[zfs-discuss] Re: Folders vs. ZFS

Well tank you for helping me. I will go for file systems. Even I just discovered ZFS I think is really great! All the best! This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

[zfs-discuss] Re: patch making tar multi-thread

> Hello Thomas, > > With ZFS as local file system it shouldn't be a > problem unless tar > fdsync's each file but then removing fdsyncs would be > easier. > > In case of nfs/zfs multi-threaded tar should help but > I guess not for > writes but rather for file/dirs creation and file > closes. If y

Re: [zfs-discuss] zpool split

Dick Davies wrote: On 25/01/07, Adam Leventhal <[EMAIL PROTECTED]> wrote: On Wed, Jan 24, 2007 at 08:52:47PM +, Dick Davies wrote: > that's an excellent feature addition, look forward to it. > Will it be accompanied by a 'zfs join'? Out of curiosity, what will you (or anyone else) use this

Re: [zfs-discuss] Can you turn on zfs compression when the fs is already populated?

For what it's worth, there is a plan to allow data to be scrubbed so that you can enable compression for extant data. No ETA, but it's on the roadmap. In fact, I was recently reminded that I filed a bug on this in 2004: 5029294 there should be a way to compress an extant file system Adam On W

Re: [zfs-discuss] Re: Thumper Origins Q

On Jan 25, 2007, at 17:30, Albert Chin wrote: On Thu, Jan 25, 2007 at 02:24:47PM -0600, Al Hopper wrote: On Thu, 25 Jan 2007, Bill Sommerfeld wrote: On Thu, 2007-01-25 at 10:16 -0500, Torrey McMahon wrote: So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 with ZFS, an

[zfs-discuss] high density SAS

Well Solaris SAS isn't there yet but anyway just found some interesting high density SAS/SATA enclosures. The XJ 2000 is like the x4500 in that it holds 48 drives, however with the XJ 2000 2 drives are on each carrier and you can get to them from the

Re: [zfs-discuss] Re: Thumper Origins Q

On Thu, Jan 25, 2007 at 02:24:47PM -0600, Al Hopper wrote: > On Thu, 25 Jan 2007, Bill Sommerfeld wrote: > > > On Thu, 2007-01-25 at 10:16 -0500, Torrey McMahon wrote: > > > > > > So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 > > > > with ZFS, and really wanted JBOD, your

Re[2]: [zfs-discuss] Re: Thumper Origins Q

Hello Jonathan, Thursday, January 25, 2007, 9:03:47 PM, you wrote: JE> On Jan 25, 2007, at 14:34, Bill Sommerfeld wrote: >> On Thu, 2007-01-25 at 10:16 -0500, Torrey McMahon wrote: >> So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 with ZFS, and really wan

Re: [zfs-discuss] Folders vs. ZFS

Hello Ionescu, Thursday, January 25, 2007, 11:05:25 PM, you wrote: IM> Hello, IM> I'm new to ZFS and I would like to clarify this to you. IM> Having 2 HDDs and one striping ZFS pool(data lost is not an IM> issue) on them what is best to use for storage folders in this pool or new zfs? IM> I n

Re: [zfs-discuss] Folders vs. ZFS

> I need 4-5 majors folders which will contains lots of sufolders and I > don't know if it's better to creade 4 new folders in my pool or 4 new > zfs. I don't believe that there's any performance difference. That depends on the pool which is already shared by them. If there's ever a chance that

Re: [zfs-discuss] patch making tar multi-thread

Hello Thomas, Thursday, January 25, 2007, 8:21:55 PM, you wrote: TMK> Hi everybody, TMK> many people, like myself, tested the performance of the ZFS TMK> filesystem by doing a "tar xf something.tar". Unfortunately, ZFS TMK> doesn't handle this workload pretty well as all writes are being TMK> ex

Re[2]: [zfs-discuss] zfs / nfs issue (not performance :-) with courier-imap

Hello Ben, Thursday, January 25, 2007, 9:02:53 PM, you wrote: BR> I completely agree with Robert. I'd personally suggest 'truss' to start BR> because its trivial to use, then start using DTrace to further hone down BR> the problem. I would argue that truss is simpler than dtrace in that case,

[zfs-discuss] Folders vs. ZFS

Hello, I'm new to ZFS and I would like to clarify this to you. Having 2 HDDs and one striping ZFS pool(data lost is not an issue) on them what is best to use for storage folders in this pool or new zfs? I need 4-5 majors folders which will contains lots of sufolders and I don't know if it's be

Re[2]: [zfs-discuss] Re: can I use zfs on just a partition?

