[Bug 31730] Re: JFS is flakey

[Graziano]

I am using jfs as my root filesystem from feisty (now on jaunty), and I
have not got much issues with the filesystem itself. I DO think this IS
NOT an issue with kernel or jfs driver. This seems much related to
userspace jfsutils AND/OR initscripts.

First: jfs mount option are very limited, and practically are always defaults in fstab. I have experience once of a system where they have put noatime options which is not allowed by jfs, resulting in a mount failure each reboot.
Second: on Jaunty (not experienced on Feisty, Gutsy, Hardy or Intrepid) the jfs filesystem at boot needs ALWAYS to replay log, so what I think is that umount does not flush journal to disk. jfs MUST be checked for me at boot. On my laptop I had to disable check for battery power and enable fsck by default regardless of battery.

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JFS is flakey
https://bugs.launchpad.net/bugs/31730
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