Re: [zfs-discuss] SATA hardware advice

2011-12-16 Thread Hung-Sheng Tsao (laoTsao)
imho, if possible pick sas 7200 hdd no hw-raid for ZFS mirror and with ZIL and good size memory Sent from my iPad On Dec 16, 2011, at 17:36, t...@ownmail.net wrote: I could use some help with choosing hardware for a storage server. For budgetary and density reasons, we had settled on LFF

Re: [zfs-discuss] Very poor pool performance - no zfs/controller errors?!

2011-12-19 Thread Hung-Sheng Tsao (laoTsao)
what is the ram size? are there many snap? create then delete? did you run a scrub? Sent from my iPad On Dec 18, 2011, at 10:46, Jan-Aage Frydenbø-Bruvoll j...@architechs.eu wrote: Hi, On Sun, Dec 18, 2011 at 15:13, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. laot...@gmail.com wrote: what are the

Re: [zfs-discuss] Very poor pool performance - no zfs/controller errors?!

2011-12-19 Thread Hung-Sheng Tsao (laoTsao)
Hung-Sheng Tsao (laoTsao) laot...@gmail.com: did you run a scrub? Yes, as part of the previous drive failure. Nothing reported there. Now, interestingly - I deleted two of the oldest snapshots yesterday, and guess what - the performance went back to normal for a while. Now it is severely

Re: [zfs-discuss] Resolving performance issue w/ deduplication (NexentaStor)

2011-12-30 Thread Hung-Sheng Tsao (laoTsao)
now s11 support shadow migration, just for this purpose, AFAIK not sure nexentaStor support shadow migration Sent from my iPad On Dec 30, 2011, at 2:03, Ray Van Dolson rvandol...@esri.com wrote: On Thu, Dec 29, 2011 at 10:59:04PM -0800, Fajar A. Nugraha wrote: On Fri, Dec 30, 2011 at 1:31

Re: [zfs-discuss] Stress test zfs

2012-01-04 Thread Hung-Sheng Tsao (laoTsao)
what is your storage? internal sas or external array what is your zfs setup? Sent from my iPad On Jan 4, 2012, at 17:59, grant lowe glow...@gmail.com wrote: Hi all, I've got a solaris 10 running 9/10 on a T3. It's an oracle box with 128GB memory RIght now oracle . I've been trying to

Re: [zfs-discuss] Stress test zfs

2012-01-05 Thread Hung-Sheng Tsao (laoTsao)
what is zpool zpool status are you using the default 128k stripsize for zpool is your server x86 ? or sparc t3 , how many socket? IMHO, t3 for oracle need careful tuning since many oracle ops need fast single thread cpu Sent from my iPad On Jan 5, 2012, at 11:40, grant lowe glow...@gmail.com

Re: [zfs-discuss] Stress test zfs

2012-01-05 Thread Hung-Sheng Tsao (laoTsao)
one still does not understand your setup 1 what is hba in T3-2 2 did u setup raid6 (how) in ramsan array? or present the ssd as jbod to zpool 3 which model of RAMSAN 4 are there any other storage behind RAMSAN 5 do you set up zpool with zil and or ARC? 6 IMHO, the hybre approach to ZFS is the most

Re: [zfs-discuss] Stress test zfs

2012-01-05 Thread Hung-Sheng Tsao (laoTsao)
i just take look the ramsan web site there are many whitepaper on oracle, none on ZFS Sent from my iPad On Jan 5, 2012, at 12:58, Hung-Sheng Tsao (laoTsao) laot...@gmail.com wrote: one still does not understand your setup 1 what is hba in T3-2 2 did u setup raid6 (how) in ramsan array

Re: [zfs-discuss] Unable to allocate dma memory for extra SGL

2012-01-10 Thread Hung-Sheng Tsao (laoTsao)
how is the ram size what is the zpool setup and what is your hba and hdd size and type Sent from my iPad On Jan 10, 2012, at 21:07, Ray Van Dolson rvandol...@esri.com wrote: Hi all; We have a Solaris 10 U9 x86 instance running on Silicon Mechanics / SuperMicro hardware. Occasionally

Re: [zfs-discuss] Do the disks in a zpool have a private region that I can read to get a zpool name or id?