Hello Toby, Thursday, January 25, 2007, 10:38:16 PM, you wrote: TT> On 25-Jan-07, at 3:56 PM, Robert Milkowski wrote: >> Hello Tim, >> >> Thursday, January 25, 2007, 4:44:34 PM, you wrote: >> >> TC> I guess I should clarify what I'm doing. >> >> TC> Essentially I'd like to have the / and swap on

Re: [zfs-discuss] Re: can I use zfs on just a partition?

On 25-Jan-07, at 3:56 PM, Robert Milkowski wrote: Hello Tim, Thursday, January 25, 2007, 4:44:34 PM, you wrote: TC> I guess I should clarify what I'm doing. TC> Essentially I'd like to have the / and swap on the first 60GB of TC> the disk. Then use the remaining 100GB as a zfs partition to

[zfs-discuss] Re: Re: Re: can I use zfs on just a partition?

Thank you lori! Guess I'll take that route :) The final solution is actually a production environment. For now I was going to stage, but it looks like it's not possible at this point in time. This message posted from opensolaris.org ___ zfs-discu

Re: [zfs-discuss] Re: Re: can I use zfs on just a partition?

Tim Cook wrote: does liveupgrade work fine if the zones are on a UFS partition? Starting with build 53 (or was it 54?), yes. Liveupgrade of systems with zones is now supported. Lori ___ zfs-discuss mailing list zfs-discuss@opensolaris.org ht

Re: [zfs-discuss] zpool split

Darren J Moffat wrote: What problem are you actually trying to solve ? Just because you did something this way in the SVM world doesn't mean that there should be a 1:1 in the ZFS world - there might be but it doesn't follow that there should be. If I had to guess... I want to quickly sh

Re: [zfs-discuss] zfs / nfs issue (not performance :-) with courier-imap

On Jan 25, 2007, at 1:02 PM, Ben Rockwood wrote: Robert Milkowski wrote: CLSNL> but if I click, say E, it has F's contents, F has Gs contents, and no CLSNL> mail has D's contents that I can see. But the list in the mail CLSNL> client list view is correct. I don't belive it's a problem wi

Re: [zfs-discuss] Re: Thumper Origins Q

On Thu, 25 Jan 2007, Bill Sommerfeld wrote: > On Thu, 2007-01-25 at 10:16 -0500, Torrey McMahon wrote: > > > > So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 > > > with ZFS, and really wanted JBOD, your only choice would be a RAID 0 > > > config on the 6140? > > > > Why wou

[zfs-discuss] Re: Re: How much do we really want zpool remove?

> > The other point is, how many other volume management systems allow you > > to remove disks? I bet if the answer is not zero, it's not large. ;) > > As far as Solaris is concerned, I'm only aware of two significant such > systems. SVM and VxVM. Correct, in our case we've been using VxVM for ye

[zfs-discuss] Re: Re: can I use zfs on just a partition?

does liveupgrade work fine if the zones are on a UFS partition? 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] Re: Thumper Origins Q

On Jan 25, 2007, at 14:34, Bill Sommerfeld wrote: On Thu, 2007-01-25 at 10:16 -0500, Torrey McMahon wrote: So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 with ZFS, and really wanted JBOD, your only choice would be a RAID 0 config on the 6140? Why would you want to

Re: [zfs-discuss] zfs / nfs issue (not performance :-) with courier-imap

Robert Milkowski wrote: CLSNL> but if I click, say E, it has F's contents, F has Gs contents, and no CLSNL> mail has D's contents that I can see. But the list in the mail CLSNL> client list view is correct. I don't belive it's a problem with nfs/zfs server. Please try with simple dtrace script

Re[2]: [zfs-discuss] Re: can I use zfs on just a partition?

On Thu, 25 Jan 2007, Robert Milkowski wrote: > Hello Al, > > Thursday, January 25, 2007, 6:52:58 PM, you wrote: > > AH> On Thu, 25 Jan 2007, Darren J Moffat wrote: > > >> Tim Cook wrote: > >> > I guess I should clarify what I'm doing. > >> > > >> > Essentially I'd like to have the / and swap on th

Re: [zfs-discuss] Re: Thumper Origins Q

On Thu, 2007-01-25 at 10:16 -0500, Torrey McMahon wrote: > > So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 > > with ZFS, and really wanted JBOD, your only choice would be a RAID 0 > > config on the 6140? > > Why would you want to treat a 6140 like a JBOD? (See the previou

[zfs-discuss] patch making tar multi-thread

Hi everybody, many people, like myself, tested the performance of the ZFS filesystem by doing a "tar xf something.tar". Unfortunately, ZFS doesn't handle this workload pretty well as all writes are being executed sequentially. So some people requested a multi-threaded tar... Well, here it come

Re: [zfs-discuss] Re: How much do we really want zpool remove?

> The other point is, how many other volume management systems allow you > to remove disks? I bet if the answer is not zero, it's not large. ;) As far as Solaris is concerned, I'm only aware of two significant such systems. SVM and VxVM. SVM doesn't really manage disks per-se. So there's real

Re: [zfs-discuss] Re: can I use zfs on just a partition?

Tim Cook wrote: I guess I should clarify what I'm doing. Essentially I'd like to have the / and swap on the first 60GB of the disk. Then use the remaining 100GB as a zfs partition to setup zones on. Obviously the snapshots are extremely useful in such a setup :) Does my plan sound feasible

Re[2]: [zfs-discuss] Re: can I use zfs on just a partition?

Hello Al, Thursday, January 25, 2007, 6:52:58 PM, you wrote: AH> On Thu, 25 Jan 2007, Darren J Moffat wrote: >> Tim Cook wrote: >> > I guess I should clarify what I'm doing. >> > >> > Essentially I'd like to have the / and swap on the first 60GB of the >> > disk. Then use the remaining 100GB as

Re: [zfs-discuss] Re: How much do we really want zpool remove?

> The ability to shrink a pool by removing devices is the only reason my > enterprise is not yet using ZFS, simply because it prevents us from easily > migrating storage. Being able to do this would be very high on my wishlist from the perspective of a home user. But also from the perspective of

[zfs-discuss] Re: Re: can I use zfs on just a partition?

I'm thinking that if that is the case I'll just be dd'ing to a new disk and continuing on with it. Obviously this is not the preferred solution, but unless they're willing to let me send my own hardware, I don't have much of a choice. This message posted from opensolaris.org ___

Re: [zfs-discuss] Re: can I use zfs on just a partition?

Hello Tim, Thursday, January 25, 2007, 4:44:34 PM, you wrote: TC> I guess I should clarify what I'm doing. TC> Essentially I'd like to have the / and swap on the first 60GB of TC> the disk. Then use the remaining 100GB as a zfs partition to TC> setup zones on. Obviously the snapshots are extre

RE: [zfs-discuss] Re: can I use zfs on just a partition?

It's a third party host, and I've been informed the cases they use only have room available for one hard drive. It's definitely not my first choice, but it's the only option I have at this point. Tim Cook -Original Message- From: Al Hopper [mailto:[EMAIL PROTECTED] Sent: Thursday, Janu

Re: [zfs-discuss] Thumper Origins Q

On Thu, Jan 25, 2007 at 09:52:05AM -0800, Richard Elling wrote: > Nicolas Williams wrote: > >The only benefit of using a HW RAID controller with ZFS is that it > >reduces the I/O that the host needs to do, but the trade off is that ZFS > >cannot do combinatorial parity reconstruction so that it cou

[zfs-discuss] Re: Re: can I use zfs on just a partition?

When you do the initial install, how do you do the slicing? Just create like: / 10G swap 2G /altroot 10G /zfs restofdisk Or do you just create the first three slices and leave the rest of the disk untouched? I understand the concept at this point, just trying to explain to a third party exactl

Re: [zfs-discuss] Re: can I use zfs on just a partition?

On Thu, 25 Jan 2007, Darren J Moffat wrote: > Tim Cook wrote: > > I guess I should clarify what I'm doing. > > > > Essentially I'd like to have the / and swap on the first 60GB of the > > disk. Then use the remaining 100GB as a zfs partition to setup zones > > on. Obviously the snapshots are ext

Re: [zfs-discuss] Thumper Origins Q

Nicolas Williams wrote: On Thu, Jan 25, 2007 at 10:57:17AM +0800, Wee Yeh Tan wrote: On 1/25/07, Bryan Cantrill <[EMAIL PROTECTED]> wrote: ... after all, what was ZFS going to do with that expensive but useless hardware RAID controller? ... I almost rolled over reading this. This is exactly

Re: [zfs-discuss] Re: How much do we really want zpool remove?

On Thu, Jan 25, 2007 at 11:35:54AM -0600, Al Hopper wrote: > On Thu, 25 Jan 2007, SteveW wrote: > > ... reformatted ... > > The ability to shrink a pool by removing devices is the only reason my > > enterprise is not yet using ZFS, simply because it prevents us from > > easily migrating storage. >

Re: [zfs-discuss] Re: can I use zfs on just a partition?

On Thu, Jan 25, 2007 at 05:46:09PM +, Darren J Moffat wrote: > > > >Does my plan sound feasible from both a usability and performance > >standpoint? > > That is exactly what I do on my laptop, with one exception. For me it > isn't just my zones on ZFS but also my home directory and my build

Re: [zfs-discuss] Re: can I use zfs on just a partition?

Tim Cook wrote: I guess I should clarify what I'm doing. Essentially I'd like to have the / and swap on the first 60GB of the disk. Then use the remaining 100GB as a zfs partition to setup zones on. Obviously the snapshots are extremely useful in such a setup :) Does my plan sound feasible

Re: [zfs-discuss] Re: How much do we really want zpool remove?

On Thu, 25 Jan 2007, SteveW wrote: ... reformatted ... > The ability to shrink a pool by removing devices is the only reason my > enterprise is not yet using ZFS, simply because it prevents us from > easily migrating storage. That logic is totally bogus AFAIC. There are so many advantages to run

Re: [zfs-discuss] Re: can I use zfs on just a partition?

Tim Cook wrote: I guess I should clarify what I'm doing. Essentially I'd like to have the / and swap on the first 60GB of the disk. Then use the remaining 100GB as a zfs partition to setup zones on. Obviously the snapshots are extremely useful in such a setup :) Does my plan sound feasible

Re: [zfs-discuss] Re: can I use zfs on just a partition?

Hi Tim, > Essentially I'd like to have the / and swap on the first 60GB of the disk. > Then use the remaining 100GB as a zfs partition to setup zones on. Obviously > the snapshots are extremely useful in such a setup :) > > Does my plan sound feasible from both a usability and performance sta

Re: [zfs-discuss] zfs / nfs issue (not performance :-) with courier-imap

Hello Chad, Thursday, January 25, 2007, 9:14:24 AM, you wrote: CLSNL> I am not sure if this is a zfs issue, and nfs issue, or a combination CLSNL> of the two, or not an issue with them per se (caching or whatever), CLSNL> or a courier-imap issue, or even a mail client issue. CLSNL> However, th

Re: [zfs-discuss] Thumper Origins Q

On Thu, Jan 25, 2007 at 10:57:17AM +0800, Wee Yeh Tan wrote: > On 1/25/07, Bryan Cantrill <[EMAIL PROTECTED]> wrote: > >... > >after all, what was ZFS going to do with that expensive but useless > >hardware RAID controller? ... > > I almost rolled over reading this. > > This is exactly what I we

Re: [zfs-discuss] Re: Thumper Origins Q

On January 25, 2007 11:22:41 AM -0500 Jonathan Edwards <[EMAIL PROTECTED]> wrote: On Jan 25, 2007, at 10:16, Torrey McMahon wrote: Albert Chin wrote: So there's no way to treat a 6140 as JBOD? If you wanted to use a 6140 with ZFS, and really wanted JBOD, your only choice would be a RAID 0 con

[zfs-discuss] Re: zpool split

> ...such that a snapshot (cloned if need be) won't do > what you want? Nope. We're talking about taking a whole disk in a mirror and doing something else with it, without touching the data on the other parts of the mirror. Rainer This message posted from opensolaris.org

Re: [zfs-discuss] Re: Thumper Origins Q

On Thu, Jan 25, 2007 at 10:16:47AM -0500, Torrey McMahon wrote: > Albert Chin wrote: > >On Wed, Jan 24, 2007 at 10:19:29AM -0800, Frank Cusack wrote: > > > >>On January 24, 2007 10:04:04 AM -0800 Bryan Cantrill <[EMAIL PROTECTED]> > >>wrote: > >> > >>>On Wed, Jan 24, 2007 at 09:46:11AM -0800

Re: [zfs-discuss] Re: Thumper Origins Q

On Jan 25, 2007, at 10:16, Torrey McMahon wrote: Albert Chin wrote: On Wed, Jan 24, 2007 at 10:19:29AM -0800, Frank Cusack wrote: On January 24, 2007 10:04:04 AM -0800 Bryan Cantrill <[EMAIL PROTECTED]> wrote: On Wed, Jan 24, 2007 at 09:46:11AM -0800, Moazam Raja wrote: Well, he did sa

Re: [zfs-discuss] Re: can I use zfs on just a partition?

On 1/25/07, Tim Cook <[EMAIL PROTECTED]> wrote: I guess I should clarify what I'm doing. Essentially I'd like to have the / and swap on the first 60GB of the disk. Then use the remaining 100GB as a zfs partition to setup zones on. Obviously the snapshots are extremely useful in such a setup

[zfs-discuss] Re: How much do we really want zpool remove?

The ability to shrink a pool by removing devices is the only reason my enterprise is not yet using ZFS, simply because it prevents us from easily migrating storage. This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@op

[zfs-discuss] Re: can I use zfs on just a partition?

I guess I should clarify what I'm doing. Essentially I'd like to have the / and swap on the first 60GB of the disk. Then use the remaining 100GB as a zfs partition to setup zones on. Obviously the snapshots are extremely useful in such a setup :) Does my plan sound feasible from both a usabil

Re: [zfs-discuss] can I use zfs on just a partition?

Tim Cook wrote: Just want to verify, if I have say, 1 160GB disk, can I format it so that the first say 40GB is my main UFS parition with the base OS install, and then make the rest of the disk zfs? Or even better yet, for testing purposes make two 60GB partitions out of the rest of it and ma

[zfs-discuss] Re: can I use zfs on just a partition?

Well, the system can only have one disk, so giving it the full disk isn't really an option unless they've finally gotten the whole boot from a zfs disk figured out. This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@op

Re: [zfs-discuss] can I use zfs on just a partition?

On 25/1/07 3:16, "Jeremy Teo" <[EMAIL PROTECTED]> wrote: > On 1/25/07, Tim Cook <[EMAIL PROTECTED]> wrote: >> Just want to verify, if I have say, 1 160GB disk, can I format it so that the >> first say 40GB is my main UFS parition with the base OS install, and then >> make the rest of the disk zfs?

Re: [zfs-discuss] Re: Thumper Origins Q

Albert Chin wrote: On Wed, Jan 24, 2007 at 10:19:29AM -0800, Frank Cusack wrote: On January 24, 2007 10:04:04 AM -0800 Bryan Cantrill <[EMAIL PROTECTED]> wrote: On Wed, Jan 24, 2007 at 09:46:11AM -0800, Moazam Raja wrote: Well, he did say fairly cheap. the ST 3511 is about $18.5

Re: [zfs-discuss] can I use zfs on just a partition?

On 1/25/07, Tim Cook <[EMAIL PROTECTED]> wrote: Just want to verify, if I have say, 1 160GB disk, can I format it so that the first say 40GB is my main UFS parition with the base OS install, and then make the rest of the disk zfs? Or even better yet, for testing purposes make two 60GB partiti

[zfs-discuss] can I use zfs on just a partition?

Just want to verify, if I have say, 1 160GB disk, can I format it so that the first say 40GB is my main UFS parition with the base OS install, and then make the rest of the disk zfs? Or even better yet, for testing purposes make two 60GB partitions out of the rest of it and make them a *mirror*

Re: [zfs-discuss] Re: ZFS brings System to panic/freeze

On 1/25/07, ComCept Net GmbH Andrea Soliva <[EMAIL PROTECTED]> wrote: Hi Jeremy Did I understand it correct there is no workaround or patch available to solve this situation? Do not misunderstand me but this issue (and it is not a small issue) is from September 2006? Is this in work or..?

Re: [zfs-discuss] Re: Re: Re: Thumper Origins Q

Hello Peter, Thursday, January 25, 2007, 10:29:52 AM, you wrote: >>> ZFS ->> HBA -> FC Switch -> JBOD -> "Simple" FC-SATA-converter -> SATA disk >> Why bother with switch here? PE> Think multiple JBODs. PE> With a single JBOD then a switch is not needed and then FC PE> probably also is overkill

Re: [zfs-discuss] Re: Some questions I had while testing ZFS.

This is 6456939: sd_send_scsi_SYNCHRONIZE_CACHE_biodone() can issue TUR which calls biowait()and deadlock/hangs host http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=6456939 (Thanks to Tpenta for digging this up) -- Regards, Jeremy ___ zfs-d

[zfs-discuss] Re: Some questions I had while testing ZFS.

[Jeffrey Scott] | I'm trying to simulate a drive failure by either powering down a single | drive or physically removing it from it's enclosure so as not to | interrupt the scsi bus, however each time I do this and then attempt to | access my zfs pool the system hangs and i get flooded wit

Re: [zfs-discuss] X2100 not hotswap, was Re: External drive enclosures + Sun Server for massstorage

On 25-Jan-07, at 5:09 AM, Frank Cusack wrote: On January 23, 2007 8:11:24 PM -0200 Toby Thain <[EMAIL PROTECTED]> wrote: Still, would be nice for those of us who bought them. And judging by other posts on this thread it seems just about everyone assumes hotswap "just works". hot *plug* :

Re: [zfs-discuss] Re: Thumper Origins Q

On Wed, Jan 24, 2007 at 10:19:29AM -0800, Frank Cusack wrote: > On January 24, 2007 10:04:04 AM -0800 Bryan Cantrill <[EMAIL PROTECTED]> > wrote: > > > >On Wed, Jan 24, 2007 at 09:46:11AM -0800, Moazam Raja wrote: > >>Well, he did say fairly cheap. the ST 3511 is about $18.5k. That's > >>about the

[zfs-discuss] Re: ZFS brings System to panic/freeze

Hi System Specification: SunOS global-one 5.10 Generic_118833-33 sun4u sparc SUNW,Ultra-4 (11/06) System Configuration: Sun Microsystems sun4u Sun Ultra 450 (2 X UltraSPARC-II 400MHz) System clock frequency: 100 MHz Memory size: 2048 Megabytes = CPUs

Re: [zfs-discuss] ZFS brings System to panic/freeze

System specifications please? On 1/25/07, ComCept Net GmbH Soliva <[EMAIL PROTECTED]> wrote: Hello now I was configuring my syste with RaidZ and with Spares (explained below). I would like to test the configuration it means after successful config of ZFS I pulled-out a disk of one of the RaidZ'

[zfs-discuss] ZFS brings System to panic/freeze

Hello now I was configuring my syste with RaidZ and with Spares (explained below). I would like to test the configuration it means after successful config of ZFS I pulled-out a disk of one of the RaidZ's. Imidiately the system brought up on the console: Jan 25 09:08:46 global-one scsi: WA

[zfs-discuss] Re: Some questions I had while testing ZFS.

Hi I did the absolutly same test and have the same issue. I also posted a message. NO answer so far. Andrea This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listin

[zfs-discuss] Re: Re: Re: Thumper Origins Q

>> ZFS ->> HBA -> FC Switch -> JBOD -> "Simple" FC-SATA-converter -> SATA disk > Why bother with switch here? Think multiple JBODs. With a single JBOD then a switch is not needed and then FC probably also is overkill - then normal SCSI can work. - Peter Message was edited by: pen

[zfs-discuss] zfs / nfs issue (not performance :-) with courier-imap

I am not sure if this is a zfs issue, and nfs issue, or a combination of the two, or not an issue with them per se (caching or whatever), or a courier-imap issue, or even a mail client issue. However, the issue happens in at least two different unrelated mail clients, so I don't think it is

Re: [zfs-discuss] Thumper Origins Q

On 1/25/07, Jason J. W. Williams <[EMAIL PROTECTED]> wrote: Having snapshots in the filesystem that work so well is really nice. How are y'all quiescing the DB? So the DBA has a cronjob that puts the DB (Oracle) into hot backup mode, takes a snapshot of all affected filesystems (i.e. log + data