Re: [zfs-discuss] Suggestions about current ZFS setup

2010-04-14 Thread David Dyer-Bennet
fer is certainly good if he needs to worry about performance. Testing actual performance in your own exact hardware is always smart. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http

Re: [zfs-discuss] Suggestions about current ZFS setup

2010-04-14 Thread David Dyer-Bennet
at that data size? I can back up to a single external USB disk (I have 3 I rotate), and a full backup completes overnight. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http:/

Re: [zfs-discuss] Which build is the most stable, mainly for NAS (zfs)?

2010-04-14 Thread David Dyer-Bennet
he old builds are available after the next one comes out; I haven't been able to find them. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info ___

Re: [zfs-discuss] about backup and mirrored pools

2010-04-09 Thread David Dyer-Bennet
a. I make and keep off-site backups, formerly on optical media, moving towards external disk drives. > So where they had been separate pools, where one might fill up while > another stayed fairly empty, if they were all in a single pool none > would fill up until they all filled up. Yes, th

Re: [zfs-discuss] zfs send hangs

2010-04-09 Thread David Dyer-Bennet
3 I have problems using incremental replication streams that sound similar (hands, IO system disruption). I'm on build 111b, that is, 2009.06. I'm hoping things will clear up when 2010.$Spring comes out, which should be soon. Your data point is not helping my confidence there, though! -- Dav

Re: [zfs-discuss] SSD As ARC

2010-03-26 Thread David Dyer-Bennet
oses you can essentially replace a vdev, though not remove it or alter the number of drives or the type. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery

Re: [zfs-discuss] RAID10

2010-03-26 Thread David Dyer-Bennet
the same physical place on each drive; in a ZFS mirror it won't, it'll just go *somewhere* on each drive. In the end, RAID produces a block device that you then run a filesystem on, whereas ZFS includes the filesystem (and other things; including block devices you can run other filesystems

Re: [zfs-discuss] RAID10

2010-03-26 Thread David Dyer-Bennet
sleading enough to be dangerous; the differences can be explicated later. YMMV :-) -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info __

Re: [zfs-discuss] zfs send and ARC

2010-03-26 Thread David Dyer-Bennet
;t know that it makes sense to. There are lots of existing filter packages that do compression; so if you want compression, just put them in your pipeline. That way you're not limited by what zfs send has implemented, either. When they implement bzip98 with a new compression technology

Re: [zfs-discuss] Moving drives around...

2010-03-23 Thread David Dyer-Bennet
h can cause a default import to not find all the pieces of a pool. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-22 Thread David Dyer-Bennet
ereas incrementals fail even though they're pushing a lot less data and take a lot less time, I'm not inclined to blame my USB hardware. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Pho

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-19 Thread David Dyer-Bennet
On Fri, March 19, 2010 12:25, Darren J Moffat wrote: > On 19/03/2010 17:19, David Dyer-Bennet wrote: >> >> On Fri, March 19, 2010 11:33, Darren J Moffat wrote: >>> On 19/03/2010 16:11, joerg.schill...@fokus.fraunhofer.de wrote: >>>> Darren J Moffat wrote:

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-19 Thread David Dyer-Bennet
ed to. Now I think more in terms of getting it from a snapshot maintained online on the original storage server. The overall storage strategy has to include retrieving files lost due to user error over some time period, whether that's months or years. And having to restore an entire 100TB

Re: [zfs-discuss] ZFS send and receive corruption across a WAN link?

2010-03-19 Thread David Dyer-Bennet
On Fri, March 19, 2010 09:49, Bob Friesenhahn wrote: > On Fri, 19 Mar 2010, David Dyer-Bennet wrote: >> >> However, these legacy mechanisms aren't guaranteed to give you the >> less-than-one-wrong-bit-in-10^15 level of accuracy people tend to want >> for >>

Re: [zfs-discuss] Q : recommendations for zpool configuration

2010-03-19 Thread David Dyer-Bennet
reasons you should have backups *in addition* to using redundant vdevs). This has driven people to develop higher levels of redundancy in parity schemes, such as RAIDZ2 (and RAIDZ3). -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-

Re: [zfs-discuss] ZFS send and receive corruption across a WAN link?

2010-03-19 Thread David Dyer-Bennet
ck turns the data over to the application), if undetected, could leave you with corrupted data; not sure what the probability is there. Every scheme has SOME weak spots. The well-designed ones at least tell you the bit error rate. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots

Re: [zfs-discuss] ZFS/OSOL/Firewire...

