is online resize2fs ext4 close/reset all open files?

Nick asked:

On my CentOS 6.x I did online ext4 filesystem resize using resize2fs.

The only program running on this disk was sphinx search.

I noticed that sphinx server had lots of:

[Sun May  1 11:11:11.479 2011] [21134] WARNING: send() failed: 32: Broken pipe

One possible explanation is the open files were closed.

Is online resize2fs ext4 close/reset all open files?

My answer:

Resizing an ext4 filesystem won’t affect any open files.

Anyway, your error message is about send(), which isn’t used for regular files. It’s used to write to sockets, such as network connections or UNIX domain sockets.

You should also look at the timestamp…

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