Tagged Questions
2
votes
1answer
31 views
extending a partition by resize2fs
I have a 4 GB SD card. Before the image load
root@ubuntu# fdisk -l
Disk /dev/sdb: 3965 MB, 3965190144 bytes
49 heads, 48 sectors/track, 3292 cylinders, total 7744512 sectors
Units = sectors of 1 * ...
1
vote
0answers
121 views
iSCSI on startup
I've configure iSCSI but CentOS 6.3 is unable to recognize if on startup.
Here is fstab config:
/dev/sdb1 /home ext4 _netdev 0 0
Here is iscsi.conf ...
2
votes
4answers
899 views
Finding all storage devices attached to a Linux machine
I have a need to find all of the writable storage devices attached to a given machine, whether or not they are mounted.
The dopey way to do this would be to try every entry in /dev that corresponds ...
2
votes
1answer
208 views
Trapping “READ FPDMA QUEUED”
Recently I encountered a kernel message:
ata3.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x0
ata3.00: irq_stat 0x40000008
ata3.00: failed command: READ FPDMA QUEUED
ata3.00: cmd ...
0
votes
1answer
226 views
Do I need ephemeral storage?
I was running a small instance on Amazon EC2. I'm trying to migrate it to a micro as it requires very minimal processing power. One thing I just learned though, is that micro instances do not come ...
2
votes
0answers
105 views
How do create an encrypted system with multiple Linux distributions?
A few weeks ago I created a completely encrypted system on a notebook and must say I like the idea. It's a little bit annoying to enter the password on every boot, but it's nice to know even if I ...
2
votes
3answers
888 views
ReFS but for Linux
Microsoft is going to bring a "Resilient FileSystem" with Windows 8, but only for servers. I'd like that on a Linux desktop, but my search reveals no contender. There are so many filesystems for ...
1
vote
1answer
807 views
How should I set up additional EBS storage on an Amazon EC2 instance?
One of my clients has three EC2 servers on the Amazon cloud, with several attached EBS devices:
server 1 and server 2 are ubuntu micro instances, and server 3, the main production box, is a ubuntu ...
2
votes
2answers
577 views
slow media - disk cache tuning?
Is there any way to make the system more consistent when using LUKS? (or slow storage in general) as it is everything is snappy until the write buffer is full, then everything grinds to a halt as the ...
3
votes
3answers
99 views
Share unchanging data from a central repository on a network
I have a bunch of different binary files (total size of all files is circa ~500GB) stored in a hard drive that is mounted to machine001.
I have 200 other machines that need to access this data for ...
5
votes
4answers
6k views
linux: How can I view all UUIDs for all available disks on my system?
My /etc/fstab contains this:
# / was on /dev/sda1 during installation
UUID=77d8da74-a690-481a-86d5-9beab5a8e842 / ext4 errors=remount-ro 0 1
There are several other disks on ...
4
votes
3answers
217 views
RAID 1 in linux
I'd like to setup RAID 1 with two drives in linux. I don't have a hardware RAID controller and don't want to buy one, so what is the best software RAID option for linux?
Note: If it makes a ...
20
votes
7answers
2k views
How can I use DD to migrate data from an old drive to a new drive?
I am upgrading the internal SATA hard drive on my laptop from a 40G drive to a 160G drive. I have a Linux/Ubuntu desktop which has a SATA card. I would actually like to do the same thing for a couple ...