[zfs-discuss] ZFS and LiveUpgrade

2010-01-06 Thread Jan.Dreyer
and a broken /a/zones/myzonename. The errors lucreate delivers: 8< Creating snapshot for on rootpool/ROOT/s10u8-01/zo...@s10u8-2010010 <mailto:rootpool/ROOT/s10u8-01/zo...@s10u8-20100106> 6. Creating clone for rootpool/ROOT/s10u8-01/zo...@s10u8-2010010 <mailto:rootpool/ROOT/s1

Re: [zfs-discuss] rethinking RaidZ and Record size [SEC=UNCLASSIFIED]

2010-01-06 Thread Wilkinson, Alex
0n Wed, Jan 06, 2010 at 11:00:49PM -0800, Richard Elling wrote: >On Jan 6, 2010, at 10:39 PM, Wilkinson, Alex wrote: >> >>0n Wed, Jan 06, 2010 at 02:22:19PM -0800, Richard Elling wrote: >> >>> Rather, ZFS works very nicely with "hardware RAID" systems or JBODs >>>

Re: [zfs-discuss] rethinking RaidZ and Record size [SEC=UNCLASSIFIED]

2010-01-06 Thread Richard Elling
On Jan 6, 2010, at 10:39 PM, Wilkinson, Alex wrote: 0n Wed, Jan 06, 2010 at 02:22:19PM -0800, Richard Elling wrote: Rather, ZFS works very nicely with "hardware RAID" systems or JBODs iSCSI, et.al. You can happily add the Im not sure how ZFS works very nicely with say for example an EM

Re: [zfs-discuss] opensolaris lightweight install

2010-01-06 Thread Jorgen Lundman
On my NAS I use Velitium: http://sourceforge.net/projects/velitium/ which goes down to about 70MB at the smallest. (2010/01/07 15:23), Frank Cusack wrote: been searching and searching ... -- Jorgen Lundman | Unix Administrator | +81 (0)3 -5456-2687 ext 1017 (work) Shibuya-ku, T

Re: [zfs-discuss] opensolaris lightweight install

2010-01-06 Thread Masafumi Ohta
(2010/01/07 15:23), Frank Cusack wrote: been searching and searching ... i know many (most?) folks here are using opensolaris. surely most of you are not using the default heavyweight install with gnome et al.? how are you installing a minimal "server" system? i've been banging my head forever

Re: [zfs-discuss] rethinking RaidZ and Record size [SEC=UNCLASSIFIED]

2010-01-06 Thread Wilkinson, Alex
0n Wed, Jan 06, 2010 at 02:22:19PM -0800, Richard Elling wrote: >Rather, ZFS works very nicely with "hardware RAID" systems or JBODs >iSCSI, et.al. You can happily add the Im not sure how ZFS works very nicely with say for example an EMC Cx310 array ? -Alex IMPORTANT: This ema

[zfs-discuss] opensolaris lightweight install

2010-01-06 Thread Frank Cusack
been searching and searching ... i know many (most?) folks here are using opensolaris. surely most of you are not using the default heavyweight install with gnome et al.? how are you installing a minimal "server" system? i've been banging my head forever with samba and ADS and want to try open

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2010-01-06 Thread Will Murnane
On Wed, Jan 6, 2010 at 20:41, Mark Bennett wrote: > Will, > > sorry for picking an old thread, That's okay---I liked this thread ;) > but you mentioned a psu monitor to supplement the CSE-PTJBOD-CB1. > I have two of these and am interested in your design. > Oddly, the LSI backplane chipset suppor

Re: [zfs-discuss] Understanding SAS/SATA Backplanes and Connectivity

2010-01-06 Thread Mark Bennett
Will, sorry for picking an old thread, but you mentioned a psu monitor to supplement the CSE-PTJBOD-CB1. I have two of these and am interested in your design. Oddly, the LSI backplane chipset supports 2 x i2c busses that Supermicro didn't make use of for monitoring the psu's. Mark. -- This mes

Re: [zfs-discuss] (Practical) limit on the number of snapshots?

