[zfs-discuss] It is that time again... ZFS + Firewire/USB - and a specific enclosure

2007-08-06 Thread mike
can power down to replace any drives or do maintenance. It's mainly for cheap, quiet enclosures that can export JBOD... Thanks, mike ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Will "de-duplication" be added?

2007-07-29 Thread Mike Gerdts
p;q=%22zfs-discuss%22+site%3Amail.opensolaris.org+%28dedup+OR+%22de-duplication%22+OR+deduplication%29&btnG=Google+Search -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Any fix for zpool import kernel panic (reboot loop)?

2007-07-25 Thread Mike Gerdts
in a panic loop. A support call is open and it is a known problem that (I'm told) is being worked on. I only mention this to say that this type of problem is not restricted to zfs boot. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___

Re: [zfs-discuss] import a group

2007-07-17 Thread Mike Salehi
One last question, when it comes to patching these zones, is it better to patch it normally or destroy all the local zones and patch only the global zone and use sh file to recreate all the zones. This message posted from opensolaris.org ___ zfs-dis

Re: [zfs-discuss] import a group

2007-07-16 Thread Mike Salehi
Sorry, my question is not clear enough. These pools contain a zone each. This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] import a group

2007-07-16 Thread Mike Salehi
Greetings, Given zfs pools, how does one import these pools to another node in the cluster. Mike This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman

Re: [zfs-discuss] Pseudo file system access to snapshots?

2007-07-13 Thread Mike Gerdts
differences between finding the differences from a clone's origin to a snapshot of the clone and finding the differences between snapshots between snapshots of the same file system. I'm also glad to see this is in the works. Most of my use cases

Re: [zfs-discuss] Pseudo file system access to snapshots?

2007-07-11 Thread Mike Gerdts
On 7/11/07, Darren J Moffat <[EMAIL PROTECTED]> wrote: > Mike Gerdts wrote: > > Perhaps a better approach is to create a pseudo file system that looks like: > > > > /pool > >/@@ > >/@today > &

[zfs-discuss] Pseudo file system access to snapshots?

2007-07-10 Thread Mike Gerdts
a particular path would have the same effect as zfs receive. Is this something that is maybe worth spending a few more cycles on, or is it likely broken from the beginning? Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zf

Re: [zfs-discuss] Take Three: PSARC 2007/171 ZFS Separate Intent Log

2007-07-07 Thread Mike Gerdts
y member). > In any case that is absolutely unaccepted practice. The past week of inactivity is likely related to most of Sun in the US being on mandatory vacation. Sun typically shuts down for the week that contains July 4 and (I think) the week between Christmas and Jan 1. Mike -- Mike Gerdts

Re: [zfs-discuss] Re: ZFS usb keys

2007-06-27 Thread Mike Lee
I had a similar situation between x86 and SPARC, version number. When I created the pool on the LOWER rev machine, it was seen by the HIGHER rev machine. This was a USB HDD, not a stick. I can now move the drive between boxes. HTH, Mike Dick Davies wrote: Thanks to everyone for the sanity

RE: [zfs-discuss] ZFS - DB2 Performance

2007-06-26 Thread Ellis, Mike
At what Solaris10 level (patch/update) was the "single-threaded compression" situation resolved? Could you be hitting that one? -- MikeE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Roch - PAE Sent: Tuesday, June 26, 2007 12:26 PM To: Roshan Perera

Re: [zfs-discuss] ZFS Scalability/performance

2007-06-20 Thread mike
On 6/20/07, Paul Fisher <[EMAIL PROTECTED]> wrote: I would not risk raidz on that many disks. A nice compromise may be 14+2 raidz2, which should perform nicely for your workload and be pretty reliable when the disks start to fail. Would anyone on the list not recommend this setup? I could li

Re: [zfs-discuss] ZFS Scalability/performance

2007-06-20 Thread mike
. If I really do need room for two to fail then I suppose I can look for a 14 drive space usable setup and use raidz-2. Thanks, mike ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Re: Karma Re: Re: Best use of 4 drives?

