Re: [zfs-discuss] future ZFS Boot and ZFS "copies"

2007-10-09 Thread Matthew Ahrens
Jesus Cea wrote: > Would ZFS boot be able to boot from a "copies" boot dataset, when one of > the disks are failing?. Counting that ditto blocks are spread between > both disks, of course. You can not boot from a pool with multiple top-level vdevs (eg, the "copies" pool you describe). We hope to

Re: [zfs-discuss] future ZFS Boot and ZFS "copies"

2007-10-09 Thread Matthew Ahrens
Jesus Cea wrote: > Read performance [when using "zfs set copies=2" vs a mirror] would double, > and this is very nice I don't see how that could be the case. Either way, the reads should be able to fan out over the two disks. --matt ___ zfs-discuss m

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Anton B. Rang
Do you have compression turned on? If so, dd'ing from /dev/zero isn't very useful as a benchmark. (I don't recall if all-zero blocks are always detected if checksumming is turned on, but I seem to recall that they are, even if compression is off.) This message posted from opensolaris.org ___

Re: [zfs-discuss] Direct I/O ability with zfs?

2007-10-09 Thread dudekula mastan
Hi Everybody, From the last one week so many mails are exchanged on this topic. I have also one similar issue like this. I will appreciate if any one helps me on this. I have an IO test tool, which writes the data and reads the data and then compare the read data with write data

Re: [zfs-discuss] What would be the exact difference between import/mount and export/unmount ?

2007-10-09 Thread Vidya Sakar N
Mastan, Import/Export are pool level commands whereas mount/unmount are file system level commands, both serving different purposes. You would typically 'export' a pool when you want to connect the storage to a different machine and 'import' the pool there for subsequent use in that machine, which

Re: [zfs-discuss] Does bug 6602947 concern ZFS more than Gnome?

2007-10-09 Thread Matthew Ahrens
MC wrote: > Re: http://bugs.opensolaris.org/view_bug.do?bug_id=6602947 > > Specifically this part: > > [i]Create zpool /testpool/. Create zfs file system /testpool/testfs. > Right click on /testpool/testfs (filesystem) in nautilus and rename to > testfs2. > Do zfs list. Note that only /testpoo

Re: [zfs-discuss] Setting up a file server (NAS)

2007-10-09 Thread MC
> 3) Forget PCI-Express -- if you have a free PCI-X (or > PCI)-slot. Supermicro AOC-SAT2-MV8 (PCI-X cards are > (usually) plain-PCI-compatible; and this one is). It > has 8 ports, is natively plug-and-play-suported and > does not cost more than twice a si3132, and costs > only a fraction of other >

Re: [zfs-discuss] What would be the exact difference between import/mount and export/unmount ?

2007-10-09 Thread dudekula mastan
Hi All, Can any one explain this ? -Mashtan D dudekula mastan <[EMAIL PROTECTED]> wrote: Hi All, What exactly import and export commands will do ? Are they similar to mount and unmount ? How import differs from mount and how export differs from umount ?

Re: [zfs-discuss] ZFS Space Map optimalization

2007-10-09 Thread Matthew Ahrens
?ukasz wrote: > I have a huge problem with space maps on thumper. Space maps takes over 3GB > and write operations generates massive read operations. > Before every spa sync phase zfs reads space maps from disk. > > I decided to turn on compression for pool ( only for pool, not filesystems ) > a

Re: [zfs-discuss] question about uberblock blkptr

2007-10-09 Thread Matthew Ahrens
Max, Glad you figured out where your problem was. Compression does complicate things. Also, make sure you have the most recent (highest txg) uberblock. Just for the record, using MDB to print out ZFS data structures is totally sweet! We have actually been wanting to do that for about 5 years

Re: [zfs-discuss] zfs / zpool list odd results in U4

2007-10-09 Thread Matthew Ahrens
Solaris wrote: > Greetings. > > I applied the Recommended Patch Cluster including 120012-14 to a U3 > system today. I upgraded my zpool and it seems like we have some very > strange information coming from zpool list and zfs list... > > [EMAIL PROTECTED]:/]# zfs list > NAMEUSED AVAI

