Re: Single root filesystem evilness decreasing in 2010? (on workstations)
Andrei Popescu put forth on 2/28/2010 8:32 AM:
> On Sun,28.Feb.10, 03:20:38, Stan Hoeppner wrote:
>
>> /var up2u ext2 sequential write/read, journal unnecessary
>
> Would you mind going into details? I always thought the journal was
> especially useful on partitions like /var where it is more likely that
> the system will be writing something right before a crash/power failure,
> but I'm definitely not an expert.
Depends on what you're writing and what platform. Most of /var is
non-permanent data, /var/mail and /var/log being exceptions. Depending on
what mail client is used and how it's used, /var/mail may not be used at
all, leaving most of the write activity to the log files. Workstations
typically aren't writing a ton of data to /var/log, nothing like most
servers, so IMO a journaled FS isn't really necessary for /var. Others may
have other opinions.
Something to consider is that millions of people have been running single
ext2 partitions with everything in / for quite some time. I don't recall
reading many system crash horror stories of data loss in /var or anywhere
else in the Linux filesystem.
My recommendation of XFS for /home was mainly focused on speed. XFS has
very fast copy speed and handles large files very well. The journal is just
a bonus. My comments in this thread are workstation specific. In a server
environment there are many other reasons I choose XFS.
--
Stan
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