2007-06-15 Thread mike
On 6/15/07, Brian Hechinger <[EMAIL PROTECTED]> wrote: Hmmm, that's an interesting point. I remember the old days of having to stagger startup for large drives (physically large, not capacity large). Can that be done with SATA? I had to link 2 600w power supplies together to be able to power

Re: [zfs-discuss] Btrfs, COW for Linux [somewhat OT]

2007-06-14 Thread mike
On 6/14/07, Frank Cusack <[EMAIL PROTECTED]> wrote: Yes, but there are many ways to get transactions, e.g. journalling. ext3 is journaled. it doesn't seem to always be able to recover data. it also takes forever to fsck. i thought COW might alleviate some of the fsck needs... it just seems like

Re: [zfs-discuss] Btrfs, COW for Linux [somewhat OT]

2007-06-14 Thread mike
times (FAT32, NTFS, XFS, JFS) it is encouraging to see more options that put emphasis on integrity... On 6/14/07, Frank Cusack <[EMAIL PROTECTED]> wrote: On June 14, 2007 3:57:55 PM -0700 mike <[EMAIL PROTECTED]> wrote: > as a more SOHO user i like ZFS mainly for it's COW and

Re: [zfs-discuss] Btrfs, COW for Linux [somewhat OT]

2007-06-14 Thread mike
it's about time. this hopefully won't spark another license debate, etc... ZFS may never get into linux officially, but there's no reason a lot of the same features and ideologies can't make it into a linux-approved-with-no-arguments filesystem... as a more SOHO user i like ZFS mainly for it's CO

Re: [zfs-discuss] Holding disks for home servers

2007-06-07 Thread mike
looks like you used 3 for a total of 15 disks, right? I have a CM stacker too - I used the CM 4-disks-in-3-5.25"-slots though. I am currently trying to sell it too, as it is bulky and I would prefer using eSATA/maybe Firewire/USB enclosures and a small "controller" machine (like a Shuttle) so it

Re: [zfs-discuss] current state of play with ZFS boot and install?

2007-05-31 Thread Mike Dotson
> > can someone belt me with a cluestick please? > > > > > > This message posted from opensolaris.org > > ___ > > zfs-discuss mailing list > > zfs-discuss@opensolaris.org > > http

RE: [zfs-discuss] Re: ZFS - Use h/w raid or not?Thoughts.Considerations.

2007-05-29 Thread Ellis, Mike
ght try to use a CF-boot-option in their environment. Good thread, lets bat this around some more. -- MikeE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Tuesday, May 29, 2007 9:48 PM To: Ellis, Mike Cc: Carson Gaspar; zfs-discuss@opensolaris.or

RE: [zfs-discuss] Re: ZFS - Use h/w raid or not?Thoughts.Considerations.

2007-05-29 Thread Ellis, Mike
ght try to use a CF-boot-option in their environment. Good thread, lets bat this around some more. -- MikeE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Sent: Tuesday, May 29, 2007 9:48 PM To: Ellis, Mike Cc: Carson Gaspar; zfs-discuss@opensolaris.or

RE: [zfs-discuss] Re: ZFS - Use h/w raid or not?Thoughts. Considerations.

2007-05-29 Thread Ellis, Mike
Also the "unmirrored memory" for the rest of the system has ECC and ChipKill, which provides at least SOME protection against random bit-flips. -- Question: It appears that CF and friends would make a descent live-boot (but don't run on me like I'm a disk) type of boot-media due to the limited wr

Re: [zfs-discuss] zfs root: legacy mount or not?

2007-05-25 Thread Mike Dotson
On Fri, 2007-05-25 at 15:46 -0700, Eric Schrock wrote: > On Fri, May 25, 2007 at 03:39:11PM -0700, Mike Dotson wrote: > > > > In fact the console-login depends on filesystem/minimal which to me > > means minimal file systems not all file systems and there is no software >

Re: [zfs-discuss] zfs root: legacy mount or not?

2007-05-25 Thread Mike Dotson
first accessed. Agreed but there's still the issue with console-login being dependent on all file systems instead of minimal file systems. > > - Eric > > > -- > Eric Schrock, Solaris Kernel Development http://blogs.sun.com/eschrock -- Mike Dotson

Re: [zfs-discuss] zfs root: legacy mount or not?

