10
votes
Accepted
HP P840 HDD RAID 5 many strange drive failures
You probably have an heavily punctured array, which cause an early "planned death" of the replacement disk due to failed stripe reconstruction. You can read more information here and here
The ...
5
votes
HP P840 HDD RAID 5 many strange drive failures
You should be using RAID6 with the size and types of disks in the system. However, there's nothing inherently wrong with running RAID5 on HP Smart Array RAID controllers. I think your issue is a ...
4
votes
Accepted
Why would one need a SAS-SATA controller card?
Is it mostly to offload the RAID management and calculations to a different CPU than the one from the machine?
If you have a HW RAID controller: Maybe. This gets less important with ever faster ...
4
votes
Smart Array P822 with HBA Mode?
As a short simple answer to anyone who is looking in the future for how to enable HBA mode on a HP Smart Array P822, here is how. (This post comes up top in Google)
You'll need to access the CLI ...
4
votes
Accepted
Smart Array P822 with HBA Mode?
This question isn't formatted well and is missing a lot of information, but I'll get to the core technological point.
It sounds like you want to use ZFS on an HP server with an external drive ...
4
votes
HP ProLiant DL380 G5 - Use without Raid Controller?
The RAID controller in an HP DL380 G5 is on an HP Smart Array P400 or E200 RAID controller in a low-profile PCIe slot.
You should look for the two SAS SFF-8484 connectors on the system board. Those ...
3
votes
How can i test my SAS Controller card?
I am in need of testing my Dell SAS Controller card.
Simple. Replace with another one. Then you know whether or not the card has problems.
None available? Can we get back to "professionalism&...
3
votes
Accepted
Updating Raid Controller
You would very likely NOT be able to swap cards without reformatting your drives. It's technically possible, but the time spent doing it will quickly outweigh the time it would take for you to restore ...
2
votes
Accepted
ProLiant DL360p Gen8 + P421 + D2700 enclosure + hpsa - not seeing logical disk device (Ubuntu 14.04)
What was initially "failed" about the array? This is one of those cases where I'd like to know what happened just before you wrote the question.
[3:0:0:0] disk HP LOGICAL VOLUME 6.34 - ...
2
votes
HP ProLiant DL380 G5 - Use without Raid Controller?
Per the HP specs:
Three full-size PCI-E expansion slots in standard expansion
cage (or optional mixed PCI-X/E expansion cage). Two
additional low-profile PCI-E slots embedded on the ...
2
votes
Accepted
LSI MegaRaid SAS 9271-4i - "Upgrade Key Missing" after 2012R2 update
I know on Dell servers, there is a little daughter board with something like a 10 pin header connector. Sometimes that daughter board needs to be removed and re-seated.
Otherwise, you probably have a ...
2
votes
Accepted
Drop-in replacement of Dell H330 controller with H730(P)
They are both PERC9 serie controllers, so you should be able to simply swap the controllers. After that, your array will be market as "foreign" and you need to import it in the new controller.
Pay ...
2
votes
Proliant DL180G6, RAID controller: centos installation shows phisycal disks, not logical drive
The B110i really is a fake raid controller - it requires a binary, opaque driver to be loaded into the OS kernel.
It will not buy you basically anything over software RAID, with the significant ...
2
votes
Accepted
What is the maximum physical drive size on an HP p420i RAID controller?
Ive Googled a hour and wont find any info if bigger Drives will work, so i equipped a Z220 Workstation with a 1GB P420 Controller (similar to P420i, but the Card version, the i is integrated)
And ...
1
vote
Silicon Image Raid5 search for data recovery options
Check serial number of the faulty disk the controller told you it's faulty and validate while the server if OFF before restarting the server.
While hardware restart, this time with hood open, the &...
1
vote
Accepted
AOC-S3108L-H8iR SAS Fault LED
Remove the SAS cable, power down and up again, then try to enter the controller's setup during bootup. If that isn't possible the RAID controller's dead and needs replacement.
1
vote
What is the maximum physical drive size on an HP p420i RAID controller?
I couldn't find a quickspec for the P420/420i that listed the 8TB disk as being supported, in fact I can only find one referring to 4TB disks but that document you link to is clear - it supports 8TB ...
1
vote
What is the maximum physical drive size on an HP p420i RAID controller?
Nobody knows how big hard drives could be used on your server, you could try disks with bigger, but it can only be determined in practice. Vendor guarantee, that system would work with 8Tb disks ...
1
vote
Accepted
Proliant DL180G6, RAID controller: centos installation shows phisycal disks, not logical drive
To have the proper drivers loaded during installation process you can follow the procedure described on this HP support page:
Go to HP website.
Click here to access the HPE website .
...
1
vote
Windows Server crash with multiple RAID controllers
Answer above helped me to identify the problem - this is good algorithm. Sometimes we suspect something that seems more obvious - in my case usage of several RAID controllers from different vendors ...
1
vote
Accepted
Windows Server crash with multiple RAID controllers
I have used lsi controllers ,
First of all:
Any brand of controllers usually try to connect each other and see each other for various configurations. And when their rom software version changes they ...
1
vote
Accepted
Adding SAS/RAID controller disables network ports. Why?
Apparently, just plugging in a new PCIe card changed the interface name. I just needed to ip link show to get the new names, then update them in /etc/network/interfaces
1
vote
Accepted
What's the difference between a HP P420i (2GB FBWC) and a HP p822 (2GB FBWC) Raid
The main user-visible difference is that the P420i is a classical internal controller, to be used with a local backplane, while the P822 has four external SAS connector. You need to use a P822 when ...
1
vote
Drop-in replacement of Dell H330 controller with H730(P)
I've taken the "foreign import" route probably 6 or 7 times and it hasn't failed. Clearly have a backup handy, but my approach to those things is have the backup then attempt the path of ...
1
vote
Are SAS expanders compatible?
There's no guarantee at all that a generic disk enclose may work (reliably). Chances are it will but what risk can you take? If the controller's certified expansions aren't available any more I'd add ...
1
vote
Adaptec 52445 RAID controller error 418: Bad block discovered, but which drive?
After a bunch of searching, I was able to track down the fact that this controller writes more information into a separate error log named RaidEvtA.log that it stores in its own location. In my case, ...
1
vote
Updating Raid Controller
1) If you stay in the same family of controller usually the config can be recognized. In your case please ask the vendor/manufacturer for a validation.
2) If your array is created, then consider it ...
1
vote
HP DL380 G4 smart array controller error
I've seen this happen on servers where the write cache battery module wasn't connected properly. Try booting without it and see what happens. If it boots up correctly (it will most likely complain ...
1
vote
HP DL380 G4 smart array controller error
This server is just too old to try to troubleshoot.
See: HP Proliant DL380 G4 - Can this server still perform in 2011?
The RAID controller on this server is an HP SmartArray 6i. It's on the ...
1
vote
HP Proliant ML350 G5 - smart array initializing
I had the same issue. I watched the drive lights, you can see as the raid controller detects each drive a light blinks on the drive. I noticed the same hard drive was always being detected each time ...
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