Redhat 4 host based migration

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Operating Systems Linux Red Hat Redhat 4 host based migration
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Old 11-04-2013
Redhat 4 host based migration


I need to migrate using Redhat 4 as host based migration,EMC Clariion to VNX.

Please what are the best ways to perform online migration,with users working on the box?The file system is ext3 and the source logical voulumes are raid 1.

- adding the 3rd LUN(from VNX) to the current raid1 logical volume
- using rsync between 2 boxes with redhat 4,one box has raid 1 logical volume and the other one has new LUN(VNX).NFS exports the file system on the LUN in VNX and mount this on the other box.Then tar,cpio.
- pvmove,only if I do not need the data in old raid 1 logical volume.
- split raid1 into 2 submirrors and mirror one of those submirrors with LUN in VNX.

tnx a lot,
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Tspi_Key_CreateMigrationBlob(3) 		     TCG Software Stack Developer's Reference			   Tspi_Key_CreateMigrationBlob(3)

Tspi_Key_CreateMigrationBlob - create a key blob suitable for migrating to another TPM. SYNOPSIS
#include <tss/platform.h> #include <tss/tcpa_defines.h> #include <tss/tcpa_typedef.h> #include <tss/tcpa_struct.h> #include <tss/tss_typedef.h> #include <tss/tss_structs.h> #include <tss/tspi.h> TSS_RESULT Tspi_Key_CreateMigrationBlob(TSS_HKEY hKeyToMigrate, TSS_HKEY hParentKey, UINT32 ulMigTicketLength, BYTE* rgbMigTicket, UINT32* pulRandomLength, BYTE** prgbRandom, UINT32* pulMigrationBlobLength, BYTE** prgbMigrationBlob); DESCRIPTION
Tspi_Key_CreateMigrationBlob returns a key blob containing an encrypted section, which will be different depending on the migration scheme indicated within the migration ticket previously created by the method Tspi_TPM_AuthorizeMigrationTicket(). PARAMETERS
hKeyToMigrate Handle of the key object to migrate. hParentKey Handle to the parent key related to the key addressed by hKeyToMigrate. ulMigTicketLength The length (in bytes) of the rgbMigTickey parameter. rgbMigTicket Pointer to memory containing the migration ticket (migration public key and its authorization digest). pulRandomLength On successful completion this parameter returns the random data length returned at the parameter prgbRandom. prgbRandom On successful completion this parameter returns the random data. pulMigrationBlobLength On successful completion this parameter returns the length of the migration blob data returned at the parameter prgbMigrationBlob. prgbMigrationBlob On successful completion this parameter returns the migration data blob. RETURN CODES
Tspi_Key_CreateMigrationBlob returns TSS_SUCCESS on success, otherwise one of the following values are returned: TSS_E_INVALID_HANDLE - Either hKeyToMigrate, hParentKey or rgbMigTicket are invalid parameters. TSS_E_BAD_PARAMETER - One of the passed parameters is wrong. TSS_E_KEY_NO_MIGRATION_POLICY - No migration policy picked. TSS_E_INTERNAL_ERROR - An error occurred internal to the TSS. CONFORMING TO
Tspi_Key_CreateMigrationBlob conforms to the Trusted Computing Group Software Specification version 1.1 Golden SEE ALSO
Tspi_Key_CreateKey(3), Tspi_Key_CertifyKey(3). TSS 1.1 2004-05-26 Tspi_Key_CreateMigrationBlob(3)