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тАО02-24-2006 02:04 AM
тАО02-24-2006 02:04 AM
SDLT connected on Ultra320 Adapter
I use :
A Proliant DL 380 G4 with win 2k3 server and BE10
A HP 64-bit/133-MHz 2 ch Ultra320 SCSI Adapter
A Overland library neo 2k with 2 SDLT 320
The SDLT 320 is a ultra 2 wide LVD peripheral.
with insight manager or System Management the Current Speed indicated is Asynchronous.
The new hp U320 is it compatible with ultra2 wide peripherals ?
Is it better to use an old Utra2 controler with SDLT 320 ?
BackupExec works but I imagine that with good speed negotiation the performance is better
Pascal
A Proliant DL 380 G4 with win 2k3 server and BE10
A HP 64-bit/133-MHz 2 ch Ultra320 SCSI Adapter
A Overland library neo 2k with 2 SDLT 320
The SDLT 320 is a ultra 2 wide LVD peripheral.
with insight manager or System Management the Current Speed indicated is Asynchronous.
The new hp U320 is it compatible with ultra2 wide peripherals ?
Is it better to use an old Utra2 controler with SDLT 320 ?
BackupExec works but I imagine that with good speed negotiation the performance is better
Pascal
3 REPLIES 3
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тАО02-24-2006 07:12 AM
тАО02-24-2006 07:12 AM
Re: SDLT connected on Ultra320 Adapter
> The new hp U320 is it compatible with ultra2 wide peripherals ?
It should be, but for specific (tested) product support look at the compatability tables:
http://www.hp.com/products1/storage/compatibility/tapebackup/index.html
It lists the following HBAs:
268351-B21 - Dual-Channel Ultra320 SCSI HBA
374654-B21 - Single-Channel Ultra320 SCSI HBA G2
284688-B21 - Dual-Channel Ultra3 SCSI HBA
Is yours in that list?
I wonder if there is a reporting problem in Insight Manager on the synchronous transfer negotiation for data phases.
You could install HP LTT (www.hp.com/support/tapetools) and run the device performance test to see what throughput you get to the drive. I don't think asynch mode would provide more than a few MB/sec, at best. You should get close to 16MB/sec sustained with the SDLT320 drive (native) if it is negotiating for synchronous transfers.
It should be, but for specific (tested) product support look at the compatability tables:
http://www.hp.com/products1/storage/compatibility/tapebackup/index.html
It lists the following HBAs:
268351-B21 - Dual-Channel Ultra320 SCSI HBA
374654-B21 - Single-Channel Ultra320 SCSI HBA G2
284688-B21 - Dual-Channel Ultra3 SCSI HBA
Is yours in that list?
I wonder if there is a reporting problem in Insight Manager on the synchronous transfer negotiation for data phases.
You could install HP LTT (www.hp.com/support/tapetools) and run the device performance test to see what throughput you get to the drive. I don't think asynch mode would provide more than a few MB/sec, at best. You should get close to 16MB/sec sustained with the SDLT320 drive (native) if it is negotiating for synchronous transfers.
The journey IS the reward.
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тАО02-27-2006 12:12 AM
тАО02-27-2006 12:12 AM
Re: SDLT connected on Ultra320 Adapter
Hello,
The SDLT320 drive is compatible with the Proliant DL380 G4 and with BE10 with the last update.
I don't see a page to check the compatibility between the scsi card and the drive.
the scsi card is a 268351-B21.
the result with LTT tool :
Testing with Zeros
...
4096 MB written in 252 seconds at 16 MB/s
Testing with 1.6:1 Compression Ratio
...
4096 MB written in 253 seconds at 16 MB/s
Testing with 2:1 Compression Ratio
...
4096 MB written in 252 seconds at 16 MB/s
Testing with 3:1 Compression Ratio
...
4096 MB written in 252 seconds at 16 MB/s
with this result, do you think that the card works in Asynchronous mode or it's a bad information from management tools ?
Why, in the test speed isn't better with compression ?
regards
Pascal
The SDLT320 drive is compatible with the Proliant DL380 G4 and with BE10 with the last update.
I don't see a page to check the compatibility between the scsi card and the drive.
the scsi card is a 268351-B21.
the result with LTT tool :
Testing with Zeros
...
4096 MB written in 252 seconds at 16 MB/s
Testing with 1.6:1 Compression Ratio
...
4096 MB written in 253 seconds at 16 MB/s
Testing with 2:1 Compression Ratio
...
4096 MB written in 252 seconds at 16 MB/s
Testing with 3:1 Compression Ratio
...
4096 MB written in 252 seconds at 16 MB/s
with this result, do you think that the card works in Asynchronous mode or it's a bad information from management tools ?
Why, in the test speed isn't better with compression ?
regards
Pascal
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тАО02-28-2006 03:11 AM
тАО02-28-2006 03:11 AM
Re: SDLT connected on Ultra320 Adapter
Hello,
I have another indication, during the boot the bios of the U320 card doesn't indicate the speed and the size of the bus for SDLT drives.
you can see a copy of the screen during the boot.
I don't find any update for the fimware of this card ...
regards
Pascal
List of non INT13 devices from additional channels:
Slot Port ID LUN VENDOR PRODUCT REV SYNC WIDE CAPACITY
---- ---- -- --- -------- ----------- -------- ----- ---- ------------
1 00 7 0 LSILogic LSI1030-IT 1032700 320.0 16
1 01 1 0 OVERLAND NEO Series 0513
1 01 2 0 QUANTUM SDLT320 5050
1 01 3 0 QUANTUM SDLT320 5656
1 01 7 0 LSILogic LSI1030-IT 1032700 320.0 16
I have another indication, during the boot the bios of the U320 card doesn't indicate the speed and the size of the bus for SDLT drives.
you can see a copy of the screen during the boot.
I don't find any update for the fimware of this card ...
regards
Pascal
List of non INT13 devices from additional channels:
Slot Port ID LUN VENDOR PRODUCT REV SYNC WIDE CAPACITY
---- ---- -- --- -------- ----------- -------- ----- ---- ------------
1 00 7 0 LSILogic LSI1030-IT 1032700 320.0 16
1 01 1 0 OVERLAND NEO Series 0513
1 01 2 0 QUANTUM SDLT320 5050
1 01 3 0 QUANTUM SDLT320 5656
1 01 7 0 LSILogic LSI1030-IT 1032700 320.0 16
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