Nick Pavlica wrote:
>Andrea, > I have started testing with gstripe and have had good results to >this point. I'm still a little unclear about how to make my stripe >persistent after a reboot? My server consists of three drives. A >40GB drive that has the operating system and two 200Gb drives that I'm >using for the raid 0 volume. I was also curious about a couple of >other things. > > If you made the stripe using something like gstripe label -v -s somenumber data /dev/mumble1 /dev/mumble2 then it will be persistent subject to gstripe being loaded in the kernel - use gstripe load or build a kernel with "options GEOM_STRIPE " You see something like GEOM_STRIPE: Device data2 created (id=889964967). GEOM_STRIPE: Disk da0 attached to data2. GEOM_LABEL: Label for provider da1 is ufs/data. GEOM_STRIPE: Disk da2 attached to data2. GEOM_STRIPE: Device data2 activated. In the boot messages (device names will vary - I'm using two 300GB USB drives) >- There is a .snap directory on the volume. Is this used by gstripe? > > Nope that's a ufs2 thing >- I used newfs -O 2 to create a UFS2 file system on the volume. Is >this treated like any other UFS2 volume that can utilize fsck, etc? > > Yes - although you might want to specify a block size as the defaults tend to assume lots of small files which is not always the case for very large stripe sets. >- How resiliant is this volume if the system were to crash? > > The same as any other volume except that you have twice the chance of a hard drive failure which would be fatal to the volume. >--Thanks! >Nick > > > >On Tue, 15 Mar 2005 23:48:39 +0100, Andrea Venturoli <[EMAIL PROTECTED]> wrote: > > >>Nick Pavlica wrote: >> >> >>>All, >>> I would like to set up a raid 0 volume on my 5.3 server using two >>>identical SATA drives. After reading through a number of documents >>>I noticed that there are two related utilities to do this, Vinum and >>>Gvinum. Which utility should be used? It's my understanding that >>>Gvinum is the most current and should be used on 5.3+? Does the >>>hadbook refer to Vinum, Gvinum or both? >>> >>> >>I'd reccomend you none of them; look here for detailed reasons: >>http://people.freebsd.org/~rse/mirror/. >>In brief, I've experienced severe panics with vinum after an upgrade >>from 5.2.1 to 5.3 and gvinum is marked as alpha software and poorly >>documented. >>I'm quite happy with gmirror now, which the tutorial above describes. >>You would use gstripe instead. >> >> bye >> av. >> >> >> >_______________________________________________ >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]"
