RAID 0+1 using ExpressCard/34 with double eSata

I have a problem, and maybe someone here can help me a bit. Many thanks in advance.
I am doing a lot of RAW photo editing and also sometimes video processing. I want my pictures and video to be stored on an external hard drive connected to my MAC BOOK PRO using ExpressCard/34 and at the same time I want to have continuous backup of my files. I am thinking of playing a bit with RAID 0+1. Here is my plan:
I am planning to buy two WD My Book® Studio Edition™ II 1TB external drives (http://www.wdc.com/en/products/products.asp?driveid=409). The drive itself operates as RAID 0 (striped) build from two drives 500 GB each - I understand that this way it is faster than one 1TB drive. I think of connecting these two drives to my Mac Book Pro using eSata Interface using eSATA II 2-Port ExpressCard-M form SIIG (http://siig.com/ViewProduct.aspx?pn=SC-SAEE12-S1 - seems to be recommended by WD). Then, by using Disk Utility, I plan to create a RAID 1 (mirrored) set consisting of these two external drives.
What I am expecting is to have something like RAID 0+1 and I expect this to be a better (faster) solution than buying one big WD My Book® Studio Edition™ II 2TB (2x1T internally) and using it in the RAID 1 configuration (which can be set by using the software provided by WD with the drive).
If anyone have some experience with RAID (main is close to 0) then I would be very thankful to read your comments.
I expect the configuration with 2 external drives connected via eSata to be faster than one 2TB (2x1TB) drive working in RAID 1 configuration. I am also wondering if my "RAID 0+1" will be much slower than one WD 1TB external drive (which is 2 drives working as RAID 0) or this is still comparable.
Thank you for your help. Much appreciated !
Marcin

Hi Danny,
Yes, I did read it, but it did not address my particular situation - i.e. all four drives connected to the promise controller. The bits that do seemed to be saying "look at the manual", which isn't helping me. Last night, I updated the mainboard bios to 2.4, which didn't make any difference, so I'm still stuck.
Thanks for taking the time to reply
Tony

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Using TIME MACHINE with a TIME CAPSULE

