Thread (35 messages) 35 messages, 10 authors, 2013-02-12

Re: help about ext3 read-only issue on ext3(2.6.16.30)

From: qixuan wu <hidden>
Date: 2012-12-06 16:26:27
Also in: linux-fsdevel

Hi yongqiang,

On Thu, Dec 6, 2012 at 10:58 AM, Yongqiang Yang [off-list ref] wrote:
Hi quxuan,

Could you have a test with ext3's journal disabled?   In our
production, I encountered several cases where deleting on a deleted
entry happened in ext2, however it doesn''t bother apps, so we didn't
dig the cause.
We did not test by disable journal. Our customer is usring default
journal mode. Because journal is concern only if the system power off.
If system is continously running and give readonly error, we thought
it's nothing about journal. I am not very clear what about the issue
"deleting on a deleted entry", seems not same as our issue. If you can
more detail about it,  it will be welcomed. :)
Yongqiang.

On Wed, Dec 5, 2012 at 11:46 PM, qixuan wu [off-list ref] wrote:
quoted
Hi Tao,

On Wed, Dec 5, 2012 at 9:58 PM, Tao Ma [off-list ref] wrote:
quoted
Hi qixuan,
On 12/05/2012 12:16 AM, qixuan wu wrote:
quoted
Hi Tao, all,

    I guess it's a memory(or ext3/kenrel) issue. Beause in one
machine, after report this issue, the partition is made to readonly,
we use debugfs to "ls dir", and it's fine. It can list all files
without error. If the disk has issue, when we using ls command, it
will give error also. (The dir name is also using debugfs to get by
issue inode ID.)
Are you sure the disk is good? I just checked the code in e2fsprogs, it
seems that it will not complain if rec_len = 0, and the dir iteration
just aborts. I guess the right way should be dd the corresponding block
out, decode and read it in binary format. :(
    Good idea, will do it.

Thanks
wuqixuan
quoted
Thanks
Tao
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--
Best Wishes
Yongqiang Yang
Thanks
wuqixuan
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