Re: [zfs-discuss] how to set up solaris os and cache within one SSD

2011-11-11 Thread Jeff Savit
On 11/11/2011 01:02 AM, darkblue wrote: 2011/11/11 Jeff Savit <mailto:jeff.sa...@oracle.com>> On 11/10/2011 06:38 AM, Edward Ned Harvey wrote: From:zfs-discuss-boun...@opensolaris.org <mailto:zfs-discuss-boun...@opensolaris.org> [mailto:zfs-discuss- boun...@

Re: [zfs-discuss] how to set up solaris os and cache within one SSD

2011-11-10 Thread Jeff Savit
On 11/10/2011 06:38 AM, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Jeff Savit Also, not a good idea for performance to partition the disks as you suggest. Not totally true. By default, if you partition the

Re: [zfs-discuss] how to set up solaris os and cache within one SSD

2011-11-09 Thread Jeff Savit
guest virtual disks. All of this is in absence of the actual performance characteristics you expect, but that's a reasonable starting point. I hope that's useful... Jeff -- *Jeff Savit* | Principal Sales Consultant Phone: 602.824.6275 | Email: jeff.sa...@oracle.com | Blog: http://b

Re: [zfs-discuss] Each user has his own zfs filesystem??

2011-07-24 Thread Jeff Savit
rt/home'? Perhaps you only have directories underneath /export/home instead of new ZFS datasets. Jeff -- *Jeff Savit* | Principal Sales Consultant Phone: 602.824.6275 | Email: jeff.sa...@oracle.com | Blog: http://blogs.oracle.com/jsavit Oracle North America Commercial Hardware Operatin

Re: [zfs-discuss] ZFS Dedup question

2011-01-28 Thread Jeff Savit
On 01/28/11 02:38 PM, Igor P wrote: I created a zfs pool with dedup with the following settings: zpool create data c8t1d0 zfs create data/shared zfs set dedup=on data/shared The thing I was wondering about was it seems like ZFS only dedup at the file level and not the block. When I make multip

Re: [zfs-discuss] ZFS slows down over a couple of days

2011-01-12 Thread Jeff Savit
es down to 1/10th of the initial throughput, either read or write. Anybody having some tips up their sleeves, where I should start looking for the missing memory? Cheers, budy -- *Jeff Savit* | Principal Sales Consultant Phone: 602.824.6275 | Email: jeff.sa...@oracle.com | Blog: http://

Re: [zfs-discuss] Has anyone seen zpool corruption with VirtualBox shared folders?

2010-09-12 Thread Jeff Savit
pass grub boot screen to the initial redhat boot screen. - The Guest hangs and never boots. - zpool status -v reports corrupted files. The files are on the zpool containing the shared folders and the VirtualBox images Thoughts? -- Jeff Savit | Principal Sales Consultant Phone

Re: [zfs-discuss] benefits of zfs root over ufs root

2010-04-01 Thread Jeff Savit
y. No more fsck, ever! I hope that's helpful. regards, Jeff -- Jeff Savit | Principal Sales Consultant Email: jeff.sa...@oracle.com | Blog: http://blogs.sun.com/jsavit Oracle North America Commercial Hardware Infrastructure Software Pillar 2355

Re: [zfs-discuss] fat32 ntfs or zfs

2010-02-27 Thread Jeff Savit
h, so I'll skip that one. Dick - while you're working out your options, perhaps reconsider using compression. I haven't observed the default compression algorithm slowing things down: the CPU cost is modest and possibly that's compensated by fewer I/O operations. regards,

Re: [zfs-discuss] ZFS Flash Jumpstart and mini-root version

2010-01-29 Thread Jeff Savit
s bootenv installbe bename c1t0d0s0 -- Jeff Savit Principal Field Technologist Sun Microsystems, Inc. 2398 E Camelback Rd Email: jeff.sa...@sun.com Phoenix, AZ 85016http://blogs.sun.com/jsavit/ ___ zfs-discuss mailing list zfs-di

Re: [zfs-discuss] dedup question

2009-11-03 Thread Jeff Savit
Instead, all of the duplicates have been folded together. -cheers, CSB This should reference the prior (April 1, 1984) research by Donald Knuth at http://www.cs.utexas.edu/users/arvindn/misc/knuth_song_complexity.pdf :-) Jeff -- Jeff Savit Principal Field Technologist Sun Microsystems, In

Re: [zfs-discuss] Performance problems with Thumper and >7TB ZFS pool using RAIDZ2

2009-10-25 Thread Jeff Savit
dom IO... Hmm, they're giving up so much % capacity as is, they could just as well give up some more and get better performance. Great idea! -- Jeff Savit Principal Field Technologist Sun Microsystems, Inc.Phone: 732-537-3451 (x63451) 2398 E Camelback Rd Email: jeff.sa...