Creation of oracle directory structure on mounted file system in linux

Hi,
I need to use datapump utility for which directory structure would be required. since my dump files are stored another system i usually mount the file system, can i create oracle directory structure on mounted filesystem in linux? do suggest urgently. thanks in advance.

Yes you can why not

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RMAN to Disk (shared mounted file system) then secure backup to Tape

Hi
This is a little away from the norm and I am new to Oracle secure Backup.
We have several databases on physically separate servers, all backup to a central disk (a ZFS shared file-system).
We have a media server also with the same mounted file-system so it can see all of the RMAN backups there.
Secure backup is installed on the media server and is configured as such.
The question I have is I need to backup the file system to tape where all the RMAN backups live, I have configured the data set but I get file permission errors for each of the RMAN backup files in the directory.
I have tried to change these permissions but to no avail (assuming it is just a read write access change that is needed - but this may be a problem in the long run). What is the general process for backup of already created RMAN backups sat in a shared area? I know its not the norm to do to disk then to tape backups but can this be done? I would have installed Secure backup client on each server and managed the whole backup through secure backup but this is not possible I must do the to tape from the file system, any advise and guidance on this would be much appreciated.
Kind regards
Vicky
Edited by: user10090654 on Oct 4, 2011 4:50 AM

You can easily accomplish a very streamlined D2D2T strategy! RMAN backup to disk...then backup that disk to tape via RMAN and OSB. Upon restore, RMAN will restore from best media disk or tape based on where files are located.
Donna

Data Structure of ReFS file system

Hi All
Is there anyone who can explain Data Structure of ReFS file system
Regards

Hi,
Resilient File System (ReFS) is a new file system, it is a cost-effective platform that maximizes data availability, scales efficiently to very large data sets across diverse workloads, and guarantees data integrity by means of resiliency to corruption (regardless
of software or hardware failures).
The following link can also be helpful for you:
http://blogs.msdn.com/b/b8/archive/2012/01/16/building-the-next-generation-file-system-for-windows-refs.aspx
https://technet.microsoft.com/en-in/library/hh831724.aspx?f=255&MSPPError=-2147217396
http://blogs.technet.com/b/askpfeplat/archive/2013/01/02/windows-server-2012-does-refs-replace-ntfs-when-should-i-use-it.aspx
Regards
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]

Detailed Data Structure of ReFS file system in context of Forensic analysis

Hi
Please explain detailed Data Structure of ReFS file system in context of Forensic analysis ?
Regards

Hi，
I am not expert about this, this page links to ReFS resources that include Microsoft documentation
As of today, ReFS is only available in Windows Server 2012 and ReFS is expected to be part of the flagship Windows desktop OS.
Resilient File System Overview
https://technet.microsoft.com/en-us/library/hh831724.aspx?f=255&MSPPError=-2147217396
Improve File Server Data Resiliency with ReFS in Windows Server 2012
http://blogs.technet.com/b/keithmayer/archive/2012/10/15/refs-in-windows-server-2012.aspx#.Ug0MvpLksaQ
Windows Server 2012: Does ReFS replace NTFS? When should I use it?
http://blogs.technet.com/b/askpfeplat/archive/2013/01/02/windows-server-2012-does-refs-replace-ntfs-when-should-i-use-it.aspx
Resilient file system, MSDN reference
https://msdn.microsoft.com/en-us/library/windows/desktop/hh848060%28v=vs.85%29.aspx?f=255&MSPPError=-2147217396
forensic images of ReFS volumes, and data structures.
http://www.williballenthin.com/forensics/refs/
Please note: Since the website is not hosted by Microsoft, the link may change without notice. Microsoft does not guarantee the accuracy of this information.
Regards
D. Wu
Please remember to mark the replies as answers if they help, and unmark the answers if they provide no help. If you have feedback for TechNet Support, contact [email protected]

How to work with file system in linux within a JSF app?

I use this line in my backing bean to log some events:
FileHandler fhxml = new FileHandler("../webapps/MyWebApp/Log/MyWebAppLog.xml", append);
fhxml.setFormatter(new XMLFormatter());That works fine in windows but when I deploy it in my Tomcat 6 in linux It doesn't work. How can I work with file system in linux?