Re: [zfs-discuss] zfs snapshot timestamp info

2007-10-09 Thread Matthew Ahrens
Tim Spriggs wrote: > I think they are listed in order with "zfs list". That's correct, they are listed in the order taken, from oldest to newest. --matt ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinf

Re: [zfs-discuss] Possible ZFS Bug - Causes OpenSolaris Crash

2007-10-09 Thread Matthew Ahrens
If you haven't resolved this bug with the storage folks, you can file a bug at http://bugs.opensolaris.org/ --matt eric kustarz wrote: > This actually looks like a sd bug... forwarding it to the storage > alias to see if anyone has seen this... > > eric > > On Sep 14, 2007, at 12:42 PM, J Du

Re: [zfs-discuss] Setting up a file server (NAS)

2007-10-09 Thread Ima
Thanks a lot for your help everyone :) 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] Would a device list output be a reasonable feature for zpool(1)?

2007-10-09 Thread Matthew Ahrens
MC wrote: > With the arrival of ZFS, the "format" command is well on its way to > deprecation station. But how else do you list the devices that zpool can > create pools out of? > > Would it be reasonable to enhance zpool to list the vdevs that are available > to it? Perhaps as part of the he

Re: [zfs-discuss] Areca 1100 SATA Raid Controller in JBOD mode Hangs on zfs root creation

2007-10-09 Thread Kugutsumen
Updated to latest firmware 1.43-70417 ... same problem.. WARNING: arcmsr0: dma map got 'no resources' WARNING: arcmsr0: dma allocate fail WARNING: arcmsr0: dma allocate fail free scsi hba pkt WARNING: arcmsr0: dma map got 'no resources' WARNING: arcmsr0: dma allocate fail WARNING: a T

Re: [zfs-discuss] Bug 6354872 - integrated in snv_36, how about Solaris ?

2007-10-09 Thread James C. McPherson
Sergiy Kolodka wrote: > Hello, > > We're hitting this bug for few days, however SunSolve isn't really > helpful in way to fix it, it says "Integrated in Build: snv_36", I think > its Nevada, but how do I find when it was fixed in Solaris ? > Should I assume that it was fixed in -36 kernel patch a

[zfs-discuss] Bug 6354872 - integrated in snv_36, how about Solaris ?

2007-10-09 Thread Sergiy Kolodka
Hello, We're hitting this bug for few days, however SunSolve isn't really helpful in way to fix it, it says "Integrated in Build: snv_36", I think its Nevada, but how do I find when it was fixed in Solaris ? Should I assume that it was fixed in -36 kernel patch as well ? Box is running 6/06 re

[zfs-discuss] Areca 1100 SATA Raid Controller in JBOD mode Hangs on zfs root creation.

2007-10-09 Thread Kugutsumen
Just as I create a ZFS pool and copy the root partition to it the performance seems to be really good then suddenly the system hangs all my sesssions and displays on the console: Oct 10 00:23:28 sunrise arcmsr: WARNING: arcmsr0: dma map got 'no resources' Oct 10 00:23:28 sunrise arcmsr: WAR

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Frank Leers
On Tue, 2007-10-09 at 23:36 +0100, Adam Lindsay wrote: > Gary Gendel wrote: > > Norco usually uses Silicon Image based SATA controllers. > > Ah, yes, I remember hearing SI SATA multiplexer horror stories when I > was researching storage possibilities. > > However, I just heard back from Norco:

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Adam Lindsay
Gary Gendel wrote: > Norco usually uses Silicon Image based SATA controllers. Ah, yes, I remember hearing SI SATA multiplexer horror stories when I was researching storage possibilities. However, I just heard back from Norco: > Thank you for interest in Norco products. > Most of part uses by D

Re: [zfs-discuss] ZFS 60 second pause times to read 1K

2007-10-09 Thread Marc Bevand
Michael bigfoot.com> writes: > > Excellent. > > Oct 9 13:36:01 zeta1 scsi: [ID 107833 kern.warning] WARNING: > /pci 2,0/pci1022,7458 8/pci11ab,11ab 1/disk 2,0 (sd13): > Oct 9 13:36:01 zeta1 Error for Command: readError Level: Retryable > > Scrubbing now. This is on