2012-01-12 Thread Hung-Sheng Tsao (laoTsao)
if the disks are assigned by two hosts may be just do zpool import should see the zpool in other hosts? not sure as for AIX, control hdd, zpool will need partition that solaris could understand i do not know what AIX used for partition should not be the same for solaris Sent from my iPad On

Re: [zfs-discuss] patching a solaris server with zones on zfs file systems

2012-01-21 Thread Hung-Sheng Tsao (laoTsao)
which version of solaris? s10u? live upgrade, zfs snap, halt zone, backup zone, zoneadm detach zone, zoneadm attach -U zone after os upgrade by zfs snap and liveupgrade of just upgrade from dvd or s11? beadm for new root, upgrade os, treat zone as above regards Sent from my iPad On Jan 21,

Re: [zfs-discuss] unable to access the zpool after issue a reboot

2012-01-24 Thread Hung-Sheng Tsao (laoTsao)
how did you issue reboot, try shutdown -i6 -y -g0 Sent from my iPad On Jan 24, 2012, at 7:03, sureshkumar sachinnsur...@gmail.com wrote: Hi all, I am new to Solaris I am facing an issue with the dynapath [multipath s/w] for Solaris10u10 x86 . I am facing an issue with the zpool.

Re: [zfs-discuss] zfs and iscsi performance help

2012-01-27 Thread Hung-Sheng Tsao (laoTsao)
hi IMHO, upgrade to s11 if possible use the COMSTAR based iscsi Sent from my iPad On Jan 26, 2012, at 23:25, Ivan Rodriguez ivan...@gmail.com wrote: Dear fellows, We have a backup server with a zpool size of 20 TB, we transfer information using zfs snapshots every day (we have around 300

Re: [zfs-discuss] unable to access the zpool after issue a reboot

2012-01-27 Thread Hung-Sheng Tsao (laoTsao)
it seems that you will need to work with oracle support:-( Sent from my iPad On Jan 27, 2012, at 3:49, sureshkumar sachinnsur...@gmail.com wrote: Hi Christian , I was disabled the MPXIO zpool clear is working for some times its failed in few iterations. I am using one Sparc machine

Re: [zfs-discuss] HP JBOD D2700 - ok?

2012-01-31 Thread Hung-Sheng Tsao (laoTsao)
what is the server you attach to D2700? the hp spec for d2700 did not include solaris, so not sure how you get support from hp:-( Sent from my iPad On Jan 31, 2012, at 20:25, Ragnar Sundblad ra...@csc.kth.se wrote: Just to follow up on this, in case there are others interested: The

Re: [zfs-discuss] need hint on pool setup

2012-02-01 Thread Hung-Sheng Tsao (laoTsao)
my 2c 1 just do mirror of 2 dev with 20 hdd with 1 spare 2 raidz2 with 5 dev for 20 hdd, with one spare Sent from my iPad On Feb 1, 2012, at 3:49, Thomas Nau thomas@uni-ulm.de wrote: Hi On 01/31/2012 10:05 PM, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. wrote: what is your main

Re: [zfs-discuss] Advice for migrating ZFS configuration

2012-03-07 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
read the link please it seems that afmter you create the radiz1 zpool you need to destroy the fakedisk so it will have contains data when you to the copy copy the data by following the steps in the link replace the fakedisk withnthe real disk this is a good approach that i did not know before

Re: [zfs-discuss] Unable to import exported zpool on a new server

2012-03-13 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
hi are the disk/sas controller the same on both server? -LT Sent from my iPad On Mar 13, 2012, at 6:10, P-O Yliniemi p...@bsd-guide.net wrote: Hello, I'm currently replacing a temporary storage server (server1) with the one that should be the final one (server2). To keep the data storage

Re: [zfs-discuss] Good tower server for around 1,250 USD?

2012-03-22 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
well use component of x4170m2 as example you will be ok intel cpu lsi sas controller non raid sas 72rpm hdd my 2c Sent from my iPad On Mar 22, 2012, at 14:41, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: On Thu, 22 Mar 2012, The Honorable Senator and Mrs. John Blutarsky wrote: This

Re: [zfs-discuss] Good tower server for around 1,250 USD?