2010-03-18 Thread David Dyer-Bennet
have to wonder if I should be trying it on Solaris. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info ___ zfs-discuss m

Re: [zfs-discuss] Is this a sensible spec for an iSCSI storgage box?

2010-03-17 Thread David Dyer-Bennet
09.06, which is 111b. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info ___ zfs-discuss mailing list zfs-discuss@opensolari

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-17 Thread David Dyer-Bennet
On 3/17/2010 17:53, Ian Collins wrote: On 03/18/10 03:53 AM, David Dyer-Bennet wrote: Also, snapshots. For my purposes, I find snapshots at some level a very important part of the backup process. My old scheme was to rsync from primary ZFS pool to backup ZFS pool, and snapshot both pools

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-17 Thread David Dyer-Bennet
scale. When you go to much bigger setups, the trade-offs change; the value of the space in the safe starts to show up as significant, the drive cost becomes less of an issue, and so forth. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos:

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

2010-03-17 Thread David Dyer-Bennet
very important part of the backup process. My old scheme was to rsync from primary ZFS pool to backup ZFS pool, and snapshot both pools (with somewhat different retention schedules). My new scheme, forced by the ACL issues, is to use ZFS send/receive (but I haven't been able to make it wo

Re: [zfs-discuss] Posible newbie question about space between zpool and zfs file systems

2010-03-17 Thread David Dyer-Bennet
On 3/16/2010 23:21, Erik Trimble wrote: On 3/16/2010 8:29 PM, David Dyer-Bennet wrote: On 3/16/2010 17:45, Erik Trimble wrote: David Dyer-Bennet wrote: On Tue, March 16, 2010 14:59, Erik Trimble wrote: Has there been a consideration by anyone to do a class-action lawsuit for false

Re: [zfs-discuss] Posible newbie question about space between zpool and zfs file systems

2010-03-16 Thread David Dyer-Bennet
On 3/16/2010 17:45, Erik Trimble wrote: David Dyer-Bennet wrote: On Tue, March 16, 2010 14:59, Erik Trimble wrote: Has there been a consideration by anyone to do a class-action lawsuit for false advertising on this? I know they now have to include the "1GB = 1,000,000,000 bytes"

Re: [zfs-discuss] Posible newbie question about space between zpool and zfs file systems

2010-03-16 Thread David Dyer-Bennet
rked with pre-dated that period); but I think we need to recognize that this is our own weird local usage of terminology, and that we can't expect the rest of the world to change to our way of doing things. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/Sna

Re: [zfs-discuss] How to manage scrub priority or defer scrub?

2010-03-16 Thread David Dyer-Bennet
ub was in progress. If that's the case, then they have a real problem, they're not just looking for more peace of mind in a hypothetical situation. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: ht

Re: [zfs-discuss] zpool reporting consistent read errors

2010-03-15 Thread David Dyer-Bennet
ower (on the 220v side) drops. Strangely enough, running up to the limit is hard on components, yes. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info __

Re: [zfs-discuss] zpool reporting consistent read errors

2010-03-15 Thread David Dyer-Bennet
e changed cables, changed the sata ports the drives are attached to, I > always get the same outcome. The drives are new. Is this likely a drive > problem? Given what you've already changed, it's sounding like it could well be a drive problem. The one other thing that comes to mi

Re: [zfs-discuss] CR 6880994 and pkg fix

2010-03-15 Thread David Dyer-Bennet
he allegedly-corrupted copy against that. This can fairly easily give you a pretty reliable indication if the file is truly corrupted or not. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragae

Re: [zfs-discuss] ZFS and Striped Mirror behavior with fixed size virtual disks

2010-03-10 Thread David Dyer-Bennet
;m sometimes a bit ham-tongued doing that kind of thing, too. > That's great to know. Time to soldier on with the build! Sounds like. I'm very happy with my rather smaller setup. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/

Re: [zfs-discuss] ZFS and Striped Mirror behavior with fixed size virtual disks

2010-03-10 Thread David Dyer-Bennet
ata is rewritten, usage will gradually even out across the vdevs in the pool. Having the data across more spindles can, obviously, potentially increase performance, depending on what the existing limiting factors are. So, if that says about the same thing you said, then the answer to your question is

Re: [zfs-discuss] zfs send and receive ... any ideas for FEC?

