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тАО09-27-2007 12:23 AM
тАО09-27-2007 12:23 AM
I have a VA7410 and I understand that deleting a lun will cause I/O timeouts on my systems (KBRC00011820). My question is for the creating of a lun, should I plan downtime to create lun or can I create and present luns without affecting existing I/O's? Thanks in advance.
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тАО09-27-2007 12:31 AM
тАО09-27-2007 12:31 AM
Re: VA7410 lun create
http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&locale=en_US&docIndexId=179911&taskId=101&prodTypeId=12169&prodSeriesId=89018
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тАО09-27-2007 02:01 AM
тАО09-27-2007 02:01 AM
Re: VA7410 lun create
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тАО09-27-2007 03:59 AM
тАО09-27-2007 03:59 AM
Re: VA7410 lun create
If the LUN being deleted is very large, the time required to delete the
LUN may cause host I/O timeouts.
If the LUN being formatted is very large, the time required to format the
LUN may cause host I/O timeouts.
That's it.
Hope this helps!
Regards
Torsten.
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тАО09-27-2007 02:50 PM
тАО09-27-2007 02:50 PM
Solutionthe mechanism of creating luns is such that the space in the array is still left unused after the lun creation until you start writing data to the array. you might only experience slowness if you remove huge amount of data on the array and then start writing data again into it.
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тАО09-27-2007 11:33 PM
тАО09-27-2007 11:33 PM