2007-05-25 Thread Mike Dotson
On Fri, 2007-05-25 at 15:50 -0600, Lori Alt wrote: > Mike Dotson wrote: > > On Fri, 2007-05-25 at 14:29 -0600, Lori Alt wrote: > > > Would help in many cases where an admin needs to work on a system but > > doesn't need, say 20k users home directories mounted,

Re: [zfs-discuss] zfs root: legacy mount or not?

2007-05-25 Thread Mike Dotson
k users home directories mounted, to do this work. > > Lori > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- Mike Dotson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

RE: [zfs-discuss] DBMS on zpool

2007-05-18 Thread Ellis, Mike
This is probably a good place to start. http://blogs.sun.com/realneel/entry/zfs_and_databases Please post back to the group with your results, I'm sure many of us are interested. Thanks, -- MikeE -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of homeru

Re: [zfs-discuss] setup_install_server, cpio and zfs : fix needed ?

2007-05-13 Thread Mike Gerdts
e lofi driver on top of zfs. If you have enough RAM, try copying the iso file to /tmp, lofi mount it from there, then try again. Mike ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] setup_install_server, cpio and zfs : fix needed ?

2007-05-13 Thread Mike Gerdts
list a files for cpio. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Will this work?

2007-05-10 Thread mike
thanks for the reply. On 5/10/07, Al Hopper <[EMAIL PROTECTED]> wrote: My personal opinion is that USB is not robust enough under (Open)Solaris to provide the reliability that someone considering ZFS is looking for. I base this on experience with two 7 port powered USB hubs, each with 4 * 2Gb K

[zfs-discuss] Will this work?

2007-05-10 Thread mike
HO use, sharing files over samba to a couple Windows machines + a media player. Side note: Is this right? "ditto" blocks are extra parity blocks stored on the same disk (won't prevent total disk failures, but could provide data recovery if enough pari

Re: [zfs-discuss] Motley group of discs?

2007-05-04 Thread mike
ly PCI-e adapters... Marvell or SI or anything as long as it's PCI-e and has 4 or 5 eSATA ports that can work with a port multipler (for 4-5 disks per port) ... I don't think there is a clear fully supported option yet or I'd be using it right now. - mike __

Re: [zfs-discuss] Motley group of discs?

2007-05-04 Thread mike
efore it's completely failed... - mike On 5/4/07, Al Hopper <[EMAIL PROTECTED]> wrote: On Fri, 4 May 2007, Lee Fyock wrote: > Hi-- > > I'm looking forward to using zfs on my Mac at some point. My desktop > server (a dual-1.25GHz G4) has a motley collection of discs that h

[zfs-discuss] Re: Re: zfs boot image conversion kit is posted

2007-05-01 Thread Mike Walker
i am attempting to install b62 from the b62_zfsboot.iso that was posted last week. > > Mike makes a good point. We have some severe > problems > with build 63. I've been hoping to get an answer for > what's > going on with it, but so far, I don't have one. &g

[zfs-discuss] Re: Re: zfs boot image conversion kit is posted

2007-04-30 Thread Mike Walker
ike > 'Solaris nv_b62'Is it possible there > were any errors while it was installing? > If it generates a log during install, maybe you > can ftp it away before the > reboot.Mal class="gmail_quote">On 4/30/07, class="gmail_sendername">Mike Walker <

[zfs-discuss] Re: Re: Re: Re: zfs boot image conversion kit is posted

2007-04-30 Thread Mike Walker
way I can see what its doing when it pauses before the reboot? I'm kinda new at this OpenSolaris stuff, so any debugging tips/tricks would be greatly appreciated. Mike This message posted from opensolaris.org ___ zfs-discuss mailing list zfs

[zfs-discuss] Re: zfs boot image conversion kit is posted

2007-04-30 Thread Mike Walker
way I can see what its doing when it pauses before the reboot? I'm kinda new at this OpenSolaris stuff, so any debugging tips/tricks would be greatly appreciated. Mike This message posted from opensolaris.org ___ zfs-discuss mailing list zfs

