Re: [zfs-discuss] Cannot format 2.5TB ext disk (EFI)

2011-06-23 Thread Jim Dunham
my sys or >>> the server I am trying to attach the disk to. >> >> Did you try to do as Jim Dunham said? >> >> zpool create test_pool c5t0d0p0 >> zpool destroy test_pool >> format -e c5t0d0p0 >> partition >>

Re: [zfs-discuss] Cannot format 2.5TB ext disk (EFI)

2011-06-22 Thread Jim Dunham
Kitty, > I am trying to mount a WD 2.5TB external drive (was IFS:NTFS) to my OSS box. > > After connecting it to my Ultra24, I ran "pfexec fdisk /dev/rdsk/c5t0d0p0" and > changed the Type to EFI. Then, "format -e" or "format" showed the disk was > config > with 291.10GB only. The following mess

Re: [zfs-discuss] Modify stmf_sbd_lu properties

2011-05-10 Thread Jim Dunham
Don, > Is it possible to modify the GUID associated with a ZFS volume imported into > STMF? > > To clarify- I have a ZFS volume I have imported into STMF and export via > iscsi. I have a number of snapshots of this volume. I need to temporarily go > back to an older snapshot without removing a

Re: [zfs-discuss] Slices and reservations Was: Re: How long should an empty destroy take? snv_134

2011-03-07 Thread Jim Dunham
Edward Ned Harvey wrote: >> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- >> boun...@opensolaris.org] On Behalf Of Brandon High >> >> Write caching will be disabled on devices that use slices. It can be >> turned back on by using format -e > > My experience has been, despite wha

Re: [zfs-discuss] iSCSI initiator question

2011-02-26 Thread Jim Dunham
Roy, > Sorry for crossposting, but I'm not really sure where this question belongs. > > I'm trying to troubleshoot a connection from an s10 box to a SANRAD iSCSI > concentrator. After some network issues on the switch, the s10 box seems to > lose iSCSI connection to the SANRAD box. The error me

Re: [zfs-discuss] existing performance data for on-disk dedup?

2011-02-14 Thread Jim Dunham
Hi Janice, > Hello. I am looking to see if performance data exists for on-disk dedup. I > am currently in the process of setting up some tests based on input from > Roch, but before I get started, thought I'd ask here. I find it somewhat interesting that you are asking this question on behalf

Re: [zfs-discuss] L2ARC - shared or associated with a pool?

2011-01-12 Thread Jim Dunham
Roy, > Hi all > > There was some discussion on #opensolaris recently about L2ARC being > dedicated to a pool, or shared. I figured since it's associated with a pool, > it must be local, but I really don't know. An L2ARC is made up of one or more "Cache Devices" associated with a single ZFS st

Re: [zfs-discuss] zpool import is this safe to use "-f" option in this case ?

2010-11-16 Thread Jim Dunham
Tim, > > On Wed, Nov 17, 2010 at 10:12 AM, Jim Dunham wrote: > sridhar, > > > I have done the following (which is required for my case) > > > > Created a zpool (smpool) on a device/LUN from an array (IBM 6K) on host1 > > created a array level snapshot of

Re: [zfs-discuss] Faster than 1G Ether... ESX to ZFS

2010-11-16 Thread Jim Dunham
On Nov 16, 2010, at 6:37 PM, Ross Walker wrote: > On Nov 16, 2010, at 4:04 PM, Tim Cook wrote: >> AFAIK, esx/i doesn't support L4 hash, so that's a non-starter. > > For iSCSI one just needs to have a second (third or fourth...) iSCSI session > on a different IP to the target and run mpio/mpxio/m

Re: [zfs-discuss] zpool import is this safe to use "-f" option in this case ?

