02-25-2007
Thoughts/experiences of SAN attaching V880 to EMC SAN
Hi everyone,
I wonder if I can canvas any opinions or thoughts (good or bad) on SAN attaching a SUN V880/490 to an EMC Clarion SAN?
At the moment the 880 is using 12 internal FC-AL disks as a db server and seems to be doing a pretty good job. It is not I/O, CPU or Memory constrained and the internal disks are mirrored in a RAID 0+1 configuration.
I have 2 choices to make as we intend to increase the number of db's running on the machine(s) - these options are:
1 - To directely attach the servers to the EMC SAN with FC HBA's.
2 - To purchase StoredgeTek SCSI shelves and use SVM to manage the disks (FCAL is overkill to be honest).
I know there are all sorts of ways the SAN can stripe and chop up the disks to allow for RAID 5 etc and that SVM will make a pretty good job of doing the same on the SCSI shelves.
However I do not know if there are any significant technical advantages/disadvantages for either of these two methods.
Does anyone have any thoughts on this?
My own concerns are the reliability of the connection to the SAN as apposed to directly attaching the SCSI shelves. I feel keeping the SUN kit self-contained may be preferable in the long run.
Appreciate the time taken to read and reply.
Si
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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.
01.
02.
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04.
05.
06.
07.
08.
09.
10.
11.
12.
13.
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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.
21.
22.
SCSI Information Functions require that the applications calling them have an effective user id as that of the root user (euid = 0).
23.
24.
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)