Re: [zfs-discuss] ZFS Boot: Dividing up the name space

2007-04-28 Thread Mike Gerdts
On 4/28/07, Mike Dotson <[EMAIL PROTECTED]> wrote: And this changes the scenario how? I've actually been pondering this for quite some time now. Why do we backup the root disk? With many of the tools out now, it makes far more sense to do a flar/incremental flars of the systems an

Re: [zfs-discuss] ZFS Boot: Dividing up the name space

2007-04-28 Thread Mike Dotson
once I've got large numbers of filesystems and snapshots > and clones thereof, and the odd zvol, it can be a devil of > a job to work out what's going on. No more difficult than doing ufs/vxfs snapshots and quick I/O, etc. Only thing that really changes is the specific command for each and if you're doing that, then you've already got the infrastructure for it setup. But that's just my viewpoint... -- Mike Dotson ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Scrubbing a zpool built on LUNs

2007-04-27 Thread Mike
I'm building a system with two Apple RAIDs attached. I have hardware RAID5 configured so no RAIDZ or RAIDZ2, just a basic zpool pointing at the four LUNs representing the four RAID controllers. For on-going maintenance, will a zpool scrub be of any benefit? From what I've read with this layer of

Re: [zfs-discuss] ZFS Boot: Dividing up the name space

2007-04-26 Thread Mike Gerdts
on that seems not to be high on the list of coming features. This would give the benefits of sparse zones (more efficient use of memory, etc.) without the drawback of not being able to even create mount points for other file systems. Mike -- Mike Gerdts http://mgerdts.blogspot.com/

[zfs-discuss] Re: ZFS Boot: Dividing up the name space

2007-04-26 Thread Mike Dotson
> Peter Tribble wrote: > > On 4/24/07, Darren J Moffat <[EMAIL PROTECTED]> > wrote: > >> With reference to Lori's blog posting[1] I'd like > to throw out a few of > >> my thoughts on spliting up the namespace. > > > > Just a plea with my sysadmin hat on - please don't > go overboard > > and make ne

Re: [zfs-discuss] Re: Status Update before Reinstall?

2007-04-25 Thread Mike Dotson
we aren't > able to dump into a zvol yet.) > Will we need to use this kit for further builds or will it be updated for new builds as they arrive? > Lori > > ___ > zfs-discuss mailing list > zfs-discuss@opensolaris.org >

[zfs-discuss] Now that FreeBSD has ZFS (basically)

2007-04-23 Thread mike
using port multipler eSATA with FreeBSD (perhaps I will hunt down people on a FreeBSD list, to clarify #3) I'd like it to be PCI express based. PCI-x is only on normal-sized motherboards, and I'd love to be using a smaller form factor machine as the &quo

Re: [zfs-discuss] ZFS disables nfs/server on a host

2007-04-19 Thread Mike Lee
Could it be an order problem? NFS trying to start before zfs is mounted? Just a guess, of course. I'm not real savvy in either realm. HTH, Mike Ben Miller wrote: I have an Ultra 10 client running Sol10 U3 that has a zfs pool set up on the extra space of the internal ide disk. There&#

[zfs-discuss] Re: [request-sponsor] Requesting sponsor for zpool split : 5097228

2007-04-14 Thread Mike Gerdts
ul in the cases where the devices to be split are on the same controller but with just a different target or LUN range. -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list [EMAIL PROTECTED] http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Benchmarking

2007-04-12 Thread Mike Gerdts
w huge blocks to be read. I forget what the cut-off is, but 512 bytes at a time should be fine. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list [EMAIL PROTECTED] http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] status of zfs boot netinstall kit

2007-04-12 Thread Mike Gerdts
. There are a couple folks out here still running sparc. Is there any news to report related to the sparc variant ZFS boot? -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list [EMAIL PROTECTED] http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] # devices in raidz.

