Re: [zfs-discuss] Problem booting after zfs upgrade

2011-08-06 Thread Stuart Anderson
Out of curiosity, does anyone know at what version you get a warning, and at what version installgrub is run automatically after upgrading a root pool/filesystem? -- Stuart Anderson ander...@ligo.caltech.edu http://www.ligo.caltech.edu/~anderson ___

[zfs-discuss] Problem booting after zfs upgrade

2011-08-05 Thread stuart anderson
After upgrading to zpool version 29/zfs version 5 on a S10 test system via the kernel patch 144501-19 it will now boot only as far as the to the grub menu. What is a good Solaris rescue image that I can boot that will allow me to import this rpool to look at it (given the newer version)? Thanks

Re: [zfs-discuss] Partitioning ARC

2011-01-31 Thread Stuart Anderson
On Jan 30, 2011, at 6:03 PM, Richard Elling wrote: > On Jan 30, 2011, at 5:01 PM, Stuart Anderson wrote: >> On Jan 30, 2011, at 2:29 PM, Richard Elling wrote: >> >>> On Jan 30, 2011, at 12:21 PM, stuart anderson wrote: >>> >>>> Is it possible to par

[zfs-discuss] Validating a zfs send object

2011-01-31 Thread stuart anderson
How do you verify that a zfs send binary object is valid? I tried running a truncated file through zstreamdump and it completed with no error messages and an exit() status of 0. However, I noticed it was missing a final print statement with a checksum value, END checksum = ... Is there any normal

Re: [zfs-discuss] Partitioning ARC

2011-01-30 Thread Stuart Anderson
On Jan 30, 2011, at 2:29 PM, Richard Elling wrote: > On Jan 30, 2011, at 12:21 PM, stuart anderson wrote: > >> Is it possible to partition the global setting for the maximum ARC size >> with finer grained controls? Ideally, I would like to do this on a per >> zvol basis

Re: [zfs-discuss] Query zfs send objects

2011-01-30 Thread Stuart Anderson
On Jan 30, 2011, at 1:49 PM, Richard Elling wrote: > On Jan 30, 2011, at 11:19 AM, Stuart Anderson wrote: >> >> On Jan 29, 2011, at 10:00 PM, Richard Elling wrote: >> >>> On Jan 29, 2011, at 5:48 PM, stuart anderson wrote: >>> >>>> Is ther

[zfs-discuss] Partitioning ARC

2011-01-30 Thread stuart anderson
Is it possible to partition the global setting for the maximum ARC size with finer grained controls? Ideally, I would like to do this on a per zvol basis but a setting per zpool would be interesting as well? The use case is to prioritize which zvol devices should be fully cached in DRAM on a serve

Re: [zfs-discuss] Query zfs send objects

2011-01-30 Thread Stuart Anderson
On Jan 29, 2011, at 10:00 PM, Richard Elling wrote: > On Jan 29, 2011, at 5:48 PM, stuart anderson wrote: > >> Is there a simple way to query zfs send binary objects for basic information >> such as: >> >> 1) What snapshot they represent? >> 2) When they w

[zfs-discuss] Query zfs send objects

2011-01-29 Thread stuart anderson
Is there a simple way to query zfs send binary objects for basic information such as: 1) What snapshot they represent? 2) When they where created? 3) Whether they are the result of an incremental send? 4) What the the baseline snapshot was, if applicable? 5) What ZFS version number they where mad

Re: [zfs-discuss] Sun Flash Accelerator F20 numbers

2010-04-02 Thread Stuart Anderson
entire drive, but perhaps those do not apply as significantly to SSD devices? Thanks -- Stuart Anderson ander...@ligo.caltech.edu http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Sun Flash Accelerator F20 numbers

2010-03-31 Thread Stuart Anderson
n we where using to create our own volumes. If I remember the sign correctly, the newer firmware creates larger logical volumes, and you really want to upgrade the firmware if you are going to be running multiple X25-E drives from the same controller. I hope that helps. -- Stuart Anderson ander.

