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PERC 5/i RAID Card: Tips and Benchmarks - Page 598

post #5971 of 7188
Hey fellas,

I had a disk fail in my Raid5 the other day, it became offline and a few seconds later it became online and the raid rebuilt.

I still want to replace that disk even though the raid is now online and functioning as it should.

How do I go about replacing that disk, do I just offline the disk I want to replace in MSM and replace it with the new drive?

Regards
post #5972 of 7188
i would think you would unplug the bad disk and plug the new one in (system may have to be off to do this unless you have hotswap bays). once back up you would repair the raid, now i have no experiance on this as i just got my card today and waiting for new heatsinks and still need to get a 3rd drive to start my raid 5. thumb.gif
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post #5973 of 7188
Yeah I just unplugged the bad disk and replaced it with a new one.

I did it while the system was on aswell, the raid became degraded once I removed the disk and started to autorebuild when I inserted the one. smile.gif

Regards
post #5974 of 7188
Got the new heatsinks on. Now just need a new f3 hdd and my raid is started.


IMG_20120818_190558.jpg
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post #5975 of 7188
Does this card have fan header or should I need to connect the fan to the motherboards headers?
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post #5976 of 7188
you have to use the motherboard header.
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post #5977 of 7188
Quote:
sliding a drive out of a backplane connector is basically the same as just unplugging the SATA cable. And sliding a new drive in is also basically the same as just plugging a cable into the drive directly. In such a situation, "hot-swap" functionality exists on the Perc 6/i. Plugging a drive cable directly into a spinning (powered) drive that has not been previously connected to the controller results in the drive being recognized in the LSI MSM Manager GUI. Subsequently removing the cable makes it disappear, and no harm is done to the drive or controller.

For the benefit of the search, I had an RE2 drive (firmware 1C01) fail in a SATA RAID-10 volume on a Perc-6i (firmware 6.2.0-0013). Drive is connected using a combined data and power plug, although the power is in turn fed from a molex (so no 3.3V presumably). RAID array consisted of drives 0,1,2,3, with drives 4 and 5 on another volume.

Removing the failed drive (drive 2) with the system running didn't cause disruption; the drive simply disappeared from the list. However connecting a replacement immediately caused the controller to list drives 0 and 1 as missing and hence the RAID volume was destroyed. Drives 3, 4 and 5 remained online and the volumes served by drives 4 & 5 continued running. After power-cycling the 'foreign' volume consisting of drives 0,1,3 could not be imported.

I've never had a problem replacing REx drives on production Dell servers with the 6i (in Dell hot-plug caddies), hence posting this experience for the sake of warning to others: if the machine doesn't have a Dell backplane, do not attempt to hot-plug a replacement drive with the Perc 6i!
Edited by pearce_jj - 8/21/12 at 2:05am
post #5978 of 7188
Do the Perc 6/i's have issues with 4k drives or 3TB or larger drives?

I've read that the 5/i's have issues with them.
post #5979 of 7188
Yes they have issues, only the H200/H700 will support 3TB + drives.

I'd have to do a search to find the data sheet, but that is what is listed.
post #5980 of 7188
Be careful with drivers over 1TB with the 6i, see here: http://kb.lsi.com/KnowledgebaseArticle16271.aspx (same SoC is referenced)
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