Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread David Magda
On Tue, March 5, 2013 11:17, Russ Poyner wrote: > Your idea to use zfs diff to limit the need to stat the entire > filesystem tree intrigues me. My current rsync backups are normally > limited by this very factor. It takes longer to walk the filesystem tree > than it does to transfer the new data.

Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread Russ Poyner
On 3/5/2013 10:27 AM, Bob Friesenhahn wrote: On Tue, 5 Mar 2013, David Magda wrote: It's also possible to reduce the amount that rsync has to walk the entire file tree. Most folks simply do a "rsync --options /my/source/ /the/dest/", but if you use "zfs diff", and parse/feed the output of that

Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread Bob Friesenhahn
On Tue, 5 Mar 2013, David Magda wrote: It's also possible to reduce the amount that rsync has to walk the entire file tree. Most folks simply do a "rsync --options /my/source/ /the/dest/", but if you use "zfs diff", and parse/feed the output of that to rsync, then the amount of thrashing can pro

Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread Russ Poyner
On 3/5/2013 9:40 AM, David Magda wrote: On Tue, March 5, 2013 10:02, Bob Friesenhahn wrote: Rsync does need to read files on the destination filesystem to see if they have changed. If the system has sufficient RAM (and/or L2ARC) then files may still be cached from the previous day's run. In m

Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread David Magda
On Tue, March 5, 2013 10:02, Bob Friesenhahn wrote: > Rsync does need to read files on the destination filesystem to see if > they have changed. If the system has sufficient RAM (and/or L2ARC) > then files may still be cached from the previous day's run. In most > cases only a small subset of th

Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread Bob Friesenhahn
On Mon, 4 Mar 2013, Matthew Ahrens wrote: Magic rsync options used: -a --inplace --no-whole-file --delete-excluded This causes rsync to overwrite the file blocks in place rather than writing to a new temporary file first. As a result, zfs COW produces primitive "deduplication" of at least t

Re: [zfs-discuss] ZFS Distro Advice

2013-03-05 Thread Robert Milkowski
> >> We do the same for all of our "legacy" operating system backups. > Take > >> a snapshot then do an rsync and an excellent way of maintaining > >> incremental backups for those. > > > > > > Magic rsync options used: > > > > -a --inplace --no-whole-file --delete-excluded > > > > This causes rs

Re: [zfs-discuss] ZFS Distro Advice

2013-03-04 Thread Matthew Ahrens
On Tue, Feb 26, 2013 at 7:42 PM, 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 >>

Re: [zfs-discuss] ZFS Distro Advice

2013-02-27 Thread Dan Swartzendruber
On 2/27/2013 2:05 PM, Tim Cook wrote: On Wed, Feb 27, 2013 at 2:57 AM, Dan Swartzendruber mailto:dswa...@druber.com>> wrote: I've been using it since rc13. It's been stable for me as long as you don't get into things like zvols and such... Then it definitely isn't at the le

Re: [zfs-discuss] ZFS Distro Advice

2013-02-27 Thread Tim Cook
On Wed, Feb 27, 2013 at 2:57 AM, Dan Swartzendruber wrote: > > I've been using it since rc13. It's been stable for me as long as you > don't > get into things like zvols and such... > > > Then it definitely isn't at the level of FreeBSD, and personally I would not consider that production ready.

Re: [zfs-discuss] ZFS Distro Advice

2013-02-27 Thread Bob Friesenhahn
On Wed, 27 Feb 2013, Ian Collins wrote: Magic rsync options used: -a --inplace --no-whole-file --delete-excluded This causes rsync to overwrite the file blocks in place rather than writing to a new temporary file first. As a result, zfs COW produces primitive "deduplication" of at least th

Re: [zfs-discuss] ZFS Distro Advice

2013-02-27 Thread Dan Swartzendruber
uary 27, 2013 6:37 AM To: zfs-discuss@opensolaris.org Subject: Re: [zfs-discuss] ZFS Distro Advice On 02/27/2013 12:32 PM, Ahmed Kamal wrote: > How is the quality of the ZFS Linux port today? Is it comparable to > Illumos or at least FreeBSD ? Can I trust production data to it ? Can&