2010-01-06 Thread Robert Milkowski
On 06/01/2010 11:03, Lutz Schumann wrote: Snapshots do not impact write performance. Deletion of the snapshots seems to be also a constant operation (time taken = number of snapshots x some time). that's not entirely true. By having a snapshot you are not releasing the space forcing zfs

Re: [zfs-discuss] ZFS write bursts cause short app stalls

2010-01-06 Thread Brent Jones
On Wed, Jan 6, 2010 at 2:40 PM, Saso Kiselkov wrote: > -BEGIN PGP SIGNED MESSAGE- > Hash: SHA1 > > Buffering the writes in the OS would work for me as well - I've got RAM > to spare. Slowing down rm is perhaps one way to go, but definitely not a > real solution. On rare occasions I could s

Re: [zfs-discuss] Solaris 10 and ZFS dedupe status

2010-01-06 Thread Cindy Swearingen
A good place to review before you begin testing the new dedup features in the Nevada release is the ZFS dedup FAQ, which includes a list of known issues: http://hub.opensolaris.org/bin/view/Community+Group+zfs/dedup Thanks, Cindy On 01/05/10 08:38, Bob Friesenhahn wrote: On Mon, 4 Jan 2010,

Re: [zfs-discuss] ZFS write bursts cause short app stalls

2010-01-06 Thread Saso Kiselkov
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Buffering the writes in the OS would work for me as well - I've got RAM to spare. Slowing down rm is perhaps one way to go, but definitely not a real solution. On rare occasions I could still get lockups, leading to screwed up recordings and if its one

Re: [zfs-discuss] Supermicro AOC-SAT2-MV8 -- cfgadm won't create attach point (dsk/xxxx)

2010-01-06 Thread Mark Bennett
Check if your card has the latest firmware. Mark. -- 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] rethinking RaidZ and Record size

2010-01-06 Thread Ross Walker
On Wed, Jan 6, 2010 at 4:30 PM, Wes Felter wrote: > Michael Herf wrote: > >> I agree that RAID-DP is much more scalable for reads than RAIDZx, and >> this basically turns into a cost concern at scale. >> >> The raw cost/GB for ZFS is much lower, so even a 3-way mirror could be >> used instead of n

Re: [zfs-discuss] rethinking RaidZ and Record size

2010-01-06 Thread Richard Elling
On Jan 6, 2010, at 1:30 PM, Wes Felter wrote: Michael Herf wrote: I agree that RAID-DP is much more scalable for reads than RAIDZx, and this basically turns into a cost concern at scale. The raw cost/GB for ZFS is much lower, so even a 3-way mirror could be used instead of netapp. But this

Re: [zfs-discuss] ZFS write bursts cause short app stalls

2010-01-06 Thread Bob Friesenhahn
On Wed, 6 Jan 2010, Saso Kiselkov wrote: I'm aware of the theory and realize that deleting stuff requires writes. I'm also running on the latest b130 and write stuff to disk in large 128k chunks. The thing I was wondering about is whether there is a mechanism that might lower the I/O scheduling

Re: [zfs-discuss] raidz1 pool import failed with missing slog

2010-01-06 Thread Cindy Swearingen
Hi Yuriy, A couple of options are: 1. If you can boot this system from a system or DVD that is running at least build 128, then you can try to import the pool using the following syntax: zpool import -F -c The -F option provides a way to rollback the last few transactions. I'm not sure I un

Re: [zfs-discuss] ZFS write bursts cause short app stalls

2010-01-06 Thread Saso Kiselkov
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I'm aware of the theory and realize that deleting stuff requires writes. I'm also running on the latest b130 and write stuff to disk in large 128k chunks. The thing I was wondering about is whether there is a mechanism that might lower the I/O schedul

Re: [zfs-discuss] rethinking RaidZ and Record size

2010-01-06 Thread Wes Felter
Michael Herf wrote: I agree that RAID-DP is much more scalable for reads than RAIDZx, and this basically turns into a cost concern at scale. The raw cost/GB for ZFS is much lower, so even a 3-way mirror could be used instead of netapp. But this certainly reduces the cost advantage significantly

Re: [zfs-discuss] need a few suggestions for a poor man's ZIL/SLOG device

2010-01-06 Thread Tristan Ball
Having gotten back to the Rep and asked further questions, I'm forced to agree - the rep doesn't know what they're talking about. It does look like the Intel based 40G Kinsgston may not yet be available in australia. What a drag. :-) T On 6/01/2010 10:46 PM, Al Hopper wrote: On Tue, Jan 5,

Re: [zfs-discuss] need a few suggestions for a poor man's ZIL/SLOG device

2010-01-06 Thread Thomas Burgess
> meandering off topic here ... > > i use one of those 64G kingston jmicron/toshiba drives in my mac. > > The "stuttering" problems attributed to the older jmicron drives are > non-existent with this one in my experience. > > This is great news. I've read this but it's good to know that someone on

