o reilly Unix Backup and Recovery phần 5 ppsx

... Seriously, though, the reason it is so difficult is that you need a good SA and a good DBA to design a good backup plan. Most people know only one side well. If you or your people know both sides, ... backups Configuration Options Gives the user access to various configuration options for local access, remote services, etc. Tape Drives Then you can reboot to single-user mode by going to t...

Ngày tải lên: 14/08/2014, 02:22

... 954 72. Editor: Gigi Estabrook Production Editor: Clairemarie Fisher O& apos;Leary Printing History: November 1999: First Edition. Nutshell Handbook, the Nutshell Handbook logo, and the O& apos ;Reilly logo ... publisher assumes no responsibility for errors or omissions, or for damages resulting from the use of the information their alignment if stored in that position for too long. (CD-...

Ngày tải lên: 14/08/2014, 02:22

... command is not a backup command used by most people. It is a very low-level command and is designed for copying bits of information from one place to another. It does not have any knowledge of ... version of cpio, as is the ability to use remote devices. Option: specifying the output mode (o) The o option is one of the three modes of cpio (o, i, and p) and is the one used for creat...

Ngày tải lên: 14/08/2014, 02:22

... the search to only those that handle every platform might exclude some very good products or force the selection of the wrong product. Many vendors will consider porting their products to a new operating ... At one time, Transarc was working on an API to which some of the vendors were going to port. As of this writing, however, only one company seems to have backup support for DFS. If DFS i...

Ngày tải lên: 14/08/2014, 02:22

... the basic "boot" information. The main part of this block is the location on the disk where the kernel is stored. This block of boot information, or boot block, is stored outside, or "in ... up the recovery disk to look the same as the old root disk, and mount it. 5. Recover the OS to the mounted disk. 6. Place the boot block on the mounted disk. 7. Reboot. What Is the Boo...

Ngày tải lên: 14/08/2014, 02:22

... need of recovery is to try and start the instance. Do this by issuing the oninit command with no options. If it works, it just returns the prompt to you. You also could see one of two errors. curtis ... 433 records the problem to the online log file.) The error that you receive may look something like the following: oninit: Cannot open chunk '/informix/rootdbs.dbf'. errno = 2 Ac...

Ngày tải lên: 14/08/2014, 02:22

... files before doing any of this. That offers an "undo" option that isn't possible otherwise. (Also make copies of the online redologs as well.) With the names of all of the control files ... there is no way to undo this step, it is a good idea Page 52 2 to make copies of the online redolog files now. To find out all their names, run the following command on a mounted, closed da...

Ngày tải lên: 14/08/2014, 02:22

... server VOBS='cleartool lsvob -host $HOST¦sed 's/*//' ¦awk '{print $1}'' case $1 in lock ) for VOB in $VOBS ; do # (Lock VOBS) cleartool lock -c 'VOB backups in progress' ... it for each transaction dump. load transaction baddbname from '/dev/nrmt0' For more information on how to load dumps and transaction logs, please refer to '&apos...

Ngày tải lên: 14/08/2014, 02:22

... a commercial backup product, you have the option of putting the stacker into random-access mode and allowing the backup product to control it. (Control of automated backup hardware is almost ... looked at any single point in time. You could restore the first file to how it looked at 10: 15, and the second file to how it looked at 11: 05. However, they need to be restored together. I...

Ngày tải lên: 14/08/2014, 02:22

... Option (see XPO) extents, physically contiguous, 355 instances backups, 409 storing on server, 366 logical log, 373 Online Backup and Recovery (onbar), 204 recovering, 428- 454 rootdbs, loss of, ... 123 miniroot booting system to, 254 IRIX, bare-metal recovery with, 3 15 IRIX, copying to system disk, 306 IRIX system, booting from, 318 mirroring, 462 control files, 486 importance o...

Ngày tải lên: 14/08/2014, 02:22