Re: [zfs-discuss] Using consumer drives in a zraid2

2009-08-26 Thread Adam Sherman
But the real question is whether the enterprise drives would have avoided your problem. A. -- Adam Sherman +1.613.797.6819 On 2009-08-26, at 11:38, Troels Nørgaard Nielsen t...@t86.dk wrote: Hi Tim Cook. If I was building my own system again, I would prefer not to go with consumer

Re: [zfs-discuss] ZFS configuration input needed.

2009-08-21 Thread Adam Sherman
do better with copies=3 ;-) Maybe this is noted somewhere, but I did not realize that copies invoked logic that distributed the copies among vdevs? Can you please provide some pointers about this? Thanks, A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113

Re: [zfs-discuss] Can ZFS dynamically grow pool sizes? (re: Windows Home Server)

2009-08-12 Thread Adam Sherman
I believe you will get .5 TB in this example, no? A. -- Adam Sherman +1.613.797.6819 On 2009-08-12, at 16:44, Erik Trimble erik.trim...@sun.com wrote: Eric D. Mudama wrote: On Wed, Aug 12 at 12:11, Erik Trimble wrote: Anyways, if I have a bunch of different size disks (1.5 TB, 1.0 TB

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-10 Thread Adam Sherman
be an issue. I'd like to have the CF cards as read-only as possible though. By sharable, what do you mean exactly? Thanks a lot for the advice, A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-07 Thread Adam Sherman
for everyone's input! A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-06 Thread Adam Sherman
don't think you can move the bulk - /usr. See: http://docs.sun.com/source/820-4893-13/compact_flash.html#50589713_78631 Good link. So I suppose I can move /var out and that would deal with most (all?) of the writes. Good plan! A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-06 Thread Adam Sherman
that takes only 1 CF card? I just ordered a pair of the Syba units, cheap enough too test out anyway. Now to find some reasonably priced 8GB CompactFlash cards… Thanks, A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-06 Thread Adam Sherman
Excellent advice, thans Ian. A. -- Adam Sherman +1.613.797.6819 On 2009-08-06, at 15:16, Ian Collins i...@ianshome.com wrote: Adam Sherman wrote: On 4-Aug-09, at 16:54 , Ian Collins wrote: Use a CompactFlash card (the board has a slot) for root, 8 drives in raidz2 tank, backup the root

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-05 Thread Adam Sherman
there. You are suggesting booting from a mirrored pair of CF cards? I'll have to wait until I see the system to know if I have room, but that's a good idea. I've got lots of unused SATA ports. Thanks, A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-05 Thread Adam Sherman
used them on a few machines, opensolaris and freebsd. I'm a big fan of compact flash. What about USB sticks? Is there a difference in practice? Thanks for the advice, A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-05 Thread Adam Sherman
. Of course, my system only has a single x16 PCI-E slot in it. :) A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Pool Layout Advice Needed

2009-08-04 Thread Adam Sherman
in order to have root on the raidz2 tank 5.5. Figure out how to have the kernel and bootloader on the CF card in order to have 4 pairs of mirrored drives in a tank, supposing #2 doesn't work Comments, suggestions, questions, criticism? Thanks, A. -- Adam Sherman CTO, Versature Corp. Tel

Re: [zfs-discuss] Pool Layout Advice Needed

2009-08-04 Thread Adam Sherman
CDN for the 500GB model, would have put this system way over budget. A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] I Still Have My Data

2009-07-31 Thread Adam Sherman
My test setup of 8 x 2G virtual disks under Virtual Box on top of Mac OS X is running nicely! I haven't lost a *single* byte of data. ;) A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Another user looses his pool (10TB) in this case and 40

2009-07-31 Thread Adam Sherman
, Joyent Inc. I believe I have about a TB of data on at least one of Jason's pools and it seems to still be around. ;) A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Another user looses his pool (10TB) in this case and 40 days work

2009-07-27 Thread Adam Sherman
they all behave similarly dangerously, but actual data would be useful. Also, I think it may have already been posted, but I haven't found the option to disable VirtualBox' disk cache. Anyone have the incantation handy? Thanks, A -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772

Re: [zfs-discuss] Another user looses his pool (10TB) in this case and 40 days work

2009-07-27 Thread Adam Sherman
/flush command. Caching is still enabled (it wasn't the problem). Thanks! As Russell points on in the last post to that thread, it doesn't seem possible to do this with virtual SATA disks? Odd. A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113

Re: [zfs-discuss] SSD's and ZFS...

2009-07-23 Thread Adam Sherman
In the context of a low-volume file server, for a few users, is the low-end Intel SSD sufficient? A. -- Adam Sherman +1.613.797.6819 On 2009-07-23, at 14:09, Greg Mason gma...@msu.edu wrote: I think it is a great idea, assuming the SSD has good write performance. This one claims up

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-21 Thread Adam Sherman
a mess of them into a SAS JBOD with an expander? Thanks for everyone's great feedback, this thread has been highly educating. A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-17 Thread Adam Sherman
than: http://www.provantage.com/lsi-logic-lsi00124~7LSIG03W.htm Just newer? A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs

[zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-16 Thread Adam Sherman
for pointing to relevant documentation. A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-16 Thread Adam Sherman
documentation. The manual for the Supermicro cases [1, 2] does a pretty good job IMO explaining the different options. See page D-14 and on in the 826 manual, or page D-11 and on in the 846 manual. I'll read though that, thanks for the detailed pointers. A. -- Adam Sherman CTO, Versature Corp. Tel

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-16 Thread Adam Sherman
Another thought in the same vein, I notice many of these systems support SES-2 for management. Does this do anything useful under Solaris? Sorry for these questions, I seem to be having a tough time locating relevant information on the web. Thanks, A. -- Adam Sherman CTO, Versature

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-16 Thread Adam Sherman
management uses of SES? I'm really just exploring. Where can I read about how FMA is going to help with failures in my setup? Thanks, A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-16 Thread Adam Sherman
have a look at to get =12 SATA disks externally attached to my systems? Thanks! A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2009-07-16 Thread Adam Sherman
X4100s: http://sunsolve.sun.com/handbook_private/validateUser.do?target=Devices/SCSI/SCSI_PCIX_SAS_SATA_HBA $280 or so, looks like. Might be overkill for me though. A. -- Adam Sherman CTO, Versature Corp. Tel: +1.877.498.3772 x113 ___ zfs-discuss