[00:00:20] <kelly_> deedee@opensolaris:~$ cd deedee@opensolaris:~$ ls -a .	  .dmrc       .gnome2	       .mozilla		    .updatemanager ..	  Documents   .gnome2_private  .nautilus	    .Xauthority .bashrc   Downloads   .gstreamer-0.10  .printer-groups.xml  .xsession-errors .chewing  .esd_auth   .gtk-bookmarks   .profile .config   .fr-PQayNc  .ICEauthority    Public .dbus	  .gconf      .iiim	       .recently-used.xbel Desktop   .gconfd     .local	       .
[00:01:01] <Triskelios> kelly_: yeah, you should be able to just run the last command Meths gave you
[00:01:11] * Hedonista golf claps
[00:02:06] <kelly_> rite what know?
[00:02:15] <Meths> Now restart firefox
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[00:15:31] <kelly_> hi there am bk i tryd reboot firefox and trd youtube and justin tv and it just frozz my laptop up what coud be the pproblem i got into the .mozilla dir and the file is in the plugins so what could it be?
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[00:17:00] <Meths> Which version of OpenSolaris?
[00:17:41] <kelly_> 2009
[00:18:07] <kelly_> i had problems installing 11
[00:18:29] <Meths> Sounds like a bad combination of firefox version and flash version.  You could either try finding an earlier flash version or upgrading firefox.
[00:19:01] <kelly_> how would i do that could you help me as am new to this?
[00:20:55] <Meths> I don't know which combinations are known to be good.
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[00:22:53] <kelly_> i had this operaton system b4 and i did something like you said before and pasted it in the plugins but i cannot remember what the file was or were i got it it was over ayear ago
[00:23:31] <kelly_> were would i get a older flashplayer
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[00:25:54] <Meths> It was probably an older version of flash that had been tested with the ancient 2009 version of firefox and actually worked.  Not sure on the older version of flash.
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[00:30:54] <Hedonista> would it help to chmod +x the plugin?
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[02:09:51] <deedee> does anyone know the version of flash player used on the opensolaris 2009.06?
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[02:22:28] <deedee> could anyone help me upgrade?
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[04:05:29] <deedee> TRISKELIOS thanks for your help mate thats it going wouldnt hav got it going without you! you the man
[04:06:18] <Triskelios> deedee: np, did you see my note about RAM?
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[10:25:04] <vadim_comanescu> hi. what would be the best way to view a disk size ?
[10:25:27] <vadim_comanescu> i can see that format -e for some disks does not provide the size
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[10:28:09] <lblume> iostat -E
[10:30:37] <vadim_comanescu> ok , thanks.
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[13:34:41] <vadim_comanescu> why in the world  echo $? for format -e < /dev/null would return 1 ? even though everything is executed properly the disks are shown ....
[13:38:47] <lblume> printf ¨0\nq\n¨ | format -e
[13:38:57] <lblume> 'k, it lacks elegance :-D
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[13:39:21] <vadim_comanescu> :D
[13:42:11] <tsoome> why are you using expert mode?
[13:42:56] <vadim_comanescu> any way i do it it seems like i can't get rid of this return 1 status even on success .... well this would  add some if's on my code ... hope i don't find any other commands with this kind of surprises ...
[13:43:50] <tsoome> anyhow, what are you trying to do?
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[13:44:23] <lblume> vadim_comanescu: It seems to be a normal return code when exiting on the list of disks, even interactively. So the printf way to first get to the menu appears to be the only way
[13:46:41] <vadim_comanescu> i have this object that represents a solaris command entity ... so i can execute it. After execution i am able to get it's output and it's retval. The output is flushed when command fails. From what i know anything besides a 0 in unix would mean a failure. So ofc i check the retval upon 0
[13:47:14] <tsoome> what are you trying to do?
[13:47:26] <vadim_comanescu> then after alot of commands executed, output taken and so on i came across the disk section .... so to get all the disk names i obviously execute format
[13:47:54] <vadim_comanescu> but then ... the return value of executing format is 1 .... for no particular reason ....
[13:48:41] <vadim_comanescu> and bum my output is flushed ofc because i don't take any failure outputs ....
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[15:21:57] <Vanuatoo> Is it possible to add windows shared printer to my Solaris Express?
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[15:40:25] <hjf> Hi. I seem to be having a problem... I have Samba running on a solaris server, and when I copy a large file through samba (from the root zfs pool) everything slows down to a crawl. I can't even get a ssh login. I have to wait until the file is copied to be able to use the system again
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[20:44:05] <nada_> hi
[20:44:11] <nada_> could it possible to raise arc_meta_limit to put all of the ddt in ram for dedup ?
[20:44:29] <nada_> for zfs
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[20:53:16] <tsoome> whats wyour current dedupe ratio?
