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тАО05-31-2003 12:52 AM
тАО05-31-2003 12:52 AM
SMART ARRAY 3200 WRITE PERFORMANCE
Hi, i'm having performance problems with my smart array 3200 controller.
i have 5 * 72gb disks.
2 logical drives: 1 Mirror, 1 raid 5 (3disks)
i achieve 2 Mb/Sec write performance????
for read, that is 38 Mb/Sec....
Any idea what's happening?
Thx !
i have 5 * 72gb disks.
2 logical drives: 1 Mirror, 1 raid 5 (3disks)
i achieve 2 Mb/Sec write performance????
for read, that is 38 Mb/Sec....
Any idea what's happening?
Thx !
3 REPLIES 3
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тАО06-01-2003 07:16 AM
тАО06-01-2003 07:16 AM
Re: SMART ARRAY 3200 WRITE PERFORMANCE
Hi;
You are probably using a small blocksize for your writes. Try increasing your blocksize, up to 64k. That should help dramatically.
Good luck,
Vince
You are probably using a small blocksize for your writes. Try increasing your blocksize, up to 64k. That should help dramatically.
Good luck,
Vince
No matter where you go, there you are.
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тАО06-01-2003 12:10 PM
тАО06-01-2003 12:10 PM
Re: SMART ARRAY 3200 WRITE PERFORMANCE
Hi Thank you for your advice.
i'm just wondering, if i chanhge that while having data on the logical drive,
will the drive remain available?
it there any risk for data loss?
Thank you!
S.
i'm just wondering, if i chanhge that while having data on the logical drive,
will the drive remain available?
it there any risk for data loss?
Thank you!
S.
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тАО06-02-2003 05:41 AM
тАО06-02-2003 05:41 AM
Re: SMART ARRAY 3200 WRITE PERFORMANCE
If you're running Windows and you want to change the blocksize on the filesystem, you will need to reformat the logical drive with the new blocksize. So, yes, you will have to backup/restore the data, as that's a destructive operation.
I was referring more to your benchmark test - if you can use a larger blocksize, it should go faster.
What are you benchmarking it with?
-Vince
I was referring more to your benchmark test - if you can use a larger blocksize, it should go faster.
What are you benchmarking it with?
-Vince
No matter where you go, there you are.
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