You should never use relative paths to access the filesystem. The path would be relative to the current working directory which is not per se the same in all environments. To convert a relative web path to an absolute file system path, you need ServletContext#getRealPath(). Use this absolute file system path in the java.io stuff. In a JSF application on top of Servlet API you can get the underlying ServletContext by ExternalContext#getContext().
Alternatively, if the file is located in one of the default paths of the classpath or if its path is added to the classpath, you can also just use ExternalContext#getResource() or even #getResourceAsStream() using just the file name.

Cannot mount file system

Hi,
I have had great advice on this board, and thought maybe someone could help me out. I am following the instructions on installing Enterprise Linux on VMServer. I have just about completed the install, but have ran into the following error message at this step of the instructions:
Format the file system. Before proceeding with formatting and mounting the file system, verify that O2CB is online on both nodes; O2CB heartbeat is currently inactive because the file system is not mounted.
# /etc/init.d/o2cb status
Module "configfs": Loaded
Filesystem "configfs": Mounted
Module "ocfs2_nodemanager": Loaded
Module "ocfs2_dlm": Loaded
Module "ocfs2_dlmfs": Loaded
Filesystem "ocfs2_dlmfs": Mounted
Checking O2CB cluster ocfs2: Online
Checking O2CB heartbeat: Not active
You are only required to format the file system on one node. As the root user on rac1, execute
# ocfs2console
1. OCFS2 Console: Select Tasks, Format.
2. Format:
* Available devices: /dev/sdb1
* Volume label: oracle
* Cluster size: Auto
* Number of node slots: 4
* Block size: Auto
3. OCFS2 Console: CTRL-Q to quit.
Mount the file system. To mount the file system, execute the command below on both nodes.
# mount -t ocfs2 -o datavolume,nointr /dev/sdb1 /ocfs
On rac1, the command to mount the file system works great, no errors. But on rac2, I get the following error:
[root@rac2 ~]# mount -t ocfs2 -o datavolume,nointr /dev/sdb1 /ocfs
ocfs2_hb_ctl: Bad magic number in superblock while reading uuid
mount.ocfs2: Error when attempting to run /sbin/ocfs2_hb_ctl: "Operations not
permitted"
Does anyone have an idea, I have followed the instructions to the letter, and this is the first error that has me stopped.
Thanks,
Zach

Hello -
I installeded and configured ocfs2 on one of my nodes in my Linux cluster. However, when I run this command on the first node (2 nodes in my cluster):
/etc/init.d/o2cb status
I see the following heartbeat error:
Driver for "configfs": Loaded
Filesystem "configfs": Mounted
Driver for "ocfs2_dlmfs": Loaded
Filesystem "ocfs2_dlmfs": Mounted
Checking O2CB cluster prycluster: Online
Heartbeat dead threshold = 31
Network idle timeout: 30000
Network keepalive delay: 2000
Network reconnect delay: 2000
Checking O2CB heartbeat: Not active
Any ideas why I would see heartbeat as inactive? Also when I try to make the cluster filesystem online on my other node, I get this error:
Starting O2CB cluster prycluster: Failed
Cluster prycluster created
Node jtcperfloradb01 added
o2cb_ctl: Internal logic failure while adding node jtcperfloradb02
Stopping O2CB cluster prycluster: OK
Any help would be greatly appreciated!
Thanks,!

