RAID - Redundant Array of Independent Disks. A Storage technology to provide redundancy and performance, to reduce I/O bottlenecks involved in using multiple disks for large storage.
6
votes
2answers
1k views
Will the system make sure that mdadm is sync-ed before completing a reboot?
This is a follow up to my crazy mdadm problem. I'm trying to figure out what might have caused sda to get out of sync in the first place. The only thing I can think of is that I had just run a bunch ...
2
votes
1answer
683 views
Interpreting tiobench results
I'm running tiobench on my raid1 and it gives me the following results.
Why is there ##### shown instead of throughput?
Why does seq.reading with 8 threads use 2836% CPU?
My results:
$tiobench
No ...
1
vote
2answers
1k views
How to set up disk mirroring in Ubuntu?
I have a computer with two WD 1TB drives and I want to configure disk mirroring on it.
I tried setting up RAID during the installation by creating RAID partitions but that does not work for me.
Is ...
1
vote
3answers
164 views
Get Position of RAID Hard Drives
I was recently tasked with creating a hard drive management system on Linux. I needed to write a program that monitored when drives came online and offline and created/removed links to the drive ...
3
votes
3answers
644 views
Avoid pause during dm-raid initialization
On my CentOS 5 workstation I get a few seconds wait after dm-raid45 has been loaded ("Initializing Driver" or something like that).
This seems to be part of the initrd. After that the system boots ...
2
votes
1answer
1k views
Linux: LUKS and multiple hard drives
I have a Debian Linux system (amd64) installed on a RAID-1 system encrypted device (LVM on LUKS) and will have a RAID-6 of >=4 disks where I'll put my data (LUKS and maybe LVM).
I think the basic ...
2
votes
1answer
306 views
Drive was unable to assemble into the array
I ran
mdadm -A /dev/md0 /dev/sda1 /dev/sdb1
Only /dev/sdb1 was loaded into the array though. I have a few more arrays on the same two drives too. Each time the partition on sda failed. dmesg told ...
1
vote
2answers
194 views
Copying linux install from non-RAID/x86 to RAID/x86-64
I'm copying an Ubuntu Server install from an x86 machine with a single hard disk
to a new machine with x64 and two identical disks. Two partitions will span
the new disks: One small-ish RAID1 for ...
