Hi Eric, I have not tested this, but since we are putting about 16 different journals on this one ssd, I would assume that the loss through seeking between the journals would be pretty bad, and again bring back that inter-filesystem-dependency we were trying to loose with this measure. cheers tobi Today Eric Sandeen wrote: > Tobias Oetiker wrote: > > Experts, > > > > What happens if the disk hosting an external journal of a filesytem > > running with data=journal goes bust. > > > > The Backstory ... > > > > I have been batteling with filesystem performance for some time > > now. Our setup is a HW Raid(6) with LVM on top and ext3 filesytems. > > > > Recently we added an SSD to our setup and have moved all the journals > > to this ssd. This has dramatically improved performance and > > especially reduced the interdependence between performance of > > different partitions hosted on the same RAID. > > > > http://insights.oetiker.ch/linux/external-journal-on-ssd.html > > How does this compare to putting journals on a separate non-ssd device? > > -Eric > > -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch tobi@xxxxxxxxxx ++41 62 775 9902 / sb: -9900 _______________________________________________ Ext3-users mailing list Ext3-users@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/ext3-users
