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Re: Xfs_repair and journalling

To: Subranshu Patel <spatel.ml@xxxxxxxxx>
Subject: Re: Xfs_repair and journalling
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Mon, 18 Mar 2013 23:02:40 -0500
Cc: stan@xxxxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <CAEUQceie41dh7h6uZSMu4-JB_BDu82X5CrKxHb=9wVQVAPzKgQ@xxxxxxxxxxxxxx>
References: <CAEUQceh-Xcabr0KErxF6EAdafDDP1PY_AeHwgYB82QeUdyGp-g@xxxxxxxxxxxxxx> <51455408.4070801@xxxxxxxxxxxxxxxxx> <CAEUQceie41dh7h6uZSMu4-JB_BDu82X5CrKxHb=9wVQVAPzKgQ@xxxxxxxxxxxxxx>
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On 3/17/13 6:42 AM, Subranshu Patel wrote:
> 
> In case of EXT4, journal will not be replayed on performing mount.
> One need to invoke fsck which performs journal playback and then
> other corruption checks/recovery. Correct me if I am wrong.

You are wrong, I'm afraid.

Simple tests, or reading the code, will show you that ext4
replays a dirty log at mount time.

-Eric

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