Re: [zfs-discuss] Sun Flash Accelerator F20 numbers

2010-03-31 Thread Stuart Anderson
Edward Ned Harvey nedharvey.com> writes: > > Allow me to clarify a little further, why I care about this so much. I have > a solaris file server, with all the company jewels on it. I had a pair of > intel X.25 SSD mirrored log devices. One of them failed. The replacement > device came with a

Re: [zfs-discuss] ZFS caching of compressed data

2010-03-27 Thread Stuart Anderson
On Oct 2, 2009, at 11:54 AM, Robert Milkowski wrote: > Stuart Anderson wrote: >> >> On Oct 2, 2009, at 5:05 AM, Robert Milkowski wrote: >> >>> Stuart Anderson wrote: >>>> I am wondering if the following idea makes any sense as a way to get

Re: [zfs-discuss] force 4k writes

2009-12-18 Thread Stuart Anderson
On Dec 17, 2009, at 9:21 PM, Richard Elling wrote: > On Dec 17, 2009, at 9:04 PM, stuart anderson wrote: >> >> As a specific example of 2 devices with dramatically different performance >> for sub-4k transfers has anyone done any ZFS benchmarks between the X25E and >

Re: [zfs-discuss] force 4k writes

2009-12-17 Thread stuart anderson
> On Wed, Dec 16 at 7:35, Bill Sprouse wrote: > >The question behind the question is, given the > really bad things that > >can happen performance-wise with writes that are not > 4k aligned when > >using flash devices, is there any way to insure that > any and all > >writes from ZFS are 4k alig

Re: [zfs-discuss] zvol used apparently greater than volsize for sparse volume

2009-10-20 Thread Stuart Anderson
ta data Metadata is usually only a small percentage. Sparse-ness is not a factor here. Sparse just means we ignore the reservation so you can create a zvol bigger than what we'd normally allow. Cindy On 10/17/09 13:47, Stuart Anderson wrote: What does it mean for the reported value of a zvol vo

[zfs-discuss] zvol used apparently greater than volsize for sparse volume

2009-10-17 Thread Stuart Anderson
) * compresratio (11.20) = 166907917926 which is 3.6% larger than volsize. Is this a bug or a feature for sparse volumes? If a feature, how much larger than volsize/compressratio can the actual used storage space grow? e.g., fixed amount overhead and/or fixed percentage? Thanks. -- Stuart Anderson

Re: [zfs-discuss] ZFS caching of compressed data

2009-10-02 Thread Stuart Anderson
On Oct 2, 2009, at 5:05 AM, Robert Milkowski wrote: Stuart Anderson wrote: I am wondering if the following idea makes any sense as a way to get ZFS to cache compressed data in DRAM? In particular, given a 2-way zvol mirror of highly compressible data on persistent storage devices, what

[zfs-discuss] ZFS caching of compressed data

2009-10-01 Thread Stuart Anderson
but unavailable? Note, this Gedanken experiment is for highly compressible (~9x) metadata for a non-ZFS filesystem. Thanks. -- Stuart Anderson ander...@ligo.caltech.edu http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs

Re: [zfs-discuss] Transient permanent errors

2009-09-13 Thread Stuart Anderson
, 2009, at 7:31 PM, Stuart Anderson wrote: This is S10U7 fully patched and not open solaris, but I would appreciate any advice on the following transient "Permanent error" message generated while running a zpool scrub. -- Stuart Anderson ander...@ligo.caltech.edu http://www.ligo.c

[zfs-discuss] zpool scrub results in pool deadlock

2009-08-31 Thread stuart anderson
I just ran zpool scrub on an active pool on an x4170 running S10U7 with the latest patches and iostat immediately dropped to 0 for all the pool devices and all processes associated with that device where hard locked, e.g., kill -9 on a zpool status processes was ineffective. However, other zpool

Re: [zfs-discuss] Change the volblocksize of a ZFS volume

2009-08-29 Thread stuart anderson
> > > Question : > > > > > > Is there a way to change the volume blocksize > say > > via 'zfs snapshot send/receive'? > > > > > > As I see things, this isn't possible as the > target > > volume (including property values) gets > overwritten > > by 'zfs receive'. > > > > > > > By default, proper

Re: [zfs-discuss] Change the volblocksize of a ZFS volume

2009-08-29 Thread stuart anderson
> > Question : > > > > Is there a way to change the volume blocksize say > via 'zfs snapshot send/receive'? > > > > As I see things, this isn't possible as the target > volume (including property values) gets overwritten > by 'zfs receive'. > > > > By default, properties are not received. To p

[zfs-discuss] Transient permanent errors

2009-06-28 Thread Stuart Anderson
NE 0 0 0 errors: No known data errors Thanks. -- Stuart Anderson ander...@ligo.caltech.edu http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Speeding up resilver on x4500

2009-06-23 Thread Stuart Anderson
E 0 0 0 c3t0d0 ONLINE 0 0 0 spares c6t0d0INUSE currently in use errors: No known data errors -- Stuart Anderson ander...@ligo.caltech.edu http://www.ligo.caltech.edu/~anderson

Re: [zfs-discuss] Speeding up resilver on x4500

2009-06-22 Thread Stuart Anderson
On Jun 21, 2009, at 10:21 PM, Nicholas Lee wrote: On Mon, Jun 22, 2009 at 4:24 PM, Stuart Anderson > wrote: However, it is a bit disconcerting to have to run with reduced data protection for an entire week. While I am certainly not going back to UFS, it seems like it should be at le

Re: [zfs-discuss] Speeding up resilver on x4500

2009-06-21 Thread Stuart Anderson
On Jun 21, 2009, at 8:57 PM, Richard Elling wrote: Stuart Anderson wrote: It is currently taking ~1 week to resilver an x4500 running S10U6, recently patched with~170M small files on ~170 datasets after a disk failure/replacement, i.e., wow, that is impressive. There is zero chance of

[zfs-discuss] Speeding up resilver on x4500

2009-06-21 Thread Stuart Anderson
, e.g., adding a faster cache device for reading and/or writing? I am also curious if anyone has a prediction on when the snapshot-restarting-resilvering bug will be patched in Solaris 10? http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6343667 Thanks. -- Stuart Anderson ander

Re: [zfs-discuss] Confused by compressratio

2008-04-16 Thread Stuart Anderson
example exactly how to interpret the the various numbers from ls, du, df, and zfs used/refernced/ available/compressratio in the context of compression={on,off}, possibly also refering to both sparse and non-sparse files? Thanks. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anders

Re: [zfs-discuss] Confused by compressratio

2008-04-16 Thread Stuart Anderson
On Wed, Apr 16, 2008 at 10:09:00AM -0700, Richard Elling wrote: > Stuart Anderson wrote: > >On Tue, Apr 15, 2008 at 03:51:17PM -0700, Richard Elling wrote: > > > >>UTSL. compressratio is the ratio of uncompressed bytes to compressed > >>bytes. > >>

Re: [zfs-discuss] Confused by compressratio

2008-04-15 Thread Stuart Anderson
e thought there was a more efficient way using the already aggregated filesystem metadata via "/bin/df" or "zfs list" and the compressratio. Thanks. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___

Re: [zfs-discuss] Confused by compressratio

2008-04-15 Thread Stuart Anderson
t; null characaters that weren't actually written to the disk. This test was done with a file created with via "/bin/yes | head", i.e., it does not have any null characters specifically for this possibility. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~ander

Re: [zfs-discuss] Confused by compressratio

2008-04-14 Thread Stuart Anderson
On Mon, Apr 14, 2008 at 05:22:03PM -0400, Luke Scharf wrote: > Stuart Anderson wrote: > >On Mon, Apr 14, 2008 at 09:59:48AM -0400, Luke Scharf wrote: > > > >>Stuart Anderson wrote: > >> > >>>As an artificial test, I created a filesystem with com

Re: [zfs-discuss] Confused by compressratio

2008-04-14 Thread Stuart Anderson
On Mon, Apr 14, 2008 at 09:59:48AM -0400, Luke Scharf wrote: > Stuart Anderson wrote: > >As an artificial test, I created a filesystem with compression enabled > >and ran "mkfile 1g" and the reported compressratio for that filesystem > >is 1.00x even though t

[zfs-discuss] Confused by compressratio

2008-04-11 Thread Stuart Anderson
preciate any help in understanding what compressratio means. Thanks. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] scrub performance

2008-03-07 Thread Stuart Anderson
On Thu, Mar 06, 2008 at 06:25:21PM -0800, David Pacheco wrote: > Stuart Anderson wrote: > > > >It is also interesting to note that this system is now making negative > >progress. I can understand the remaining time estimate going up with > >time, but what does it mean f

Re: [zfs-discuss] scrub performance

2008-03-06 Thread Stuart Anderson
e average server. > Or the guys at SLAC have, unbeknownst to you, somehow accelerated your > Thumper to near the speed of light. > > (:-) > If true, that would certainly help, since we actually are using these thumpers to help detect gravitational waves! See, http://www.ligo.caltech.e

Re: [zfs-discuss] scrub performance

2008-03-06 Thread Stuart Anderson
On Thu, Mar 06, 2008 at 11:51:00AM -0800, Stuart Anderson wrote: > I currently have an X4500 running S10U4 with the latest ZFS uber patch > (127729-07) for which "zpool scrub" is making very slow progress even > though the necessary resources are apparently available. Currently

[zfs-discuss] scrub performance

2008-03-06 Thread Stuart Anderson
d find it convenient if the scrub completion event was also logged in the zpool history along with the initiation event. Thanks. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discu

Re: [zfs-discuss] Kernel panic on arc_buf_remove_ref() assertion

2008-02-19 Thread Stuart Anderson
> -- > Prabahar. > > Stuart Anderson wrote: > >Thanks for the information. > > > >How does the temporary patch 127729-07 relate to the IDR127787 (x86) which > >I believe also claims to fix this panic? > > -- Stuart Anderson

Re: [zfs-discuss] Kernel panic on arc_buf_remove_ref() assertion

2008-02-18 Thread Stuart Anderson
for > this panic is in temporary state and will be released via SunSolve soon. > > Please contact your support channel to get these patches. > > -- > Prabahar. > > Stuart Anderson wrote: > >On Mon, Feb 18, 2008 at 06:28:31PM -0800, Stuart Anderson wrote: > >&g

Re: [zfs-discuss] Kernel panic on arc_buf_remove_ref() assertion

2008-02-18 Thread Stuart Anderson
On Mon, Feb 18, 2008 at 06:28:31PM -0800, Stuart Anderson wrote: > Is this kernel panic a known ZFS bug, or should I open a new ticket? > > Feb 18 17:55:18 thumper1 genunix: [ID 403854 kern.notice] assertion failed: > arc_buf_remove_ref(db->db_buf, db) == 0, file: ../../commo

[zfs-discuss] Kernel panic on arc_buf_remove_ref() assertion

2008-02-18 Thread Stuart Anderson
:18 thumper1 genunix: [ID 655072 kern.notice] fe8000809c60 genunix:taskq_thread+bc () Feb 18 17:55:18 thumper1 genunix: [ID 655072 kern.notice] fe8000809c70 unix:thread_start+8 () Feb 18 17:55:18 thumper1 unix: [ID 10 kern.notice] -- Stuart Anderson [EMAIL PROTECTED] h

Re: [zfs-discuss] Kernel panic receiving incremental snapshots

2007-11-23 Thread Stuart Anderson
This kernel panic when running "zfs receive" has been solved with IDR127787-10. Does anyone know when this large set of ZFS bug fixes will be released as a normal/official S10 patch? Thanks. On Sat, Aug 25, 2007 at 07:36:25PM -0700, Stuart Anderson wrote: > Before I open a new cas

[zfs-discuss] X4500 device disconnect problem persists

2007-10-26 Thread Stuart Anderson
nfo), ASCQ: 0x0, FRU: 0x0 -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Parallel zfs destroy results in No more processes

2007-10-26 Thread Stuart Anderson
s. That system has been up for 2 weeks after disabling NCQ and has not displayed any disconnected messages since then. Can anyone confirm that that 125205-07 has solved these NCQ problems? Thanks. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson

Re: [zfs-discuss] Parallel zfs destroy results in No more processes

2007-10-24 Thread Stuart Anderson
On Wed, Oct 24, 2007 at 10:40:41AM -0700, David Bustos wrote: > Quoth Stuart Anderson on Sun, Oct 21, 2007 at 07:09:10PM -0700: > > Running 102 parallel "zfs destroy -r" commands on an X4500 running S10U4 has > > resulted in "No more processes" errors i

[zfs-discuss] Parallel zfs destroy results in No more processes

2007-10-21 Thread Stuart Anderson
90 4556K 1496K sleep0:27 0.00% zfs 11360 root 1 590 4552K 1492K sleep0:26 0.00% zfs -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] chgrp -R hangs all writes to pool

2007-10-04 Thread Stuart Anderson
On Mon, Jul 16, 2007 at 09:36:06PM -0700, Stuart Anderson wrote: > Running Solaris 10 Update 3 on an X4500 I have found that it is possible > to reproducibly block all writes to a ZFS pool by running "chgrp -R" > on any large filesystem in that pool. As can be seen below in

Re: [zfs-discuss] zpool degraded status after resilver completed

2007-09-08 Thread Stuart Anderson
time() = 1189279453 /13:time() = 1189279453 Is this a known bug with fmd and ZFS? Thanks. On Fri, Sep 07, 2007 at 08:55:52PM -0700, Stuart Anderson wrote: > I am curious why zpool status reports a pool to be in the D

[zfs-discuss] zpool degraded status after resilver completed

2007-09-07 Thread Stuart Anderson
0 0 0 spares c8t1d0 INUSE currently in use errors: No known data errors -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.openso

[zfs-discuss] Kernel panic receiving incremental snapshots

2007-08-25 Thread Stuart Anderson
/d3, offset 1645084672, content: kernel -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] chgrp -R hangs all writes to pool

2007-07-17 Thread Stuart Anderson
x4500gc genunix: [ID 943907 kern.notice] Copyright 1983-2007 Sun Microsystems, Inc. All rights reserved. On Tue, Jul 17, 2007 at 12:40:16PM -0700, Stuart Anderson wrote: > On Tue, Jul 17, 2007 at 03:08:44PM +1000, James C. McPherson wrote: > > >>Log a new case with Sun, and make

Re: [zfs-discuss] chgrp -R hangs all writes to pool

2007-07-17 Thread Stuart Anderson
ratio 12.39, dump succeeded rebooting... # dumpadm Dump content: kernel pages Dump device: /dev/md/dsk/d2 (swap) Savecore directory: /var/crash/x4500gc Savecore enabled: yes # ls -laR /var/crash/x4500gc/ /var/crash/x4500gc/: total 2 drwx-- 2 root root 512 Jul 12 16:26 . drw

Re: [zfs-discuss] chgrp -R hangs all writes to pool

2007-07-16 Thread Stuart Anderson
On Tue, Jul 17, 2007 at 02:49:08PM +1000, James C. McPherson wrote: > Stuart Anderson wrote: > >Running Solaris 10 Update 3 on an X4500 I have found that it is possible > >to reproducibly block all writes to a ZFS pool by running "chgrp -R" > >on any large filesyste

[zfs-discuss] chgrp -R hangs all writes to pool

2007-07-16 Thread Stuart Anderson
event. Is this a known issue or should I open a new case with Sun? Thanks. -- Stuart Anderson [EMAIL PROTECTED] http://www.ligo.caltech.edu/~anderson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss