0
votes
2answers
76 views

shrink ext4 partition on raid 10

My question is similar to Move ext4 partition, but the challenge I couldn't figure out is how to shrink a partition from the start. So suppose originally the partition (with raid) is like this. ...
1
vote
0answers
209 views

Ubuntu 12.04 ext4-fs error/inode

I am running a Dell PowerEdge T420 with Ubuntu 12.04 32bit. The hard drives are a RAID1 setup. Last week, I began getting errors that cause the build I am running to fail. I found this in the log ...
0
votes
0answers
61 views

Hardware RAID1 - ext4 errors won't go away with fsck

Short summary: yesterday my server's root drive (RAID1, 2 identical drives mirrored) was kicked into read-only. Trying to reboot I saw superblock errors, so I boot into Live-CD and fsck the drive. It ...
1
vote
1answer
208 views

Hard Disk Formatting Error

so here is the situation.. I installed Ubuntu, pretty sweet.... all was going well till i tried to install an application " LPCXpresso IDE for ARM micro controllers" now the PC hung up as soon as the ...
1
vote
1answer
218 views

High CPU load for 1:30 minutes when mounting ext4-raid partition

--> The problem solved itself <-- Sometime between November 2012 and January 2013 one of the Ubuntu updates made the time the mount command takes to complete go down to ~1 second again: time ...
3
votes
1answer
6k views

Disks constantly spinning no matter what I do (jbd2). I'm on the brink of insanity

My disks have been spinning for months. It started with Ubuntu 11.10, and continues with 12.04. I can't figure out how to stop it. I've looked at various folks suggestions online about ext4 commit ...
3
votes
1answer
2k views

SSD + TRIM + ext4 OK. What about LVM and RAID?

I've read that SSD TRIM is now supported in the recent kernels with ext4 too (see How to enable TRIM? ). Is it OK/safe to enable TRIM when having a) LVM b) RAID1+LVM? Thanks!
2
votes
1answer
4k views

How can I access an Ubuntu RAID device from Windows?

I have Ubuntu installed on an Ext4 RAID1 with Windows 7 on another disk. The RAID is a software RIAD setup in Ubuntu. I've used the Ext2Fsd project to mount normal Ext4 systems, and it works well. ...