Re: [zfs-discuss] need a few suggestions for a poor man's ZIL/SLOG device

2010-01-06 Thread Dan Pritts
On Mon, Jan 04, 2010 at 08:33:23PM -0600, Al Hopper wrote: > On Mon, Jan 4, 2010 at 4:39 PM, Thomas Burgess wrote: > > > > I'm PRETTY sure the kingston drives i ordered are as good/better > > > > i just didnt' know that they weren't "good enough" > > I disagree that those drives are "good enough"

[zfs-discuss] zpool split

2010-01-06 Thread Jerry K
zpool split http://blogs.sun.com/mmusante/entry/seven_years_of_good_luck I came across this around noon today, originally on http://c0t0d0s0.org . More here: http://opensolaris.org/jive/thread.jspa?threadID=113685&tstart=60 Too bad this probably won't make it to the final release of OpenSola

Re: [zfs-discuss] ZFS write bursts cause short app stalls

2010-01-06 Thread Bob Friesenhahn
On Wed, 6 Jan 2010, Saso Kiselkov wrote: I've encountered a new problem on the opposite end of my app - the write() calls to disk sometimes block for a terribly long time (5-10 seconds) when I start deleting stuff on the filesystem where my recorder processes are writing. Looking at iostat I can

Re: [zfs-discuss] Solaris installation Exiting (caught signal 11 ) and reboot crashes

2010-01-06 Thread Richard Elling
Note to self: drink coffee before posting :-) Thanks Glenn, et.al. -- richard On Jan 6, 2010, at 9:54 AM, Glenn Lagasse wrote: * Richard Elling (richard.ell...@gmail.com) wrote: Hi Pradeep, This is the ZFS forum. You might have better luck on the caiman- discuss forum which is where the fol

Re: [zfs-discuss] ZFS write bursts cause short app stalls

2010-01-06 Thread Saso Kiselkov
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 I've encountered a new problem on the opposite end of my app - the write() calls to disk sometimes block for a terribly long time (5-10 seconds) when I start deleting stuff on the filesystem where my recorder processes are writing. Looking at iostat I

Re: [zfs-discuss] zpool destroy -f hangs system, now zpool import hangs system.

2010-01-06 Thread Carl Rathman
On Tue, Jan 5, 2010 at 10:35 AM, Carl Rathman wrote: > On Tue, Jan 5, 2010 at 10:12 AM, Richard Elling > wrote: >> On Jan 5, 2010, at 7:54 AM, Carl Rathman wrote: >> >>> I didn't mean to destroy the pool.  I used zpool destroy on a zvol, >>> when I should have used zfs destroy. >>> >>> When I use

Re: [zfs-discuss] Solaris installation Exiting (caught signal 11 ) and reboot crashes

2010-01-06 Thread Glenn Lagasse
* Richard Elling (richard.ell...@gmail.com) wrote: > Hi Pradeep, > This is the ZFS forum. You might have better luck on the caiman-discuss > forum which is where the folks who work on the installers hang out. Except, that's not where the people who work on the legacy Solaris 10 installers hang out

Re: [zfs-discuss] hard drive choice, TLER/ERC/CCTL

2010-01-06 Thread Bob Friesenhahn
On Wed, 6 Jan 2010, R.G. Keen wrote: I probably won't ever trust these drives; they were just convenient for the test system, and may have the advantage (?!) of more failures to try out the beauties of zfs. The drives are probably just fine. Most likely Seagate "unbricked" them and install

Re: [zfs-discuss] Solaris installation Exiting (caught signal 11 ) and reboot crashes

2010-01-06 Thread Richard Elling
Hi Pradeep, This is the ZFS forum. You might have better luck on the caiman-discuss forum which is where the folks who work on the installers hang out. -- richard On Jan 6, 2010, at 5:26 AM, Pradeep wrote: Hi , I am trying to install solaris10 update8 on a san array using solaris jumpst

Re: [zfs-discuss] ZFS iSCSI volume problems

2010-01-06 Thread John Horton
Well that wasn't it, but it got me doing better Google searches...I have a Realtek rge0 interface... http://opensolaris.org/jive/thread.jspa?messageID=439296 . I wasn't considering the net interface because the problem didn't manifest for me until I turned zfs compression on. http://sigtar.com/

Re: [zfs-discuss] $100 SSD = >5x faster dedupe

2010-01-06 Thread Marty Scholes
Michael Herf wrote: > I've written about my slow-to-dedupe RAIDZ. > > After a week of.waitingI finally bought a > little $100 30G OCZ > Vertex and plugged it in as a cache. > > After <2 hours of warmup, my zfs send/receive rate on > the pool is > >16MB/sec (reading and writing each at 16M

