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тАО12-20-2005 03:30 AM
тАО12-20-2005 03:30 AM
Extremely slow performance on Ultrium 448
-------------
W2k Server, SP4, Rollup 1
P4P800-X Desktop-MB, 4xPCI 33Mhz
1x Adaptec 19160 32bit U160 Scsi
1x 32/64bit ICP Vortex GDT6113RS (with 2x Raid 1)
1x HP Gigabit Lan nc10120 (on 100MB Switch, so autosense to 100)
and temporarily: 1x VGA Rage II PCI
-------------
Hello,
I have massive problems with a new internal Ultrium 448, which is connected as the only device on an Adaptec 19160, running on a W2k Server SP4. Latest Device Drivers are installed.
Read/Write Tests only measure 2,3MB/s (done with HP TapePerf). I have checked:
-Conflicting Win2k & Backup Services
-IRQ (at least Win2k PnP reports a decicated IRQ 21)
-Cables and Termination seem to be properly (came brandnew out of the box with the drive itself)
SCSI Bios Settings:
-Initiate Wide Negotiation:Yes
-Enable Disconnection:Yes
-Send Start Unit:No
-Enable Write Back Cache:Yes (tried 'No', no change)
-Set Parity (Controller):No (had other errors with 'Yes' before)
-LVD & Fast Termination:Automatic
Device is on ID 3, Controller on 7. Connected right next to the 'terminator site'.
Device is recognised as 'U160' (on bios post).
Reading and writing functions normal except the performance.
HP Storageworks library and tape tools reports (in the viewer): 'Current SCSI Configuration: narrow','Current SCSI transfer rate limited to : n/a'. This seems to be the problem, but I can't find the error.
So here my questions: What is your experience of
a) the usage of this non-hp-supported SCSI-Controller (yes, I know: no official support for W2k Server, only W2k) with an Ultrium 448 ?
b) the usage of an Ultrium 448 on 32bit Controller/Mainboards (in conjunction with several other PCI devices) ? Does heavy PCI load bring the Ultrium that down ? The mirrored hard drive have normal performance.
Any Ideas greatly appreciated !
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тАО12-20-2005 04:05 AM
тАО12-20-2005 04:05 AM
Re: Extremely slow performance on Ultrium 448
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=lpg50460
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тАО12-20-2005 04:21 AM
тАО12-20-2005 04:21 AM
Re: Extremely slow performance on Ultrium 448
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тАО12-20-2005 06:03 AM
тАО12-20-2005 06:03 AM
Re: Extremely slow performance on Ultrium 448
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тАО12-20-2005 07:28 PM
тАО12-20-2005 07:28 PM
Re: Extremely slow performance on Ultrium 448
I now have attached the complete .ltt-File for further details.
Thanks in advance.
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тАО12-21-2005 11:45 PM
тАО12-21-2005 11:45 PM
Re: Extremely slow performance on Ultrium 448
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тАО12-22-2005 12:26 AM
тАО12-22-2005 12:26 AM
Re: Extremely slow performance on Ultrium 448
>>>Current SCSI Configuration: narrow','Current SCSI transfer rate limited to : n/a'.
>>>Host Bus Adapter 'adf6u160 SCSI Adapter' at Address '3/0.7.0'
hello,
two things:
- scsi configuration limited to narrow..... I would change the cables and/or terminator
- HBA adf6u160 there is some notes related to performance problems with tape related to the drives of these controller, try to update drivers and fw from the adaptec website
http://www.adaptec.com/worldwide/support/drivers_by_product.jsp?sess=no&language=English+US&cat=/Product/ASC-19160
If everything is under control, you are going too slow (Mario Andretti)
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тАО01-09-2006 09:57 PM
тАО01-09-2006 09:57 PM
Re: Extremely slow performance on Ultrium 448
So hands off the Adaptec 19160 !!
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тАО06-16-2008 03:41 AM
тАО06-16-2008 03:41 AM