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Contents
|
QUESTIONS
*Q1. How do I set up Time Machine to back up to my Time Capsule?*
*Q2. How do I set up Time Machine to back up to a USB drive connected to my Time Capsule?*
*Q3. Can I use my Time Capsule for Time Machine backups AND other data?*
*Q4. My Time Capsule is too small to back-up my Mac(s). Now what?*
*Q5. Should I delete backups? If so, how?*
*Q6. How do I back-up my Time Capsule and/or USB drive(s) connected to it?*
If you don't see your question here, try the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum.
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PROBLEMS
*P1. The Backup disk image could not be created.*
*P2. Time Machine could not complete the backup . . sparsebundle could not be accessed. (Error 109).*
If you don't see your problem here, try the Time Machine - Troubleshooting *User Tip,* also at the top of the +Time Machine+ forum.
QUESTIONS
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_*Q1. How do I set up Time Machine to back up to my Time Capsule?*_
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First, set up your Time Capsule via +Airport Utility.+ Keep the name you assign to it, your Computer, and your network short (under 25 characters), and avoid embedded spaces, special characters, and punctuation (see item #P1 below for details). Make sure your Mac can connect via an Ethernet cable, if at all possible, as well as wirelessly.
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a. If the +Time Machine+ icon isn't already in your Dock, drag it there from your Applications folder. See below for more about it's use.
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Note that this first backup will copy the entire contents of your system, except for a few things that are skipped automatically, such as system work files, most caches, your logs, trash, etc., and anything else you may have excluded (see #10 and #11 in the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum). So it will be rather lengthy, depending on how much data is on your system, whether you're connected via Ethernet or WIFI, and if WIFI, how good the signal is.
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_*The Time Machine Icons in your Menubar and/or Dock*_
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In the steps above, you dragged the TM Application's icon into your Dock, and clicked the +Show Time Machine status in the menu bar+ box.
For detailed info about them, see question #24 in the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum.
+Go to Top+
_*Q2. How do I set up Time Machine to back up to a USB drive connected to my Time Capsule?*_
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Mostly the way you set it up to use the Time Capsule's internal HD.
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*RAID Sets connected to a Time Capsule:*
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Time Machine will back up to a +Hardware Mirrored RAID set,+ also called +RAID 1,+ (sold that way, with multiple drives in the same enclosure). However, if you partition the +Hardware Mirrored RAID set,+ once you start using it with TIme Machine, you cannot change the sizes later and continue to back up to the same set of backups.
While you can connect multiple USB drives to a Time Capsule via a USB hub (a powered one is best), Time Machine +*will not+* back up to a +software Mirrored RAID+ set (where you combine the drives into a single volume via Disk Utility).
+Go to Top+
_*Q3. Can I use my Time Capsule for Time Machine backups and other data?*_
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You can put other data on your Time Capsule's internal HD, but there are three major considerations:
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a. Start the +Disk Utility+ app (in your Applications/Utilities folder). Click the +New Image+ icon in the toolbar (or select +File > New > Blank Disk Image+ from the menubar). If the little arrow to the right of the "Save As" box points down, click it so it points up.
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f. Select the Size for the amount of space you want to reserve, either one of the pre-sets or Custom which allows any size. Avoid taking all the remaining space for the disk image, as Time Machine needs a bit of room to operate. Also note that if very little space is left, it will begin deleting old backups very soon, to make room for new ones.
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|
When complete, the new disk image will be automatically mounted on your Mac's desktop, ready to receive the files you want to move into it. (When you first open a disk image, there may not be a sidebar and/or toolbar; if so, select +View > Show Toolbar+ from the Finder menubar.)
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Note that you may be able to change the size of the disk image later, via +Images > Resize+ from the Disk Utility menubar (while the disk image is not mounted or selected in Disk Utility's sidebar).
+Go to Top+
_*Q4. My Time Capsule is too small to back-up my Mac(s). Now what?*_
|
You can attach a USB drive to your Time Capsule. Then you can back up to the USB drive instead of the Time Capsule's internal HD. If you have multiple Macs, you can back some up to the TC's internal drive, and others to the USB drive.
If you need even more space, you can connect multiple USB drives via a hub (a powered one is usually best), and back up different Macs to each. What you cannot do, however, is have one Mac's backups continue from the Time Capsule's internal HD to a USB drive connected to it, or have the backups for any one Mac "span" two drives.
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See question #Q2 above for setup instructions for backing-up to the USB drive.
+Go to Top+
_*Q5. Should I delete backups? If so, how?*_
|
It depends on exactly what you want to do, and why.
Under normal circumstances, you shouldn't have to delete anything. TM automatically "thins" (deletes) backups every time it does a new backup, on the following schedule:
"Hourly" backups after 24 hours (except the first of the day, which is a "Daily" backup).
"Daily" backups after a month (except the first of each week, which is a "Weekly" backup.)
"Weekly" backups are kept until TM needs the space for new backups; then one or more of the oldest weeklies will be deleted.
However, TM will never delete the backup copy of anything that was on the disk being backed-up at the time of any remaining backup. So all that's actually deleted are copies of items whose originals were changed or deleted before the next remaining backup.
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To delete individual backups, or all backups of selected item(s), see #12 in the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum.
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To delete all the backups for one Mac, without disturbing anything else on a connected USB drive, either open the USB drive via the Finder and delete the sparse bundle associated with that Mac, or disconnect the drive from the TC, connect it directly to your Mac, and delete the sparse bundle from there.
+Go to Top+
_*Q6. How do I back-up my Time Capsule and/or attached USB drive(s)?*_
|
That depends to some extent on what you want to back up, and where it is.
It's generally not a good idea to try to back-up your Time Machine backups. If there's a problem with them, it will be copied to (and perhaps magnified on) the copy.
A better solution is probably to use either Time Machine or a different application to make separate, independent backups of your Mac, to a different destination. A portable external hard drive is great for this; you can periodically connect it to your Mac, make a backup, then take it to a secure off-site location, so you're protected against fire, flood, theft, direct lightning strike on your power lines, etc. If you use Time Machine for this, you'll have to use the disk selection process each time you want to switch, via +Time Machine Preferences.+
Many folks use the CarbonCopyCloner or SuperDuper! apps to make "bootable clones" of their internal HD to an external HD. While these usually don't have "archived" copies of previous versions of things you've changed or deleted, you can boot and run your Mac from them if your internal HD fails. Your Mac may run a bit slower, but it will be usable. Both are easily found via Google.
Since Time Machine cannot back up your Time Capsule's internal hard drive, or a USB drive connected to it, if you have other data there, you'll need a different method to back up that other data.
In a pinch, you can disconnect a USB drive from your Time Capsule, attach it to your Mac, and copy or back it up that way.
|
There is a procedure that will let you "archive" the TC's internal disk to a USB drive connected to it.
But it's not quick, since since the data must be read from the TC's internal disk to your Mac, then sent *back through the Time Capsule* to the connected USB drive. And it's "all or nothing" -- you can only use this procedure to copy the entire contents.
All users will be disconnected from both the internal HD and the connected USB disk (but the network will remain usable).
Attach a USB drive with at least as much free space as the total amount of data on the TC's internal HD (see #5 in the Frequently Asked Questions *User Tip,* also at the top of the +Time Machine+ forum, for formatting instructions).
Turn Time Machine "Off" via +Time Machine Preferences.+ Stop all processes that may be accessing the Time Capsule's disk. If possible, connect your Mac to the Time Capsule with an Ethernet cable -- it will still be slow, but faster than WIFI.
Then follow this Apple procedure: Using AirPort Utility 5.3.1 or later to make a copy of the Time Capsule disk.
+Go to Top+
PROBLEMS
|
_*P1. The Backup disk image could not be created.*_
|
Oddly enough, Time Machine can be rather picky about the way certain things are named.
Check your +*Computer Name*+ at the top of the System Preferences > Sharing panel.
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After changing it, click the Edit button and make the corresponding change to the +*Local Hostname.+*
If that doesn't help, apply the same rules to the name of your Time Capsule and Network, via +Airport Utility.+
+Go to Top+
_*P2. Time Machine could not complete the backup .. sparsebundle could not be accessed. (Error 109).*_
|
The sparsebundle containing your backups is corrupted.
Try Repairing it, per #A5 in the Time Machine - Troubleshooting *User Tip,* also at the top of the +Time Machine+ forum.
If the sparsebundle is on your Time Capsule's internal HD, and Disk Utility can't fix it, your only option is to delete it (or erase the TC's disk), and let Time Machine start over. You may be able to prevent this from happening again by changing the names per problem #P1 above.
If the sparsebundle is on a USB drive connected to your Time Capsule, and Disk Utility can't fix it, it's possible a heavy-duty 3rd-party +Disk Repair+ application, such as +Disk Warrior+ can. (You'll have to connect the drive directly to your Mac.) These are not cheap, and there's no guarantee they can fix it. Be certain whatever you use is compatible with your OS. For Disk Warrior, you need at least version 4.1.1 for Leopard, 4.2 for Snow Leopard.
+Go to Top+

