[zfs-discuss] ZFS compression API (Was Re: [osol-discuss] Re: Re: where to start?)

2006-05-23 Thread Darren J Moffat
[EMAIL PROTECTED] wrote: Robert Milkowski wrote: But only if compression is turned on for a filesystem. Of course, and the default is off. However I think it would be good to have an API so application can decide what to compress and what not. I agree that an API would be good. However I

[zfs-discuss] Re: ZFS compression API (Was Re: [osol-discuss] Re: Re: where to start?)

2006-05-23 Thread Casper . Dik
[EMAIL PROTECTED] wrote: Robert Milkowski wrote: But only if compression is turned on for a filesystem. Of course, and the default is off. However I think it would be good to have an API so application can decide what to compress and what not. I agree that an API would be good. However I

Re: [zfs-discuss] tracking error to file

2006-05-23 Thread Wout Mertens
Can that same method be used to figure out what files changed between snapshots? Wout. On 22 May 2006, at 08:25, Matthew Ahrens wrote: On Fri, May 19, 2006 at 01:23:02PM -0600, Gregory Shaw wrote: DATASET OBJECT RANGE 1b 2402lvl=0 blkid=1965 I haven't found

[zfs-discuss] ZFS desktop integration demo

2006-05-23 Thread Tim Foster
hey all, I just posted some stuff I'd been playing around with wrt. more desktop integration of ZFS functionality, full story at: http://blogs.sun.com/roller/page/timf?entry=zfs_on_your_desktop it's not much, but it's a start... cheers, tim [ Oh, and if you

[zfs-discuss] Re: ZFS compression API (Was Re: [osol-discuss] Re: Re: where to start?)

2006-05-23 Thread Robert Milkowski
Hello Darren, Tuesday, May 23, 2006, 11:12:15 AM, you wrote: DJM [EMAIL PROTECTED] wrote: Robert Milkowski wrote: But only if compression is turned on for a filesystem. Of course, and the default is off. However I think it would be good to have an API so application can decide what to

[zfs-discuss] Re: ZFS compression API (Was Re: [osol-discuss] Re: Re: where to start?)

2006-05-23 Thread Darren J Moffat
Robert Milkowski wrote: The problem is that with stronger compression algorithms due to performance reasons I want to decide which algorithms and to what files ZFS should try to compress. For some files I write a lot of data even if they are compressing quite good i don't want it - too much CPU

Re: [zfs-discuss] tracking error to file

2006-05-23 Thread Matthew Ahrens
On Tue, May 23, 2006 at 11:49:47AM +0200, Wout Mertens wrote: Can that same method be used to figure out what files changed between snapshots? To figure out what files changed, we need to (a) figure out what object numbers changed, and (b) do the object number to file name translation. The

[zfs-discuss] Re: ZFS Web administration interface

2006-05-23 Thread Ron Halstead
Just a note about build 39. I tried Tim's smreg add suggestion and it worked, I now see the ZFS Admin page. But when I click on the link, the next page shows: Application Error org.apache.jasper.JasperException: /jsp/zfsmodule/DevicesTree.jsp(51,2) The end tag /cc:i18nbundle is unbalanced I

Re: [zfs-discuss] RFE filesystem ownership

2006-05-23 Thread Darren J Moffat
James Dickens wrote: Hi I think ZFS should add the concept of ownership to a ZFS filesystem, so if i create a filesystem for joe, he should be able to use his space how ever he see's fit, if he wants to turn on compression or take 5000 snapshots its his filesystem, let him. If he wants to

[zfs-discuss] Mirror options pros and cons

2006-05-23 Thread Tom Gendron
Hi, I have these two pools, four luns each. One has two mirrors x two luns, the other is one mirror x 4 luns. I am trying to figure out what the pro's and cons are of these two configs. One thing I have noticed is that the single mirror 4 lun config can survive as many as three lun

[zfs-discuss] Re[2]: ZFS compression API (Was Re: [osol-discuss] Re: Re: where to start?)

2006-05-23 Thread Robert Milkowski
Hello Darren, Tuesday, May 23, 2006, 4:19:05 PM, you wrote: DJM Robert Milkowski wrote: The problem is that with stronger compression algorithms due to performance reasons I want to decide which algorithms and to what files ZFS should try to compress. For some files I write a lot of data

Re: [zfs-discuss] Mirror options pros and cons

2006-05-23 Thread Robert Milkowski
Hello Tom, Tuesday, May 23, 2006, 9:46:24 PM, you wrote: TG Hi, TG I have these two pools, four luns each. One has two mirrors x two luns, TG the other is one mirror x 4 luns. TG I am trying to figure out what the pro's and cons are of these two configs. TG One thing I have noticed is that

Re: [zfs-discuss] RFE filesystem ownership

2006-05-23 Thread James Dickens
On 5/23/06, Robert Milkowski [EMAIL PROTECTED] wrote: Hello James, Tuesday, May 23, 2006, 6:43:11 PM, you wrote: JD Hi JD I think ZFS should add the concept of ownership to a ZFS filesystem, JD so if i create a filesystem for joe, he should be able to use his JD space how ever he see's fit,

Re[2]: [zfs-discuss] RFE filesystem ownership

2006-05-23 Thread Robert Milkowski
Hello Roland, Tuesday, May 23, 2006, 10:31:37 PM, you wrote: RM Darren J Moffat wrote: James Dickens wrote: I think ZFS should add the concept of ownership to a ZFS filesystem, so if i create a filesystem for joe, he should be able to use his space how ever he see's fit, if he wants to

Re[2]: [zfs-discuss] Mirror options pros and cons

2006-05-23 Thread Robert Milkowski
Hello Tom, Tuesday, May 23, 2006, 10:37:31 PM, you wrote: TG Robert Milkowski wrote: Hello Tom, Tuesday, May 23, 2006, 9:46:24 PM, you wrote: TG Hi, TG I have these two pools, four luns each. One has two mirrors x two luns, TG the other is one mirror x 4 luns. TG I am trying to figure

Re[9]: [zfs-discuss] Re: Re: Due to 128KB limit in ZFS it can't saturate disks

2006-05-23 Thread Robert Milkowski
Hello Roch, Monday, May 22, 2006, 3:42:41 PM, you wrote: RBPE Robert Says: RBPE Just to be sure - you did reconfigure system to actually allow larger RBPE IO sizes? RBPE Sure enough, I messed up (I had no tuning to get the above data); So RBPE 1 MB was my max transfer sizes. Using 8MB

Re: [zfs-discuss] RFE filesystem ownership

2006-05-23 Thread Mark Shellenbaum
Darren J Moffat wrote: James Dickens wrote: Hi I think ZFS should add the concept of ownership to a ZFS filesystem, so if i create a filesystem for joe, he should be able to use his space how ever he see's fit, if he wants to turn on compression or take 5000 snapshots its his filesystem, let

Re: [zfs-discuss] Misc questions

2006-05-23 Thread Matthew Ahrens
On Tue, May 23, 2006 at 02:34:30PM -0700, Jeff Victor wrote: * When you share a ZFS fs via NFS, what happens to files and filesystems that exceed the limits of NFS? What limits do you have in mind? I'm not an NFS expert, but I think that NFSv4 (and probably v3) supports 64-bit file sizes, so