2010-03-10 Thread David Dyer-Bennet
e the space; since I think in terms of disks rather than tapes for backups, that's not my issue. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/galle

Re: [zfs-discuss] what to do when errors occur during scrub

2010-03-09 Thread David Dyer-Bennet
"-s" switch is documented to STOP a scrub, though I've never used it. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info _

Re: [zfs-discuss] ZFS replication send/receive errors out

2010-03-07 Thread David Dyer-Bennet
On 3/7/2010 2:08 PM, Richard Elling wrote: On Mar 5, 2010, at 7:32 AM, David Dyer-Bennet wrote: sending from @bup-4hr-20100228-04CST to zp1/l...@bup-4hr-20100228-08cst received 312B stream in 1 seconds (312B/sec) receiving incremental stream of zp1/l...@bup-4hr-20100224-12cst

Re: [zfs-discuss] ZFS for my home RAID? Or Linux Software RAID?

2010-03-07 Thread David Dyer-Bennet
l with the same flaw. So a singly-redundant 8-drive group of large drives is thought to be very risky by many people here; people prefer double redundancy in groups that big with large drives. These days everybody is all excited about clever ways you can use SSDs with ZFS (as read cache, and as i

Re: [zfs-discuss] Wildcards to zfs list

2010-03-07 Thread David Dyer-Bennet
On 3/7/2010 11:23 AM, Tomas Ă–gren wrote: On 07 March, 2010 - David Dyer-Bennet sent me these 1,1K bytes: There isn't some syntax I'm missing to use wildcards in zfs list to list snapshots, is there? I find nothing in the man page, and nothing I've tried works (yes, I do

[zfs-discuss] Wildcards to zfs list

2010-03-07 Thread David Dyer-Bennet
quot;@" and use grep to filter the output from zfs list. (I'm running 2009.06, which is based on snv_111b, so if this capability has appeared since then in some form, I'd really like to know; I'll be updating to the next stable release.) -- David Dyer-Bennet, d...@dd-b.net

[zfs-discuss] ZFS replication send/receive errors out

2010-03-05 Thread David Dyer-Bennet
it was nowhere near finished. But nothing was full, nothing crashed. Anybody got a spare clue? It shouldn't, as I understand it, be possible for a full replication stream going into a newly-created filesystem to get this error. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapsh

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-03 Thread David Dyer-Bennet
On Wed, March 3, 2010 10:23, Paul B. Henson wrote: > On Wed, 3 Mar 2010, David Dyer-Bennet wrote: > >> It's the normal way to do it; not sure where in the Linux world it >> arose, >> but I first saw it in some early distribution. It's done automatically >

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-03 Thread David Dyer-Bennet
On Tue, March 2, 2010 15:12, Paul B. Henson wrote: > On Tue, 2 Mar 2010, David Dyer-Bennet wrote: > >> Hmmm; the "lack of flexibility" you talk about comes from not using the >> security model sensibly -- having per-person groups is very useful in >> that

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-02 Thread David Dyer-Bennet
exceedingly > difficult to actually use ACL's for their intended purpose? It's precisely to avoid having shell access being a poor stepchild that I'm resisting ACLs. As currently implemented, they relegate my primary access to the system to second-class status. And NFSv4 is m

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-02 Thread David Dyer-Bennet
quot;. I see that, if you're using volumes and such, that thinking starts to diverge more noticeably from reality. But I'm not, in my data pool, which is the one I care about. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-03-01 Thread David Dyer-Bennet
On Mon, March 1, 2010 15:50, Miles Nordin wrote: >>>>>> "dd" == David Dyer-Bennet writes: > > dd> Okay, but the argument goes the other way just as well -- when > dd> I run "chmod 6400 foobar", I want the permissions set that >

[zfs-discuss] Snapshot sizes

2010-03-01 Thread David Dyer-Bennet
s. So the difference between "used" in adjacent datasets is my #3, at least roughly. (And I understand that there are timing issues involved in testing expecting to see exact numbers.) I guess this stuff is decently documented; at least unless I misunderstood a bunch. Let me know i

Re: [zfs-discuss] What's the advantage of using multiple filesystems in a pool

2010-03-01 Thread David Dyer-Bennet
my environment has few enough filesystems that I'm not feeling the pain from doing it; so I may not have thought it through completely. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera:

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-02-26 Thread David Dyer-Bennet
On 2/26/2010 8:45 PM, Paul B. Henson wrote: On Fri, 26 Feb 2010, David Dyer-Bennet wrote: So, even if you're willing to completely discard 30 years of legacy scripts and applications -- how to you propose that a NEW script or application should be written so as to work in this brav

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-02-26 Thread David Dyer-Bennet
On 2/26/2010 6:52 PM, Paul B. Henson wrote: On Fri, 26 Feb 2010, David Dyer-Bennet wrote: chown ddb /path/to/file chmod 640 /path/to/file I'll tell you, if I type that and then find I (I'm "ddb") *can't* read the file, I'm going to be REALLY unhappy.

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-02-26 Thread David Dyer-Bennet
pected regardless of the permissions of the file in its original location. Okay, but the argument goes the other way just as well -- when I run "chmod 6400 foobar", I want the permissions set that specific way, and I don't want some magic background feature blocking me. Particu

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-02-26 Thread David Dyer-Bennet
seems reasonable that changes to permissions for "other" should not override ACL entries for specific users. Changes to permissions for "owner" SHOULD override ACL entries for the user that's the same as the current owner, if any exist. I'm not terribly sanguine a

Re: [zfs-discuss] Who is using ZFS ACL's in production?

2010-02-25 Thread David Dyer-Bennet
em. Standard Unix permissions are simple and clear and can easily do everything I've ever needed, and about 10 times more; ACLs are pure pain. First thing I've encountered that makes me feel like a dinosaur, and I've been in the industry 40 years. -- David Dyer-Bennet, d...@dd-b.n

Re: [zfs-discuss] Adding a zfs mirror drive to rpool - new drive formats to one cylinder less

2010-02-25 Thread David Dyer-Bennet
han a month usually), but it's nice to have more info about one of the bits I was worried about. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info ___

Re: [zfs-discuss] Oops, ran zfs destroy after renaming a folder and deleted my file system.

2010-02-24 Thread David Dyer-Bennet
backup. And THAT is one of the reasons why backups are important even with redundant safe fileservers. (Software bugs, physical destruction, and user error!) -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd

Re: [zfs-discuss] ZFS with hundreds of millions of files

2010-02-24 Thread David Dyer-Bennet
On 2/24/2010 4:11 PM, Stefan Walk wrote: On 24 Feb 2010, at 22:57, David Dyer-Bennet wrote: On Wed, February 24, 2010 14:39, Nicolas Williams wrote: On Wed, Feb 24, 2010 at 02:09:42PM -0600, Bob Friesenhahn wrote: I have a directory here containing a million files and it has not caused any

Re: [zfs-discuss] ZFS with hundreds of millions of files

2010-02-24 Thread David Dyer-Bennet
s that can still easily overlow the argument limit.) There really ought to be an option to make ls not sort, at least. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaer

[zfs-discuss] Interrupt sharing

2010-02-24 Thread David Dyer-Bennet
0xd1 14 Edg IPIall 1 - cbe_fire 210 0xd3 14 Edg IPIall 1 - cbe_fire 240 0xe0 15 Edg IPIall 1 - xc_serv 241 0xe1 15 Edg IPIall 1 - apic_error_intr -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/

Re: [zfs-discuss] Adding a zfs mirror drive to rpool - new drive formats to one cylinder less

2010-02-24 Thread David Dyer-Bennet
filesystems expected boot information to be outside the filesystem space (my understanding is that ZFS is set up to not overwrite where the boot stuff would be in the slice ZFS is using, just in case it's there). -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/Sn

Re: [zfs-discuss] Listing snapshots in a pool

2010-02-22 Thread David Dyer-Bennet
hing, so lots of it hasn't been tested for real yet.) -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Sn

Re: [zfs-discuss] Listing snapshots in a pool

2010-02-22 Thread David Dyer-Bennet
On 2/22/2010 3:31 AM, Darren J Moffat wrote: On 22/02/2010 00:23, David Dyer-Bennet wrote: I thought this was simple. Turns out not to be. bash-3.2$ zfs list -t snapshot zp1 cannot open 'zp1': operation not applicable to datasets of this type Fails equally on all the variants of

Re: [zfs-discuss] Listing snapshots in a pool

2010-02-21 Thread David Dyer-Bennet
asn't in OpenSolaris 2009.06: use the -d switch and set recursion to 1 level. That seems like it will work, when a stable version including that option is released. I'll note it in my code for use then. On 2/21/10 5:23 PM, David Dyer-Bennet wrote: I thought this was simple. Turn