[zfs-discuss] Moving default snapshot location

2007-10-09 Thread Walter Faleiro
Hi, We have implemented a zfs files system for home directories and have enabled it with quotas+snapshots. However the snapshots are causing an issue with the user quotas. The default snapshot files go under ~username/.zfs/snapshot, which is a part of the user file system. So if the quota is 10G an

Re: [zfs-discuss] Some test results: ZFS + SAMBA + Sun Fire X4500 (Thumper)

2007-10-09 Thread Tim Thomas
Title: Signature Will et al I added a few extra graphs to the original posting today showing the work that an individual disk was doing http://blogs.sun.com/timthomas/entry/samba_performance_on_sun_fire and ran the RAID-Z config with fewer disks just to see what happened. http://blogs.sun.c

Re: [zfs-discuss] Adding my own compression to zfs

2007-10-09 Thread roland
for those who are interested in lzo with zfs, i have made a special version of the patch taken from the zfs-fuse mailinglist: http://82.141.46.148/tmp/zfs-fuse-lzo.tgz this file contains the patch in unified diff format and also a broken out version (i.e. split into single files). maybe this m

Re: [zfs-discuss] zpool status backwards scrub progress on when using iostat

2007-10-09 Thread Wade . Stuart
[EMAIL PROTECTED] wrote on 10/09/2007 01:11:16 PM: > I am using a x4500 with a single "4*( raid2z 9 + 2)+ 2 spare" pool. > I some bad blocks on one of the disks > Oct 9 13:36:01 zeta1 scsi: [ID 107833 kern.warning] WARNING: /[EMAIL > PROTECTED], > 0/pci1022,[EMAIL PROTECTED]/pci11ab,[EMAIL PROT

[zfs-discuss] zpool status backwards scrub progress on when using iostat

2007-10-09 Thread Michael
I am using a x4500 with a single "4*( raid2z 9 + 2)+ 2 spare" pool. I some bad blocks on one of the disks Oct 9 13:36:01 zeta1 scsi: [ID 107833 kern.warning] WARNING: /[EMAIL PROTECTED],0/pci1022,[EMAIL PROTECTED]/pci11ab,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 (sd13): Oct 9 13:36:01 zeta1 Error f

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Thomas Liesner
i wanted to test some simultanious sequential writes and wrote this little snippet: #!/bin/bash for ((i=1; i<=20; i++)) do dd if=/dev/zero of=lala$i bs=128k count=32768 & done While the script was running i watched zpool iostat and measured the time between starting and stopping of the writes

Re: [zfs-discuss] ZFS file system is crashing my system

2007-10-09 Thread Prabahar Jeyaram
Hi Masthan, There was a race in the block allocation code which allocates a single disk block to two consumers. The system will trip when both the consumers try to free the block. -- Prabahar. On Oct 9, 2007, at 4:20 AM, dudekula mastan wrote: > Hi Jeyaram, > > Thanks for your reply. Can yo

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread eric kustarz
On Oct 9, 2007, at 4:25 AM, Thomas Liesner wrote: > Hi, > > i checked with $nthreads=20 which will roughly represent the > expected load and these are the results: Note, here is the description of the 'fileserver.f' workload: " define process name=filereader,instances=1 { thread name=filere

[zfs-discuss] zfs import => cannot mount 'fs' : directory is not empty

2007-10-09 Thread Alain Raimbault - SUN Microsystems France -
hello, I am having a issue with zpool import. Only some fs are mounted, some stay unmounted, see below : [EMAIL PROTECTED] # zpool import co-e34-dev cannot mount '/co-e34-dev/oracle/E34': directory is not empty cannot mount '/co-e34-dev/usr/sap': directory is not empty cannot mount '/co-e34-d

