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Exchange server 2003 high average disk queue leungth

nokyplease
nokyplease asked
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Last Modified: 2012-05-07
Hi Experts,

recently many users at my company complains that their outlook is slow, freeze or hang. after a look with performance monitor at our exchange server, i found that the average disk queue length is very high (always reach 100 with default scale). is this normal? if not how can reduce it?

thanks.
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Commented:
Hi,

100 for disk queue length seems high to me. what's your percentage of disk time showing at the same time? How is your partitions, RAID and LUN's laid out? For example are your databases and transaction logs on the same physical disks? Are these mirrored/RAID 5, etc?

We really need to know more about your disk sub-system. What's this servers specs amd what else is it hosting?
andyaldersaggar maker's framemaker
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Commented:
If it was OK before and suddenly went slow then it's quite possible that you have a faulty disk, as per above need more info.
Senior Network Security  / Senior System Engineer
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Commented:
i will try to sort out what is marking the long disk queue length, thanks for all the help
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