[zfs-discuss] Listing snapshots in a pool

2010-02-21 Thread David Dyer-Bennet
It's easy, of course, with grep, to get the bigger list and then filter out the subset you want). Am I missing something? Has this been added after snv_111b? -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photo

Re: [zfs-discuss] Lost disk geometry

2010-02-19 Thread David Dyer-Bennet
On Fri, February 19, 2010 16:21, Daniel Carosone wrote: > On Fri, Feb 19, 2010 at 01:15:17PM -0600, David Dyer-Bennet wrote: >> >> On Fri, February 19, 2010 13:09, David Dyer-Bennet wrote: >> >> > Anybody know what the proper geometry is for a WD1600BEKT-6-1A13? >

Re: [zfs-discuss] Poor ZIL SLC SSD performance

2010-02-19 Thread David Dyer-Bennet
On Fri, February 19, 2010 13:50, Bob Friesenhahn wrote: > On Fri, 19 Feb 2010, David Dyer-Bennet wrote: > >>> Too bad, I'm getting ~1000 IOPS with an Intel X25-M G2 MLC and around >>> 300 with a regular USB stick, so 50 IOPS is really poor for an SLC SSD. >>

Re: [zfs-discuss] Lost disk geometry

2010-02-19 Thread David Dyer-Bennet
On Fri, February 19, 2010 13:09, David Dyer-Bennet wrote: > Anybody know what the proper geometry is for a WD1600BEKT-6-1A13? It's > not even in the data sheets any more! One further point -- I can't seem to enter the geometry the second disk has manually for the first; when I

[zfs-discuss] Lost disk geometry

2010-02-19 Thread David Dyer-Bennet
0 (0/0/0) 0 6usrwm 1 - 152614 149.04GB(152614/0/0) 312553472 7 unassignedwm 0 0 (0/0/0) 0 8 bootwu 0 - 01.00MB(1/0/0) 2048 9 alternateswm 0

Re: [zfs-discuss] Poor ZIL SLC SSD performance

2010-02-19 Thread David Dyer-Bennet
(earlier high-performance drives were hideously expensive and rather brute force). Which was relatively recently. The industry is still evolving rapidly. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photo

Re: [zfs-discuss] ZFS mirrored boot disks

2010-02-19 Thread David Dyer-Bennet
isk boot order in your bios? I know that I succeeded in booting off the third (of four) disks in a mirror group Wednesday evening, but only after altering the disk boot order in the bios. Using that exact controller card, come to think of it. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b

Re: [zfs-discuss] Idiots Guide to Running a NAS with ZFS/OpenSolaris

2010-02-18 Thread David Dyer-Bennet
ething goes wrong worse than RAIDZ can handle. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info ___ z

Re: [zfs-discuss] Killing an EFI label

2010-02-18 Thread David Dyer-Bennet
good way back when, getting stronger every week). Hmmm; apparently I needed to emphasize ZFS more in my search (which I deliberately didn't do, figuring that a non-ZFS explanation of labels would be just as good). Oh well! -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http:/

[zfs-discuss] Killing an EFI label

2010-02-17 Thread David Dyer-Bennet
d0s0 ONLINE 0 0 0 errors: No known data errors Once I decide that these -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info _

Re: [zfs-discuss] zpool status output confusing

2010-02-17 Thread David Dyer-Bennet
Well, I'd certainly chase through the symbolic links to find if the device files were pointing the wrong places in the end, or if the problem is lower in the stack than that. Since it's a clean install it's a Solaris bug at some level either way, sounds like. -- David Dyer-Bennet,

Re: [zfs-discuss] getting tangled with recieved mountpoint properties

2010-02-17 Thread David Dyer-Bennet
7;s built into the send / receive command (mine are local USB disks rather than a remote system, so things are just a bit different). I haven't found a better solution yet, but I'm still back on build 111b, so I don't have the new property replication capabilities (or complexities) to

[zfs-discuss] Duplicating a system rpool

2010-02-16 Thread David Dyer-Bennet
do people handle this? And how did this particular standard come to have competition? -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info _

Re: [zfs-discuss] /usr/bin/chgrp destroys ACL's?

