linux-btrfs.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Matthias Bodenbinder <matthias@bodenbinder.de>
To: linux-btrfs@vger.kernel.org
Subject: Re: Question: raid1 behaviour on failure
Date: Thu, 28 Apr 2016 07:12:34 +0200	[thread overview]
Message-ID: <nfs642$ua8$1@ger.gmane.org> (raw)
In-Reply-To: <571F9A92.8060602@googlemail.com>

Am 26.04.2016 um 18:42 schrieb Holger Hoffstätte:
> On 04/26/16 18:19, Henk Slager wrote:
>> It looks like a JMS567 + SATA port multipliers behaind it are used in
>> this drivebay. The command   lsusb -v  could show that. So your HW
>> setup is like JBOD, not RAID.
> 
> I hate to quote the "harmful" trope, but..
> 
> SATA Port Multipliers Considered Harmful
> https://www.usenix.org/system/files/fastpw13-paper7_0.pdf
> 
> aka: how to make any RAID setup useless in 1 easy step.

Interesting article but it has no date to it. Could be outdated or brand new.

Matthias




  reply	other threads:[~2016-04-28  5:15 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-18  5:06 Question: raid1 behaviour on failure Matthias Bodenbinder
2016-04-18  7:22 ` Qu Wenruo
2016-04-20  5:17   ` Matthias Bodenbinder
2016-04-20  7:25     ` Qu Wenruo
2016-04-21  5:22       ` Matthias Bodenbinder
2016-04-21  5:43         ` Qu Wenruo
2016-04-21  6:02           ` Liu Bo
2016-04-21  6:09             ` Qu Wenruo
2016-04-21 17:40           ` Matthias Bodenbinder
2016-04-22  6:02             ` Qu Wenruo
2016-04-23  7:07               ` Matthias Bodenbinder
2016-04-23  7:17                 ` Matthias Bodenbinder
2016-04-26  8:17                 ` Satoru Takeuchi
2016-04-26 15:16                 ` Henk Slager
2016-04-20 13:32     ` Anand Jain
2016-04-21  5:15       ` Matthias Bodenbinder
2016-04-21  7:19         ` Anand Jain
2016-04-21  6:23     ` Satoru Takeuchi
2016-04-21 11:09       ` Austin S. Hemmelgarn
2016-04-21 11:28       ` Henk Slager
2016-04-21 17:27         ` Matthias Bodenbinder
2016-04-26 16:19           ` Henk Slager
2016-04-26 16:42             ` Holger Hoffstätte
2016-04-28  5:12               ` Matthias Bodenbinder [this message]
2016-04-28  5:24                 ` Gareth Pye
2016-04-28  8:08                   ` Duncan
2016-04-28  5:09             ` Matthias Bodenbinder
2016-04-28 19:14               ` Henk Slager
     [not found]       ` <57188534.1070408@jp.fujitsu.com>
2016-04-21 11:58         ` Qu Wenruo
2016-04-22  2:21           ` Satoru Takeuchi
2016-04-22  5:32             ` Qu Wenruo
2016-04-22  6:17               ` Satoru Takeuchi

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='nfs642$ua8$1@ger.gmane.org' \
    --to=matthias@bodenbinder.de \
    --cc=linux-btrfs@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).