From: "Aram Hăvărneanu" <aram.h@mgk.ro>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] venti and "contrib": RFC
Date: Thu, 5 Jan 2012 21:13:08 +0200 [thread overview]
Message-ID: <CAEAzY3-7w24ZJm7J08MGv98x7xjzZffFoNJvoeMSNM1FqtrEVw@mail.gmail.com> (raw)
In-Reply-To: <b063397a2a7e3544a27211ec8af5dbd6@chula.quanstro.net>
>> venti doesn't have a "scrub" command, does it? zfs scrub was
>> instrumental in warning me that I needed new disks.
>
> they're using coraid storage. all this is taken care of for them
> by the SR appliance.
Out of curiosity, how? ZFS blocks are checksummed. ZFS scrub reads
not physical blocks on disks, but logical ZFS blocks and validates
their checksum. How can the Coraid appliance determine if the data it
reads is valid or not since it works below the file system layer and
only understands physical blocks?
--
Aram Hăvărneanu
next prev parent reply other threads:[~2012-01-05 19:13 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-05 12:48 tlaronde
2012-01-05 12:59 ` erik quanstrom
2012-01-05 13:20 ` tlaronde
2012-01-05 13:27 ` erik quanstrom
2012-01-05 13:40 ` tlaronde
2012-01-05 14:14 ` erik quanstrom
2012-01-05 15:10 ` tlaronde
2012-01-05 13:28 ` tlaronde
2012-01-05 14:15 ` erik quanstrom
2012-01-05 13:48 ` David du Colombier
2012-01-05 15:15 ` tlaronde
2012-01-05 15:44 ` Russ Cox
2012-01-05 16:39 ` tlaronde
2012-01-05 17:03 ` David du Colombier
2012-01-05 17:36 ` ron minnich
2012-01-05 18:17 ` tlaronde
2012-01-05 17:51 ` Bakul Shah
2012-01-05 18:01 ` erik quanstrom
2012-01-05 18:25 ` Bakul Shah
2012-01-05 18:43 ` erik quanstrom
2012-01-05 19:56 ` Bakul Shah
2012-01-05 23:08 ` Aram Hăvărneanu
[not found] ` <CADSkJJXMBGnjtXbL5w+WMuxVbnW_+D6hQXYMN04wzYu+yXaCzA@mail.gmail.c>
2012-01-05 18:07 ` John Floren
2012-01-05 18:19 ` tlaronde
2012-01-05 18:48 ` Bakul Shah
2012-01-05 18:50 ` erik quanstrom
2012-01-05 19:13 ` Aram Hăvărneanu [this message]
[not found] ` <CAEAzY3-7w24ZJm7J08MGv98x7xjzZffFoNJvoeMSNM1FqtrEVw@mail.gmail.c>
2012-01-05 19:17 ` erik quanstrom
2012-01-05 19:57 ` Bakul Shah
2012-01-05 20:03 ` erik quanstrom
2012-01-08 1:29 ` Bakul Shah
2012-01-05 18:53 ` John Floren
2012-01-05 19:40 ` ron minnich
2012-01-05 21:12 ` Steve Simon
2012-01-05 21:24 ` Yaroslav
[not found] ` <CAG3N4d8Jdazahj8EeECDAVpU2DBZqD3XR9FJk_6znCV1QL=Q-Q@mail.gmail.c>
2012-01-05 21:31 ` erik quanstrom
2012-01-05 19:45 ` erik quanstrom
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=CAEAzY3-7w24ZJm7J08MGv98x7xjzZffFoNJvoeMSNM1FqtrEVw@mail.gmail.com \
--to=aram.h@mgk.ro \
--cc=9fans@9fans.net \
/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).