Re: [zfs-discuss] ZFS Distro Advice

2013-02-27 Thread Sašo Kiselkov
On 02/27/2013 12:32 PM, Ahmed Kamal wrote: > How is the quality of the ZFS Linux port today? Is it comparable to Illumos > or at least FreeBSD ? Can I trust production data to it ? Can't speak from personal experience, but a colleague of mine has been PPA builds on Ubuntu and has had, well, less t

Re: [zfs-discuss] ZFS Distro Advice

2013-02-27 Thread Ahmed Kamal
How is the quality of the ZFS Linux port today? Is it comparable to Illumos or at least FreeBSD ? Can I trust production data to it ? On Wed, Feb 27, 2013 at 5:22 AM, Bob Friesenhahn < bfrie...@simple.dallas.tx.us> wrote: > On Tue, 26 Feb 2013, Gary Driggs wrote: > > On Feb 26, 2013, at 12:44 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 deduplicat

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 ve

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] 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, dedu

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] 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 runn

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 whic

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

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 Richard Elling
On Feb 26, 2013, at 12:33 AM, Tiernan OToole 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 be 4) so i > was

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

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 U

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 go

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 runnin

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 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 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 wrote: > > > On Mon, Feb 25, 2013 at 10:33 PM, Tiernan OToole wrote: > >> Thanks all! I will check out FreeNAS and see what it can do.

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Tim Cook
On Mon, Feb 25, 2013 at 10:33 PM, Tiernan OToole 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 be > 4) so i was

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 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 f

Re: [zfs-discuss] ZFS Distro Advice

2013-02-25 Thread Tim Cook
On Mon, Feb 25, 2013 at 7:57 AM, Volker A. Brandt wrote: > Tim Cook writes: > > > I need something that will allow me to share files over SMB (3 if > > > possible), NFS, AFP (for Time Machine) and iSCSI. Ideally, i would > > > like something i can manage "easily" and something that works with > >

Re: [zfs-discuss] ZFS Distro Advice

2013-02-25 Thread Volker A. Brandt
Tim Cook writes: > > I need something that will allow me to share files over SMB (3 if > > possible), NFS, AFP (for Time Machine) and iSCSI. Ideally, i would > > like something i can manage "easily" and something that works with > > the Dell... > > All of them should provide the basic functionality

Re: [zfs-discuss] ZFS Distro Advice

2013-02-25 Thread Tim Cook
On Mon, Feb 25, 2013 at 4:57 AM, Tiernan OToole wrote: > Good morning all. > > My home NAS died over the weekend, and it leaves me with a lot of spare > drives (5 2Tb and 3 1Tb disks). I have a Dell Poweredge 2900 Server sitting > in the house, which has not been doing much over the last while (b

Re: [zfs-discuss] ZFS Distro Advice

2013-02-25 Thread Suleyman Nazif Kutlu
I just started the same migration.. I tried to test OpenIndiana w/Napp-IT, Illumos w/Napp-IT, Debian k/FreeBSD and Nexenta Community Edition. I tested iSCSI, SMB and NFS. I did not find time to test FreeNAS. All tests performed as a VM guest on ESXi 5.0. SMB is based on kernel on OpenIndiana, Ill

Re: [zfs-discuss] ZFS Distro Advice

2013-02-25 Thread Volker A. Brandt
Hi Tiernan! > But, now i am confused as to what OS to use... OpenIndiana? Nexenta? > FreeNAS/FreeBSD? > > I need something that will allow me to share files over SMB (3 if > possible), NFS, AFP (for Time Machine) and iSCSI. Ideally, i would > like something i can manage "easily" and something tha

[zfs-discuss] ZFS Distro Advice

2013-02-25 Thread Tiernan OToole
Good morning all. My home NAS died over the weekend, and it leaves me with a lot of spare drives (5 2Tb and 3 1Tb disks). I have a Dell Poweredge 2900 Server sitting in the house, which has not been doing much over the last while (bought it a few years back with the intent of using it as a storage