FileVault for a 2-partition system
My MacBook disk has 2 main partitions: OSX and Data. Lion is installed to the OSX partition and my user account was updated to point to its Home directory on the Data partition. My expectation is that when I enabled FileVault, only the OSX partition was encrypted. I would like the Data partition to be encrypted as well. Based on a little research, it seems this can be done with Disk Utility by reformatting the Data partition as Mac OS Extended (Journaled, Encrypted). I would obviously first need to backup all my data and erase the contents of the Data partition. I probably need to temporarily configure my account to point to a Home directory on OSX (but that will cause problems with all my apps in Data/Library... ?). Then I would restore the data back to the encrypted Data partition and then point Home directory back to Data.
Is this what I need to do? Will the integration be seemless, or will the Data partition have its own separate encryption key that will make it difficult to be setup as a Home directory??
THANKS
Fair question. I've been using this strategy for years and years, beginning on Windows systems then carried over to OS X. There are probably a number of reasons, but in practice the main reason is it facilitates my backup process. I handle backups of my system drive differently from my data. I use SuperDuper to create an image copy, which is easy to restore from. I rely on Time Machine to backup my much larger data files. I backup my system drive less frequently than data, since it doesn't change much, but I back it up completely. A SuperDuper image of a consolidated drive would be 100s of gigabytes and wouldn't allow for a quick restore. Here are some additional comments on that http://lnx2mac.blogspot.com/2010/08/multiple-partitions-on-os-x-pros-and.html.
Why do you say separating system from data on 2 partitions on the same disk is not a good idea? I would prefer to have 2 disks for this purpose, but I'm working with my MacBook.
I successfully addressed the problem of this post following the easy guide in the link in the second post. I wouldn't necessarily recommend this workaround for all users, but it seems pretty simple and safe as long as you are careful.
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should I just insist on ASM (but this is a risk as I fear they are not experienced with it)
or go with OEL/RHEL LVM and standard ext filesystems that can be extended - what are the risks with this? (On A Linux Guest For OVM, Which Partitions Can Be LVM? [ID 1080783.1]) - seems to say there is little performance impact
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Are there any issues and potential solutions for large scale partitioning?
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Also assume that powerful computers, such as SPARC M9000, can be employed under such a scenario.
Keen to hear what your comments are. It will be helpful if you can back up your statements with evidence and keep in the context of this scenario.I did see your other thread, but kept away from it because it seemed to be getting a bit heated. Some points I did notice:
People suggested that a design involving "thousands" of entities must be bad. This is neither true not nor unusual. An EBS database may have fifty to a hundred thousand entities, no problem. It is not good or bad, just necessary.
The discussion of "how many partitions" got stuck on whether Oracle really can support thousand of partitions per table. Of course it can - though you may find case studies that if you go over twenty or thirty thousand for a table, performance may degrade (shared pool issues, if I remember correctly).
There was discussion of how many partitions anyone needs, with people suggesting "not many". Well, if you range partition per hour with 16 hash sub-partitions (not unreasonable in, for example, a telephone system) you have 384 per day which build up quite quickly unless you merge them.
You own situation has never been fully defined. A few hundred million rows in a few TB is not unusual at all. But when you say "I don't have a specific problem to solve" alarm bells ring: you are trying to solve a problem that does not exist? If you get partitioning right, the benefits can be huge; get it wrong, and it can be a disaster. Don't do it just because you can. You need to identify a problem and prove, mathematically, that your chosen partitioning strategy will fix it.
John Watson
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Hello
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Hi Experts
Can any one help me out on implementing license in my B1 System.
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Error while Installing the Java Add-In for an Existing ABAP System
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I need help, i am Installing the Java Add-In for an Existing ABAP System
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These are the last few lines on the sapinst.log.
INFO 2009-05-21 12:35:12
Execute step createAccounts of component |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_Users_Create_Do|ind|ind|ind|ind|3|0.
INFO 2009-05-21 12:35:18
Execute step setUserEnvironment of component |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_Users_Create_Do|ind|ind|ind|ind|3|0.
INFO 2009-05-21 12:35:19
Execute step InstallJDBCDriver of component |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_JDBCDriver_DB4|ind|ind|ind|ind|4|0.
INFO 2009-05-21 12:35:19
Creating directory V:\sapmnt\BIQ\jdbc.
INFO 2009-05-21 12:35:19
Creating directory V:\sapmnt\BIQ\jdbc\tbx.
INFO 2009-05-21 12:35:21
Copied file 'V:/QIBM/ProdData/HTTP/Public/jt400/lib/jt400.jar' to 'V:/sapmnt/BIQ/jdbc/tbx/jt400.jar'.
INFO 2009-05-21 12:35:22
Execute step updateNtPatchDlls of component |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_System|ind|ind|ind|ind|5|0.
INFO 2009-05-21 12:35:23
Execute step sCreateSystemOS4 of component |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_System|ind|ind|ind|ind|5|0.
ERROR 2009-05-21 12:35:42
MOS-02001 Call of command "CRTR3SYS SID(BIQ) GLOBALHOST(*LOCAL)" failed. Exception is "CPF0006".
ERROR 2009-05-21 12:35:42
MOS-02001 Call of command "CRTR3SYS SID(BIQ) GLOBALHOST(*LOCAL)" failed. Exception is "CPF0006".
ERROR 2009-05-21 12:35:42
FCO-00011 The step sCreateSystemOS4 with step key |NW_Addin_SCS|ind|ind|ind|ind|0|0|NW_System|ind|ind|ind|ind|5|0|sCreateSystemOS4 was executed with status ERROR .
Thanks in advance for any help.
Kiran ChebroluHi,
Hope this note would solve your issue, please read carefully and validate with your issue
Note 1032019 - Java Add-In: Error when you create the SCS instance
below notes give your suffice information.
Note 883948 - NW 7.00(2004s): Inst.Add.Java Usage Types/Software Units
Note 1268493 - NW 7.01/BS 7: Inst.Add.Java Usage Types/Software Units
Note 1025789 - RUNR3CMD generates CPF0006
regards
nag
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