Date: Tue, 16 Jul 2013 20:27:54 +0200 From: Johan Hendriks <joh.hendriks@gmail.com> To: Charles Swiger <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: Re: to gmirror or to ZFS Message-ID: <CAOaKuAU8nhaoq%2B6hCVkB%2Bb-ppiBvYPKANdWJRnYcmKaPdecwZA@mail.gmail.com> In-Reply-To: <6CE5718E-2646-4D8C-AF98-37384B8851C5@mac.com> References: <4DFBC539-3CCC-4B9B-AB62-7BB846F18530@gmail.com> <alpine.BSF.2.00.1307152211180.74094@wonkity.com> <976836C5-F790-4D55-A80C-5944E8BC2575@gmail.com> <51E51558.50302@ShaneWare.Biz> <51E52190.7020008@fjl.co.uk> <CAOaKuAVULVuZxtExp=mNi-J7kMNbsxbLJVsv8nKTA0-Ru6M3%2Bw@mail.gmail.com> <6CE5718E-2646-4D8C-AF98-37384B8851C5@mac.com>
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Op dinsdag 16 juli 2013 schreef Charles Swiger (cswiger@mac.com) het volgende: > Hi-- > > On Jul 16, 2013, at 10:33 AM, Johan Hendriks <joh.hendriks@gmail.com<javascript:;>> > wrote: > [ ... ] > > I would us a zfs for the os. > > I have a couple of servers that did not survive a power failure with > > gmirror. > > The problems i had was when the power failed one disk was in a rebuilding > > state and then when the background fsck started or was busy for some time > > it would crash the whole server. > > Well, "don't do that". :-) When the server reboots because of a powerfailure at night, then it boots. Then it starts to rebuild the mirror on its own, and later the fsck kicks in. Not much i can do about it. Maybe i should have done it without the automatic attachment for a new device. > > Seriously, bring up the box on one disk, force a foreground fsck if needed > to get the filesystem to known clean state, and then rebuild the mirror. > Mixing the mirror rebuild with something like an fsck will just thrash the > disks. > > [ ... ] > > Before people tell me to use an UPS, i used a UPS but the damn thing gave > > way itself. Then after it came back from the warranty repair it gave > way again. > > Grr. That's when you want find another UPS vendor. > > Is apc not the right choice? I think i got a monday morning model. Some times things fail! Regards, > -- > -Chuck > >
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