5
votes
4answers
537 views

How do I configure RAID 5, especially stripe size, with 24 x 1.2 TB drives for CentOS 6?

For a Dell R920 with 24 x 1.2TB disks (and 1TB RAM), I'm looking to set up a RAID 5 configuration for fast IO. The server will be used to host KVM VMs that will be reading/writing files of all sizes, ...
1
vote
2answers
150 views

Adaptec 2020SA RAID controller Set up in RAID5, one drive went down, can I still get data?

I have 6 1tb drives in a RAID5. 1 drive went down. On the RAID was 2 virtual machines that I really need back up and running. The spare drive I have to put in the server is a 1.5tb drive, which ...
1
vote
1answer
195 views

Linux software RAID-5: failed drive doesn't degrade the array

I have a CentOS 6.0 install sitting in a Hyper-V VM. I'm trying out some of the software RAID features of Linux and I've got a RAID-5 array made up of virtual SCSI disks. Most of it works fine: if I ...
3
votes
5answers
1k views

Detecting raid setup in centos 5

We have bougth a server off of Iweb web hosting and its supposed to have raid5 hardware installed. At this point so many things have gone wrong with IWeb we are just not sure we have our raid at all. ...
2
votes
1answer
495 views

How long should the initial creation of my RAID 5 Array take? This seems ridiculous

I'm building a raid 5 array with 3 1.5TB drives on CentOS 5.5 using mdadm. Everything seems to be working fine, except it's taking forever and I'm not sure if that's normal. It's going on 6 hours ...
0
votes
1answer
243 views

Older raid controllers in raid 5 vs. Jbod and SW raid

I'm in the fortunate position to have 6 Supermicro older VOD servers with the following config: Supermicro 3U case, 3xPSU Dual Xeon 3ghz P4 class cpu (5 years old.. havnt checked the exact type) 4GB ...