Re: [zfs-discuss] ZFS 60 second pause times to read 1K

2007-10-09 Thread Michael
Excellent. Oct 9 13:36:01 zeta1 scsi: [ID 107833 kern.warning] WARNING: /[EMAIL PROTECTED],0/pci1022,[EMAIL PROTECTED]/pci11ab,[EMAIL PROTECTED]/[EMAIL PROTECTED],0 (sd13): Oct 9 13:36:01 zeta1 Error for Command: readError Level: Retryable Scrubbing now. Big thanks gg

Re: [zfs-discuss] zfs boot issue, changing device id

2007-10-09 Thread Mark J Musante
On Mon, 8 Oct 2007, Kugutsumen wrote: > I just tried.. > mount -o rw,remount / > zpool import -f tank > mount -F zfs tank/rootfs /a > zpool status > ls -l /dev/dsk/c1t0d0s0 > # /[EMAIL PROTECTED],0/pci1000,[EMAIL PROTECTED]/[EMAIL PROTECTED],0:a > csh > setenv TERM vt100 > vi /a/boot/solaris/boot

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Gary Gendel
Norco usually uses Silicon Image based SATA controllers. The OpenSolaris driver for this has caused me enough headaches for me to replace it with a Marvell based board. I would also imagine that they use a 5 to 1 SATA multiplexer, which is not supported by any OpenSolaris driver that I've tested

Re: [zfs-discuss] ZFS 60 second pause times to read 1K

2007-10-09 Thread Gary Gendel
Are there any clues in the logs? I have had a similar problem when a disk bad block was uncovered by zfs. I've also seen this when using the Silicon Image driver without the recommended patch. The former became evident when I ran a scrub. I saw the SCSI timeout errors pop up in the "kern" sys

Re: [zfs-discuss] creating zfs-home-partitions

2007-10-09 Thread Darren J Moffat
Claus Guttesen wrote: > Hi. > > I read the zfs getting started guided at > http://www.opensolaris.org/os/community/zfs/intro/;jsessionid=A64DABB3DF86B8FDBF8A3E281C30B8B2. > > I created zpool disk1 and created disk1/home and assigned /export/home > to disk1/home as mountpoint. Then I create a user

[zfs-discuss] creating zfs-home-partitions

2007-10-09 Thread Claus Guttesen
Hi. I read the zfs getting started guided at http://www.opensolaris.org/os/community/zfs/intro/;jsessionid=A64DABB3DF86B8FDBF8A3E281C30B8B2. I created zpool disk1 and created disk1/home and assigned /export/home to disk1/home as mountpoint. Then I create a user with 'zfs create disk1/home/usernam

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Thomas Liesner
Hi, i checked with $nthreads=20 which will roughly represent the expected load and these are the results: IO Summary: 7989 ops 7914.2 ops/s, (996/979 r/w) 142.7mb/s, 255us cpu/op, 0.2ms latency BTW, smpatch is still running and further tests will get done when the system is rebooted. The fig

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Thomas Liesner
Hi, i checked with $nthreads=20 which will roughly represent the expected load and these are the results: IO Summary: 7989 ops 7914.2 ops/s, (996/979 r/w) 142.7mb/s,255us cpu/op, 0.2ms latency BTW, smpatch is still running and further tests will get done when the system is reboote

Re: [zfs-discuss] ZFS file system is crashing my system

2007-10-09 Thread dudekula mastan
Hi Jeyaram, Thanks for your reply. Can you explain more about this bug ? Regards Masthan D Prabahar Jeyaram <[EMAIL PROTECTED]> wrote: Your system seem to have hit a variant of BUG : 6458218 - http://bugs.opensolaris.org/view_bug.do?bug_id=6458218 This is fixed in Opensolaris Bui

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Casper . Dik
>[EMAIL PROTECTED] wrote: >>> If you don't have a 64bit cpu, add more ram(tm). >> >> >> Actually, no; if you have a 32 bit CPU, you must not add too much >> RAM or the kernel will run out of space to put things. > >Hrm. Do you have a working definition of "too much"? I think it would be someth