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[20:54:24] <nada_> 3.97
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[20:54:43] <tsoome> and more data coming in?
[20:54:51] <tsoome> or its stable already?
[20:54:53] <nada_> i  have to backup big images of virtual machines of vmware
[20:55:03] <nada_> it runs:)
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[20:55:35] <nada_> very few files : 30
[20:56:08] <nada_> on zpool with 1TO and 4G of ram on host
[20:56:13] <tsoome> asking because in general you wanna see dedupe ratio around 8:1 or so, otherwise its waste of ram (buying disks is cheaper than ram)
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[20:57:45] <nada_> we will make a cycle of backup
[20:58:10] <nada_> used storage on nfs  for vmware 250G
[20:59:00] <nada_> 10 virtual machines
[20:59:06] <nada_> to backup
[20:59:13] <tsoome> http://hub.opensolaris.org/bin/view/Community+Group+zfs/dedup
[20:59:38] <nada_> thx for link
[21:00:24] <nada_> i have read it
[21:01:37] <nada_> ddt use 25% of memory for metadata (including ddt)
[21:02:17] <nada_> my backup host will do nothing except share a nfs for backup (+ retention) of vm
[21:02:54] <RoyK> any L2ARC?
[21:03:34] <nada_> no poor desktop computer
[21:03:49] <RoyK> make sure verify is on, though
[21:04:02] <nada_> dedup=on ?
[21:04:18] <RoyK> there's a very minimal chance for a collision, but once that happens, there goes your data integrity
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[21:05:04] <RoyK> nada_: if you have sufficient RAM (aka ARC) for the DDT to be stored there, it should work ok. If not, performance will be quite terrible
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[21:06:15] <RoyK> nada_: zfs set checksum=on,verify dataset
[21:06:22] <RoyK> nada_: zfs set checksum=on,verify pool/dataset
[21:06:23] <RoyK> even
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[21:06:33] <nada_> ok => im very new at solaris
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[21:06:51] <RoyK> nada_: in general, don't use dedup unless you get 5x-10x saving
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[21:08:21] <RoyK> nada_: I've done quite a lot of testing with it, and it doesn't feel good enough. even with only 1,2TB or so on the drives with minimal dedup ratio, 8 gigs of RAM, some 120GB of L2ARC, this was a bacula SD (backup target), I/O was dead slow after about 1TB stored there
[21:09:11] <RoyK> we ended up getting more drives instead of spending more time testing dedup. I'd recommend you do the same or at least setup a good test environment to test dedup before putting it into production
[21:09:29] <nada_> but with 1T0 and 200bytes/entries and block 128K => ddt must not exceed 2G
[21:09:44] <RoyK> that's theory, yes
[21:10:11] <RoyK> I'm just telling you what I saaw
[21:10:16] <RoyK> s/saaw/saw/
[21:10:53] <nada_> yes
[21:11:44] <tsoome> well, you have 4G of ram, meaning arc max is 3G thus arc_meta_limit is 0.75G
[21:12:16] <tsoome> you can set zfs_ arc_meta_limit in /etc/system to change arc_meta_limit
[21:12:51] <tsoome> arc_meta_limit = arc_c_max / 4;
[21:13:06] <nada_> if  i grow arc_meta_limit to 2G ?
[21:13:28] <tsoome> then you can have up to 2G ddt
[21:13:48] <tsoome> probably less, because ddt is not the only bit in meta data
[21:14:39] <nada_> yes but my pool wil not have a lot of file (<100)
[21:15:26] <tsoome> how big is your arc atm?
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[21:16:24] <nada_> atm  ?
[21:16:38] <tsoome> what is the current size of arc:)
[21:18:52] <nada_> 452M
[21:19:22] <tsoome> ah, its still warming up.
[21:19:51] <nada_> my pool for backup is nearly empty
[21:20:04] <nada_> just rpool in usage
[21:21:41] <nada_> can i hope if i set arc_meta_limit to 2G to have good perf with ddt in ram  ?
[21:21:51] <nada_> with my usage
[21:22:56] <tsoome> you can definitely play with it, at least in theory it should give better result than with default (0.75GB)
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[21:23:34] <nada_> its not file server but backup storage with low usage and sequential read
[21:24:24] <tsoome> you have some data in backup pool already?
[21:24:30] <nada_> every  few days i will have to delete some backuped vm
[21:25:13] <nada_> i put some iso and dump of instance oracle to see the effect of dedup (make cp=
[21:25:53] <nada_> tomorrrow we will link vmware with oi (nfs) and put some vm
[21:26:16] <tsoome> you can run find /path_to_backup_pool and then recheck the arc size, so you can see how much that metadata did change the arc sze
[21:27:20] <nada_> thx for the tip
[21:27:46] <nada_> its a very low cheap solutions.