2010-11-16 Thread Jim Dunham
sridhar, > I have done the following (which is required for my case) > > Created a zpool (smpool) on a device/LUN from an array (IBM 6K) on host1 > created a array level snapshot of the device using "dscli" to another device > which is successful. > Now I make the snapshot device visible to anot

Re: [zfs-discuss] adding new disks and setting up a raidz2

2010-10-14 Thread Jim Dunham
Derek, > I am relatively new to OpenSolaris / ZFS (have been using it for maybe 6 > months). I recently added 6 new drives to one of my servers and I would like > to create a new RAIDZ2 pool called 'marketData'. > > I figured the command to do this would be something like: > > zpool create mar

Re: [zfs-discuss] ZFS pool issues with COMSTAR

2010-10-08 Thread Jim Dunham
On Oct 8, 2010, at 2:06 AM, Wolfraider wrote: > We have a weird issue with our ZFS pool and COMSTAR. The pool shows online > with no errors, everything looks good but when we try to access zvols shared > out with COMSTAR, windows reports that the devices have bad blocks. > Everything has been

Re: [zfs-discuss] Finding corrupted files

2010-10-06 Thread Jim Dunham
Budy, > No - not a trick question., but maybe I didn't make myself clear. > Is there a way to discover such bad files other than trying to actually read > from them one by one, say using cp or by sending a snapshot elsewhere? As noted by your original email, ZFS reports on any corruption using t

Re: [zfs-discuss] [storage-discuss] iscsitgtd failed request to share on zpool import after upgrade from b104 to b134

2010-05-05 Thread Jim Dunham
t; 2010/5/4 Przemyslaw Ceglowski >> mailto:prze...@ceglowski.net>> >> Jim, >> >> On May 4, 2010, at 3:45 PM, Jim Dunham wrote: >> >>>> >>>> On May 4, 2010, at 2:43 PM, Richard Elling wrote: >>>> >>>>> On

Re: [zfs-discuss] [storage-discuss] iscsitgtd failed request to share on zpool import after upgrade from b104 to b134

2010-05-04 Thread Jim Dunham
Przem, > On May 4, 2010, at 2:43 PM, Richard Elling wrote: > >> On May 4, 2010, at 5:19 AM, Przemyslaw Ceglowski wrote: >> >>> It does not look like it is: >>> >>> r...@san01a:/export/home/admin# svcs -a | grep iscsi >>> online May_01 svc:/network/iscsi/initiator:default >>> online

Re: [zfs-discuss] iscsi/comstar performance

2009-10-19 Thread Jim Dunham
Frank Middleton wrote: On 10/13/09 18:35, Albert Chin wrote: Maybe this will help: http://mail.opensolaris.org/pipermail/storage-discuss/2009-September/007118.html Well, it does seem to explain the scrub problem. I think it might also explain the slow boot and startup problem - the VM only

Re: [zfs-discuss] sndradm ZFS cluster 3.2

2009-09-08 Thread Jim Dunham
Mohammed Al Basti wrote: hello experts, i have cluster3.2/ZFS and AVS4 in main site and ZFS/AVS4 in DR , i am trying to replicate ZFS volumes using AVS, i am getting the below error "sndradm: Error: volume "/dev/rdsk/ c4t600A0B80005B1E5702934A27A8CCd0s0" is not part of a dis

Re: [zfs-discuss] Is it possible to replicate an entire zpool with AVS?

2009-08-20 Thread Jim Dunham
Paul, Is it possible to replicate an entire zpool with AVS? Yes. http://blogs.sun.com/AVS/entry/is_it_possible_to_replicate - Jim From what I see, you can replicate a zvol, because AVS is filesystem agnostic. I can create zvols within a pool, and AVS can replicate replicate those, but th

Re: [zfs-discuss] shareiscsi not sharing

2009-05-28 Thread Jim Dunham
Ian, Ian Collins wrote: I have a volume in a pool that was created under Solaris 10 update 6 that I was sharing over iSCSI to some VMs. The pool in now imported on an update 7 system. For some reason, the volume won't share. shareiscsi is on, but iscsiadm list target shows nothing.

