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PERC 5/i RAID Card: Tips and Benchmarks - Page 590

post #5891 of 7150
I am confused as to the number of different versions of the Perc 5i:

Browsing ebay, I see a whole bunch:
http://www.ebay.com/itm/LSI-Dell-MX961-Perc5-i-PCI-e-SAS-SATA-RAID-CARD-LSISAS1068-Controller-SAS1068-/170802648120?pt=LH_DefaultDomain_0&hash=item27c4a19438#ht_2168wt_1110
LSI/Dell MX961 Perc5/i PCI-e SAS/SATA RAID CARD LSISAS1068 Controller SAS1068 (http://www.ebay.com/itm/LSI-Dell-MX961-Perc5-i-PCI-e-SAS-SATA-RAID-CARD-LSISAS1068-Controller-SAS1068-/170802648120?pt=LH_DefaultDomain_0&hash=item27c4a19438#ht_2168wt_1110)
etc

Can anyone explain/ suggest a particular version?


Thanks,
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post #5892 of 7150
Quote:
Originally Posted by wcdolphin View Post

I am confused as to the number of different versions of the Perc 5i:
[...]
Can anyone explain/ suggest a particular version?

http://www.overclock.net/t/359025/perc-5-i-raid-card-tips-and-benchmarks/5540#post_14464411
post #5893 of 7150
Quote:
Originally Posted by A_Man_Eating_Duck View Post

Becareful if you down grade firmwares, you might lose your array. if it does happen, just flash the previous firmware back on and your array should be back.

Thank you for the heads up but I'll be fine since I haven't created an array yet. I'm still looking for the 7.0.1-0051 firmware so if anyone knows where to get a copy please let me know, thank you.
post #5894 of 7150
Hi everyone.

Just signed up as I've found this extreme thread very useful while going through the process of setting up my home server. Thanks to everyone who has contributed so far!

After having read almost all posts here (took a while), I took the plunge on a PERC 5/i with 512MB RAM. I had to use the pin mod as I'm running an Intel DH67BL motherboard. All works fine and I'm now just waiting for my 2TB drives to turn up tomorrow for my RAID5 array.

I couple of observations to add in case anyone else finds them useful. There's a guy on eBay flogging the PCI mouting brackets for £10 in the UK. Bought one (came with nylon threaded screws too) and it fits perferctly. Bit expensive for what it is, but worked well and I scored the card for under £50 so I didn't begrudge the extra tenner.

I also found the card to run extremely hot. I'm using the card inside a 4u Codegen rackmount chassis with reasonable airflow, but I used some cable ties to fix a 120mm fan directly in front of the heatsink. The fan is suspended from the rackmount chassis stabaliser bar. Not ideal, but seems to work really well.

Does anyone here have any experience with HDD fail signal cables? I have an ICY DOCK caddy which has a HDD Fail LED on each caddy. HDD power and activity are already working, as these were picked up in the SATAII standard so that's fine, I was just wandering about the possibility of connecting the HDD fail pins on the back of the caddy to the PERC 5/i card. Is this possible?

Cheers all!
post #5895 of 7150
After a couple of years using the perc 5/i controller, I have some bad news.

The controller works perfect. The problem is located on the HDDs.

Problem 1
I used 6x1TB SATA disks. SATA disks are not designed for RAID. I had a HDD failure and after a couple of weeks another disk.

The last weeks one HDD was automatically removed and marked as missing every while.

I removed all the disks and I run the SeaTools
2 HDDs with SMART FAIL error
1 HDDs with LONG TEST FAIL error
2 HDDs without error but HD Tune detects many relocated sectors.
Only 1 HDD is OK

Lesson: Do not use consumer HDDs for RAID, their life will not be as long as expected.

Problem 2:

After some research, I found out that enterprise disks have a feature called "TLER" (Time Limited Error Recovery) which stops the hard drive from entering into a deep recovery cycle.
http://wdc.custhelp.com/app/answers/detail/a_id/1397/~/difference-between-desktop-edition-and-raid-%28enterprise%29-edition-drives

Consumer drives do not have that feature, so when the drive tries to read a weak sector it needs more time than the controller read timeout. If the drive do not respond within that timeout, the controller removes the disk from the array.