Zfs destroy DOES NOT CHECK NFS mount file-systems

I asked this question twitter once and the answer was a good one, but I did some checking today and was surprised!!
# zfs destroy mypool/home/andrew
The above command will destroy this file-system no questioned asked but if the file-system is mounted you will get back the Device busy and if you have snapshot then they will be protected as well
server# zfs destroy mypool/home/andrew
cannot unmount 'tank/home/andrew
server# zfs destroy dpool/staff/margaret
cannot destroy 'dpool/staff/margaret': filesystem has children
use '-r' to destroy the following datasets:
dpool/staff/margaret@Wed18
dpool/staff/margaret@Wed22
BUT?
server# zfs destroy dpool/staff/margaret@Wed18
server# zfs destroy dpool/staff/margaret@Wed22
NFSclient# cd /home/margaret
NFSlient# ls -l
drwx------+ 2 margaret staff 2 Aug 29 17:06 Mail
lrwxrwxrwx 1 margaret staff 4 Aug 29 17:06 mail -> Mail
drwx--x--x+ 2 margaret staff 2 Aug 29 17:06 public_www
server# zfs destroy dpool/staff/margaret
server#
GONE!!!
I will file a bug report to see what Oracle say!
Comments?
I think there should be a hold/protect of file-systems
# zfs hold dpool/staff/margaret
Andrew

The CR is already filed:
6947584 zfs destroy should be recoverable or prevented
The zfs.1m man page, which covers the mounted case and the ZFS admin guide are pretty clear
about the current zfs destroy behavior.
http://docs.oracle.com/cd/E23824_01/html/821-1448/gamnq.html#gammq
Caution - No confirmation prompt appears with the destroy subcommand. Use it with extreme caution.
zfs destroy [-rRf] filesystem|volume
Destroys the given dataset. By default, the command
unshares any file systems that are currently shared,
unmounts any file systems that are currently mounted,
and refuses to destroy a dataset that has active depen-
dents (children or clones).
I'm sorry that you were surprised.
Accidents happen too, like destroying the wrong file system, so always have good backups.
Thanks, Cindy

Limitations: Mounting File systems

Hi,
We have a requirement to communicate 30 odd application system through XI.
Mostly they are File to SAP or viceversa scenario.
Instead of using FTP Transport protocol, we are planning to use NFS as FTP goes heavy on performance.
Is there any limitation on mounting maximun file systems on XI(on unix) server.
Also suggest the best practice(NFS or FTP) for these kind of scenarios where volume of data and number of interfaces are very high.
Best Regards,
Satish

..."I understand the use of /etc/fstab is now deprecated."...
This is true - but they have been saying that since at least 10.3. Well, "/private/etc/fstab" still working fine in 10.5.1 so I don't imagine there will be a problem continuing to use it for the time being.
In Leopard, it looks like the information is automatically imported into "DirectoryService" under "/mounts" so it might also be possible to configure the mountpoints from there...

Want to be able to mount file systems in my computers at home

Hi,
I have 2 apple computers , a mac pro and an ibook and I want to be able to mount the file system from one to the other to transfer files. What software do I need to do this?
I suppose I could use an FTP server just to transfer files is there one for free?
Or if I actually want to mount the file system , what do I need?
thanks
-Malena

As sig said, firewire is a really good way to do this. It is one of the easiest and fastest and most painless ways to do this.
If it is not so convenient for you to tether up one computer to the other via firewire, if the computers are on the same home network, enable personal file sharing (Sys Prefs > Sharing > Services) in at least one of them. Then you should see it on the other computer when you do ⇧⌘k in the Finder. Double-click on it and its icon should mount on your desktop. Open it, then drag and drop the files. If on the same home network and you enable ftp or remote login (Sys Prefs > Sharing > Services again), you can do it from the command line, no extra software required.
If they are not on the same network, e.g., one is at work and the other is at home, this can still be done fairly easily and fairly painlessly in a hack-proof manner by tunneling your file sharing port through secure shell. If you want to do it that way, that's a bit more involved to initially set up, but really not difficult to do. Post back if you want help doing that.

Won't mount, file system not recognised

I'm trying to download firmware from Netgear's website but when I try to mount the files they say the file system is not recognised.
I'm trying to get hold of Netgear as well but I thought someone here might have some suggestions too while I wait for a response from Netgear.
The two files I've tried so far are:
http://kbserver.netgear.com/release_notes/D102713.asp
ftp://downloads.netgear.com/files/dg834v2_1022.zip
http://kbserver.netgear.com/release_notes/D103044.asp
ftp://downloads.netgear.com/files/dg8343_0132.zip

My mistake. The file I was trying to mount isn't intended to be mounted. You're actually meant to upload this .img file directly to the modem.

