Date: Wed, 21 May 2008 23:58:59 +0200 From: Matias Surdi <matiassurdi@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: Large filesystems help/ideas Message-ID: <g125v3$j8k$1@ger.gmane.org> In-Reply-To: <226ae0c60805210952i1eaea90avf04039aea2aa807e@mail.gmail.com> References: <226ae0c60805210952i1eaea90avf04039aea2aa807e@mail.gmail.com>
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David Robillard escribió: >> Hi, >> I'm implementing a backup solution at work.We've bought a x86 server >> with two hardware raid 5 with for a total storage capacity of about 7Tb. >> >> For the software we are using for backups, the ideal scenario would be >> to have just one "big disk" so that no space problems would appear. >> >> I've tried to install FreeBSD 7 with no success, as it seems... the >> sysinstall tool doesn't support such big slices. >> >> I've read about the "Large Data Storage on FreeBSD" but I'm still confused. >> >> I've also thought on using slices of 1Tb, and join all them using vinum. >> What do you think about this last option? >> >> Thanks a lot for your help. > > I would suggest to use different partitions for your OS and another > big one for your backup data. In fact, if you can use two smaller > disks in RAID 1 for the OS and leave your two RAID 5 for the backup > data alone, that would be even better. > > This way you can both a) install the OS without any problem and b) > prevent a *very* long fsck in case the machine crashes and your 7TB > partition is broken beyond the background fsck process. Once you have > the OS installed on the smaller partitions, you can then use gpt(8) to > create your 2TB+ filesystems. YMMV. > > We use a scenario quite identical as what you're trying to do. We use > a few ports to do so, like sysutils/rsnapshot and shells/rssh with > rsync and OpenSSH along with an encrypted backup volume and OpenPGP to > encrypt the tapes. For VMWare images, we use sysutils/rdiff-backup. It > works very well for 100+ mixed FreeBSD, RedHat, Ubuntu and AIX hosts. > If you need any help with the backup setup and all, just ask, I'll > send you the howto. > > Have fun, > > DA+ Thanks a lot for your invaluable help guys, now I've a better idea about this.
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