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Questions tagged [megaraid]

200 questions
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LSI MegaRAID SAS 9261-8i: Disk isn't recognized after replacement

I've got a Supermicro Server with an LSI MegaRAID SAS 9261-8i Raid Controller inside. There were 3 Disks attached to the controller which were configured as RAID5 array. One of the disks failed recently (RAID displayed as degraded) and after…
morten.c
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running commands on physical drives on different backplane with megacli

So when I run "MegaCli64 -PDlist -aALL -NoLog | egrep 'Slot|state|Inquiry|Enclosure'" to grab a list of disks and their status. I can see a total of 36 disks. The issue is that they have the same slot number and the megacli says to reference the…
Lookcrabs
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I forget to record the physical disk sequence for MegaRAID before transfer. Is there any way to recover.

I was so careless when I send my server for repairing. I removed disks from chassis to protect the data, but I did not record the position sequence for each disk and my raid card failed to build RAID5 after I changed the sequence for my current disk…
Shisoft
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Patrol Read Aborted on PD

Getting “Patrol Read Aborted on PD" warning message on MegaRAID Storage Manager. After research I found that Patrol Read and Consistency Check (CC) was scheduled by controller to run at the same time (which not supposed to happen) on IBM web site if…
user176320
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RAID10 Without BBU, With UPS

My datacenter says that each rack has primary and backup power on each rack. I assume this means there is a UPS for each server. Therefore, do I have any need of getting a BBU for the following setup? Intel Cherry 520 SSD x 4 RAID 10 LSI-9260 with…
user3180
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MegaRAID - changing cache policy online

I would like to perform some tests with WriteThrough and WriteBack. Is it safe to change these settings on a production system? The RAID controller doesn't have a BBU so I would like to enable WriteBack just for the duration of the test…
HTF
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Online expansion PERC700 RAID6 server

I have a Dell PowerEdge r510, with 5 HDDs in a RAID6 configuration. I'd like to add a 6th disk (and, in the future, more) to grow the hardware RAID configuration. I have a logical volume, in which the current disks are all physical volumes. I…
radpotato
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Drive is failing but LSI MegaRAID controller does not detect it

smartmontools reports an increasing number of unreadable sectors on a drive that is used in a RAID1 configuration. I thought that the LSI MegaRAID controller also checks the SMART status of its disk drives and therefore should recognize the drive as…
nn4l
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How do I banish desktop alerts on an LSI MegaRAID-equipped Win 2008 installation?

A bit of background - recently we've been upgrading Win2003 systems to Win2008, and all of these servers have an LSI RAID controller card installed. The previous system image had popup and email alerts disabled in the MRMonitor config, but someone…
George Erhard
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Possible bad raid card / hard disks (LSI 9261-8i)

I am in a bit of bad spot at the moment, i have a dedicated server hosted by someone else, it has a LSI 9261-8i raid card installed, attached is: 3x300GB SAS 15K rpm disks (in RAID5) 5x2TB SATA disks now the only way i could get my system to…
Paul Hinett
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megacli64.exe manual

Is there any document that explains the command line switches of megacli better than the cryptic output of megacli64 -h ? The machine is an IBM x3650 m3 to which I added three more disks.
adamo
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Adding SSD boot disk to machine running RAID 10

I have a server (dev rig) that runs Windows 2008 R2 and boots from a RAID 10 setup. Now I want to add an SSD disk that will contain Windows 7 (could be dual boot, but dont plan on salvaging the existing OS setup as it only contains virtual machines…
Anders Rask
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Horrible performing RAID

I have a small GlusterFS Cluster with two storage servers providing a replicated volume. Each server has 2 SAS disks for the OS and logs and 22 SATA disks for the actual data striped together as a RAID10 using MegaRAID SAS 9280-4i4e with this…
Philip
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Install MegaCli to Monitor Perc 5/i in Nexentastor 3

I have a Dell 2950 with a Perc 5/i Raid controller that we've already installed Nexentastor 3 Community Edition on. We setup a raid-10 array that and put a ZFS pool on top of the hardware. As I understand, in this configuration ZFS/Nexentastor…
Peter Valadez
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MegaRAID SAS 8208XLP

I'm just wondering whether anyone knows if I can use a Debian distro with the MegaRAID SAS 8208XLP controller. Currently at the moment LSI only supply drivers/support for RHEL/CentOS but I was wondering if anybody knew if there were other drivers so…
Tom
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