Re: [zfs-discuss] AVS and ZFS demos - link broken?

2009-03-19 Thread Jim Dunham
James, The links to the Part 1 and Part 2 demos on this page (http://www.opensolaris.org/os/project/avs/Demos/ ) appear to be broken. http://www.opensolaris.org/os/project/avs/Demos/AVS-ZFS-Demo-V1/ http://www.opensolaris.org/os/project/avs/Demos/AVS-ZFS-Demo-V2/ They still work for me. What

Re: [zfs-discuss] Comstar production-ready?

2009-03-13 Thread Jim Dunham
On Mar 4, 2009, at 7:04 AM, Jacob Ritorto wrote: Caution: I built a system like this and spent several weeks trying to get iscsi share working under Solaris 10 u6 and older. It would work fine for the first few hours but then performance would start to degrade, eventually becoming so poor as to

Re: [zfs-discuss] [storage-discuss] ZFS and SNDR..., now I'm confused.

2009-03-06 Thread Jim Dunham
Nicolas, On Fri, Mar 06, 2009 at 10:05:46AM -0700, Neil Perrin wrote: On 03/06/09 08:10, Jim Dunham wrote: A simple test I performed to verify this, was to append to a ZFS file (no synchronous filesystem options being set) a series of blocks with a block order pattern contained within. At

Re: [zfs-discuss] ZFS and SNDR..., now I'm confused.

2009-03-06 Thread Jim Dunham
Andrew, Jim Dunham wrote: ZFS the filesystem is always on disk consistent, and ZFS does maintain filesystem consistency through coordination between the ZPL (ZFS POSIX Layer) and the ZIL (ZFS Intent Log). Unfortunately for SNDR, ZFS caches a lot of an applications filesystem data in the

[zfs-discuss] ZFS and SNDR..., now I'm confused.

2009-03-06 Thread Jim Dunham
A recent increase in email about ZFS and SNDR (the replication component of Availability Suite), has given me reasons to post one of my replies. Well, now I'm confused! A collegue just pointed me towards your blog entry about SNDR and ZFS which, until now, I thought was not a supported co

Re: [zfs-discuss] need to add space to zfs pool that's part of SNDR replication

2009-02-02 Thread Jim Dunham
BJ Quinn wrote: > Then what if I ever need to export the pool on the primary server > and then import it on the replicated server. Will ZFS know which > drives should be part of the stripe even though the device names > across servers may not be the same? Yes, "zpool import " will figur

Re: [zfs-discuss] Two-level ZFS

2009-02-01 Thread Jim Dunham
ter solution. Jim Dunham Engineering Manager Sun Microsystems, Inc. Storage Platform Software Group > What's required > to make it work? Consider a file server running ZFS that exports a > volume with Iscsi. Consider also an application server that imports > the LUN with

Re: [zfs-discuss] Oracle raw volumes

2009-02-01 Thread Jim Dunham
Stefan, > one question related with this: would KAIO be supported on such > configuration ? Yes, but not as one might expect. As seen from the truss output below, the call to kaio() fails with EBADFD, a direct result of the fact that for ZFS its cb_ops interface for asynchronous read and w

Re: [zfs-discuss] need to add space to zfs pool that's part of SNDR replication

2009-01-29 Thread Jim Dunham
ks! > -- > This message posted from opensolaris.org > _______ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Engineering Manager Storage Platform S

Re: [zfs-discuss] need to add space to zfs pool that's part of SNDR replication

2009-01-28 Thread Jim Dunham
ed from opensolaris.org > ___________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Engineering Manager Storage Platform Software Group Sun Microsystems, Inc. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ? Changing storage pool serial number

2009-01-27 Thread Jim Dunham
Hi Tim, > I took a look at the archives and I have seen a few threads about > using > array block level snapshots with ZFS and how we face the "old issue" > that we used to see with logical volumes and unique IDs (quite > correctly) stopping the same volume being presented twice to the same > se

