[zfs-discuss] raidz2 + spare or raidz3 and no spare for nine 1.5 TB SATA disks?

2010-07-27 Thread Jack Kielsmeier
The only other zfs pool in my system is a mirrored rpool (2 500 gb disks). This is for my own personal use, so it's not like the data is mission critical in some sort of production environment. The advantage I can see with going with raidz2 + spare over raidz3 and no spare is I would spend much

Re: [zfs-discuss] raidz2 + spare or raidz3 and no spare for nine 1.5 TB SATA disks?

2010-07-28 Thread Richard Elling
On Jul 27, 2010, at 10:37 PM, Jack Kielsmeier wrote: > The only other zfs pool in my system is a mirrored rpool (2 500 gb disks). > This is for my own personal use, so it's not like the data is mission > critical in some sort of production environment. > > The advantage I can see with going wit

Re: [zfs-discuss] raidz2 + spare or raidz3 and no spare for nine 1.5 TB SATA disks?

2010-07-28 Thread Roy Sigurd Karlsbakk
> The performance will be similar, but in the non-degraded case, the > raidz3 > will perform better for small, random reads. Why is this? The two will have the same amount of data drives Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blo

Re: [zfs-discuss] raidz2 + spare or raidz3 and no spare for nine 1.5 TB SATA disks?

2010-07-28 Thread Richard Elling
On Jul 28, 2010, at 8:34 AM, Roy Sigurd Karlsbakk wrote: >> The performance will be similar, but in the non-degraded case, the >> raidz3 >> will perform better for small, random reads. > > Why is this? The two will have the same amount of data drives The simple small, random read model for h

Re: [zfs-discuss] raidz2 + spare or raidz3 and no spare for nine 1.5 TB SATA disks?

2010-07-28 Thread Jack Kielsmeier
Thanks, Looks like I'll be using raidz3. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss