linux-ext4 - Re: resize2fs hang at read function

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Message-ID: <CAOHr083j95bS3UC4NgRAuHOucVGHrDO--ZLEvuRW4WBmKY=kaA@mail.gmail.com>
Date:   Thu, 8 Mar 2018 07:32:39 +0800
From:   rong zhao <zhaorbox@...il.com>
To:     Jan Kara <jack@...e.cz>
Cc:     "Theodore Y. Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
        linux-fsdevel@...r.kernel.org
Subject: Re: resize2fs hang at read function

OK, will do it.

Maybe enterprise world looks forward to more steady, so very conservative.

Rong

2018-03-07 16:49 GMT+08:00 Jan Kara <jack@...e.cz>:
> On Wed 07-03-18 00:08:46, Theodore Y. Ts'o wrote:
>> On Wed, Mar 07, 2018 at 11:01:40AM +0800, rong zhao wrote:
>> >
>> > I downloaded the latest e2fsprogs source code from kernel.org, it works.
>>
>> I'm not sure what the difference is, but I'm *shocked* that RHEL 7.4
>> is still using e2fsprogs 1.42.x.  There are a very large number of
>> resize2fs bugs, especially with very large file systems, with
>> e2fsprogs 1.42.x.  Especially in the case of off-line resizes with a
>> lage ext4 file system, with a resize2fs from e2fsprogs 1.42.x, data
>> corruption is almost a certainty.
>
> Yeah, welcome to the world of enterprise distributions :-|. Even in SLES 12
> SP3 (our current latest "enterprise offering") we have e2fsprogs 1.42.11 as
> well. And the reason is that at the time we were looking what e2fsprogs to
> put there (which was about two years back), 1.43 was still "WIP" and so I
> had some doubts whether we can ship it in a distro supported for another 10
> years. So we have 1.42.11 and only backport fixes based on customers' bug
> reports.
>
> Luckily we are somewhat flexible at least on service pack releases so now
> that e2fsprogs is having more regular releases (big thanks for that!), I
> actually take your comment as a good reminder to talk to our PMs about
> pushing 1.43.x to SLE12 SP4 :).
>
>                                                                 Honza
> --
> Jan Kara <jack@...e.com>
> SUSE Labs, CR