Re: [zfs-discuss] [storage-discuss] AVS on opensolaris 2008.11

2009-01-26 Thread Jim Dunham
Richard Elling wrote: > Jim Dunham wrote: >> Ahmed, >> >>> The setup is not there anymore, however, I will share as much >>> details >>> as I have documented. Could you please post the commands you have >>> used >>> and any differen

Re: [zfs-discuss] [storage-discuss] AVS on opensolaris 2008.11

2009-01-26 Thread Jim Dunham
Ahmed, > The setup is not there anymore, however, I will share as much details > as I have documented. Could you please post the commands you have used > and any differences you think might be important. Did you ever test > with 2008.11 ? instead of sxce ? Specific to the following: >>> While we

Re: [zfs-discuss] [storage-discuss] AVS on opensolaris 2008.11

2009-01-25 Thread Jim Dunham
Ahmed, > Thanks for your informative reply. I am involved with kristof > (original poster) in the setup, please allow me to reply below > >> Was the follow 'test' run during resynchronization mode or >> replication >> mode? >> > > Neither, testing was done while in logging mode. This was chosen

Re: [zfs-discuss] [storage-discuss] AVS on opensolaris 2008.11

2009-01-24 Thread Jim Dunham
Kristof, > Jim Yes, in step 5 commands were executed on both nodes. > > We did some more tests with opensolaris 2008.11. (build 101b) > > We managed to get AVS setup up and running, but we noticed that > performance was really bad. > > When we configured a zfs volume for replication, we noticed

Re: [zfs-discuss] replace same sized disk fails with too small error

2009-01-19 Thread Jim Dunham
Richard, > Ross wrote: >> The problem is they might publish these numbers, but we really have >> no way of controlling what number manufacturers will choose to use >> in the future. >> >> If for some reason future 500GB drives all turn out to be slightly >> smaller than the current ones you'

Re: [zfs-discuss] Aggregate Pool I/O

2009-01-17 Thread Jim Dunham
Brad, > I'd like to track a server's ZFS pool I/O throughput over time. > What's a good data source to use for this? I like zpool iostat for > this, but if I poll at two points in time I would get a number since > boot (e.g. 1.2M) and a current number (e.g. 1.3K). If I use the > current nu

Re: [zfs-discuss] zfs & iscsi sustained write performance

2009-01-12 Thread Jim Dunham
Roch Bourbonnais wrote: Le 4 janv. 09 à 21:09, milosz a écrit : thanks for your responses, guys... the nagle's tweak is the first thing i did, actually. not sure what the network limiting factors could be here... there's no switch, jumbo frames are on... maybe it's the e1000g driver? it's bee

Re: [zfs-discuss] ZFS, Kernel Panic on import

2008-11-07 Thread Jim Dunham
Andrew, > I woke up yesterday morning, only to discover my system kept > rebooting.. > > It's been running fine for the last while. I upgraded to snv 98 a > couple weeks back (from 95), and had upgraded my RaidZ Zpool from > version 11 to 13 for improved scrub performance. > > After some res

Re: [zfs-discuss] [storage-discuss] Help with bizarre S10U5 / zfs / iscsi / thumper / Oracle RAC problem

2008-11-04 Thread Jim Dunham
George, > I'm looking for any pointers or advice on what might have happened > to cause the following problem... To run Oracle RAC on iSCSI Target LUs, accessible by three or more iSCSI Initiator nodes, requires support for SCSI-3 Persistent Reservations. This functionality was added to OpenS

Re: [zfs-discuss] ZFS-over-iSCSI performance testing (with low random access results)...

