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ext2: mark as deprecated - kernel/git/torvalds/linux.git - Linux kernel source tree
(git.kernel.org)
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Sure, as soon as there's a stable replacement available.
I wouldn't put my mission-critical file server on BTRFS.
Oh, but I and a lot of people do and it is way more reliable than ext* filesystems ever were. Maybe ZFS or XFS is more your style then? Ext4 is very, very prone to total failure and complete data loss at the slightest hardware issue. I'm not saying you should rely on any filesystem ever, backups are important and should be there, the thing it that recovering from backups takes time and the amount of recovery that ext forced me into over the years isn't just acceptable.
Do you have a source for the ext4 failure stuff? I use ext4 currently and want to see if there's something I need to do now other than frequent backups
Not seen a fs corruption yet. But i have only run ext4 on around 350 production servers since 2010 ish.
Have ofcourse seen plenty of hardware failures. But if a disk is doing the clicky, it is not another filesystem that saves you.
Have regularly tested backups!