /dev/rmt/0n /var/dbbackup/${FILE}.gz
I thought the n meant no rewind so the next file is copied to tape... (4 Replies)
Discussion started by: mattd
4 Replies
RESTOR(1M) RESTOR(1M)
NAME
restor - incremental file system restore
SYNOPSIS
restor key [ argument ... ]
DESCRIPTION
Restor is used to read magtapes dumped with the dump command. The key specifies what is to be done. Key is one of the characters rRxt
optionally combined with f.
f Use the first argument as the name of the tape instead of the default.
r or R The tape is read and loaded into the file system specified in argument. This should not be done lightly (see below). If the key is
R restor asks which tape of a multi volume set to start on. This allows restor to be interrupted and then restarted (an icheck -s
must be done before restart).
x Each file on the tape named by an argument is extracted. The file name has all `mount' prefixes removed; for example, /usr/bin/lpr
is named /bin/lpr on the tape. The file extracted is placed in a file with a numeric name supplied by restor (actually the inode
number). In order to keep the amount of tape read to a minimum, the following procedure is recommended:
Mount volume 1 of the set of dump tapes.
Type the restor command.
Restor will announce whether or not it found the files, give the number it will name the file, and rewind the tape.
It then asks you to `mount the desired tape volume'. Type the number of the volume you choose. On a multivolume dump the recom-
mended procedure is to mount the last through the first volume in that order. Restor checks to see if any of the files requested
are on the mounted tape (or a later tape, thus the reverse order) and doesn't read through the tape if no files are. If you are
working with a single volume dump or the number of files being restored is large, respond to the query with `1' and restor will read
the tapes in sequential order.
If you have a hierarchy to restore you can use dumpdir(1) to produce the list of names and a shell script to move the resulting
files to their homes.
t Print the date the tape was written and the date the filesystem was dumped from.
The r option should only be used to restore a complete dump tape onto a clear file system or to restore an incremental dump tape onto this.
Thus
/etc/mkfs /dev/rp0 40600
restor r /dev/rp0
is a typical sequence to restore a complete dump. Another restor can be done to get an incremental dump in on top of this.
A dump followed by a mkfs and a restor is used to change the size of a file system.
FILES
default tape unit varies with installation
rst*
SEE ALSO
dump(1), mkfs(1), dumpdir(1)
DIAGNOSTICS
There are various diagnostics involved with reading the tape and writing the disk. There are also diagnostics if the i-list or the free
list of the file system is not large enough to hold the dump.
If the dump extends over more than one tape, it may ask you to change tapes. Reply with a new-line when the next tape has been mounted.
BUGS
There is redundant information on the tape that could be used in case of tape reading problems. Unfortunately, restor doesn't use it.
RESTOR(1M)