2008-10-20 Thread Jim Dunham
t; -- > -Gary Mills--Unix Support--U of M Academic Computing and > Networking- > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Replication Question

2008-10-10 Thread Jim Dunham
iscuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] An slog experiment (my NAS can beat up your NAS)

2008-10-08 Thread Jim Dunham
sed or controller based mirroring software. > > > --Joe > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-19 Thread Jim Dunham
any new ZFS filesystem writes on the local vdev, both of which will be replicated by AVS. It is the mixture of both resilvering writes, and new ZFS filesystem writes, that make it impossible for AVS to make replication 'smarter'. > -- > Brent Jones > [EMAIL PROTECTED] > _

Re: [zfs-discuss] ZPOOL Import Problem

2008-09-17 Thread Jim Dunham
On Sep 16, 2008, at 5:39 PM, Miles Nordin wrote: >>>>>> "jd" == Jim Dunham <[EMAIL PROTECTED]> writes: > >jd> If at the time the SNDR replica is deleted the set was >jd> actively replicating, along with ZFS actively writing to the >

Re: [zfs-discuss] ZPOOL Import Problem

2008-09-13 Thread Jim Dunham
deleted the set was actively replicating, along with ZFS actively writing to the ZFS storage pool, I/O consistency will be lost, leaving ZFS storage pool in an indeterministic state on the remote node. To address this issue, prior to deleting the replicas,

Re: [zfs-discuss] Will ZFS stay consistent with AVS/ZFS and async replication

2008-09-12 Thread Jim Dunham
gt; > I would expect AVS ``sync'' mode to provide (1) and (2), so the > question is only about ``async'' mode failovers. > > so...based on my reasoning, it's UNSAFE to use AVS in async mode for > ZFS replication on any pool which needs more than 1 device to hav

Re: [zfs-discuss] ZPOOL Import Problem

2008-09-12 Thread Jim Dunham
gt; pr2# zpool import -f tank > cannot import 'tank': one or more devices is currently unavailable > pr2# > --- > > Importing on the primary gives the same error. > > Anyone have any ideas? > > Thanks > >

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-12 Thread Jim Dunham
On Sep 11, 2008, at 5:16 PM, A Darren Dunham wrote: > On Thu, Sep 11, 2008 at 04:28:03PM -0400, Jim Dunham wrote: >> >> On Sep 11, 2008, at 11:19 AM, A Darren Dunham wrote: >> >>> On Thu, Sep 11, 2008 at 10:33:00AM -0400, Jim Dunham wrote: >>>> The i

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-11 Thread Jim Dunham
On Sep 11, 2008, at 11:19 AM, A Darren Dunham wrote: > On Thu, Sep 11, 2008 at 10:33:00AM -0400, Jim Dunham wrote: >> The issue with any form of RAID >1, is that the instant a disk fails >> out of the RAID set, with the next write I/O to the remaining members >> of the R

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-11 Thread Jim Dunham
(from scratch?), and re- > replicates itself?? > > thanks in advance. > > -Matt > -- > This message posted from opensolaris.org > _______ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinf

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-11 Thread Jim Dunham
t; Microsystems and that AVS is your main concern. But if there's one > thing I cannot withstand, it's getting stroppy replies from someone > who should know better and should have realized that he's acting > publicly and in front of the people who finance his income

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-07 Thread Jim Dunham
NA, SCSA > > Tel. +49-721-91374-3963 > [EMAIL PROTECTED] - http://web.de/ > > 1&1 Internet AG > Brauerstraße 48 > 76135 Karlsruhe > > Amtsgericht Montabaur HRB 6484 > > Vorstand: Henning Ahlert, Ralph Dommermuth, Matthias Ehrlich, Thomas > Gottschlich, Matthias Greve, Robert Hoffmann, Markus Huhn,

Re: [zfs-discuss] x4500 vs AVS ?

