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5
votes
6answers
10k views

MegaRAID JBOD substitute

It seems that certain MegaRAID chips don't support JBOD (unfortunately). I've read online that to make these controllers act as a pass-through, I should configure the disks in RAID0. What RAID0 ...
8
votes
2answers
18k views

How can I get an email alert when RAID array is degraded? VMware ESXi 5.0, MegaRAID SAS 9260-4i

We have recently bought a "white box" server to run VMware ESXi 5.0 (we're planning to use the vSphere 5 Essentials Kit). According to VMware's Compatibility Guide, the server's LSI Logic MegaRAID SAS ...
6
votes
7answers
13k views

MegaCli: Get the /dev/sd* device name for a logical drive

Let's say I know the drive I want is on Adapter 8, Virtual Drive 0, is there a way to get the Linux device name (e.g. /dev/sdt)? I am on RHEL 6.2. -pdlist displays a WWN value for each physical drive,...
4
votes
1answer
11k views

What's a “battery relearn” on a LSI MegaRaid?

Our file server just started mailing us about how its battery backup is draining and it's switching from WB to WT mode and so on. I looked through its logs and found that it is configured to ...
3
votes
2answers
962 views

How does LSI MegaRAID actually lay out RAID10 sets?

I'm trying to set up a RAID10 set on an LSI MegaRAID controller. It is unclear to me how the RAID controller will actually lay out the RAID set on the physical drives. Part of the problem is that ...
1
vote
3answers
630 views

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? ...
1
vote
1answer
2k views

Xenserver 6.5 LSI MegaRAID

Is there a package available to install the MegaCLI on XenServer6.5? For 6.5 there is this [1] but 6.5 has another kernel. XenServer 6.5 is based on CentOS6.5 (right?), so I also tried the kmod-...
1
vote
1answer
8k views

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 ...
-1
votes
1answer
1k views

Hard disk is not detecting in Intel® Server Board S2600CP

I am trying to install Debian Squeeze 64 bit OS in the "Intel® Server Board S2600CP" server. But while installing the OS , hard disk is not detecting to do the partition. When we search in ...