File System For Linux

Hello friends
I am installing ECC 6.0 on SuSE 10 in cluster based environment, can any one guide me in Creating file system on such environment.
Thanks
Mahesh

Hello,
>400 MB of disk space in the /tmp directory
>Up to 4 GB of disk space for the Oracle software, depending on the installation type and platform
>1.2 GB of disk space for a preconfigured database that uses file system storage (optional)
Shared /dev/sda
Disk /dev/sda: 300.0 GB, 300090728448 bytes
255 heads, 63 sectors/track, 36483 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 1 13 104391 83 Linux
/dev/sda2 14 19 48195 83 Linux
/dev/sda3 20 32 104422+ 83 Linux
/dev/sda4 33 36483 292792657+ 5 Extended
/dev/sda5 33 38 48163+ 83 Linux
/dev/sda6 39 44 48163+ 83 Linux
/dev/sda7 45 169 1004031 83 Linux
/dev/sda8 170 294 1004031 83 Linux
/dev/sda9 295 419 1004031 83 Linux
/dev/sda10 420 544 1004031 83 Linux
Raw bindings
#raw -qa
/dev/raw/raw1: bound to major 8, minor 1
/dev/raw/raw2: bound to major 8, minor 2
/dev/raw/raw3: bound to major 8, minor 3
/dev/raw/raw4: bound to major 8, minor 5
/dev/raw/raw5: bound to major 8, minor 6
/dev/raw/raw6: bound to major 8, minor 7
/dev/raw/raw7: bound to major 8, minor 8
/dev/raw/raw8: bound to major 8, minor 9
/dev/raw/raw9: bound to major 8, minor 10
Able to mount all from both nodes
Vinod

Keep directory structure for extra files after installation

I'm working on an AIR project in Flash CS5 that has some additional support files in a folder called "data". In my publish setting, I included this folder. When I run a test install of the AIR file, I no longer have a "data" folder in my installation directory. How can I have the installer create this folder so I can access the support files?
BTW, I'm on a Mac and only see the .app file after installation. The support files will hold application preferences that need to be read and written to.

Unfortunately, I am not able to reproduce the prodblem. To reproduce I added a folder called testFiles in the AIR Settings Window(In Included Files Section) shown below. And I got the same in Program Files when i installed the app.
Am i doing anything different than you? BTW I am testing on Windows for now.

How do I copy the directory structure without the files?

I have a folder for Expenses and subfolders under that with expense types such as Meals, Travel, Equipment, etc. I call this folder Expenses 2011.
I would like to create a folder for Expenses 2012 with all of the same sub folders but don't want to copy the files that are there since I would like them empty for the new year.

Well, you could try writing an AppleScript for that. You can search at MacUpdate or CNET Downloads to see if you can find a utility that does it. I did a quick check and did not find anything.

Structure of DBFS file system

If we configure KM to use a CM repository in DBFS mode, will the files be all stored in a single folder or will the repository manager distribute the files amongst multiple folders?
Thanks.
Regards,
Mel Calucin
Bentley Systems

Hi Michael,
Thanks for the response.
Our data center manager is concerned about any system that would just store all files in a single folder with no hierarchy and not in some folder hierarchy. He had issues with Siebel when it did this. He has no intention of manipulating the files or file structures. As long as it has some folder structure, he is ok with this solution. Please confirm that this is the case.
Thanks.
Regards,
Mel Calucin
Bentley Systems, Inc.

Show tree folder structure of file system directory

Hi,
I am new to flex.
I am using AS3
I am creating web application.
I want to show the tree directory structure of the file system similar to what we seen in applet.
Is there any component in flex, which will do that?
Can it be possible in web application?
Thanks,
Tushar

Hi,
Use the FileSystemView class of javax.swing.filechooser
create an instance of the view and choose the method:
File root = FileSystemView.getHomeDirectory();as your root file object.
Maybe you need to do some modifications on your FileTreeModel...
under windows the desktop node and the first level nodes down from there
are not real file-objects ...
Olek

Creation of oracle directory structure on mounted file system in linux

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