linux-kernel - Re: limits on raid

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, 16 Jun 2007 18:47:35 -0700 (PDT)
From:	dean gaudet <dean@...tic.org>
To:	Wakko Warner <wakko@...mx.eu.org>
cc:	Neil Brown <neilb@...e.de>, david@...g.hm,
	linux-kernel@...r.kernel.org, linux-raid@...r.kernel.org
Subject: Re: limits on raid

On Sat, 16 Jun 2007, Wakko Warner wrote:

> When I've had an unclean shutdown on one of my systems (10x 50gb raid5) it's
> always slowed the system down when booting up.  Quite significantly I must
> say.  I wait until I can login and change the rebuild max speed to slow it
> down while I'm using it.   But that is another thing.

i use an external write-intent bitmap on a raid1 to avoid this... you 
could use internal bitmap but that slows down i/o too much for my tastes.  
i also use an external xfs journal for the same reason.  2 disk raid1 for 
root/journal/bitmap, N disk raid5 for bulk storage.  no spindles in 
common.

-dean
-
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/