Re: [zfs-discuss] ZFS iSCSI volume problems

2010-01-06 Thread Tiernan OToole
stupid question, but it wouldent by any chance be an Intel Network adapter? had a weird problem on Windows which had the same issue... new net driver solved the problem... wonder if the Intel drive has the same problem on Solaris... --Tiernan On Wed, Jan 6, 2010 at 2:28 PM, John wrote: > I'm us

Re: [zfs-discuss] hard drive choice, TLER/ERC/CCTL

2010-01-06 Thread R.G. Keen
Well, there had to be some reason that they had enough of them come back to run a "recertifying" program. 8-) I rather expected something of that sort; thanks for doing the homework for me! I appreciate the help. I probably won't ever trust these drives; they were just convenient for the test

[zfs-discuss] ZFS iSCSI volume problems

2010-01-06 Thread John
I'm using snv_111 to host iSCSI for my backups. This went fine until I enabled compression on the volume. About halfway through a backup (~250gb done), Solaris loses its network connection with no errors logged (/var/adm/messages and /var/log/* with no entries for an hour preceding). After refor

[zfs-discuss] Solaris installation Exiting (caught signal 11 ) and reboot crashes

2010-01-06 Thread Pradeep
Hi , I am trying to install solaris10 update8 on a san array using solaris jumpstart server . My configuration is - > san install on a array disk using Mellanox Infinihost card -> Modified x86.miniroot with hermon and ib packages -> Used solaris jumpstart server for installation Installatio

Re: [zfs-discuss] Problems with send/receive

2010-01-06 Thread John Meyer
Looks like this part got cut off somehow: the filesystem mount point is set to /usr/local/local. I just want to do a simple backup/restore, can anyone tell me something obvious that I'm not doing right? Using OpenSolaris development build 130. Thanks, John -- This message posted from opensol

[zfs-discuss] Problems with send/receive

2010-01-06 Thread John Meyer
Hi Folks -- I'm an old ZFS user, but brand new to send/receive for backing up. I've created a zfs filesystem using: zfs create \ -o mountpoint=/usr/local \ -o casesensitivity=mixed \ -o nbmand=on \ -o sharesmb=ro...@192.168.1 \ rpool/local and am backing up with zfs snapshot rpool/l

Re: [zfs-discuss] need a few suggestions for a poor man's ZIL/SLOG device

2010-01-06 Thread Al Hopper
On Tue, Jan 5, 2010 at 11:57 PM, Eric D. Mudama wrote: > On Wed, Jan  6 at 14:56, Tristan Ball wrote: >> >> For those searching list archives, the SNV125-S2/40GB given below is not >> based on the Intel controller. >> >> I queried Kingston directly about this because there appears to be so >> much

Re: [zfs-discuss] (Practical) limit on the number of snapshots?

2010-01-06 Thread Lutz Schumann
Snapshots do not impact write performance. Deletion of the snapshots seems to be also a constant operation (time taken = number of snapshots x some time). However see http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6761786. When importing a pool with many snapshots (which happens dur

Re: [zfs-discuss] how do i prevent changing device names? is this even a problem in ZFS

2010-01-06 Thread Thomas Burgess
so you're saying that if i do something like fail a drive, then remove it, with my controller i'll have a crash more than likely? I can understand why sas might be better for some stuff but i thought sata was supposed to support hot swap as well.especially with the controller i chose... Don't

Re: [zfs-discuss] need a few suggestions for a poor man's ZIL/SLOG device

2010-01-06 Thread Tomas Ögren
On 06 January, 2010 - Thomas Burgess sent me these 5,8K bytes: > I think the confusing part is that the 64gb version seems to use a different > controller all together It does. > I couldn't find any SNV125-S2/40's in stock so i got 3 SNV125-S2/64's > thinking it would be the same,m only bigger..

Re: [zfs-discuss] hard drive choice, TLER/ERC/CCTL

2010-01-06 Thread Willy
Wow, that is cheap for an "enterprise class" drive. A little over 1/3 of the reviews at newegg rated this drive as very poor http://www.newegg.com/Product/ProductReview.aspx?Item=N82E16822148295 Hopefully, they've fixed whatever issues with your drives :-) Be sure to do the firmware update h

Re: [zfs-discuss] how do i prevent changing device names? is this even a problem in ZFS

2010-01-06 Thread Mark Bennett
The earlier (2008) Opensolaris drivers tended to crash the server if you pulled out an active drive. It may have improved in later releases. In the case of the Sun Storage Appliances, the sata (and sas) drivers used are different from those in Opensolaris and are considerably better featured. My