linux-kernel - Re: [patch 0/7] Add TRIM support for raid linear/0/1/10

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 17 Mar 2012 14:14:43 -0400
From:	Mark Lord <kernel@...savvy.com>
To:	Shaohua Li <shli@...nel.org>
CC:	NeilBrown <neilb@...e.de>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-raid@...r.kernel.org" <linux-raid@...r.kernel.org>,
	"axboe@...nel.dk" <axboe@...nel.dk>
Subject: Re: [patch 0/7] Add TRIM support for raid linear/0/1/10

On 12-03-13 10:47 PM, Shaohua Li wrote:
> On 3/14/12 10:24 AM, NeilBrown wrote:
>>  On Mon, 12 Mar 2012 11:04:12 +0800 Shaohua Li <shli@...ionio.com> wrote:
..
>>  Also I wonder about handling failure in RAID1.
>>  I think the code will currently treat it like a write error, and
>>  maybe record a bad block (then fail the device is writing the badblock
>>  record fails). Is that what were want?
> Mainly to simplify the code. And I thought a normal discard should not fail.
> If it fails, something is wrong, marked it as badblock maybe not bad.

That sounds like a VERY bad idea.
Failures happen for lots of reasons,
but generic comm errors are not an excuse to suddenly mark sectors as bad.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/