2008-09-07 Thread Jim Dunham
| +81 (0)90-5578-8500 (cell) > Japan| +81 (0)3 -3375-1767 (home) > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/ma

Re: [zfs-discuss] Image with DD from ZFS partition

2008-05-08 Thread Jim Dunham
ate a ext2 partition and use a linux rescue > cd to backup the zfs partition with dd ? > > > This message posted from opensolaris.org > ___________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > ht

Re: [zfs-discuss] Moving zfs pool to new machine?

2008-05-07 Thread Jim Dunham
Steve, > Can someone tell me or point me to links that describe how to > do the following. > > I had a machine that crashed and I want to move to a newer machine > anyway. The boot disk on the old machine is fried. The two disks I > was > using for a zfs pool on that machine need to be moved t

Re: [zfs-discuss] iSCSI targets mapped to a VMWare ESX server

2008-04-07 Thread Jim Dunham
Mertol Ozyoney wrote: Hi All ; There are a set of issues being looked at that prevent the VMWare ESX server from working with the Solaris iSCSI Target. http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6597310 At this time there is no target date when this issues will be

Re: [zfs-discuss] Cpying between pools

2008-03-14 Thread Jim Dunham
Vahid, > We need to move about 1T of data from one zpool on EMC dmx-3000 to > another storage device (dmx-3). DMX-3 can be visible on the same > host where dmx-3000 is being used on or from another host. > What is the best way to transfer the data from dmx-3000 to dmx-3? > Is it possible to ad

Re: [zfs-discuss] iscsi core dumps when under IO

2008-02-22 Thread Jim Dunham
discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. http://blogs.sun.com/avs http://www.opensolaris.org/os/project/avs/ http://www.opensolaris.org/os/project/iscsitgt/ http://www.opensolaris.o

Re: [zfs-discuss] [Fwd: Re: Presales support on ZFS]

2008-02-11 Thread Jim Dunham
Enrico, Is there any forecast to improve the efficiency of the replication mechanisms of ZFS ? Fishwork - new NAS release I would take some time to talk with and understand exactly what the customer's expectation are for replication. i would not base my decision on the cost of replica

Re: [zfs-discuss] mounting a copy of a zfs pool /file system while orginal is still active

2008-02-04 Thread Jim Dunham
wonder why this functionality was not exposed as part of zpool support? - Jim # zpool import foopool barpool -- Darren J Moffat ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Du

Re: [zfs-discuss] ZFS replication strategies

2008-02-01 Thread Jim Dunham
zfs-discuss mailing list >> zfs-discuss@opensolaris.org >> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss >> > > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.o

Re: [zfs-discuss] [Fwd: Re: Presales support on ZFS]

2008-01-29 Thread Jim Dunham
com/storagetek/white-papers/data_replication_strategies.pdf http://www.sun.com/storagetek/white-papers/enterprise_continuity.pdf > >>> Thanks > > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolar

Re: [zfs-discuss] iscsi on zvol

2008-01-24 Thread Jim Dunham
. One more thing. ZFS and iSCSI start and stop at different times during Solaris boot and shutdown, so I would recommend using legacy mount points, or manual zpool import / exports when trying configurations at this level. Jim Dunham Storage Platform Software Group Sun Microsystems, Inc.

Re: [zfs-discuss] iscsi on zvol

2008-01-24 Thread Jim Dunham
> Jan Dreyer > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. wk: 781.442.4042 http://blogs.sun

Re: [zfs-discuss] Break a ZFS mirror and concatenate the disks

2008-01-10 Thread Jim Dunham
Kory, > Yes, I get it now. You want to detach one of the disks and then readd > the same disk, but lose the redundancy of the mirror. > > Just as long as you realize you're losing the redundancy. > > I'm wondering if zpool add will complain. I don't have a system to > try this at the moment. The

Re: [zfs-discuss] Backup/replication system

2008-01-10 Thread Jim Dunham
> _______ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. wk: 781.442.

Re: [zfs-discuss] Backup/replication system

2008-01-10 Thread Jim Dunham
_ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. wk: 781.442.4042 http://blogs.sun.com/avs http://www.opensolaris.org/os

Re: [zfs-discuss] ZFS with array-level block replication (TrueCopy, SRDF, etc.)

2007-12-14 Thread Jim Dunham
tically take a snapshot prior to re-synchronization, and automatically delete the snapshot if completed successfully. The use of I/O consistency groups assure that not only are the replicas write-order consistent during replication, but also that snapshots taken prior to re- synchroniza

Re: [zfs-discuss] iSCSI target using ZFS filesystem as backing

2007-11-21 Thread Jim Dunham
n folks want to > look at the details (case #65684887). > > I'm getting very desperate to get this fixed, as this massive > amount of storage was the only reason I got this M80... > > Any pointers would be greatly appreciated. > > Thanks- > John Tracy

Re: [zfs-discuss] ZFS mirroring

2007-10-22 Thread Jim Dunham
/ Jim Dunham Storage Platform Software Group Sun Microsystems, Inc. 1617 Southwood Drive Nashua, NH 03063 http://blogs.sun.com/avs regards Mertol Ozyoney Storage Practice - Sales Manager Sun Microsystems, TR Istanbul TR Phone +902123352200 Mobile +905339310752 Fax +90212335 Email [EMAIL

Re: [zfs-discuss] Single SAN Lun presented to 4 Hosts

2007-08-26 Thread Jim Dunham
______ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Solaris, Storage Software Group Sun Microsystems, Inc. 1617 Southwood Drive Nashua, NH 03063 Email: [EMAIL PROTECTED] htt

Re: [zfs-discuss] Mirrored zpool across network

2007-08-22 Thread Jim Dunham
oo bad the X4500 has too few PCI slots to consider buying iSCSI > cards. HBA manufactures have in the past created multi-port, and multi- function HBAs. I would expect there to be something out there, or out there soon which will address the need of limited PCI slots. > The two existing slots are already need

Re: [zfs-discuss] Mirrored zpool across network

2007-08-21 Thread Jim Dunham
Ralf, > Torrey McMahon wrote: >> AVS? >> > Jim Dunham will probably shoot me, or worse, but I recommend thinking > twice about using AVS for ZFS replication. That's is why the call this a discussion group, as it encourages differing opinions, > Basically, you only

Re: [zfs-discuss] do zfs filesystems isolate corruption?

2007-08-11 Thread Jim Dunham
__ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Solaris, Storage Software Group Sun Microsystems, Inc. 1617 Southwood Drive Nashua, NH 03063 Email: [EMAIL PROTECTED] h

Re: [zfs-discuss] Does iSCSI target support SCSI-3 PGR reservation ?

2007-07-27 Thread Jim Dunham
; zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Jim Dunham Solaris, Storage Software Group Sun Microsystems, Inc. 1617 Southwood Drive Nashua, NH 03063 Email: [EMAIL PROTECTED] http://blogs.sun.com/avs _

Re: [zfs-discuss] [AVS] Question concerning reverse synchronization of a zpool

2007-07-12 Thread Jim Dunham
nternet AG > Brauerstraße 48 > 76135 Karlsruhe > > Amtsgericht Montabaur HRB 6484 > > Vorstand: Henning Ahlert, Ralph Dommermuth, Matthias Ehrlich, > Andreas Gauger, Matthias Greve, Robert Hoffmann, Norbert Lang, > Achim Weiss > Aufsichtsratsvorsitzender: Michael Scheeren

[zfs-discuss] Re: [storage-discuss] Performance expectations of iscsi targets?

2007-06-19 Thread Jim Dunham
ool. Any help is much appreciated, paul ___ storage-discuss mailing list [EMAIL PROTECTED] http://mail.opensolaris.org/mailman/listinfo/storage-discuss Jim Dunham Solaris, Storage Software Group Sun Microsystems, Inc. 1617 Southwood Drive Nashua,

Re: [zfs-discuss] File System Filter Driver??

