Re: raid tool
On Monday 03 November 2008 09:19:45 am Brent Clark wrote: New to BSD, Using FreeBSD 7. I need to build a test fileserver, but I want it to use Raid 5. Googling says I must use vinum. You have a few options, but strictly speaking the best-supported way to do RAID5 in FreeBSD is to use gvinum (vinum's GEOM-ified successor). It is part of the base system and not in ports. There is also an unofficial geom_raid5 module, but last I was aware it still had some issues (and you'd have to grab the source and built it manually). Looking in the ports I see its not available. The links / sites google suggests were moderately old, so my question is, whats the tool for raid? If you replace raid5 with redundancy and n-1 capacity then you could also look at geom_raid3, which is much simpler to configure than gvinum and also part of the base system. Additionally, FreeBSD 7.x has experimental support for ZFS (again in the base system and not in ports). That includes raidz, which is designed to have all of the good features of raid5 and none of the bad. I use it and it works well but you will need to do some reading and some manual tuning of your system. You'll also want a system with plenty of RAM and preferrably running FreeBSD-amd64 (vs FreeBSD-i386). If you want to look in to RAID1 or RAID1+0 see geom_mirror and geom_stripe, also in the base system. JN ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: raid tool
John Nielsen wrote: If you replace raid5 with redundancy and n-1 capacity then you could also look at geom_raid3, which is much simpler to configure than gvinum and also part of the base system. Additionally, FreeBSD 7.x has experimental support for ZFS (again in the base system and not in ports). That includes raidz, which is designed to have all of the good features of raid5 and none of the bad. I use it and it works well but you will need to do some reading and some manual tuning of your system. You'll also want a system with plenty of RAM and preferrably running FreeBSD-amd64 (vs FreeBSD-i386). If you want to look in to RAID1 or RAID1+0 see geom_mirror and geom_stripe, also in the base system. JN Hiya Thanks for this. I was looking at ZFS and I am impress with what I read, unfortunately no AMD 64 and I only have 1Gig Ram. Thanks again. Regards Brent Clark ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: raid tool
On Mon, Nov 03, 2008 at 05:19:29PM +0200, Brent Clark wrote: John Nielsen wrote: If you replace raid5 with redundancy and n-1 capacity then you could also look at geom_raid3, which is much simpler to configure than gvinum and also part of the base system. Additionally, FreeBSD 7.x has experimental support for ZFS (again in the base system and not in ports). That includes raidz, which is designed to have all of the good features of raid5 and none of the bad. I use it and it works well but you will need to do some reading and some manual tuning of your system. You'll also want a system with plenty of RAM and preferrably running FreeBSD-amd64 (vs FreeBSD-i386). If you want to look in to RAID1 or RAID1+0 see geom_mirror and geom_stripe, also in the base system. JN Hiya Thanks for this. I was looking at ZFS and I am impress with what I read, unfortunately no AMD 64 and I only have 1Gig Ram. You can use ZFS on i386 and with 1GB RAM. -- | Jeremy Chadwickjdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: raid tool
Thanks for this. I was looking at ZFS and I am impress with what I read, unfortunately no AMD 64 and I only have 1Gig Ram. I can tell you I'm using ZFS on an i386 desktop with 1 GB RAM and it is working flawlessly after some tuning, more specifically: # For ZFS vm.kmem_size=521M vm.kmem_size_max=512M vfs.zfs.arc_min=16M vfs.zfs.arc_max=64M vfs.zfs.vdev.cache.size=5M vfs.zfs.debug=1 vfs.zfs.prefetch_disable=1 in /boot/loader.conf.local Today it finished the compilation openoffice.org-alllangs-3.0.0 successfully (after 1 day and 14:42:21). Before tuning the options I have, there were some problems and the machine used to hang after some 3 or 4 hours of compilation but from the moment I added the options on I didn't have a single crash of the machine. So maybe you could still give it a try...? (-; Michal Petrucha Thanks again. Regards Brent Clark -- (-K JohnNy alias Partial Derivative ∂ [home] http://johnny64.fixinko.sk/ [icq] 338328204 [abandoned] [jabber] [EMAIL PROTECTED] [skype] JohnNy64-konik [abandoned] pgpuT92bE44X9.pgp Description: PGP signature
Re: raid tool
New to BSD, Using FreeBSD 7. I need to build a test fileserver, but I want it to use Raid 5. Googling says I must use vinum. there is geom_raid5 available but not integrated with FreeBSD google,download,compile,use Looking in the ports I see its not available. The links / sites google suggests were moderately old, so my question is, whats the tool for raid? TIA Regards Brent Clark ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED] ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]
Re: raid tool
If you replace raid5 with redundancy and n-1 capacity then you could also look at geom_raid3, which is much simpler to configure than gvinum and slower with random reads. if he needs it for large files, then it's excellent. and also part of the base system. Additionally, FreeBSD 7.x has experimental support for ZFS (again in the base system and not in ports). That includes raidz, which is designed to have all of the good features of raid5 and none of the bad. it gives performance of raid3 rather than raid5. ___ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to [EMAIL PROTECTED]