2007-04-10 Thread Mike Seda
I noticed that there is still an open bug regarding removing devices from a zpool: http://bugs.opensolaris.org/bugdatabase/view_bug.do?bug_id=4852783 Does anyone know if or when this feature will be implemented? Cindy Swearingen wrote: Hi Mike, Yes, outside of the hot-spares feature, you can

Re: [zfs-discuss] ZFS and Firewire/USB enclosures

2007-03-20 Thread mike
Would the system be able to halt if something was unplugged/some massive failure happened? That way if something got tripped, I could fix it before any corruption or issue occured. That would be my safety net, I suppose. On 3/20/07, Sanjeev Bagewadi <[EMAIL PROTECTED]> wrote: Mike, W

Re: Fwd: [zfs-discuss] ZFS and Firewire/USB enclosures

2007-03-20 Thread mike
okay so since this is fixed, Chris, would you consider using USB/FW now? I am desperate to replace a server that is failing and I want to replace it with a proper quiet ZFS-based solution, I hate being held captive by NTFS issues (it may have corrupted my data now a second time) ZFS's checksummi

Re: [zfs-discuss] ZFS and Firewire/USB enclosures

2007-03-20 Thread mike
Crair <[EMAIL PROTECTED]> wrote: Mike, Take a look at http://video.google.com/videoplay?docid=8100808442979626078&q=CSI%3Amunich Granted, this was for demo purposes, but the team in Munich is clearly leveraging USB sticks for their purposes. HTH, Bev. mike wrote: > I still haven't

[zfs-discuss] ZFS and Firewire/USB enclosures

2007-03-20 Thread mike
able. That would be my only design constraint. Thanks a ton. Again, any input (good, bad, ugly, personal experiences or opinions) is appreciated A LOT! - mike ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Re: Re: Re: ZFS memory and swap usage

2007-03-19 Thread Mike Gerdts
tick-10s { printf("%6d %6d %6d %6d\n", (long long) zfs`arc.c_min / 1024/1024, (long long) zfs`arc.c_max / 1024/1024, (long long) zfs`arc.size / 1024/1024, (long long) zfs`arc.c / 1024/

RE: [zfs-discuss] Re: Re: update on zfs boot support

2007-03-11 Thread Ellis, Mike
While the snapshot isn't RW, the clone is and would certainly be helpful in this case Isn't the whole idea to: 0) boot into single-user/boot-archive if you're paranoid (or just quiess and clone if you feel lucky) 1) "clone" the primary OS instance+relevant-slices & boot into the primary OS 2)

Re: [zfs-discuss] Equavilent to "chmod 1777" as ZFS ACl

2007-03-10 Thread Mike Gerdts
I haven't tested this scenario, I would expect that you would be able to use the parameters above to achieve what you are trying to do regardless of which UNIXy file system is being used. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ z

Re: [zfs-discuss] Re: Cluster File System Use Cases

2007-03-05 Thread Mike Gerdts
t of my knowledge, it shares no heritage with SAM-QFS. http://www.oracle.com/technology/products/database/asm/index.html Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

[zfs-discuss] unable to mount legacy vol - panic in zfs:space_map_remove - zdb crashes

2007-02-11 Thread Mike Kugler
I have a 100gb SAN lun in a pool, been running ok for about 6 months. panicked the system this morning. system was running S10U2. In the course of troubleshooting I've installed the latest recommended bundle including kjp 118833-36 and zfs patch 124204-03 created as: zpool create zfspool01 /dev

[zfs-discuss] Re: zfs corruption -- odd inum?

2007-02-11 Thread Mike Kugler
I've used this to track down the filename and other tidbits using the object ID from zpool status -v: errors: The following persistent errors have been detected: DATASET OBJECT RANGE zfspool01/nb60openv 292 1835008-1966080 zfspool01/nb60openv 292

Re: [zfs-discuss] VxVM volumes in a zpool.

2007-02-06 Thread Mike Gerdts
r /opt is a separate file system, you may have issues with this dependency. This is based upon 5 minutes of looking, not a careful read of all the parts involved. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-d

Re: [zfs-discuss] Advice on a cheap home NAS machine using ZFS

2007-02-05 Thread mike
nix based machines. Thanks in advance! When I saw ZFS and the upcoming crypto support planned, it truly would meet all my needs. I have been telling all my friends about ZFS, we're all excited but none of us have had a use or equipment that we could use for it yet. - mike On 2/5/07, Richa

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

2007-02-02 Thread mike
My two (everyman's) cents - could something like this be modeled after MySQL replication or even something like DRBD (drbd.org) ? Seems like possibly the same idea. On 1/26/07, Jim Dunham <[EMAIL PROTECTED]> wrote: Project Overview: ... ___ zfs-discus

