Virtualization, GlusterFS, and automation

 Triviality  1 Response »
Jan 272014
 

Finally I got some time playing with GlusterFS and libvirt.

I’m not going to step into GlusterFS setup as it’s really easy and straight forward, I did CentOS kickstart (non-attendance) installation as well since it may help me in future deployment. Note that I assume you have glusterd running the host node, other all localhost below should be replaced by the hostname that is running glusterd. Continue reading »

Playing with Gluster File System

 Triviality  1 Response »
Aug 052013
 

Working on glusterfs test environment as mentioned here, so far everything’s working with some headache.

  1. have 4 nodes up and running and join into same pool, make all extra disks (sdb, sdc, sdd) XFS (fdisk then mkfs, so sdb mentioned below is actually sdb1)
  2. create distributed-replicated volume gfs_v0 with gfs11:sdb+gfs12:sdb and gfs11:sdc+gfs12:sdc
  3. mount gfs on all these 4 boxes (I don’t have dedicated client hosts …)
  4. copied 16 450M~500M tgz files to gfs_v0, everything looked fine

    5. Continue reading »

To-do list with glusterfs

 Triviality  2 Responses »
Jul 222013
 

Playing with GlusterFS now, here’s the to-do list:

  1. Installation and basic configuration, plus getting familiar with command line utilities
  2. Set up RAID-10-like configuration, with geo-replication if it is possible
  3. Regular routine maintenance, haven’t got clear idea yet, but should include: expand a volume, shrink a volume, replace a brick in volume, re-balance data, convert another fs to glusterfs, recover from various disasters, etc.
  4. Performance testing with various scenarios, even people have certain number with them, include: mail server with maildir (large number of small files with small amount of concurrent access), file server (medium number of files and medium size with almost no concurrent access), video server (small number of large files with large amount of concurrent access), file based database like SQLite and BerkeleyDB (concurrent access with lots of seek operation), and RDBMS like mysql/postgre.

Sound like a great plan, right :D? Let’s see.