[zfs-discuss] Can't offline a RAID-Z2 device: "no valid replica"

2009-07-12 Thread Laurent Blume
(As I'm not subscribed to this list, you can keep me in CC:, but I'll check out the Jive thread) Hi all, I've seen this questions asked several times, but there wasn't any solution provided. I'm trying to offline a faulted device in a RAID-Z2 device on Solaris 10. This is done according to the

Re: [zfs-discuss] first use send/receive... somewhat confused.

2009-07-12 Thread Ross
You're getting confused between snapshots and filesystems. Read @ as "at", it's a snapshot of that filesystem at a particular point in time. eg, you could create snapshots with names like: z1/proje...@now z1/proje...@13-july-2009 z1/proje...@my-snapshot They're all snapshots of the z1/project

Re: [zfs-discuss] first use send/receive... somewhat confused.

2009-07-12 Thread Ross Walker
On Jul 12, 2009, at 11:45 PM, Harry Putnam wrote: Reading various bits of google output about send/receive I'm starting to wonder if that process is maybe the wrong way to go at what I want to do. I have a filesystem z1/projects I want to remove it from the z1 pool and put it in a z2 pool end

Re: [zfs-discuss] first use send/receive... somewhat confused.

2009-07-12 Thread Richard Elling
Harry Putnam wrote: Reading various bits of google output about send/receive I'm starting to wonder if that process is maybe the wrong way to go at what I want to do. I have a filesystem z1/projects I want to remove it from the z1 pool and put it in a z2 pool ending up with z2/projects. With a

[zfs-discuss] first use send/receive... somewhat confused.

2009-07-12 Thread Harry Putnam
Reading various bits of google output about send/receive I'm starting to wonder if that process is maybe the wrong way to go at what I want to do. I have a filesystem z1/projects I want to remove it from the z1 pool and put it in a z2 pool ending up with z2/projects. With all the same data, same

Re: [zfs-discuss] Why is Solaris 10 ZFS performance so terrible?

2009-07-12 Thread Scott Lawson
Bob, Output of my run for you. System is a M3000 with 16 GB RAM and 1 zpool called test1 which is contained on a raid 1 volume on a 6140 with 7.50.13.10 firmware on the RAID controllers. RAid 1 is made up of two 146GB 15K FC disks. This machine is brand new with a clean install of S10 05/09. I

Re: [zfs-discuss] Disappearing snapshots

2009-07-12 Thread DL Consulting
Thanks Tim -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] rpool mirror on USB sticks

2009-07-12 Thread Richard Elling
Tertius Lydgate wrote: Figure out how to mirror a root pool on one USB stick to another. It gives me the error "new device must be a single disk" even though the new device is a single disk. IIRC, you will get this error message if you try to "zpool add" rather than "zpool attach" the disk

Re: [zfs-discuss] rpool mirror on USB sticks

2009-07-12 Thread Kees Nuyt
On Sun, 12 Jul 2009 14:42:02 PDT, Tertius Lydgate wrote: >Figure out how to mirror a root pool on one USB stick to another. >It gives me the error "new device must be a single disk" >even though the new device is a single disk. If it's an U3 stick, it may behave like two devices. You'll have to

Re: [zfs-discuss] rpool mirror on USB sticks

2009-07-12 Thread Tertius Lydgate
Figure out how to mirror a root pool on one USB stick to another. It gives me the error "new device must be a single disk" even though the new device is a single disk. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discus

Re: [zfs-discuss] Why is Solaris 10 ZFS performance so terrible?

2009-07-12 Thread Bob Friesenhahn
There has been no forward progress on the ZFS read performance issue for a week now. A 4X reduction in file read performance due to having read the file before is terrible, and of course the situation is considerably worse if the file was previously mmapped as well. Many of us have sent a lot

Re: [zfs-discuss] deduplication

2009-07-12 Thread Richard Elling
Ross wrote: I don't think this is anything unusual, nor suspicious. Sun have released huge amounts of code to the open source communities, and the very fact that you can come on these forums, ask a question like that, and get answers back from some of the kernel developers shows just how open

Re: [zfs-discuss] deduplication

2009-07-12 Thread Ross
Yup, that's one feature I'm eagerly awaiting too, the list of things it could facilitate is huge. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discu

Re: [zfs-discuss] deduplication

2009-07-12 Thread David Magda
On Jul 12, 2009, at 08:05, Cyril Plisko wrote: Indeed. However willingness to openly develop opensource project or lack of that of is also considered by community. Open source is much more than throwing the code over the wall. Heck, in the early pilot days I was told by a number of Sun engineer

Re: [zfs-discuss] deduplication

2009-07-12 Thread David Magda
On Jul 11, 2009, at 21:11, Anil wrote: When it comes out, how will it work? I'm more interested in being able to remove devices from a pool, and perhaps changing a pool from RAID-Z to -Z2 on the fly. Presumably all of these features are depending on *bp re-write. _

Re: [zfs-discuss] deduplication

2009-07-12 Thread Bob Friesenhahn
On Sun, 12 Jul 2009, Bob Friesenhahn wrote: This is the first I have heard about a ZFS deduplication project. Is there a public anouncement (from Sun) somewhere that there is a ZFS deduplication project or are you just speculating that there might be such a project? Ahhh, I found some menti

Re: [zfs-discuss] deduplication

2009-07-12 Thread Bob Friesenhahn
On Sun, 12 Jul 2009, Cyril Plisko wrote: So Jeff, Bill and team (I know you are on this list), is there any reason ZFS deduplication project isn't run as OpenSolaris project ? With code repository, mailing list and all the other things publicly available. That way the development process becomes

Re: [zfs-discuss] deduplication

2009-07-12 Thread Andre van Eyssen
On Sun, 12 Jul 2009, Cyril Plisko wrote: Open source is much more than throwing the code over the wall. Heck, in the early pilot days I was told by a number of Sun engineers, that the reason things are taking time is exactly that - we do not want to just throw the code over the wall - we want to

Re: [zfs-discuss] deduplication

2009-07-12 Thread Cyril Plisko
Hello James, > Hi Cyril, > I don't work with Jeff and Bill, and I cannot speak for them > about this. > > What I can say, however, is that "open source" does not always > equate to requiring "open development". Indeed. However willingness to openly develop opensource project or lack of that of is

Re: [zfs-discuss] deduplication

2009-07-12 Thread Ross
I don't think this is anything unusual, nor suspicious. Sun have released huge amounts of code to the open source communities, and the very fact that you can come on these forums, ask a question like that, and get answers back from some of the kernel developers shows just how open Sun is. Howe

Re: [zfs-discuss] deduplication

2009-07-12 Thread James C. McPherson
On Sun, 12 Jul 2009 12:53:59 +0300 Cyril Plisko wrote: > On Sun, Jul 12, 2009 at 7:06 AM, James C. > McPherson wrote: > > Anil wrote: > >> > >> When it comes out, how will it work? > >> > >> Does it work at the pool level or a zfs file system level? If I > >> create a zpool called 'zones' and the

Re: [zfs-discuss] deduplication

2009-07-12 Thread Bogdan M. Maryniuk
On Sun, Jul 12, 2009 at 7:27 PM, Cyril Plisko wrote: > I am talking about the process, not the announcement. What's wrong with process? -- Kind regards, BM Things, that are stupid at the beginning, rarely ends up wisely. ___ zfs-discuss mailing list z

Re: [zfs-discuss] deduplication

2009-07-12 Thread Cyril Plisko
On Sun, Jul 12, 2009 at 12:57 PM, Andre van Eyssen wrote: > On Sun, 12 Jul 2009, Cyril Plisko wrote: > >> There is an ongoing speculations of what/when/how deduplication will >> be in ZFS and I am curious: what is the reason to keep the thing >> secret ? I always thought open source assumes open de

Re: [zfs-discuss] deduplication

2009-07-12 Thread Andre van Eyssen
On Sun, 12 Jul 2009, Cyril Plisko wrote: There is an ongoing speculations of what/when/how deduplication will be in ZFS and I am curious: what is the reason to keep the thing secret ? I always thought open source assumes open development process. What exactly people behind deduplication effort t

Re: [zfs-discuss] deduplication

2009-07-12 Thread Cyril Plisko
On Sun, Jul 12, 2009 at 7:06 AM, James C. McPherson wrote: > Anil wrote: >> >> When it comes out, how will it work? >> >> Does it work at the pool level or a zfs file system level? If I >> create a zpool called 'zones' and then I create several zones >> underneath that, could I expect to see a lot