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PERC 5/i RAID Card: Tips and Benchmarks - Page 685

post #6841 of 7172
The stripe size for my PERC 6/I went up to 1024KB. I don't know what the LSI would offer. My 5i only let me set max of 64k.
   
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post #6842 of 7172
Quote:
Originally Posted by RobiNet View Post

Yes - if you need bigger strip size - but there is no going back - you can't use larger strip size on Dell firmware.
If you mean 5i and 6i - not 5iR or 6iR - then yes - they are fully hardware raid cards:

http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/2500#post_6303030

can you use smaller trip sizes and larger strip sizes on the LSI frimware. or only small on the dell and only large on the LSI?

what does a larger stripe size do?
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post #6843 of 7172
Quote:
Originally Posted by cdoublejj View Post

can you use smaller trip sizes and larger strip sizes on the LSI frimware. or only small on the dell and only large on the LSI?

LSI firmware can do every stripe size Dell firmware can.
Quote:
what does a larger stripe size do?

Read this page:

http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/5740
post #6844 of 7172
Quote:
Originally Posted by RobiNet View Post

LSI firmware can do every stripe size Dell firmware can.
Read this page:

http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/5740

keep in mind my posts are in regards to the 6i.
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post #6845 of 7172
Quote:
Originally Posted by cdoublejj View Post

can you use smaller trip sizes and larger strip sizes on the LSI frimware. or only small on the dell and only large on the LSI?

what does a larger stripe size do?

On the PERC 5/i if used for a file server where it will be doing large sequential reads and writes, 256 KB stripe size with a 8-disk array seems to be the "performance sweet spot", at least in my experience with my two machines with a PERC 5/i in them, 256 KB stripe size was about +30% faster than any other stripe size for large sequential reads of 4-12GB single files.
post #6846 of 7172
Got some more servers from work and one of them had a SAS 5. Glad I had an extra PERC 5/i around as the SAS 5 cannot do RAID.
   
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post #6847 of 7172
I'm having an issue using the PERC 5/i on a GA-78LMT-USB3 Rev 4.1. BIOS: Beta F5d

I'm having the exact same problem as this user:
http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/3940_20#post_8265361

Without the PERC installed I can get into the bios and my keyboard works fine. When I install the PERC my keyboard works until I get to the PERC screen. It says that the drives are missing and to press any key to continue, or press C to enter the configuration.

I would update the BIOS but the latest avalable on Gigabyte's site is F4 from 2012/10/19, while the F5d is from 2014/04/26.
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post #6848 of 7172
Quote:
Originally Posted by xxpenguinxx View Post

I'm having an issue using the PERC 5/i on a GA-78LMT-USB3 Rev 4.1. BIOS: Beta F5d

I'm having the exact same problem as this user:
http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/3940_20#post_8265361

Without the PERC installed I can get into the bios and my keyboard works fine. When I install the PERC my keyboard works until I get to the PERC screen. It says that the drives are missing and to press any key to continue, or press C to enter the configuration.

I would update the BIOS but the latest avalable on Gigabyte's site is F4 from 2012/10/19, while the F5d is from 2014/04/26.
What kind of keyboard are you using? PS2 or USB? I would recommend to use a PS2 keyboard, if the USB one doesn't work.
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post #6849 of 7172
Quote:
Originally Posted by xxpenguinxx View Post

I'm having an issue using the PERC 5/i on a GA-78LMT-USB3 Rev 4.1. BIOS: Beta F5d

I'm having the exact same problem as this user:
http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/3940_20#post_8265361

Without the PERC installed I can get into the bios and my keyboard works fine. When I install the PERC my keyboard works until I get to the PERC screen. It says that the drives are missing and to press any key to continue, or press C to enter the configuration.

I would update the BIOS but the latest avalable on Gigabyte's site is F4 from 2012/10/19, while the F5d is from 2014/04/26.

Are you doing the pin mod on the PERC?
   
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post #6850 of 7172
Quote:
Originally Posted by Wildcard36qs View Post

Are you doing the pin mod on the PERC?

The pin mod only applies to Intel boards.
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