Re: [zfs-discuss] unable to boot zone

2007-01-30 Thread Mike Gerdts
er a zonepath, I would also look for mounts and NFS shares in subdirectories of the fs that won't unmount. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Re: Re: External drive enclosures + Sun Server for mass

2007-01-23 Thread mike
ooh. they support it? cool. i'll have to explore that option now. however i still really want eSATA. On 1/23/07, Samuel Hexter <[EMAIL PROTECTED]> wrote: We've got two Areca ARC-1261ML cards (PCI-E x8, up to 16 SATA disks each) running a 12TB zpool on snv54 and Areca's arcmsr driver. They're a

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

2007-01-23 Thread Mike Gerdts
On 1/23/07, Darren J Moffat <[EMAIL PROTECTED]> wrote: For the "clone another system" zfs send/recv might be useful Having support for this directly in flarcreate would be nice. It would make differential flars very quick and efficient. Mike -- Mike Gerdts http://mger

Re: [zfs-discuss] ZFS on PC Based Hardware for NAS?

2007-01-22 Thread mike
I would suggest using a CompactFlash card for the OS. I believe it works exactly like IDE, but is more reliable, sucks less power, and frees up a slot for the larger drive... On 1/22/07, Elm, Rob <[EMAIL PROTECTED]> wrote: Hello ZFS Discussion Members, I'm looking for help or advice on a proje

Re: [zfs-discuss] Re: Re: Re: Re: External drive enclosures + Sun

2007-01-22 Thread mike
I'm dying here - does anyone know when or even if they will support these? I had this whole setup planned out but it requires eSATA + port multipliers. I want to use ZFS, but currently cannot in that fashion. I'd still have to buy some [more expensive, noisier, bulky internal drive] solution for

Re: [zfs-discuss] Re: External drive enclosures + Sun Server for mass

2007-01-22 Thread mike
Areca makes excellent PCI express cards - but probably have zero support in Solaris/OpenSolaris. I use them in both Windows and Linux. Works natively in FreeBSD too. They're the fastest cards on the market I believe still. However probably not very appropriate for this since it's a Solaris-based

Re: [zfs-discuss] Enhance 1U eSATA storage device and Solaris 10?

2007-01-21 Thread mike
, PCI express preferred) would be great. Assuming it works with any eSATA multiplier-aware enclosures (such as the one above) I think that would open up a LOT of users to ZFS. Most definately this one <- - mike On 1/21/07, Moazam Raja <[EMAIL PROTECTED]> wrote: Hi all, I'm thinki

Re: [zfs-discuss] ZFS patches for Solaris 10U2 ?

2007-01-18 Thread Mike Gerdts
e patches ? If you have (or download) the latest installation DVD, look in the /UpgradePatches (or similarly named) directory. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensol

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

2007-01-18 Thread mike
for a conversion from RAIDZ to RAIDZ2, or vice-versa then, correct? On 1/18/07, Erik Trimble <[EMAIL PROTECTED]> wrote: Mike, I think you are missing the point. What we are talking about is removing a drive from a zpool, that is, reducing the zpool's total capacity by a drive. Say you

Re: [zfs-discuss] Cheap ZFS homeserver.

2007-01-18 Thread mike
Couldn't this be considered a compatibility list that we can trust for OpenSolaris and ZFS? http://www.sun.com/io_technologies/ I've been looking at it for the past few days. I am looking for eSATA support options - more details below. Only 2 devices on the list show support for eSATA, both are

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

2007-01-18 Thread mike
what is the technical difference between forcing a removal and an actual failure? isn't it the same process? except one is manually triggered? i would assume the same resilvering process happens when a usable drive is put back in... On 1/18/07, Wee Yeh Tan <[EMAIL PROTECTED]> wrote: Not quite.

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

2007-01-18 Thread mike
Would this be the same as failing a drive on purpose to remove it? I was under the impression that was supported, but I wasn't sure if shrinking a ZFS pool would work though. On 1/18/07, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > This is a pretty high priority. We are working on it. ___

Re: [zfs-discuss] Question: ZFS + Block level SHA256 ~= almost free CAS Squishing?