[21:28:04] <nada_> we have too datadomain but it costs a lot of $
[21:28:41] <tsoome> hm, my workstation got 3.5GB of ram and arc size is 2GB, but i have loads of small files
[21:29:08] <nada_> yes u got a different usage
[21:29:49] <tsoome> but i dont have dedupe, so its only data cache + metadata
[21:30:44] <nada_> yes dedup is for specific usage
[21:31:11] <nada_> thx for the tips and see u later:bye
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[22:34:21] <melbogia> Can i get aggregate io per zpool from say, kstat?
[22:34:46] <melbogia> What I am trying to do is write a script which cricket grapher will use to graph the io
[22:35:46] <melbogia> kstat has vopstats_zfs but thats rpool + allzpools
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[23:08:47] <tsoome> fsstat will give you IO from apps hitting the filesystem, zpool iostat or iostat will give you at device level
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[23:11:40] <RoyK> tsoome: will fsstat give you i/o from nfs/cifs as well?
[23:12:18] <tsoome> its grabbind data at vfs layer, so I think it should
[23:12:50] <tsoome> ou you mean protocol itself?
[23:14:08] <tsoome> I think you should be able to get data from nfs/cifs mountpoint at client
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[23:17:41] <tsoome> yep, monitoring the mountpoint definitely works, just tested it
[23:20:15] <RoyK> thanks - seems to work well
[23:20:33] <RoyK> I just needed some info about how much data is being accessed during a resilver
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[23:22:23] <RoyK> tsoome: any idea how to see how much of that i/o is done to the drives and how much comes from the l2arc?
[23:22:51] <tsoome> thats the difference of fsstat and zpool iostat .....
[23:23:13] <RoyK> but then, zpool iostat shows the resilver data
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[23:23:26] <tsoome> ah right indeed
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[23:24:03] <tsoome> well, to distinguish that you need to go to individual disk level
[23:24:04] <RoyK> 4,5 days to resilver 3 VDEVs with new 3TB drives....
[23:24:10] <RoyK> full VDEVs are not fun
[23:24:47] <tsoome> and even then its really not 100% clear, because new writes from the apps will hit new disk as well
[23:25:01] <RoyK> or the slog
[23:25:57] <tsoome> slog only reflects small data writes and metadata updates and for data part, only the sync mode, not async
[23:25:58] <RoyK> after using zfs for some time, I rarely setup a system without a couple of SSDs for SLOG, plus another for the L2ARC
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[23:26:27] <RoyK> well, it helps batching the writes
[23:26:49] <RoyK> and we have a lot of nfs traffic on this one
[23:27:25] <RoyK> although I have learned recently that most linux systems nominally mount nfs in async mode
[23:28:17] <tsoome> that you can easily track with snoop rpc nfs, yep
[23:28:56] <RoyK> not sure if I can be bothered - give it another two weeks and all those greens are replaced with 3TB drives
[23:31:05] <RoyK> I was asked to setup an archival system for large data - so I did - lots of cheap drives etc - but then those scientists started to use that as a regular file server - and then Eyjafjallajökull became interesting, so they downloaded half a terabyte a week or more from EUMETSAT, so things got even more interesting, when the pool was >95% full
[23:35:15] <tsoome> hm. i wonder if you can prevent this with "reserving" space
[23:35:39] <tsoome> kind of forcing other datasets to report the out of space situation
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[23:49:06] <RoyK> tsoome: I guess I could, if I was aware of the problem at that time, but I wasn't
[23:50:00] <RoyK> I guess the new drives will help out a bit - the pool won't be perfectly balanced, but it'll be better
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[23:50:30] <tsoome> yea, new drives need data rewrite. which is possible to do if there is an time window
[23:50:40] <tsoome> anyhow, the refreservation is the thing
[23:50:43] <RoyK> and next time I setup something, I'll ask them exactly what they want - archival or realtime storage
[23:50:53] <tsoome> NAME                    USED  AVAIL  REFER  MOUNTPOINT
[23:50:53] <tsoome> data                    134G    65G    35K  /data
[23:50:53] <tsoome> data/Backup            14,6M      0    33K  /data/Backup
[23:51:26] <tsoome> i did set 65GB refreservation on data and writing on child dataset did end up with osol-0906-x86.iso.2: No space left on device
[23:51:52] <RoyK> tsoome: there is no such window, but we're replacing 2TB drives with 3TB ones, which will grow the pool and leave space for extra fun for the full VDEVs
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[23:52:47] <RoyK> a backup/restore of that pool will take some time, and during that, some scientists may have to postpone projects, meaning loss of money
[23:53:45] <RoyK> so for the box to work somewhat better, we added 2TB worth of L2ARC - that works ok, but some timeouts make linux NFS clients go boom - haven't figured out why yet, though
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   March 10, 2011  
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