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Adam Lindsay
[EMAIL PROTECTED] wrote: >> If you don't have a 64bit cpu, add more ram(tm). > > > Actually, no; if you have a 32 bit CPU, you must not add too much > RAM or the kernel will run out of space to put things. Hrm. Do you have a working definition of "too much"? adam ___

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Casper . Dik
>If you don't have a 64bit cpu, add more ram(tm). Actually, no; if you have a 32 bit CPU, you must not add too much RAM or the kernel will run out of space to put things. Casper ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.ope

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread James C. McPherson
Adam Lindsay wrote: > Hello, Robert, > > Robert Milkowski wrote: > >> Because it offers upto 1GB of memory, 32bit shouldn't be an issue. > > Sorry, could someone expand on this? > The only received opinion I've seen on 32-bit is from the ZFS best > practice wiki, which simply says "Run ZFS on a

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Adam Lindsay
Hello, Robert, Robert Milkowski wrote: > Because it offers upto 1GB of memory, 32bit shouldn't be an issue. Sorry, could someone expand on this? The only received opinion I've seen on 32-bit is from the ZFS best practice wiki, which simply says "Run ZFS on a system that runs a 64-bit kernel."

[zfs-discuss] ZFS 60 second pause times to read 1K

2007-10-09 Thread Michael Kucharski
Every day we see pause times of sometime 60 seconds to read 1K of a file for local reads as well as NFS in a test setup. We have a x4500 setup as a single 4*( raid2z 9 + 2)+2 spare pool and have the files system mounted over v5 krb5 NFS and accessed directly. The pool is a 20TB pool and is usi

Re: [zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Robert Milkowski
Hello Adam, Tuesday, October 9, 2007, 10:15:13 AM, you wrote: AL> Hey all, AL> Has anyone else noticed Norco's recently-announced DS-520 and thought AL> ZFS-ish thoughts? It's a five-SATA, Celeron-based desktop NAS that ships AL> without an OS. AL> http://www.norcotek.com/item_detail.php?ca

Re: [zfs-discuss] About bug 6486493 (ZFS boot incompatible with

2007-10-09 Thread Robert Milkowski
Hello Pawel, Monday, October 8, 2007, 9:45:01 AM, you wrote: PJD> On Fri, Oct 05, 2007 at 08:52:17AM +0100, Robert Milkowski wrote: >> Hello Eric, >> >> Thursday, October 4, 2007, 5:54:06 PM, you wrote: >> >> ES> On Thu, Oct 04, 2007 at 05:22:58AM -0700, Ivan Wang wrote: >> >> > This bug was re

Re: [zfs-discuss] ZFS booting with Solaris (2007-08)

2007-10-09 Thread Robert Milkowski
Hello Richard, Friday, October 5, 2007, 6:41:10 PM, you wrote: RE> Robert Milkowski wrote: >> Hello Richard, >> >> Friday, September 28, 2007, 7:45:47 PM, you wrote: >> >> RE> Kris Kasner wrote: >> > 2. Back to Solaris Volume Manager (SVM), I guess. It's too bad too, > because I

[zfs-discuss] Norco's new storage appliance

2007-10-09 Thread Adam Lindsay
Hey all, Has anyone else noticed Norco's recently-announced DS-520 and thought ZFS-ish thoughts? It's a five-SATA, Celeron-based desktop NAS that ships without an OS. http://www.norcotek.com/item_detail.php?categoryid=8&modelno=ds-520 What practical impact is a 32-bit processor going to hav

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Dick Davies
Hi Thomas the point I was making was that you'll see low performance figures with 100 concurrent threads. If you set nthreads to something closer to your expected load, you'll get a more accurate figure. Also, there's a new filebench out now, see http://blogs.sun.com/erickustarz/entry/filebench

Re: [zfs-discuss] Fileserver performance tests

2007-10-09 Thread Thomas Liesner
Hi again, i did not want to compare the filebench test with the single mkfile command. Still, i was hoping to see similar numbers in the filbench stats. Any hints what i could do to further improve the performance? Would a raid1 over two stripes be faster? TIA, Tom This message posted from op