From: Ric Wheeler <ric@emc.com>
To: Alan <alan@lxorguk.ukuu.org.uk>
Cc: Theodore Tso <tytso@mit.edu>, Neil Brown <neilb@suse.de>,
"H. Peter Anvin" <hpa@zytor.com>,
Linux-ide <linux-ide@vger.kernel.org>,
linux-scsi <linux-scsi@vger.kernel.org>,
linux-raid@vger.kernel.org, Tejun Heo <htejun@gmail.com>,
James Bottomley <James.Bottomley@SteelEye.com>,
Mark Lord <mlord@pobox.com>, Jens Axboe <jens.axboe@oracle.com>,
"Clark, Nathan" <Clark_Nathan@emc.com>,
"Singh, Arvinder" <Singh_Arvinder@emc.com>,
"De Smet, Jochen" <DeSmet_Jochen@emc.com>,
"Farmer, Matt" <Farmer_Matt@emc.com>,
linux-fsdevel@vger.kernel.org, "Mizar,
Sunita" <Mizar_Sunita@emc.com>
Subject: Re: end to end error recovery musings
Date: Mon, 26 Feb 2007 11:42:07 -0500 [thread overview]
Message-ID: <45E30DDF.9090902@emc.com> (raw)
In-Reply-To: <20070226170118.54371f1e@lxorguk.ukuu.org.uk>
Alan wrote:
>> I think that this is mostly true, but we also need to balance this against the
>> need for higher levels to get a timely response. In a really large IO, a naive
>> retry of a very large write could lead to a non-responsive system for a very
>> large time...
>
> And losing the I/O could result in a system that is non responsive until
> the tape restore completes two days later....
Which brings us back to a recent discussion at the file system workshop on being
more repair oriented in file system design so we can survive situations like
this a bit more reliably ;-)
ric
next prev parent reply other threads:[~2007-02-26 16:42 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-23 14:15 end to end error recovery musings Ric Wheeler
2007-02-24 0:03 ` H. Peter Anvin
2007-02-24 0:37 ` Andreas Dilger
2007-02-24 2:05 ` H. Peter Anvin
2007-02-24 2:32 ` Theodore Tso
2007-02-24 18:39 ` Chris Wedgwood
2007-02-26 5:33 ` Neil Brown
2007-02-26 13:25 ` Theodore Tso
2007-02-26 15:15 ` Alan
2007-02-26 15:18 ` Ric Wheeler
2007-02-26 17:01 ` Alan
2007-02-26 16:42 ` Ric Wheeler [this message]
2007-02-26 15:17 ` James Bottomley
2007-02-26 18:59 ` H. Peter Anvin
2007-02-26 22:46 ` Jeff Garzik
2007-02-26 22:53 ` Ric Wheeler
2007-02-27 1:19 ` Alan
2007-02-26 6:01 ` Douglas Gilbert
-- strict thread matches above, loose matches on Subject: below --
2007-02-27 1:10 Moore, Eric
2007-02-27 16:50 ` Martin K. Petersen
2007-02-27 18:51 ` Ric Wheeler
2007-02-27 19:02 ` Alan
2007-02-27 18:39 ` Andreas Dilger
2007-02-27 19:07 ` Martin K. Petersen
2007-02-27 23:39 ` Alan
2007-02-27 22:51 ` Martin K. Petersen
2007-02-28 13:46 ` Douglas Gilbert
2007-02-28 17:16 ` Martin K. Petersen
2007-02-28 17:30 ` James Bottomley
2007-02-28 17:42 ` Martin K. Petersen
2007-02-28 17:52 ` James Bottomley
2007-03-01 1:28 ` H. Peter Anvin
2007-03-01 14:25 ` James Bottomley
2007-03-01 17:19 ` H. Peter Anvin
2007-02-28 15:19 ` Moore, Eric
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=45E30DDF.9090902@emc.com \
--to=ric@emc.com \
--cc=Clark_Nathan@emc.com \
--cc=DeSmet_Jochen@emc.com \
--cc=Farmer_Matt@emc.com \
--cc=James.Bottomley@SteelEye.com \
--cc=Mizar_Sunita@emc.com \
--cc=Singh_Arvinder@emc.com \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=hpa@zytor.com \
--cc=htejun@gmail.com \
--cc=jens.axboe@oracle.com \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-raid@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=mlord@pobox.com \
--cc=neilb@suse.de \
--cc=tytso@mit.edu \
/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).