Software raid isn't optimal....never has been Hardware raid is the way to go if you need RAID.
-- Martin Hepworth Snr Systems Administrator Solid State Logic Tel: +44 (0)1865 842300 > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On > Behalf Of Sander Smeenk > Sent: 12 June 2008 09:42 > To: [email protected] > Subject: [exim] [OT] RAID (was: Re: Which hardware do you use for your > installation?) > > Quoting Nigel Metheringham ([EMAIL PROTECTED]): > > > I have to say I am getting less convinced by RAID 1 on systems. > > RAID at all for me, actually. I've seen it crumble down to a grinding > halt several times (using software raid, mdadm, that is). While it was > designed so that a disk could fail without the service being > interrupted, in my experience a disk failing will still make the system > unusable. Either because the kernel goes haywire trying to adress the > non-working device or mdadm making decisions causing the entire set to > go offline. > > Especially mdadm setups where you combine RAID-0 and RAID-1 sets to > achieve RAID-10 tend to break when there's problems. > > Still, recovery is easier as the set can rebuild or data can be > retrieved from just one disk from a set... > > Regards, > -Sndr. > -- > | If you don't pay your exorcist you can get repossessed. > | 1024D/08CEC94D - 34B3 3314 B146 E13C 70C8 9BDB D463 7E41 08CE C94D > > -- > ## List details at http://lists.exim.org/mailman/listinfo/exim-users > ## Exim details at http://www.exim.org/ > ## Please use the Wiki with this list - http://wiki.exim.org/ ********************************************************************** Confidentiality : This e-mail and any attachments are intended for the addressee only and may be confidential. If they come to you in error you must take no action based on them, nor must you copy or show them to anyone. Please advise the sender by replying to this e-mail immediately and then delete the original from your computer. Opinion : Any opinions expressed in this e-mail are entirely those of the author and unless specifically stated to the contrary, are not necessarily those of the author's employer. Security Warning : Internet e-mail is not necessarily a secure communications medium and can be subject to data corruption. We advise that you consider this fact when e-mailing us. Viruses : We have taken steps to ensure that this e-mail and any attachments are free from known viruses but in keeping with good computing practice, you should ensure that they are virus free. Red Lion 49 Ltd T/A Solid State Logic Registered as a limited company in England and Wales (Company No:5362730) Registered Office: 25 Spring Hill Road, Begbroke, Oxford OX5 1RU, United Kingdom ********************************************************************** -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
