Re: [zfs-discuss] determining raidz pool configuration

2006-10-24 Thread Roch Bourbonnais


I've discussed this with some guys I know, and we decided that your  
admin must have given you an incorrect description.
BTW, that config falls outside of best practice; The current thinking  
is to use raid-z group of not much more than 10 disks.

You may stripe multiple such groups into a pool though.

Le 24 oct. 06 à 21:12, Matt Ingenthron a écrit :


Hi all,

Sorry for the newbie question, but I've looked at the docs and  
haven't been able to find an answer for this.


I'm working with a system where the pool has already been  
configured and want to determine what the configuration is.  I had  
thought that'd be with zpool status -v , but it doesn't  
seem to agree with the configuration that was described to me.  Is  
there another way of getting the zpool config?  This is with nevada  
build 47, so I can't use the new zpool history.


This is what the system is showing me (and looks like a single  
raidz1 with 47 devices).  Either that's correct and the config  
described to me by the admin who set it up is incorrect, or there  
must be another way to get the pool configuration:


# zpool status -v
 pool: maxPool
state: ONLINE
scrub: none requested
config:

   NAMESTATE READ WRITE CKSUM
   maxPool ONLINE   0 0 0
 raidz1ONLINE   0 0 0
   c0t0d0  ONLINE   0 0 0
   c0t1d0  ONLINE   0 0 0
   c0t2d0  ONLINE   0 0 0
   c0t3d0  ONLINE   0 0 0
   c0t4d0  ONLINE   0 0 0
   c0t5d0  ONLINE   0 0 0
   c0t6d0  ONLINE   0 0 0
   c0t7d0  ONLINE   0 0 0
   c1t0d0  ONLINE   0 0 0
   c1t1d0  ONLINE   0 0 0
   c1t2d0  ONLINE   0 0 0
   c1t3d0  ONLINE   0 0 0
   c1t4d0  ONLINE   0 0 0
   c1t5d0  ONLINE   0 0 0
   c1t6d0  ONLINE   0 0 0
   c1t7d0  ONLINE   0 0 0
   c4t0d0  ONLINE   0 0 0
   c4t1d0  ONLINE   0 0 0
   c4t2d0  ONLINE   0 0 0
   c4t3d0  ONLINE   0 0 0
   c4t4d0  ONLINE   0 0 0
   c4t5d0  ONLINE   0 0 0
   c4t6d0  ONLINE   0 0 0
   c4t7d0  ONLINE   0 0 0
   c5t1d0  ONLINE   0 0 0
   c5t2d0  ONLINE   0 0 0
   c5t3d0  ONLINE   0 0 0
   c5t5d0  ONLINE   0 0 0
   c5t6d0  ONLINE   0 0 0
   c5t7d0  ONLINE   0 0 0
   c6t0d0  ONLINE   0 0 0
   c6t1d0  ONLINE   0 0 0
   c6t2d0  ONLINE   0 0 0
   c6t3d0  ONLINE   0 0 0
   c6t4d0  ONLINE   0 0 0
   c6t5d0  ONLINE   0 0 0
   c6t6d0  ONLINE   0 0 0
   c6t7d0  ONLINE   0 0 0
   c7t0d0  ONLINE   0 0 0
   c7t1d0  ONLINE   0 0 0
   c7t2d0  ONLINE   0 0 0
   c7t3d0  ONLINE   0 0 0
   c7t4d0  ONLINE   0 0 0
   c7t5d0  ONLINE   0 0 0
   c7t6d0  ONLINE   0 0 0
   c7t7d0  ONLINE   0 0 0

errors: No known data errors


Thanks in advance,

- Matt

--
Matt Ingenthron - Web Infrastructure Solutions Architect
Sun Microsystems, Inc. - Systems Practice, Client Solutions
http://blogs.sun.com/mingenthron/
email: [EMAIL PROTECTED] Phone: 310-242-6439

___
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss


___
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss


Re: [zfs-discuss] determining raidz pool configuration

2006-10-24 Thread Eric Schrock
Matt -

The 'zpool status -v' output is guaranteed to be exactly the same as
what ZFS sees.

The only exception to this is if you run the command as a non-root user,
and the device paths have changed, then the path names may be incorrect.
Running it once as root will correctly update the paths.

