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Re: Ask for XFS recovery on filesystem

To: Fangzhenyu <fangzhenyu@xxxxxxxxxx>
Subject: Re: Ask for XFS recovery on filesystem
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Sat, 29 Dec 2012 14:16:39 -0600
Cc: "linux-xfs@xxxxxxxxxxx" <linux-xfs@xxxxxxxxxxx>
In-reply-to: <36116DD4AA552A499D927475B2C0772C0229A6F9@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
References: <36116DD4AA552A499D927475B2C0772C0229A6F9@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:17.0) Gecko/17.0 Thunderbird/17.0
On 12/27/12 10:03 PM, Fangzhenyu wrote:
> Hi all,
>       Hopefully someone can help me out. J
>       The machine use XFS filesystem,Linux kernel is 2.6.37,and capacity of 
> hard disk is 500GB.
>       Power off the system directly without umount, then power on it. If now 
> the hard disk has several hundred files or the system has been run a long 
> time, the system start will last more than several seconds,for example:
>       [12-27 09:48:43]Starting XFS recovery on filesystem: sda1 (logdev: 
> internal)
>       [12-27 09:49:18]Ending XFS recovery on filesystem: sda1 (logdev: 
> internal)

so log replay took ~30s.  is that bad?

>       Worse, the system will stop at the Starting XFS recovery, no Ending XFS 
> recovery,so it can't work.

But you show "Ending XFS recovery" above, so I don't understand.  It seems to 
have completed just fine.

>       So, Can you tell me something about why stop at Starting XFS recovery. 
> And what item affect the recovery time??

The log geometry is one thing which could affect the max time to perform log 
recovery.  Maybe you could provide xfs_info output.

So far I see no real problem here; your fs replayed the log, and it took 30s to 
do so.  That might be a little longer than I'd expect, but I have no other 
details to work with.



>       Hopefully you can reply me.
>       Thanks very much!
> leon
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