Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Tiernan OToole
Thanks all! I will check out FreeNAS and see what it can do... I will also check my RAID Card and see if it can work with JBOD... fingers crossed... The machine has a couple internal SATA ports (think there are 2, could be 4) so i was thinking of using those for boot disks and SSDs later... As a

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Sašo Kiselkov
On 02/26/2013 09:33 AM, Tiernan OToole wrote: As a follow up question: Data Deduplication: The machine, to start, will have about 5Gb RAM. I read somewhere that 20TB storage would require about 8GB RAM, depending on block size... The typical wisdom is that 1TB of dedup'ed data = 1GB of RAM.

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Tim Cook
On Mon, Feb 25, 2013 at 10:33 PM, Tiernan OToole lsmart...@gmail.comwrote: Thanks all! I will check out FreeNAS and see what it can do... I will also check my RAID Card and see if it can work with JBOD... fingers crossed... The machine has a couple internal SATA ports (think there are 2, could

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Tiernan OToole
Thanks again lads. I will take all that info into advice, and will join that new group also! Thanks again! --Tiernan On Tue, Feb 26, 2013 at 8:44 AM, Tim Cook t...@cook.ms wrote: On Mon, Feb 25, 2013 at 10:33 PM, Tiernan OToole lsmart...@gmail.comwrote: Thanks all! I will check out

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Robert Milkowski
Solaris 11.1 (free for non-prod use). From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Tiernan OToole Sent: 25 February 2013 14:58 To: zfs-discuss@opensolaris.org Subject: [zfs-discuss] ZFS Distro Advice Good morning all. My home

Re: [zfs-discuss] zfs sata mirror slower than single disk

2013-02-26 Thread hagai
for what is worth.. I had the same problem and found the answer here - http://forums.freebsd.org/showthread.php?t=27207 ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Gary Driggs
On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org, since this list is going to get shut down by Oracle next month. Whose description still reads, everything ZFS running on illumos-based distributions. -Gary

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Sašo Kiselkov
On 02/26/2013 03:51 PM, Gary Driggs wrote: On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org, since this list is going to get shut down by Oracle next month. Whose description still reads, everything ZFS running on

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Eugen Leitl
On Tue, Feb 26, 2013 at 06:51:08AM -0800, Gary Driggs wrote: On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org, since I can't seem to find this list. Do you have an URL for that? Mailman, hopefully? this list is going

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Sašo Kiselkov
On 02/26/2013 05:57 PM, Eugen Leitl wrote: On Tue, Feb 26, 2013 at 06:51:08AM -0800, Gary Driggs wrote: On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org, since I can't seem to find this list. Do you have an URL for

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Eugen Leitl
On Tue, Feb 26, 2013 at 06:01:39PM +0100, Sašo Kiselkov wrote: On 02/26/2013 05:57 PM, Eugen Leitl wrote: On Tue, Feb 26, 2013 at 06:51:08AM -0800, Gary Driggs wrote: On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org,

Re: [zfs-discuss] zfs sata mirror slower than single disk

2013-02-26 Thread Paul Kraus
Be careful when testing ZFS with ozone, I ran a bunch of stats many years ago that produced results that did not pass a basic sanity check. There was *something* about the ozone test data that ZFS either did not like or liked very much, depending on the specific test. I

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Richard Elling
On Feb 26, 2013, at 12:33 AM, Tiernan OToole lsmart...@gmail.com wrote: Thanks all! I will check out FreeNAS and see what it can do... I will also check my RAID Card and see if it can work with JBOD... fingers crossed... The machine has a couple internal SATA ports (think there are 2, could

[zfs-discuss] SVM ZFS

2013-02-26 Thread Morris Hooten
Besides copying data from /dev/md/dsk/x volume manager filesystems to new zfs filesystems does anyone know of any zfs conversion tools to make the conversion/migration from svm to zfs easier? Thanks Morris Hooten Unix SME Integrated Technology Delivery mhoo...@us.ibm.com Office:

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
Robert Milkowski wrote: Solaris 11.1 (free for non-prod use). But a ticking bomb if you use a cache device. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Robert Milkowski
Robert Milkowski wrote: Solaris 11.1 (free for non-prod use). But a ticking bomb if you use a cache device. It's been fixed in SRU (although this is only for customers with a support contract - still, will be in 11.2 as well). Then, I'm sure there are other bugs which are fixed in

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
Robert Milkowski wrote: Robert Milkowski wrote: Solaris 11.1 (free for non-prod use). But a ticking bomb if you use a cache device. It's been fixed in SRU (although this is only for customers with a support contract - still, will be in 11.2 as well). Then, I'm sure there are other bugs

