Thoughts/experiences of SAN attaching V880 to EMC SAN Post: 302108264

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Operating Systems Solaris Thoughts/experiences of SAN attaching V880 to EMC SAN Post 302108264 by reborg on Sunday 25th of February 2007 06:24:27 PM

02-25-2007

Administrator Emeritus

Irrespective of the storage used it is usually much easier if you use host based mirroring, as this allows you to do backups using the detached mirror of a raid 1, and apply the correct logic for making sure the backup is clean, for example to quiece a database while the mirror is being detached.

RAID5 in hardware would protect you from failure of a disk during the time the mirror is deatached. Personally I find attached fiber storage much easier to work with than SCSI becasue there is no need for example to configure multiple initiators and things like that, also it much easier to configure a multi-pathed configuration.

You could consider doing a mixture of the two, something like 3511 JBODs, with SATA disks and attached them using fiber HBAs, you wouldn't have the RAID 5, but you would have the extra low cost storage. This would also offer you the possibility of moving onto the SAN at a later stage, with much less work.

Last edited by reborg; 02-26-2007 at 10:29 PM..

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hbaapi

hbaapi(3C)																hbaapi(3C)

NAME

       hbaapi - Fibre Channel Storage Network Industry Association Host Bus Adapter Application Programming Interface (FC SNIA HBA API)

DESCRIPTION

       The  Common  HBA  API  provides a consistent HBA standard interface for accessing information in a Fibre Channel Storage Area Network (SAN)
       that would be implemented across vendors as a standard 'C' API supported by vendor specific library instances.

       This API library is thread-safe, but threads should not be cancelled when execution is in the API.

       The following functions are available in the API for managing a Fibre Channel HBA.  This API would be exposed to upper  level  applications
       to control SAN functionality.

       Please refer to for details on structures used.

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	    FCP Information Functions require that the applications calling them
		  have an effective user id as that of the root user (euid = 0).

	    20.
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	    SCSI Information Functions require that the applications calling them have an effective user id as that of the root user (euid = 0).

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FILES

       Contains the related data structures and definitions as in

AUTHOR

       These APIs were developed by Hewlett-Packard Company.

SEE ALSO

       HBA_GetVersion(3C),  HBA_LoadLibrary(3C),  HBA_FreeLibrary(3C),	HBA_GetNumberOfAdapters(3C),  HBA_GetAdapterName(3C), HBA_OpenAdapter(3C),
       HBA_CloseAdapter(3C), HBA_GetAdapterAttributes(3C), HBA_GetAdapterPortAttributes(3C),  HBA_GetPortStatistics(3C),  HBA_GetDiscoveredPortAt-
       tributes(3C),  HBA_GetPortAttributesByWWN(3C),  HBA_SendCTPassThru(3C),	HBA_GetEventBuffer(3C),  HBA_SetRNIDMgmtInfo(3C), HBA_GetRNIDMgmt-
       Info(3C), HBA_SendRNID(3C), HBA_GetFcpTargetMapping(3C), HBA_GetFcpPersistentBinding(3C), HBA_SendScsiInquiry(3C),  HBA_SendReportLUNs(3C),
       HBA_SendReadCapacity(3C), HBA_RefreshInformation(3C), HBA_ResetStatistics(3C).

																	hbaapi(3C)