2007-01-15 Thread Mike Gerdts
t have to explain that the file system has a 2^512 chance of silent data corruption. As slim of a chance as that is, ZFS promises to not corrupt my data and to tell on others that do. ZFS cannot break that promise. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ __

[zfs-discuss] Seven questions for a newbie

2007-01-14 Thread mike
1) Is a hardware-based RAID behind the scenes needed? Can ZFS safely be considered a replacement for that? I assume that anything below the filesystem level in regards to redundancy could be an added bonus, but is it necessary at all? 2) I am looking into building a 10-drive system using 750GB or

Re: [zfs-discuss] Multiple Read one Writer Filesystem

2007-01-14 Thread Mike Papper
mounting the same FS by several different machines? Is there a way around this? Mike Wee Yeh Tan wrote: On 1/15/07, Torrey McMahon <[EMAIL PROTECTED]> wrote: Mike Papper wrote: > > The alternative I am considering is to have a single filesystem > available to many clients using

[zfs-discuss] Multiple Read one Writer Filesystem

2007-01-14 Thread Mike Papper
would see and be able to read this new file? Does this apply to soft-link files as well? Does anyone have experience with such a configuration? Mike ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/li

Re: [zfs-discuss] Re: ZFS and SE 3511

2006-12-23 Thread Mike Seda
Anton Rang wrote: On Dec 19, 2006, at 7:14 AM, Mike Seda wrote: Anton B. Rang wrote: I have a Sun SE 3511 array with 5 x 500 GB SATA-I disks in a RAID 5. This 2 TB logical drive is partitioned into 10 x 200GB slices. I gave 4 of these slices to a Solaris 10 U2 machine and added each of them

Re: [zfs-discuss] Re: ZFS and SE 3511

2006-12-19 Thread Mike Seda
Anton B. Rang wrote: I have a Sun SE 3511 array with 5 x 500 GB SATA-I disks in a RAID 5. This 2 TB logical drive is partitioned into 10 x 200GB slices. I gave 4 of these slices to a Solaris 10 U2 machine and added each of them to a concat (non-raid) zpool as listed below: This is certain

[zfs-discuss] ZFS and SE 3511

2006-12-18 Thread Mike Seda
0 0 errors: No known data errors Basically, is this a supported zfs configuration? You are gonna laugh, but do you think my zfs configuration caused the drive failure? Cheers, Mike ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

[zfs-discuss] Please Help... Production machine migration from ufs to zfs

2006-12-18 Thread Mike Seda
The following is output from getfacl on a ufs filesytem: [EMAIL PROTECTED] maseda]$ getfacl /home/users/ahege/incoming # file: /home/users/ahege/incoming # owner: ahege # group: uncmd user::rwx user:nobody:rwx #effective:rwx group::r-x #effective:r-x mask:rwx other:r-x I want

Re: [zfs-discuss] ZFS in a SAN environment

2006-12-15 Thread Mike Seda
I use zfs in a san. I have two Sun V440s running solaris 10 U2, which have luns assigned to them from my Sun SE 3511. So far, it has worked flawlessly. Robert Milkowski wrote: Hello Dave, Friday, December 15, 2006, 9:02:31 PM, you wrote: DB> Does anyone have a document that describes ZFS in

Re: [zfs-discuss] ZFS compression / ARC interaction

2006-12-07 Thread Mike Gerdts
ular spot Take a lock Seek Write 64 bytes seek Write 5408 bytes close The rrd file in question is 8.6 MB. There was 8KB of reads and 5472 bytes of write. This is one of the big wins over the current binary rrd format over the original ASCII version that came with MRTG. Mi

Re: [zfs-discuss] Que: ZFS - Automatic Endian Adaptiveness

2006-11-21 Thread Mike Gerdts
own data layout. This may be a good place to look: http://www.oracle.com/technology/deploy/availability/htdocs/xtts.htm -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mail

Re: [zfs-discuss] minimum physical memory requirement?

2006-11-13 Thread Mike Gerdts
active. Does anyone know of relevant RFE's that are in the works to improve the situation, or should I file one and stop complaining. :) Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] # devices in raidz.