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Jim Klimov
On 2013-02-26 21:30, Morris Hooten wrote: Besides copying data from /dev/md/dsk/x volume manager filesystems to new zfs filesystems does anyone know of any zfs conversion tools to make the conversion/migration from svm to zfs easier? Do you mean something like a tool that would change metadata

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Paul Kraus
On Feb 26, 2013, at 6:05 PM, Jim Klimov jimkli...@cos.ru wrote: On 2013-02-26 21:30, Morris Hooten wrote: Besides copying data from /dev/md/dsk/x volume manager filesystems to new zfs filesystems does anyone know of any zfs conversion tools to make the conversion/migration from svm to zfs

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Jim Klimov
Ah, I forgot to mention - ufsdump|ufsrestore was at some time also a recommended way of such transition ;) I think it should be aware of all intimacies of the FS, including sparse files which reportedly may puzzle some other archivers. Although with any sort of ZFS compression (including

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Paul Kraus
On Feb 26, 2013, at 6:19 PM, Jim Klimov jimkli...@cos.ru wrote: Ah, I forgot to mention - ufsdump|ufsrestore was at some time also a recommended way of such transition ;) The last time I looked at using ufsdump/ufsrestore for this ufsrestore was NOT aware of ZFS ACL semantics. That

Re: [zfs-discuss] zfs sata mirror slower than single disk

2013-02-26 Thread Bob Friesenhahn
On Tue, 26 Feb 2013, hagai wrote: for what is worth.. I had the same problem and found the answer here - http://forums.freebsd.org/showthread.php?t=27207 Given enough sequential I/O requests, zfs mirrors behave every much like RAID-0 for reads. Sequential prefetch is very important in order

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Alfredo De Luca
what about Solaris live upgrade? On Wed, Feb 27, 2013 at 10:36 AM, Paul Kraus p...@kraus-haus.org wrote: On Feb 26, 2013, at 6:19 PM, Jim Klimov jimkli...@cos.ru wrote: Ah, I forgot to mention - ufsdump|ufsrestore was at some time also a recommended way of such transition ;)

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Bob Friesenhahn
On Tue, 26 Feb 2013, Gary Driggs wrote: On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org,  since this list is going to get shut down by Oracle next month. Whose description still reads, everything ZFS

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Bob Friesenhahn
On Tue, 26 Feb 2013, Richard Elling wrote: Consider using different policies for different data. For traditional file systems, you had relatively few policy options: readonly, nosuid, quota, etc. With ZFS, dedup and compression are also policy options. In your case, dedup for your media is not

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Ian Collins
Alfredo De Luca wrote: On Wed, Feb 27, 2013 at 10:36 AM, Paul Kraus p...@kraus-haus.org mailto:p...@kraus-haus.org wrote: On Feb 26, 2013, at 6:19 PM, Jim Klimov jimkli...@cos.ru mailto:jimkli...@cos.ru wrote: Ah, I forgot to mention - ufsdump|ufsrestore was at some time also

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
Bob Friesenhahn wrote: On Tue, 26 Feb 2013, Richard Elling wrote: Consider using different policies for different data. For traditional file systems, you had relatively few policy options: readonly, nosuid, quota, etc. With ZFS, dedup and compression are also policy options. In your case,

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Bob Friesenhahn
On Wed, 27 Feb 2013, Ian Collins wrote: I am finding that rsync with the right options (to directly block-overwrite) plus zfs snapshots is providing me with pretty amazing deduplication for backups without even enabling deduplication in zfs. Now backup storage goes a very long way. We do the

Re: [zfs-discuss] SVM ZFS

2013-02-26 Thread Alfredo De Luca
Not sure http://docs.oracle.com/cd/E19253-01/821-0438/ggzdo/index.html On Wed, Feb 27, 2013 at 2:30 PM, Ian Collins i...@ianshome.com wrote: Alfredo De Luca wrote: On Wed, Feb 27, 2013 at 10:36 AM, Paul Kraus p...@kraus-haus.orgmailto: p...@kraus-haus.org wrote: On Feb 26, 2013,

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
Bob Friesenhahn wrote: On Wed, 27 Feb 2013, Ian Collins wrote: I am finding that rsync with the right options (to directly block-overwrite) plus zfs snapshots is providing me with pretty amazing deduplication for backups without even enabling deduplication in zfs. Now backup storage goes a

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Jim Klimov
On 2013-02-27 05:36, Ian Collins wrote: Bob Friesenhahn wrote: On Wed, 27 Feb 2013, Ian Collins wrote: I am finding that rsync with the right options (to directly block-overwrite) plus zfs snapshots is providing me with pretty amazing deduplication for backups without even enabling