Lesson: Do not use consumer HDDs for hardware RAID.

Problem 3:
I got two 2TB Green HDDs.

IT IS NOT recommended to create a RAID array using "Green" HDDs. Green HDDs spin down to save power. When they spin up they need time. Sometimes the controller timeout so the controller removes them.

Lesson: Do not use Green HDDs for hardware RAID
post #5896 of 7150
Quote:
Originally Posted by sdim View Post

After a couple of years using the perc 5/i controller, I have some bad news.
The controller works perfect. The problem is located on the HDDs.
[...]
But it's nothing new wink.gif All of this was discussed here long time ago wink.gif
post #5897 of 7150
If you were planning to build a NAS today using the PERC 6/i, which mobo / CPU would you go with? Does it have as many issues with intel chipsets as the 5i?

I've been considering ordering a cheap i3 540, ~$60 mobo - anything at least a single 16x PCI-e (2.0 or 3.0), and 8 Gb of ram for ZFS or unRaid. I haven't really looked at hardware recently though, not sure if intel is better price/performance wise, or if there will be enough hassles to make it worth another solution. Any thoughts are certainly welcome. I'm mostly just going for cheap CPU/GPU combo and 1 card to rule them all.... or 32 of them... if the HD prices ever fall... mad.gif
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post #5898 of 7150
Hi,

I'm using a Perc 5/i in a home server and there are a few things I can't find information about and I've searched on this site but haven't got an answer.

First, the HDD activity light, attached to the front two pins between the top edge SATA connectors, used to flicker only during activity. Now it stays lit constantly, and flickers 'off' during activity. This seems to be some sort of error condition, because once before I had a SATA drive fail and the light came on like this but when I replaced the drive and it was no longer degraded the light returned to normal behavior.

Now, all drives say ONLINE and there are no SMART errors, etc... but the light remains lit. I can't find any indication of what is wrong.

I have tried replacing the RAM and also swapping in a different PERC 5/i, but both cards are behaving the same way. If there is a problem on one of the SATA drives it's not telling me about it in the card BIOS or during system operation.

Any thoughts? What does that light mean? The Perc 5/i manual is useless.

Second, there is a little white, square 4-pin connector below the card's CPU. Is this some kind of power connector? Could I drive a fan from it? I have not yet put a voltmeter to it, but even if it pins out OK I don't know if I can draw that kind of amperage through it.

Third, there is a green LED roughly in the center of the card. This LED has a steady, slow flash. What does that mean? Again, not mentioned in the manual and I've spent a good hour searching online for answers.

The card occasionally does behave flakey with consumer drives, as mentioned above (once in awhile a drive comes up 'failed' but no SMART errors... I put it back online and it works fine). I'm considering pulling it out and just using software RAID with these drives and looking to SAS disks for future use with the PERC (or some kind of SSD... though again I worry about using consumer disks with this card).

Thanks...
post #5899 of 7150
sadsmiley.gif

So I have my PERC 5/i on my Gigabyte GA-P35-DS3L w/ the pin 5/6 mod running great w/ 4x2TB drives in RAID5.

The DS3L board I'm using only has a single PCIe x16 slot and three x1 slots so I have to use the x16 slot for the PERC. This means I can't use a GPU (PCI video card ordered)

I I shut my server down last night to move it and when I turned it on, it never booted. Since there is no GPU, I can't get any video output to see whats wrong, but if I remove the PERC, it boots up fine.. just without my array...

I have Newegg rushing me a PCI video card, but in the meantime, does anyone know what could be going wrong? My motherboard usually beeps like crazy if pins 5/6 are exposed on the PERC so I don't think thats it. I re-did the nail polish to be sure.

Anyone?
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post #5900 of 7150
Quote:
Originally Posted by criccio View Post

I I shut my server down last night to move it and when I turned it on, it never booted. Since there is no GPU, I can't get any video output to see whats wrong, but if I remove the PERC, it boots up fine.. just without my array...

Try to hit ESC few times - maybe battery is dead or drives are offline, etc.

You can buy on eBay PCI-E 1x -> PCI-E 16x converter for your graphics card:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=260830659882
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=320878370694
Or you can buy USB to VGA adapter:
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=250854178449
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