This tip is ready for consideration.
It is an update to the current Tip at: http://discussions.apple.com/thread.jspa?threadID=2296894
Changes:
Q1: replaced info about the TM icons with a link to the TM FAQ tip.
Q2: added info about RAID sets attached to a TC
Q6: reworded a bit and replaced last paragraph with a link to the Apple article.

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1. CMS Enterprise Users
If can successfully import CMS Enterprise Users and add them to the ADMIN Team, e.g. "Miller".
The problem is they can't be used to log in to the Admin Client and Excel Client:
E.g. I enterUser-ID "Miller" and his CMS-Enterprise-password under password after starting Excel Client, an error message shows up: "The UserID, Password or Domain cannot be authenticated. Go back and make sure you entered valid credentials" ... (same error message as if the user wouldn't exist/wrong pw.).
Seems the user wasn't added as BO PC user. Or do I need to use any prefix before the "user ID" for CMS Enterprise users in the User_ID field instead of just "Miller"?!
2. CMS Users which use SAP-authentication (users imported into CMS from BW and use SAP-authentication)
In the BO PC Admin Client, I can't import them: I go through "1. User Setup" select "KBE~100/Smith", "2. User Detail", "3. Assignments", but if I am in "4. Finish" and click on "Apply", the following error shows up:
"Failed to create directory \root\Webfolders\<AppSetName>\<Appname>" for "KBE~100/Smith".
My guess is that the operating system doesn't like the "/" in the Username - but I guess this can't be changed bc. these Users from CMS and are already displayed with the "/" between SAPSystemID~ClientNummer and username in the User-list in BOPC Admin Client!
side remark: if I create a SAP CMS Enterprise user which contains a "/" in the username (on pupose ), I am getting the same error message.
Any help, explanations and workarounds are greatly appreciated - Any solution will be awarded with maximum points!
Best Regards and thanks a lot for your help!

