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тАО09-22-2005 11:36 PM
тАО09-22-2005 11:36 PM
Bad performance EVA3000 and SQL2k and Exchange2k server
My SQL server performs bad on a EVA3000. Due to costs we have a RAID5 on the EVA3000 (we know this is giving poor performance), but I have read that you acn align track on the disk with diskpar.exe.
Does anybody know how may sectors are there on a track in the EVA3000 SAN? How can I align my VDISK with diskpar?
Does anybody know how may sectors are there on a track in the EVA3000 SAN? How can I align my VDISK with diskpar?
2 REPLIES 2
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тАО09-22-2005 11:49 PM
тАО09-22-2005 11:49 PM
Re: Bad performance EVA3000 and SQL2k and Exchange2k server
Hi Marc,
here's an advisory from HP:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=PSD_OI040301_CW02&prodTypeId=12169&prodSeriesId=377751&locale=en_US
Regards,
Stephen
here's an advisory from HP:
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=PSD_OI040301_CW02&prodTypeId=12169&prodSeriesId=377751&locale=en_US
Regards,
Stephen
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тАО09-23-2005 03:17 AM
тАО09-23-2005 03:17 AM
Re: Bad performance EVA3000 and SQL2k and Exchange2k server
Marc:
The default is 63. Make sure you have a backup of the data before using diskpar, unless you do not need the data. Diskpar WILL make your disk useless until you format it again.
Also, make sure you do a FULL format, not a quick format when your done with diskpar.
Exchange tends to work better on drives that have been fully formatted, that is... Exchange Performance is better.
Steven
The default is 63. Make sure you have a backup of the data before using diskpar, unless you do not need the data. Diskpar WILL make your disk useless until you format it again.
Also, make sure you do a FULL format, not a quick format when your done with diskpar.
Exchange tends to work better on drives that have been fully formatted, that is... Exchange Performance is better.
Steven
Steven Clementi
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
HP Master ASE, Storage, Servers, and Clustering
MCSE (NT 4.0, W2K, W2K3)
VCP (ESX2, Vi3, vSphere4, vSphere5, vSphere 6.x)
RHCE
NPP3 (Nutanix Platform Professional)
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