2012-03-23 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
well check this link https://shop.oracle.com/pls/ostore/product?p1=SunFireX4270M2serverp2=p3=p4=sc=ocom_x86_SunFireX4270M2servertz=-4:00 you may not like the price Sent from my iPad On Mar 23, 2012, at 17:16, The Honorable Senator and Mrs. John Blutarskybl...@nymph.paranoici.org wrote:

Re: [zfs-discuss] (fwd) Re: ZFS NFS service hanging on Sunday

2012-06-25 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
in solaris zfs cache many things, you should have more ram if you setup 18gb swap , imho, ram should be high than 4gb regards Sent from my iPad On Jun 25, 2012, at 5:58, tpc...@mklab.ph.rhul.ac.uk wrote: 2012-06-14 19:11, tpc...@mklab.ph.rhul.ac.uk wrote: In message

Re: [zfs-discuss] snapshots slow on sol11?

2012-06-27 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
hi just wondering can you change from samba to SMB? regards Sent from my iPad On Jun 27, 2012, at 2:46, Carsten John cj...@mpi-bremen.de wrote: -Original message- CC:ZFS Discussions zfs-discuss@opensolaris.org; From:Jim Klimov jimkli...@cos.ru Sent:Tue 26-06-2012 22:34

Re: [zfs-discuss] New fast hash algorithm - is it needed?

2012-07-11 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
Sent from my iPad On Jul 11, 2012, at 13:11, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: On Wed, 11 Jul 2012, Richard Elling wrote: The last studio release suitable for building OpenSolaris is available in the repo. See the instructions at

Re: [zfs-discuss] online increase of zfs after LUN increase ?

2012-07-26 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
imho, the 147440-21 does not list the bugs that solved by 148098- even through it obsoletes the 148098 Sent from my iPad On Jul 25, 2012, at 18:14, Habony, Zsolt zsolt.hab...@hp.com wrote: Thank you for your replies. First, sorry for misleading info. Patch 148098-03 indeed not included

Re: [zfs-discuss] unable to import the zpool

2012-08-02 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
so zpool import -F .. zpool import -f ... all not working? regards Sent from my iPad On Aug 2, 2012, at 7:47, Suresh Kumar sachinnsur...@gmail.com wrote: Hi Hung-sheng, It is not displaying any output, like the following. bash-3.2# zpool import -nF tXstpool bash-3.2# Thanks

Re: [zfs-discuss] unable to import the zpool

2012-08-02 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
hi can you post zpool history regards Sent from my iPad On Aug 2, 2012, at 7:47, Suresh Kumar sachinnsur...@gmail.com wrote: Hi Hung-sheng, It is not displaying any output, like the following. bash-3.2# zpool import -nF tXstpool bash-3.2# Thanks Regards, Suresh.

Re: [zfs-discuss] what have you been buying for slog and l2arc?

2012-08-03 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
Intel 311 Series Larsen Creek 20GB 2.5 SATA II SLC Enterprise Solid State Disk SSDSA2VP020G201 Average Rating (12 reviews) Write a Review Sent from my iPad On Aug 3, 2012, at 21:39, Bob Friesenhahn bfrie...@simple.dallas.tx.us wrote: On Fri, 3 Aug 2012, Karl Rossing wrote: I'm looking at

Re: [zfs-discuss] what have you been buying for slog and l2arc?

2012-08-04 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
hi may be check out stec ssd or checkout the service manual of sun zfs appliance service manual to see the read and write ssd in the system regards Sent from my iPad On Aug 3, 2012, at 22:05, Hung-Sheng Tsao (LaoTsao) Ph.D laot...@gmail.com wrote: Intel 311 Series Larsen Creek 20GB 2.5

Re: [zfs-discuss] GPU acceleration of ZFS

2011-05-10 Thread Hung-Sheng Tsao (LaoTsao) Ph. D.
IMHO, zfs need to run in all kind of HW T-series CMT server that can help sha calculation since T1 day, did not see any work in ZFS to take advantage it On 5/10/2011 11:29 AM, Anatoly wrote: Good day, I think ZFS can take advantage of using GPU for sha256 calculation, encryption and maybe