Hi Florian,
The problem seems indeed the file system on the bw not being able to handle "/". The automatic user import from the bw role into the CMC does not give you an option to replace the "/" character with anything else.
This should solve it:
- Go to the CMC double click the user. Delete the server part "KBE100/" and click save. Make sure the default system is set to "KBE100". The user should now be able to login from BPC with the user Smith.
Good luck,
Martin

Bug with double division ??

Hello,
first sorry my bad english...
I am trying to convert a C program in java and i had a big problem with double division.
For example, my program needs to do that :
double d = 2. * 3.1415926 ;
double d2=511;
double d3=d/d2;
The value in memory of d3 is 0x3f892e92965e074e whereas with my original C program, for the same code) the value in memory is 0x3f892e92965e074d !!!!!! (the last byte is different)
So what is the problem ? Is the double division in java different with the C language or is it my code which has a problem ??
Thanks a lot

It could be different than (some implementation of) C, but that doesn't mean it's a bug or a problem. Java is supposed to implement an IEEE floating point specification; if you can demonstrate that it's not following that spec (I think it's IEEE 754) then report it as a bug. Incidentally, do Java and your version of C implement 3.1415926 the same way?
(Also, if that number is supposed to be pi, then the inaccuracy you claim in Java is much less than the inaccuracy you made by using an approximation to pi.)

LightScribe SuperMulti DVD±R/RW with Double Layer Support is no longer able to read all lightscribe discs(Blank or Containing Data)

