From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: Sleeping hard drives in an array? Date: Sat, 03 May 2008 12:19:26 +0400 Message-ID: <481C200E.60907@msgid.tls.msk.ru> References: <29a863790804300802i358ab6d9t2be907b47176bd5b@mail.gmail.com> <481B836E.6040208@tmr.com> <481B918E.4@panix.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: David Lethe Cc: berk walker , Bill Davidsen , Greg Cormier , linux-raid@vger.kernel.org List-Id: linux-raid.ids David Lethe wrote: [] > USB for root?? > Bad bad bad bad idea .. unless you get the industrial flash memory. The > typical max number of writes for consumer-grade USB flashdrives is > around 25,000 ... but the low end of the range is 10,000 writes. Why do you think root filesystem will be written that often? Here, / is mounted read-only.. And it changes only when you change some configs... So, root (and /usr) are ok for flash. Just don't put /dev on it (udev/whatever works), and don't put volatile filesystems like /var there too. /mjt