You can also try running 'zdb -C', which will dump the cached nvlist
configuration of the pool, but it is not guaranteed to be correct,
unlike the 'zpool status -v' output.

If you think there is a bug in zpool(1m), then you can also run 'mdb -k'
and run '::spa -v' to show all pools and their configurations.

Hope that helps,

- Eric

On Tue, Oct 24, 2006 at 12:12:10PM -0700, Matt Ingenthron wrote:
> Hi all,
> 
> Sorry for the newbie question, but I've looked at the docs and haven't 
> been able to find an answer for this.
> 
> I'm working with a system where the pool has already been configured and 
> want to determine what the configuration is.  I had thought that'd be 
> with zpool status -v , but it doesn't seem to agree with the 
> configuration that was described to me.  Is there another way of getting 
> the zpool config?  This is with nevada build 47, so I can't use the new 
> zpool history.
> 
> This is what the system is showing me (and looks like a single raidz1 
> with 47 devices).  Either that's correct and the config described to me 
> by the admin who set it up is incorrect, or there must be another way to 
> get the pool configuration:
> 
> # zpool status -v
>  pool: maxPool
> state: ONLINE
> scrub: none requested
> config:
> 
>NAMESTATE READ WRITE CKSUM
>maxPool ONLINE   0 0 0
>  raidz1ONLINE   0 0 0
>c0t0d0  ONLINE   0 0 0
>c0t1d0  ONLINE   0 0 0
>c0t2d0  ONLINE   0 0 0
>c0t3d0  ONLINE   0 0 0
>c0t4d0  ONLINE   0 0 0
>c0t5d0  ONLINE   0 0 0
>c0t6d0  ONLINE   0 0 0
>c0t7d0  ONLINE   0 0 0
>c1t0d0  ONLINE   0 0 0
>c1t1d0  ONLINE   0 0 0
>c1t2d0  ONLINE   0 0 0
>c1t3d0  ONLINE   0 0 0
>c1t4d0  ONLINE   0 0 0
>c1t5d0  ONLINE   0 0 0
>c1t6d0  ONLINE   0 0 0
>c1t7d0  ONLINE   0 0 0
>c4t0d0  ONLINE   0 0 0
>c4t1d0  ONLINE   0 0 0
>c4t2d0  ONLINE   0 0 0
>c4t3d0  ONLINE   0 0 0
>c4t4d0  ONLINE   0 0 0
>c4t5d0  ONLINE   0 0 0
>c4t6d0  ONLINE   0 0 0
>c4t7d0  ONLINE   0 0 0
>c5t1d0  ONLINE   0 0 0
>c5t2d0  ONLINE   0 0 0
>c5t3d0  ONLINE   0 0 0
>c5t5d0  ONLINE   0 0 0
>c5t6d0  ONLINE   0 0 0
>c5t7d0  ONLINE   0 0 0
>c6t0d0  ONLINE   0 0 0
>c6t1d0  ONLINE   0 0 0
>c6t2d0  ONLINE   0 0 0
>c6t3d0  ONLINE   0 0 0
>c6t4d0  ONLINE   0 0 0
>c6t5d0  ONLINE   0 0 0
>c6t6d0  ONLINE   0 0 0
>c6t7d0  ONLINE   0 0 0
>c7t0d0  ONLINE   0 0 0
>c7t1d0  ONLINE   0 0 0
>c7t2d0  ONLINE   0 0 0
>c7t3d0  ONLINE   0 0 0
>c7t4d0  ONLINE   0 0 0
>c7t5d0  ONLINE   0 0 0
>c7t6d0  ONLINE   0 0 0
>c7t7d0  ONLINE   0 0 0
> 
> errors: No known data errors
> 
> 
> Thanks in advance,
> 
> - Matt
> 
> -- 
> Matt Ingenthron - Web Infrastructure Solutions Architect
> Sun Microsystems, Inc. - Systems Practice, Client Solutions
> http://blogs.sun.com/mingenthron/
> email: [EMAIL PROTECTED] Phone: 310-242-6439
> 
> ___
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

--
Eric Schrock, Solaris Kernel Development   http://blogs.sun.com/eschrock
___
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss