search for: milek

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2009 Aug 04
2
flowadm -i 1 - shows only first flow
Hi, OSOL, b118 > milek at r600:~# flowadm show-flow > FLOW LINK IPADDR PROTO PORT > DSFLD > local_25 iwh0 -- tcp 25 -- > local_22 iwh0 -- tcp 22 -- > milek at r600:~# flowa...
2006 May 10
4
validates_uniqueness_of and create atomicity
...s? I had imagined it would do something "clever" like attempt the insert, trap an exception if it occurs, and attempt to subsequently verify if the exception is the result of a violation of the uniqueness condition specified. But clearly this is not what is happening. Regards, -- Bosko Milekic <bosko.milekic@gmail.com>
2009 Dec 03
5
L2ARC in clusters
...9;s which are local to the other node. L2ARC doesn''t contain any data which is critical to pool so it doesn''t have to be shared between node. SLOG would be a whole different story and generally it wouldn''t be possible. But L2ARC should be. -- Robert Milkowski http://milek.blogspot.com
2006 May 11
9
acts_as_commentable plugin
I''ve just about finished up work on a plugin similar to acts_as_taggable, but for comments instead which would allow you to attach comments (possibly even a threaded discussion if conbined with acts_as_tree) to any object. Is there anyone that would be interested in it? I don''t want to go throug the trouble of finding some way to distribute it unless I know that there is a
2009 Aug 14
16
What''s eating my disk space? Missing snapshots?
Please can someone take a look at the attached file which shows the output on my machine of zfs list -r -t filesystem,snapshot -o space rpool/export/home/matt The USEDDS figure of ~2GB is what I would expect, and is the same figure reported by the Disk Usage Analyzer. Where is the remaining 13.8GB USEDSNAP figure coming from? If I total up the list of zfs-auto snapshots it adds up to about 4.8GB,
2008 Jan 18
7
how to relocate a disk
Hi, I''d like to move a disk from one controller to another. This disk is part of a mirror in a zfs pool. How can one do this without having to export/import the pool or reboot the system? I tried taking it offline and online again, but then zpool says the disk is unavailable. Trying a zpool replace didn''t work because it complains that the "new" disk is part of a
2008 May 14
2
vdev cache - comments in the source
...he.c#272 are responsible for assuring that vdev_cache is used only for metadata. btw: above code changes were introduced as part of 6437064 (with further changes)- has it been backported to S10 and/or delivered as patch? -- Best regards, Robert Milkowski mailto:milek at task.gda.pl http://milek.blogspot.com
2010 Feb 24
3
How to know the recordsize of a file
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I would like to know the blocksize of a particular file. I know the blocksize for a particular file is decided at creation time, in fuction of the write size done and the recordsize property of the dataset. How can I access that information?. Some zdb magic?. - -- Jesus Cea Avion _/_/ _/_/_/ _/_/_/ jcea at
2006 May 10
7
has_many :through scope on join attribute
Hi I have a has_many :through. It''s a basic mapping of Project id .... User id .... TeamMembers project_id user_id role What I would like to do is have different roles so I can have in the project model has_many :core_members, :through => :team_members, :source => :user but I would like to limit this to only those with the "core" role in the team members table for
2007 Apr 24
2
software RAID vs. HW RAID - part III
Hello zfs-discuss, http://milek.blogspot.com/2007/04/hw-raid-vs-zfs-software-raid-part-iii.html -- Best regards, Robert Milkowski mailto:rmilkowski at task.gda.pl http://milek.blogspot.com
2006 Jul 15
2
zvol of files for Oracle?
Hello zfs-discuss, What would you rather propose for ZFS+ORACLE - zvols or just files from the performance standpoint? -- Best regards, Robert mailto:rmilkowski at task.gda.pl http://milek.blogspot.com
2008 Apr 12
5
ZVOL access permissions?
How can I set up a ZVOL that''s accessible by non-root users, too? The intent is to use sparse ZVOLs as raw disks in virtualization (reducing overhead compared to file-based virtual volumes). Thanks, -mg This message posted from opensolaris.org
2007 Sep 18
3
ZFS and encryption
Hello zfs-discuss, I wonder if ZFS will be able to take any advantage of Niagara''s built-in crypto? -- Best regards, Robert Milkowski mailto:rmilkowski at task.gda.pl http://milek.blogspot.com
2006 Mar 10
3
pool space reservation
What is a use case of setting a reservation on the base pool object? Say I have a pool of 3 100GB drives dynamic striped (pool size of 300GB), and I set the reservation to 200GB. I don''t see any commands that let me ever reduce a pool''s size, so how is the 200GB reservation used? Related question: is there a plan in the future to allow me to replace the 3 100GB drives with 2
2006 May 16
3
ZFS snv_b39 and S10U2
...I want to put right now (I have to do it now) some data on ZFS and later I want to reinstall system to s10u2 but I do not want to migrate data - just export/import. -- Best regards, Robert mailto:rmilkowski at task.gda.pl http://milek.blogspot.com
2007 Oct 12
5
ZFS on EMC Symmetrix
If anyone is running this configuration, I have some questions for you about Page83 data errors. This message posted from opensolaris.org
2009 Feb 13
3
Strange performance loss
I''m moving some data off an old machine to something reasonably new. Normally, the new machine performs better, but I have one case just now where the new system is terribly slow. Old machine - V880 (Solaris 8) with SVM raid-5: # ptime du -kds foo 15043722 foo real 6.955 user 0.964 sys 5.492 And now the new machine - T5140 (latest Solaris 10) with ZFS
2006 Aug 18
9
Rails is doing what I want - but I don''t understand how.
Hi guys, I have the strangest thing happening. The funny part is its doing exactly what I want to do, I just don''t understand how. Basically here is my model. class Role < ActiveRecord::Base has_and_belongs_to_many :users has_and_belongs_to_many :rights def self.names names = Array.new() for role in Role.find :all names << role.name end return
2006 Nov 22
3
RESTful web service design question
I''m working on a Rails app that needs to expose a RESTful web service. I''m curious to know some of the best practices as it relates to RESTful API design. Let''s say I have a set of related objects on the server side. I''ll use the venerable subscribers, subscriptions and magazines example to lay it out. class Subscriber < AR has_many :subscriptions
2008 Mar 14
8
xcalls - mpstat vs dtrace
HI, T5220, S10U4 + patches mdb -k > ::memstat While above is working (takes some time, ideally ::memstat -n 4 to use 4 threads could be useful) mpstat 1 shows: CPU minf mjf xcal intr ithr csw icsw migr smtx srw syscl usr sys wt idl 48 0 0 1922112 9 0 0 8 0 0 0 15254 6 94 0 0 So about 2mln xcalls per second. Let''s check with dtrace: