Re: [zfs-discuss] ZFS Tutorial at LISA09

2009-08-21 Thread Eric Sproul
Bob Friesenhahn wrote:
 An obvious item to cover is the new Flash Archive support as well as the
 changes to Live Upgrade due to zfs boot.  Also, the benefits and issues
 associated with adding SSDs to the mix.
 
 Based on the last zfs talk I attended at a LISA, system administrators
 are largely interested in system administration issues.

+1 to those items.  I'd also like to hear about how people are maintaining
offsite DR copies of critical data with ZFS.  Just send/recv, or something a
little more live?

Eric

-- 
Eric Sproul
Lead Site Reliability Engineer
OmniTI Computer Consulting, Inc.
Web Applications  Internet Architectures
http://omniti.com
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Re: [zfs-discuss] ZFS Tutorial at LISA09

2009-08-21 Thread Marcus
I won't be able to attend, but being subscribed to this list and the
storage list for a short while, the following topics would come to
mind:

- ZFS pool layout tips (not possible to grow RaidZ, proper planning,
when to not use RaidZ for high IOPS volumes etc.)
- how to best handle broken disks/controllers without ZFS hanging or
being unable to replace the disk
- how to do proper troubleshooting and performance testing (especially
trying to isolate if the issue is in ZFS, iSCSI, NFS, CIFS, etc).
- how to determine if an SSD for my ZIL or cache is going to improve
my throughput

That would be my personal wishlist. I hope the presentation will be
made public after the event. ;-)

Thanks,

Marcus

On Fri, Aug 21, 2009 at 4:10 PM, Eric Sproulespr...@omniti.com wrote:
 Bob Friesenhahn wrote:
 An obvious item to cover is the new Flash Archive support as well as the
 changes to Live Upgrade due to zfs boot.  Also, the benefits and issues
 associated with adding SSDs to the mix.

 Based on the last zfs talk I attended at a LISA, system administrators
 are largely interested in system administration issues.

 +1 to those items.  I'd also like to hear about how people are maintaining
 offsite DR copies of critical data with ZFS.  Just send/recv, or something a
 little more live?

 Eric

 --
 Eric Sproul
 Lead Site Reliability Engineer
 OmniTI Computer Consulting, Inc.
 Web Applications  Internet Architectures
 http://omniti.com
 ___
 zfs-discuss mailing list
 zfs-discuss@opensolaris.org
 http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

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Re: [zfs-discuss] ZFS Tutorial at LISA09

2009-08-21 Thread Tristan Ball



Marcus wrote:

- how to best handle broken disks/controllers without ZFS hanging or
being unable to replace the disk
  
A definite +1 here. I realise it's something that Sun probably consider 
fixed by the disk/controller drivers, however many of us are using 
opensolaris on non-sun hardware, and can't necessarily test in advance 
how the system is going to behave when things fail! So any techniques 
available to mitigate against any entire pool hanging because 1 device 
is doing something dumb would be very useful.


I guess that might move away from pure zfs in terms of tute content, 
but as a sysadmin, it's the whole system we care about!

That would be my personal wishlist. I hope the presentation will be
made public after the event. ;-)

  

+1 :-)
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