Re: [zfs-discuss] OT: Formatting Problem of ZFS Adm Guide (pdf)

2008-07-22 Thread W. Wayne Liauh
> I doubt so. Star/OpenOffice are word processors... > and like Word they are not suitable for typesetting > documents. > > SGML, FrameMaker & TeX/LateX are the only ones > capable of doing that. This was pretty much true about a year ago. However, after version 2.3, which adds the kerning feat

Re: [zfs-discuss] [zfs-code] Peak every 4-5 second

2008-07-22 Thread Tharindu Rukshan Bamunuarachchi
Dear Mark/All, Our trading system is writing to local and/or array volume at 10k messages per second. Each message is about 700bytes in size. Before ZFS, we used UFS. Even with UFS, there was evey 5 second peak due to fsflush invocation. However each peak is about ~5ms. Our application can not

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Rob Clark
> On Tue, 22 Jul 2008, Miles Nordin wrote: > > scrubs making pools uselessly slow? Or should it be scrub-like so > > that already-written filesystems can be thrown into the dedup bag and > > slowly squeezed, or so that dedup can run slowly during the business > > day over data written quickly at n

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Erik Trimble
Bob Friesenhahn wrote: > On Tue, 22 Jul 2008, Erik Trimble wrote: > >> Dedup Disadvantages: >> > > Obviously you do not work in the Sun marketing department which is > intrested in this feature (due to some other companies marketing it). > Note that the topic starter post came from someon

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Bob Friesenhahn
On Tue, 22 Jul 2008, Miles Nordin wrote: > scrubs making pools uselessly slow? Or should it be scrub-like so > that already-written filesystems can be thrown into the dedup bag and > slowly squeezed, or so that dedup can run slowly during the business > day over data written quickly at night (fast

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Miles Nordin
> "et" == Erik Trimble <[EMAIL PROTECTED]> writes: et> Dedup Advantages: et> (1) save space (2) coalesce data which is frequently used by many nodes in a large cluster into a small nugget of common data which can fit into RAM or L2 fast disk (3) back up non-ZFS filesystems t

Re: [zfs-discuss] OT: Formatting Problem of ZFS Adm Guide (pdf)

2008-07-22 Thread Akhilesh Mritunjai
I doubt so. Star/OpenOffice are word processors... and like Word they are not suitable for typesetting documents. SGML, FrameMaker & TeX/LateX are the only ones capable of doing that. This message posted from opensolaris.org ___ zfs-discuss mailing

Re: [zfs-discuss] [RFC] Improved versioned pointer algorithms

2008-07-22 Thread Akhilesh Mritunjai
> Btrfs does not suffer from this problem as far as I > can see because it > uses reference counting rather than a ZFS-style dead > list. I was just > wondering if ZFS devs recognize the problem and are > working on a > solution. Daniel, Correct me if I'm wrong, but how does reference counting s

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Bob Friesenhahn
On Tue, 22 Jul 2008, Erik Trimble wrote: > > Dedup Disadvantages: Obviously you do not work in the Sun marketing department which is intrested in this feature (due to some other companies marketing it). Note that the topic starter post came from someone in Sun's marketing department. I think t

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Charles Soto
On 7/22/08 11:48 AM, "Erik Trimble" <[EMAIL PROTECTED]> wrote: > I'm still not convinced that dedup is really worth it for anything but > very limited, constrained usage. Disk is just so cheap, that you > _really_ have to have an enormous amount of dup before the performance > penalties of dedup a

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Mike Gerdts
On Tue, Jul 22, 2008 at 11:48 AM, Erik Trimble <[EMAIL PROTECTED]> wrote: > No, you are right to be concerned over block-level dedup seriously > impacting seeks. The problem is that, given many common storage > scenarios, you will have not just similar files, but multiple common > sections of many

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Wade . Stuart
[EMAIL PROTECTED] wrote on 07/22/2008 11:48:30 AM: > Chris Cosby wrote: > > > > > > On Tue, Jul 22, 2008 at 11:19 AM, <[EMAIL PROTECTED] > > > wrote: > > > > [EMAIL PROTECTED] > > wrote on 07/22/2008 > > 09:58:53 AM: > > > > > To

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Richard Elling
FWIW, Sun's VTL products use ZFS and offer de-duplication services. http://www.sun.com/aboutsun/pr/2008-04/sunflash.20080407.2.xml -- richard ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discu

Re: [zfs-discuss] Cannot attach mirror to SPARC zfs root pool

2008-07-22 Thread Rainer Orth
Mark J Musante writes: > On Tue, 22 Jul 2008, Rainer Orth wrote: > > > I just wanted to attach a second mirror to a ZFS root pool on an Ultra > > 1/170E running snv_93. > > > > I've followed the workarounds for CR 6680633 and 6680633 from the ZFS > > Admin Guide, but booting from the newly atta

Re: [zfs-discuss] Cannot attach mirror to SPARC zfs root pool

2008-07-22 Thread Mark J Musante
On Tue, 22 Jul 2008, Rainer Orth wrote: > I just wanted to attach a second mirror to a ZFS root pool on an Ultra > 1/170E running snv_93. > > I've followed the workarounds for CR 6680633 and 6680633 from the ZFS > Admin Guide, but booting from the newly attached mirror fails like so: I think yo

[zfs-discuss] Moving ZFS root pool to different system breaks boot

2008-07-22 Thread Rainer Orth
Recently, I needed to move the boot disks containing a ZFS root pool in an Ultra 1/170E running snv_93 to a different system (same hardware) because the original system was broken/unreliable. To my dismay, unlike with UFS, the new machine wouldn't boot: WARNING: pool 'root' could not be loaded as

[zfs-discuss] Cannot attach mirror to SPARC zfs root pool

2008-07-22 Thread Rainer Orth
I just wanted to attach a second mirror to a ZFS root pool on an Ultra 1/170E running snv_93. I've followed the workarounds for CR 6680633 and 6680633 from the ZFS Admin Guide, but booting from the newly attached mirror fails like so: Boot device: disk File and args:

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Erik Trimble
Chris Cosby wrote: > > > On Tue, Jul 22, 2008 at 11:19 AM, <[EMAIL PROTECTED] > > wrote: > > [EMAIL PROTECTED] > wrote on 07/22/2008 > 09:58:53 AM: > > > To do dedup properly, it seems like there would have to be some > > ove

Re: [zfs-discuss] ? SX:CE snv_91 - ZFS - raid and mirror - drive

2008-07-22 Thread Rob Clark
> Though possible, I don't think we would classify it as a best practice. > -- richard Looking at http://opensolaris.org/os/community/volume_manager/ I see: "Supports RAID-0, RAID-1, RAID-5", "Root mirroring" and "Seamless upgrades and live upgrades" (that would go nicely with my ZFS root mirror

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Chris Cosby
On Tue, Jul 22, 2008 at 11:19 AM, <[EMAIL PROTECTED]> wrote: > [EMAIL PROTECTED] wrote on 07/22/2008 09:58:53 AM: > > > To do dedup properly, it seems like there would have to be some > > overly complicated methodology for a sort of delayed dedup of the > > data. For speed, you'd want your writes

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Wade . Stuart
[EMAIL PROTECTED] wrote on 07/22/2008 09:58:53 AM: > To do dedup properly, it seems like there would have to be some > overly complicated methodology for a sort of delayed dedup of the > data. For speed, you'd want your writes to go straight into the > cache and get flushed out as quickly as possi

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Chris Cosby
To do dedup properly, it seems like there would have to be some overly complicated methodology for a sort of delayed dedup of the data. For speed, you'd want your writes to go straight into the cache and get flushed out as quickly as possibly, keep everything as ACID as possible. Then, a dedup scru

[zfs-discuss] L2ARC is Solaris 10?

2008-07-22 Thread Jeff Taylor
When will L2ARC be available in Solaris 10? Thanks, Jeff ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS deduplication

2008-07-22 Thread Wade . Stuart
[EMAIL PROTECTED] wrote on 07/22/2008 08:05:01 AM: > > Hi All > >Is there any hope for deduplication on ZFS ? > >Mertol Ozyoney > >Storage Practice - Sales Manager > >Sun Microsystems > > Email [EMAIL PROTECTED] > > There is always hope. > > Seriously thought, looking at http://en.wikipedia. > org

Re: [zfs-discuss] Formatting Problem of ZFS Adm Guide (pdf)

2008-07-22 Thread Bob Friesenhahn
On Mon, 21 Jul 2008, W. Wayne Liauh wrote: > > Perhaps some considerations should be given to create those > documents with OpenOffice.org or StarOffice/StarSuite. I would encourage Sun to continue using the system which has already been working for so many years so that it can focus on creating

Re: [zfs-discuss] zfs sparc boot "Bad magic number in disk label"

2008-07-22 Thread Joe Stone
Hello Cindy, That did the trick. Thank you for your quick assessment and solution. Joe 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] ZFS deduplication

2008-07-22 Thread Rob Clark
> Hi All >Is there any hope for deduplication on ZFS ? >Mertol Ozyoney >Storage Practice - Sales Manager >Sun Microsystems > Email [EMAIL PROTECTED] There is always hope. Seriously thought, looking at http://en.wikipedia.org/wiki/Comparison_of_revision_control_software there are a lot of choi

Re: [zfs-discuss] Recovering corrupted root pool

2008-07-22 Thread Rainer Orth
Rainer Orth <[EMAIL PROTECTED]> writes: > Yesterday evening, I tried Live Upgrade on a Sun Fire V60x running SX:CE 90 > to SX:CE 93 with ZFS root (mirrored root pool called root). The LU itself > ran without problems, but before rebooting the machine, I wanted to add > some space to the root pool

Re: [zfs-discuss] ZFS Web administration interface

2008-07-22 Thread Ross
Just came across this myself, the command you want to enable just the web admin interface is: # svccfg svc:> select system/webconsole svc:/system/webconsole> setprop options/tcp_listen=true svc:/system/webconsole> quit # svcadm restart system/webconsole This message posted from opensolaris

Re: [zfs-discuss] checksum errors on root pool after upgrade to snv_94

2008-07-22 Thread Jürgen Keil
Bill Sommerfeld wrote: > On Fri, 2008-07-18 at 10:28 -0700, Jürgen Keil wrote: > > > I ran a scrub on a root pool after upgrading to snv_94, and got checksum > > > errors: > > > > Hmm, after reading this, I started a zpool scrub on my mirrored pool, > > on a system that is running post snv_94 bi