Hi,
The product Name of my computer is: HP Pavilion dv6-6093ex Entertainment
Notebook PC support
The number of my computer is : LM610EA#A2N.
Could anyone please at this splendid forum take some of their precious time
out to really reply my questions and solve my problems?
FIRST OF ALL:
My HP Pavilion Laptop is about 3 years old.
My
sister's Dell Inspiron laptop is 3 years old.
My HP laptop is well-cared, as opposed to my sister's Inspiron Dell laptop, which is always thrown in dust without caring at all. Also, its battery is always inserted even when it is fully charged while the laptop is plugged in to the main power supply.
However, my laptop is either used on only battery, or on plugin. Also, it is kept from the dust. But, I really found that the battery of the Dell laptop still lasts about three and half hours, and there is no problem cooling fan is not properly properly.
I only remember one thing differently done on my laptop battery which is I charged it fully, then I stored it without using it for about four months, then when I reused it, I found it got worse over time. I.e. first time of using it after storing,I found
it empty, then I charged it again fully, however, then it lasted about 2 hours, then 1 and half hours, next an hour, now it is only lasting about 20 minutes without performance. If there is high performance, then
the computer shuts down suddenly.
My problem is follows:::
First: Whenever I inserted any Containing Data OR Data CD/DVD-RLightScribe discs, I found that HP optical driver was
unable to read them. When clicking on the optical disc drive 'double-click' while disc was inserted, then I found that disc opened as this way(NOTE: With a CD/DVD player is grayed out)
I was told 'I suspect the culprit might be hardware and lightscribe dive might be
corrupt. Please sent it to service center to check. In addition, this thread could be as a reference:
http://answers.microsoft.com/en-us/windows/forum/windows_vista-hardware/media-in-cddvd-drive-is-not-readable/794fe26a-7e47-45c4-a50b-0af2ed53f75b'
Since no one replied to me at HP forums, although my HP laptop is one of their products, I had to post my problem here to know if my driver is corrupted and needs to be replaced or not.
Blank Or Used(containg data) CD/ DVD ±R/RW lightscirbe is unable to be read by optical drive
When clicking on drive 'duble-click', I found it opens like a USB FlashDrive or With a CD,DVD player, however,
: Bare in mind that 'with CD/DVD Player'
is grayed out)
Not Blank(containing data) CD/ DVD ±R/RW NON -Lightscirbe disc opens normal:
Blank CD/ DVD ±R/RW NON-lightscirbe opens normal(Opens like
a USB FlashDrive or With a CD,DVD)::
My LightScribe System Software version is:
I've tried installed the latest version of lightscribe software, then I run
the diagnostic utility, however, the problem still persists.
My HP CD/DVD DVDآ±R/RW specs are::
Optical Drives
hp CDDVDW TS-L633R
Media Type DVD Writer
Name hp
CDDVDW TS-L633R
Availability Running/Full Power
Capabilities Random
Access, Supports Writing, Supports Removable Media
Read capabilities CD-R,
CD-RW, CD-ROM, DVD-RAM, DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD-R DL, DVD-RW
DL, DVD+R DL
Write capabilities CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R,
DVD+RW, DVD-R DL, DVD+R DL
Config Manager Error Code Device is working
properly
Config Manager User Config FALSE
Drive E:
Media Loaded
FALSE
SCSI Bus 0
SCSI Logical Unit 0
SCSI Port 0
SCSI Target Id
1
Status OK
Trying to solve the problem,
I have done these steps in order::
I tried checking with dignostic ulitiy:
I have tried Advanced View , this is the file of output data ofdignostic utlity
LightScribe System Software Settings:
SOFTWARE\LightScribe\MessageDir C:\Program Files (x86)\Common Files\LightScribe\
SOFTWARE\LightScribe\LSPrintDialog C:\Program Files (x86)\Common Files\LightScribe\LSPrintDialog.exe
SOFTWARE\LightScribe\LSPrintingDialog C:\Program Files (x86)\Common Files\LightScribe\LSPrintingDialog.exe
SOFTWARE\LightScribe\LsPrintLauncher C:\Program Files (x86)\Common Files\LightScribe\LSPrintLauncher.dll
SOFTWARE\LightScribe\ResourceDir C:\Program Files (x86)\Common Files\LightScribe\res
SOFTWARE\LightScribe\LSPrintAPI C:\Program Files (x86)\Common Files\LightScribe\LSPrintAPI.dll
SOFTWARE\LightScribe\Update\UpdateShellCommand http://www.lightscribe.com/go/downloads/windows
SOFTWARE\LightScribe\Update\PreviousVersion 1.18.20.1
SOFTWARE\LightScribe\Update\CurrentVersion 1.18.27.10
SOFTWARE\LightScribe\Update\TrailingVersion
SYSTEM\CurrentControlSet\Services\LightScribeService\Type 16
SYSTEM\CurrentControlSet\Services\LightScribeService\Start 2
SYSTEM\CurrentControlSet\Services\LightScribeService\ErrorControl 0
SYSTEM\CurrentControlSet\Services\LightScribeService\
SYSTEM\CurrentControlSet\Services\LightScribeService\DisplayName LightScribeService Direct Disc Labeling Service
SYSTEM\CurrentControlSet\Services\LightScribeService\ObjectName LocalSystem
SYSTEM\CurrentControlSet\Services\LightScribeService\Description Used by the LightScribe software components to support 3rd party disc labeling applications using the LightScribe COM Application Programming Interface (LSCAPI). This service needs to run for LightScribe direct disc labeling to work.
SYSTEM\CurrentControlSet\Services\Eventlog\Application\LightScribeService\
SYSTEM\CurrentControlSet\Services\Eventlog\Application\LightScribeService\
SYSTEM\CurrentControlSet\Services\Eventlog\Application\LightScribeService\TypesSupported 7
SYSTEM\CurrentControlSet\Services\Cdrom\Enum\0 IDE\CdRomhp_CDDVDW_TS-L633R______________________0300____\4&334f7860&0&0.1.0
SYSTEM\CurrentControlSet\Services\Cdrom\Enum\Count 2
SYSTEM\CurrentControlSet\Services\Cdrom\Enum\NextInstance 2
SYSTEM\CurrentControlSet\Services\Cdrom\Enum\1 SCSI\CdRom&Ven_ELBY&Prod_CLONEDRIVE&Rev_1.4\1&2afd7d61&0&000000
SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\allocatecdroms 0
SYSTEM\CurrentControlSet\Services\CDRom\autorun 1
SOFTWARE\INTEL\Intel Application Accelerator Not detected
Drives and Media:
Drive 0 : hp CDDVDW TS-L633R 0300 219 (E:), Media Imaging Parameter : 114
I tried running the below command line to fix potential disk issue 'Chkdsk/r /f'
I cleaned the drive, discs, and so on.
I have uninstalled the all third-party data recording software.
I have uninstalled the Cyber DVD suite, lightscribe system software
which came pre-installed with my HP pavilion Notebook.
I have recovered my system from the HP Factory Recovery discs.
I have tried opening all those LightScibe discs not opening on my HP optical drive, on a Dell optical drive, and all of them were opened well, although Dell optical drive did not have a lightscribe feature at all., nor third party disc recording software.
However, the problem is still with opening the discs LIGHT-SCRIBE.
Thus, my questions are:
How to determine if the drive is corrupted and needs to be replaced with another one.
I think there something needed to be done on the BIOS Of my HP laptop[[[A similar problems happened on my Desktop computer's optical drive which is as follows (ALL discs are opened as empty by Optical Drive of My Desktop Computer) ---while
my optical drive of my desktop was connected to the
primary slave IDE, and the HDD was connected to the primary master IDE, the optical drive and hard disk are functioning well. However, I remember that while burning an image with Nero essential V: 5, something went wrong, and
then the Optical Drive of My Desktop Computer (HL-DT-ST DVD-RAM GH22NP20) became NOTrecognised/Installed on
BIOS, although it was still shown on the device manager as a recognised device. Also, it was listed on my computer, however, when entering a disc(blank or with data) into the drive, I found it was not recognised, and it opened empty(no files
at it), although it contains data. Thus, I decided to boot to BIOS, and clicked on 'Autodetection for IDE', then I found that only HDD was still shown as installed on BIOS. However, the optical drive was not. Th I tried clicking on it on BIOS and then
clicking on 'enter' to try to let the device be re-recognized. However, that
made no difference. I had to take part my computer ,and then reconnected the optical drive onto thesecondary slave IDE , and let HDD connected to the same
primary master IDE. Then, I found that the problem solved and all discs were read normally. Aslo, optical drive became installed on BIOS.
What is meant with with double Layer Support.
How much does it cost?
A man should convert his anger and sadness into strength to continue living in this life.

Did you try unsinatalling LightScribe application then checking the status ?
This is probably related to the faulty hardware or the application ( LightScribe
Arnav Sharma | http://arnavsharma.net/ Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading
the thread.
Could you please really concentrate with me, and really reply to me to finish this problem pending.
If you had had a look again at my first post, you would have seen that I said that I have done some things, among of which is: I have uninstalled the Cyber DVD suite, lightscribe system software
which came pre-installed with my HP pavilion Notebook.
Yes, you're right the two threads below are concerned about one issue.
https://social.technet.microsoft.com/Forums/en-US/w7itpromedia/thread/5c1aa5e8-9728-492b-a5c3-387f29ee4b6e/#d6f63628-29a3-4adf-b33f-03b33c138910
https://social.technet.microsoft.com/Forums/windows/en-US/683997ff-1004-4579-b69d-5e982746c917/lightscribe-supermulti-dvdrrw-with-double-layer-support-is-no-longer-able-to-read-all-lightscribe?forum=w7itpromedia
However, this thread contains more precise details and screen shots about the problem. I was not able to understand whether all lightscribs were not unable to be read or not. However, I now recognized that, and I recognized that only all LightScribe(empty
or used) discs are unable to be read. furthermore, that other thread got far too longer to be followed.
Moreover, I would like you to take some time out to answer my problem about Lighstscribe discs since I am going to purchase 'A battery, Cooling Fan' From the HP agent in Yemen, which is far away from me about 1000 Km. Thus, If my optical disc drive was corrupted
as well, then I would be requesting the 'optical disc drive' as well from the HP along with 'Battery, Cooling Fan' .
A man should convert his anger and sadness into strength to continue living in this life.

SSIS importing comma delimited with double quote text qualifier - Works in VS - SQL Job ignores text qualifier and fails (truncation)

I've created an SSIS package to import a comma delimited file (csv) with double quotes for a text qualifier ("). Some of the fields contain the delimiter inside the qualified text. An example row is:
15,"Doe, John",IS2,Alabama
In SSIS I've specified the text qualifier as ". The sample output in the connection manager looks great. The package runs perfectly from VS and when manually executed on the SSIS server itself. The problem comes when I schedule the package to run via SQL
job. At this point the package ignores the text qualifier, and in doing so pushes half of a field into the next available column. But instead of having too many columns, it concatenates the last 2 columns ignoring the delimiter. For example (pipes are fields):
15|"Doe| John"|IS2,Alabama
So the failure happens when the last half of a field is too large to fit into the next available field. In the case above _John" is 6 characters where the IS2 field is char(3). This would cause a truncation failure, which is the error I receive from the
job history.
To further test this I created a failure flow in my data flow to capture the records failing to be pulled from the source csv. Out of ~5000 records, ~1200 are failing, and every one of the failures has a comma delimiter inside the quoted text with a 'split'
length greater than the next ordinal field. The ones without the comma were inserted as normal and records where the split fit into the next ordinal column where also imported, with the last field being concatenated w/delimiter. Example records when selected
from table:
25|"Allan Percone Trucking"|GI6|California --Imported as intended
36|"Renolds| J."|UI6,Colorado --Field position offset by 1 to right - Last field overloaded
To further ensure this is the problem, I changed the csv file and flat file connection manager to pipe delimited, and sure enough every record makes it in perfectly from the SQL job execution.
I've tried comma delimited on the following set ups. Each set up failed.
SSIS Server 2008 R2 RTM
DB Server 2008 RTM
DB Compat 80
SSIS Server 2008 R2 RTM
DB Server 2008 R2 RTM
DB Compat 80
SSIS Server 2008 R2 RTM
DB Server 2008 RTM
DB Compat 100
SSIS Server 2008 R2 RTM
DB Server 2008 R2 RTM
DB Compat 100
Since a lot of our data comes in via comma delimited flat files, I really need a fix for this. If not I'll have to rebuild all my files when I import them to use pipe delimiters instaed of commas. I'd like to avoid the extra processing overhead if possible.
Also, is this a known bug? If so can someone point me to the posting of said bug?
Edit: I can't ask the vendor to change the format to pipe delimited because it comes from a federal government site.

Just wanted to share my experience of this for anyone else since I wasted a morning on it today.
I encountered the same problem where I could run the package fine on my machine but when I deployed to a server and ran the package via dtexec, the " delimeter was being replaced with _x0022_ and columns all slurped up together and overflowing columns/truncating
data etc.
Since I didn't want to manually hack the DTS XML and can't install updates, the solution I used was to set an expression on the textdelimiter field of the flat file connection with the value "\"" (a double quote). That way, even if the one stored in XML
gets bodged somewhere along the way, it is overridden with the correct value at run time. The package works fine everywhere now.

What is best practice for using a SAN with ASM in an 11gR2 RAC installation

I'm setting up a RAC environment. Planning on using Oracle 11g release 2 for RAC & ASM, although the db will initially be 10g r2. OS: RedHat. I have a SAN available to me and want to know the best way to utilise that via ASM.
I've chosen ASM as it allows me to store everything, including the voting and cluster registry files.
So I think I'll need three disk groups: Data (+spfile, control#1, redo#1, cluster files#1), Flashback (+control#2, redo#2, archived redo, backups, cluster files#2) and Cluster - Cluster files#3. So that last one in tiny.
The SAN and ASM are both capable of doing lots of the same work, and it's a waste to get them both to stripe & mirror.
If I let the SAN do the redundancy work, then I can minimize the data transfer to the SAN. The administrative load of managing the discs is up to the Sys Admin, rather than the DBA, so that's attractive as well.
If I let ASM do the work, it can be intelligent about the data redundacy it uses.
It looks like I should have LUN (Logical Unit Numbers) with RAID 0+1. And then mark the disk groups as extrenal redundancy.
Does this seem the best option ?
Can I avoid this third disk group just for the voting and cluster registry files ?
Am I OK to have this lower version of Oracle 10gr2 DB on a RAC 11gr2 and ASM 11gr2 ?
TIA, Duncan

Hi Duncan,
if your storage uses SAN RAID 0+1 and you use "External" redundancy, then ASM will not mirror (only stripe).
Hence theoretically 1 LUN per diskgroup would be enough. (External redundancy will also only create 1 voting disk, hence only one LUN is needed).
However there are 2 things to note:
-> Tests have shown that for the OS it is better to have multiple LUNs, since the I/O can be better handled. Therefore it is recommended to have 4 disks in a diskgroup.
-> LUNs in a diskgroup should be the same size and should have same I/O characteristica. If you now have in mind, that maybe your database one time will need more space (more disks) than you should use a disk size, which can easily be added, without waisting too much space.
E.g:
If you have a 900GB database then does it make sense to only use 1 lun with 1TB?
What happens if the database grows, but only grows slightly above 1TB? Then you should add another disk with 1TB.... You loose a lot of space.
Hence it does make more sence to use 4 disks á 250GB, since the "disks" needed to grow the disk groups can be extended more easily. (just add another 250G disk).
O.k. there is also the possibility to resize a disk in ASM, but it is a lot easier to simple add an additional lun.
PS: If you use a "NORMAL" redundancy diskgroup, then you need at least 3 disks in your diskgroup (in 3 failgroups) to be able to handle the 3 voting disks.
Hope that helps a little.
Sebastian

RAID 0+1 using ExpressCard/34 with double eSata

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