2007-02-26 Thread Jim Dunham
you are interested in developing an OpenSolaris project for either FS encryption or compression as a new set of filter drivers, I will post relevant information tomorrow in [EMAIL PROTECTED] Jim Dunham Rayson ___ zfs-discuss mailing list zfs

Re: [zfs-discuss] Read Only Zpool: ZFS and Replication

2007-02-05 Thread Jim Dunham
Ben Rockwood wrote: Jim Dunham wrote: Robert, Hello Ben, Monday, February 5, 2007, 9:17:01 AM, you wrote: BR> I've been playing with replication of a ZFS Zpool using the BR> recently released AVS. I'm pleased with things, but just BR> replicating the data is only part o

Re: [zfs-discuss] Read Only Zpool: ZFS and Replication

2007-02-05 Thread Jim Dunham
Robert, Hello Ben, Monday, February 5, 2007, 9:17:01 AM, you wrote: BR> I've been playing with replication of a ZFS Zpool using the BR> recently released AVS. I'm pleased with things, but just BR> replicating the data is only part of the problem. The big BR> question is: can I have a zpool op

Re: [zfs-discuss] Project Proposal: Availability Suite

2007-02-05 Thread Jim Dunham
Frank, On Fri, 2 Feb 2007, Torrey McMahon wrote: Jason J. W. Williams wrote: Hi Jim, Thank you very much for the heads up. Unfortunately, we need the write-cache enabled for the application I was thinking of combining this with. Sounds like SNDR and ZFS need some more soak time together befor

Re: [zfs-discuss] Read Only Zpool: ZFS and Replication

2007-02-05 Thread Jim Dunham
Ben, I've been playing with replication of a ZFS Zpool using the recently released AVS. I'm pleased with things, but just replicating the data is only part of the problem. The big question is: can I have a zpool open in 2 places? No. The ability to have a zpool open in two place would req

Re: [zfs-discuss] Project Proposal: Availability Suite

2007-01-29 Thread Jim Dunham
Jason, Thank you for the detailed explanation. It is very helpful to understand the issue. Is anyone successfully using SNDR with ZFS yet? Of the opportunities I've been involved with the answer is yes, but so far I've not seen SNDR with ZFS in a production environment, but that does not mean

Re: [zfs-discuss] Project Proposal: Availability Suite

2007-01-26 Thread Jim Dunham
volume manager or block device). So all that needs to be done is to design and build a new variant of the letter 'h', and find the place to separate ZFS into two pieces. - Jim Dunham That would be slick alternative to send/recv. Best Regards, Jason On 1/26/07, Jim Dunham <[EMA

[zfs-discuss] Project Proposal: Availability Suite

2007-01-26 Thread Jim Dunham
rage, please look for email discussion for this project at: A complete set of Availability Suite administration guides can be found at: http://docs.sun.com/app/docs?p=coll%2FAVS4.0 Project Lead: Jim Dunham http://www.opensolaris.org/viewProfile.jspa?username=jdunham Availability Suite - New So

Re: [zfs-discuss] sharing a storage array

2006-07-28 Thread Jim Dunham - Sun Microsystems
Richard Elling wrote: Danger Will Robinson... Jeff Victor wrote: Jeff Bonwick wrote: If one host failed I want to be able to do a manual mount on the other host. Multiple hosts writing to the same pool won't work, but you could indeed have two pools, one for each host, in a dual active-

Re: [zfs-discuss] How to recover the original VTOC when you used whole disk on ZFS ?

2006-07-04 Thread Jim Dunham
Jaime, On SPARC issue "format -e" (expert mode). When you now type "format", it will list the option of either an EFI labeled disk or VTOC labeled disk. Jim Hi to all, I used the whole disk with zpool on X86 and SPARC. The zpool command change de original VTOC to: * /dev/rdsk/c0t8d0s0 pa