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Internet, Unix en security

BtrFS as ongoing project

BtrFS is still an ongoing project for me, but if it will become a production platform for me soon is the question. Also playing with mirroring on BtrFS level made me wonder even more as it does the calculating about storage usage a little bit differently. Normally with mirroring you see the storage you can […]

Categories
Internet, Unix en security

Switching from VirtualBox to KVM (maybe)

I have been a VirtualBox user for a long time, but since I’m now looking more closely at BtrFS I also took a closer look at what is in $HOME. VirtualBox harddisks and ISO-images are a large chunk of it and maybe the time has come to look at a different solution. One of the […]

Categories
Internet, Unix en security

No smooth transition in Debian

Bugreport 638019 appears to be very straight forward, until the code finally hit Debian Testing last weekend. A simple relocation of a FIFO-buffer from /dev to /run caused direct trouble for machines with systemd and a normal shutdown wasn’t possible anymore. Both bugs 657979 and 657990 are a results of the modification. Seeing the overview […]

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Internet, Unix en security

BtrFS and readonly snapshots

In a previous posting I started with BtrFS and as mentioned BtrFS supports snapshotting. With this you can create a point in time copy of a subvolume and even create a clone that can be used as a new working subvolume. To start we first need the BtrFS volume which can and must always be […]

Categories
Internet, Unix en security

First steps with BtrFS

After using ZFS on Solaris, I missed the ZFS features on Linux and with no chance of ZFS coming to Linux, I had to do with MD and LVM. Or at least until BtrFS became mature enough and since the Linux 3.0 that time slowly has come. With Linux 3.0 BtrFS supports auto defragmentation and […]