2006-11-13 Thread Mike Seda
Hi All, From reading the docs, it seems that you can add devices (non-spares) to a zpool, but you cannot take them away, right? Best, Mike Victor Latushkin wrote: Maybe something like the "slow" parameter of VxVM? slow[=iodelay] Reduces

Re: [zfs-discuss] OpenSolaris vs. Solaris 10 11/06 (S10u3) for NFS ZFS Server

2006-11-08 Thread Mike Gerdts
I don't see any problems with this procedure. However, I waited until someone else announced the features or lack thereof found in S10 11/06. :) Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@open

Re: [zfs-discuss] Best Practices recommendation on x4200

2006-11-07 Thread Mike Gerdts
mounted and little interest in creating very complex command lines with many -x options. Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Current status of a ZFS root

2006-10-28 Thread Mike Gerdts
format that and use it for swap or whatever. The original question was about using ZFS root on a T1000. /grub looks suspiciously incompatible with the T1000 because it isn't x86. I've heard rumors of brining grub to sparc, but... Mike -- Mike Gerdts http://mger

Re: [zfs-discuss] zfs and zones

2006-10-13 Thread Mike Gerdts
pport calls help the most? Mike -- Mike Gerdts http://mgerdts.blogspot.com/ ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] problem ZFS / NFS from FreeBSD nfsv3 client -- periodic NFS server not resp

2006-09-26 Thread Mike Kupfer
s the replies. If your server has multiple network interfaces, it's more likely that the server is routing the replies back on a different interface. We've run into that problem many times with the NFS server that has my home directory on it. If that is what's going on, you n

Re: [zfs-discuss] problem ZFS / NFS from FreeBSD nfsv3 client -- periodic NFS server not resp

2006-09-25 Thread Mike Kupfer
>>>>> "Chad" == Chad Leigh <-- Shire.Net LLC" <[EMAIL PROTECTED]>> writes: Chad> so -t a should show wall clock time The capture file always records absolute time. So you (just) need to use "-t a" when you decode the captu

Re: [zfs-discuss] problem ZFS / NFS from FreeBSD nfsv3 client -- periodic NFS server not resp

2006-09-25 Thread Mike Kupfer
>>>>> "Chad" == Chad Leigh <-- Shire.Net LLC" <[EMAIL PROTECTED]>> writes: Chad> There seems to be no packet headers or time stamps or anything -- Chad> just a lot of binary data. What am I looking for? Use "

Re: [zfs-discuss] problem ZFS / NFS from FreeBSD nfsv3 client -- periodic NFS server not resp

2006-09-25 Thread Mike Kupfer
the two hosts. If you notice a problem in the logs, you can find the corresponding capture file and extract from it what you need. mike bgsnoop Description: bgsnoop script ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

RE: [zfs-discuss] Re: ZFS and HDS ShadowImage

2006-09-19 Thread Ellis, Mike
Hey Tony... When (properly) doing Array-based snapshots/BCVs with EMC/Hitachi/what-have you arrays, you create "lun groups" out of the luns you're interested in snappin'. You then perform snapshot/clone operations on that "lun group" which will make it atomic across all members of that group. Wh

Re: [zfs-discuss] Re: zfs clones

2006-09-18 Thread Mike Gerdts
:) 2) One of the copies of the data needs to be portable to another system while the original stays put. This could be done to refresh non-production instances from production, to perform backups in such a way that it doesn't put load on the prod

RE: [zfs-discuss] ZFS and HDS ShadowImage

2006-09-18 Thread Ellis, Mike
It's a valid use case in the high-end enterprise space. While it probably makes good sense to use ZFS for snapshot creation, there are still cases where array-based snapshots/clones/BCVs make sense. (DR/Array-based replication, data-verification, separate spindle-pool, legacy/migration reasons, an

Re: [zfs-discuss] Access to ZFS checksums would be nice and very useful feature

2006-09-14 Thread Mike Gerdts
ing that it is up to ZFS to generate or manage the signature. The nice thing about it is that so long as the private key is secret, the signature stays with the file as it is moved, taken to tape, other file systems, etc. so long as the file manipulation mechanisms support extended-attributes. Mi

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