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Dec
26
answered Which VPN to choose?
Dec
26
comment Operation on one disk overloads other disks
@stant, also /dev/md2 contains your reserve-backups volume group, which you totally destroyed by running pv < /dev/zero > /dev/md2
Dec
26
comment Operation on one disk overloads other disks
@stant, your system and lxc volume groups are on sda and sdb, so if you ran dd if=/dev/zero of=/dev/sdb, you corrupted your raid array. At this point you need to immediately fail the two partitions on sdb out of their respective raid arrays, shut down, and fsck the volumes on them and hope they can be recovered before re-adding the sdb partitions to the arrays and letting them resync. To make sure the data is fully resynced, you need to mdadm --zero-superblocks on the sdb partitions before adding them back to the arrays.
Dec
25
comment `curl` outputs random characters
Maybe don't try to download and print binary files?
Dec
24
comment Operation on one disk overloads other disks
@stant, it is a combined 200 mb/s which isn't bad... but yes, I would expect more like 300 from an ICH10. What is your exact lvm and raid configuration? If you have a logical volume spread between two disks and you start doing a lot of activity to another partition on one of those disks, then that IO is competing for access to the disk with your IO to your logical volume. Try adding the output of lsblk to your question.
Dec
24
answered Operation on one disk overloads other disks
Dec
24
answered Is it safe to use a disk after a successful fsck?
Dec
24
comment How to solve [Errno 30] Read-only file system
The error is not that you do not have permission to write to the file ( which root always has no matter what ), but that the filesystem itself is read only, either by choice or by error.
Dec
23
comment MDADM Superblock can't be read - raid 1 mirror
@Fabby, I have often had hardware raid screw the pooch and then there is nothing you can do about it. On the rare occasion where I have had a software raid break, I've been able to fix it. I'll take the system I can see inside of and fix over an unknown black box any day.
Dec
23
comment How to use “systemd --user” instance?
@Silicomancer, hopefully 16.04
Dec
22
awarded  Nice Answer
Dec
22
comment MDADM Superblock can't be read - raid 1 mirror
@Fabby, it is not appropriate to say never use raid.. raid has its place... that place however, is not a substitute for real backups.
Dec
22
comment MDADM Superblock can't be read - raid 1 mirror
Your mdadm.conf does not appear to list any arrays. From what command did you get the error you mentioned?
Dec
22
comment How to use “systemd --user” instance?
@Silicomancer there is a user dbus session, but if you follow the chain of parent processes with ps l you will find that all of your processes are ancestors of an upstart process rather than a systemd one. I'm not sure why systemctl --user list-units works... it seems that it shouldn't.
Dec
20
comment How to use “systemd --user” instance?
@Silicomancer, yes.
Dec
17
comment Ubuntu 14.04 connecting to router instead of repeater
The repeater doesn't use a different name than the original router?
Dec
15
answered How to Install Ubuntu Desktop on RAID 1
Dec
14
awarded  Enlightened
Dec
13
comment downgrade from 14.04.03 to 14.04.02
You should still have the older kernel installed; just choose to boot using that one at the grub menu.
Dec
13
comment Defragging NTFS Partitions from Linux
@Juan, no, that is part of Windows. WINE just allows running third party applications written for windows. It also makes use of windows filesystem driver specific ioctls that are not available on linux.