From: Roberto Spadim <roberto@spadim.com.br>
To: Steven Haigh <netwiz@crc.id.au>
Cc: linux-raid@vger.kernel.org
Subject: Re: debian software raid1
Date: Tue, 19 Apr 2011 19:01:08 -0300 [thread overview]
Message-ID: <BANLkTin8MgBDixExj+qygshM_oMjTS1emg@mail.gmail.com> (raw)
In-Reply-To: <4DADFFC5.3090009@crc.id.au>
hum, some doubts....
what´s better (faster / secure)?
swap over one disk (no raid)
swap over one md raid1
swap over one md raid0
swap over one md raid10
swap over one md raid5
swap over one md raid6
2011/4/19 Steven Haigh <netwiz@crc.id.au>:
> On 20/04/2011 7:10 AM, Gordon Henderson wrote:
>>
>> I'm actually of the opinion that to NOT put swap on RAID in an otherwise
>> RAIDed system is just plain silly. Do it. You know it makes sense!
>
> I think the preferred method at the moment (and at least for 2010/2011) is
> to have a smallish RAID1 partition for /boot then create a second RAID array
> for everything else and use LVM on top of that.
>
> That allows you to have the host on the same RAID1 and use the flexibility
> to use LVM for all your other requirements.
>
> I personally run a Xen virtualisation server - it has the following:
> /dev/md0 - /boot - 512Mb - RAID1
> /dev/md1 - VG 'RAID1' - rest of disk - RAID1
> /dev/md2 - VG 'RAID5' - 3 x 1Tb whole disks - RAID5
>
> Then the majority of the 7 VMs on that machine live on the RAID5 VG (with
> one special case that is on the RAID1 VG) and it runs very happily.
>
> The swap and root of Dom0 is on the RAID1 VG. This seems to be the best way
> I've found to have the most flexibility and not have to change things as
> time progresses.
>
> --
> Steven Haigh
>
> Email: netwiz@crc.id.au
> Web: http://www.crc.id.au
> Phone: (03) 9001 6090 - 0412 935 897
> Fax: (03) 8338 0299
>
> There are no great men, only great challenges that ordinary men are forced
> by circumstances to meet. -- Admiral William Halsey
> --
> To unsubscribe from this list: send the line "unsubscribe linux-raid" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
--
Roberto Spadim
Spadim Technology / SPAEmpresarial
--
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2011-04-19 22:01 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-19 12:12 debian software raid1 b2
2011-04-19 12:25 ` Mathias Burén
2011-04-19 16:03 ` Iordan Iordanov
2011-04-19 21:10 ` Gordon Henderson
2011-04-19 21:33 ` Steven Haigh
2011-04-19 22:01 ` Roberto Spadim [this message]
2011-04-19 22:05 ` Mathias Burén
2011-04-19 22:51 ` NeilBrown
2011-04-20 0:33 ` Joe Landman
2011-04-20 1:12 ` NeilBrown
2011-04-20 14:59 ` Iordan Iordanov
2011-04-20 14:51 ` Iordan Iordanov
2011-04-21 6:15 ` Luca Berra
2011-04-21 14:50 ` Iordan Iordanov
2011-04-22 5:59 ` Luca Berra
2011-04-22 19:19 ` Iordan Iordanov
2011-04-22 19:28 ` Mikael Abrahamsson
2011-04-23 0:07 ` Iordan Iordanov
2011-04-20 10:28 ` Asdo
2011-04-20 12:40 ` NeilBrown
2011-04-23 8:33 ` Jan Ceuleers
2011-04-22 19:21 ` Iordan Iordanov
2011-04-22 22:12 ` NeilBrown
2011-04-23 0:05 ` Iordan Iordanov
2011-04-23 12:54 ` David Brown
2011-04-23 14:23 ` Keld Jørn Simonsen
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=BANLkTin8MgBDixExj+qygshM_oMjTS1emg@mail.gmail.com \
--to=roberto@spadim.com.br \
--cc=linux-raid@vger.kernel.org \
--cc=netwiz@crc.id.au \
/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).