Zitat von Charles Marcus <cmar...@media-brokers.com>:
Hello,I'm in the process of finalizing the spec for my new dovecot VM, and this is the last question I need to address...I've read until I'm just about decided on XFS, but I have no experience with it (been using reiserfs on my old box (@ 8 yrs old now), and never had a problem (knock on wood), but considering its current situation (little to no development support for reasons everyone is aware of), I've decided now is the time to switch. It came down to XFS or EXT4, and I like what I've read about XFS, but am unsure how to tune it (or even if I should).I've decided to use mdbox for storage (been using maildir), and will enable SIS for attachments.So, anyone (Stan?) have any suggestions? Should I go with EXT4? Or XFS with just the defaults? Or XFS with one or more tuned parameters?Appreciate any suggestions (including links to docs dealing with tuning XFS for my mail storage conditions that are written more at the layman level) or comments from anyone experienced using both...
IMHO if you say "VM" than the filesystem inside the guest doesn't matter that much. The difference of ext4/xfs are mostly the knowledge and adjustability for special (high-end) hardware and the like. With a Hypervisor providing some standard I/O channel and hiding/handling the hardware details itself, most of the differences are gone. With this in mind your question should maybe more of "what filesystem is more Hypervisor friendly". For this i would suspect the simpler the better, so i would choose ext4.
Regards Andreas
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