2010-02-10 Thread David Dyer-Bennet
mes, but only at the cost of grotesque confusion). What I would dearly love is an option to disable all ACL suppport. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Draga

Re: [zfs-discuss] ZFS replication primary secondary

2010-02-10 Thread David Dyer-Bennet
On 2/10/2010 7:21 PM, Daniel Carosone wrote: On Wed, Feb 10, 2010 at 05:36:10PM -0600, David Dyer-Bennet wrote: That's all about *ME* picking the suitable base snapshot, as I understand it. Correct. I understood the recent reference to be suggesting that I didn't hav

Re: [zfs-discuss] ZFS replication primary secondary

2010-02-10 Thread David Dyer-Bennet
On Wed, February 10, 2010 16:51, Tim Cook wrote: > On Wed, Feb 10, 2010 at 4:31 PM, David Dyer-Bennet wrote: > >> >> On Wed, February 10, 2010 16:15, Tim Cook wrote: >> > On Wed, Feb 10, 2010 at 3:38 PM, Terry Hull wrote: >> > >> >> Thanks for th

Re: [zfs-discuss] Abysmal ISCSI / ZFS Performance

2010-02-10 Thread David Dyer-Bennet
ry wouldn't hurt anything, > either. That's useful general advice for increasing I/O I think, but he clearly has something other than a "general" problem. Did you read the numbers he gave on his iSCSI performance? That can't be explained just by overly-large RAIDZ grou

Re: [zfs-discuss] ZFS replication primary secondary

2010-02-10 Thread David Dyer-Bennet
imary server. Is that correct? >> >> -- >> Terry >> >> > > I think a better way of stating it is that it picks the newest common > snapshot. That can't be right, zfe send-receive communicate unidirectionally, so nobody can "pick" the newest common snapshot. --

Re: [zfs-discuss] Big send/receive hangs on 2009.06

2010-02-08 Thread David Dyer-Bennet
Nobody has any ideas? It's still hung after work. I wonder what it will take to stop the backup and export the pool? Well, that's nice; a straight "kill" terminated the processes, at least. zpool status shows no errors. zfs list shows backup filesystems mounted. zpool export -f is running...n

[zfs-discuss] Big send/receive hangs on 2009.06

2010-02-08 Thread David Dyer-Bennet
0K - zp1/raph...@bup-20100102-184101utc 0 -20K - zp1/raph...@bup-20100208-050707gmt 0 -20K - zp1/raph...@bup-20100208-050907gmt 0 -20K - -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photo

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-03 Thread David Dyer-Bennet
my current chassis with modern drives; I'm just still using the 400GB drives I put in originally, and have two more sitting around for the upgrade I'm heading towards. Which is to say that 45 drives is really quite a lot for a HOME NAS. Particularly when you then think about backing

Re: [zfs-discuss] Version to upgrade to?

2010-02-03 Thread David Dyer-Bennet
o?target=opensolaris When I follow that through, it only offers me extras and HA Cluster; nothing about ordinary OpenSolaris updates that I can find. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gall

Re: [zfs-discuss] Version to upgrade to?

2010-02-02 Thread David Dyer-Bennet
o a full, can't do incrementals). I suspect I'll go to bleeding edge, find one that works (which I hope will be the first week I try!), and then stay there until the next stable is out, and flip back to stable. Shouldn't need new features for a while :-). -- David Dyer-Bennet

Re: [zfs-discuss] CR 6811542: that's interesting

2010-02-02 Thread David Dyer-Bennet
On Tue, February 2, 2010 17:34, James C. McPherson wrote: > On 3/02/10 09:31 AM, David Dyer-Bennet wrote: >> >> Can anybody who can see the CR online figure out what release build the >> fix was / will be in? Speaking of what build I should upgrade to :-). >

[zfs-discuss] CR 6811542: that's interesting

2010-02-02 Thread David Dyer-Bennet
ody who can see the CR online figure out what release build the fix was / will be in? Speaking of what build I should upgrade to :-). -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/

[zfs-discuss] Version to upgrade to?

2010-02-02 Thread David Dyer-Bennet
hence asking here. To put it differently: If I wanted to upgrade to build 124, say, or 130, how would I do that? What would I type? And the other half of the question, what's the best stable built around this week? -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-02 Thread David Dyer-Bennet
On Tue, February 2, 2010 14:21, Tim Cook wrote: > On Tue, Feb 2, 2010 at 2:14 PM, David Dyer-Bennet wrote: > >> >> On Tue, February 2, 2010 11:26, Richard Elling wrote: >> > On Feb 2, 2010, at 8:49 AM, David Dyer-Bennet wrote: >> >> On Tue, February 2, 20

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-02 Thread David Dyer-Bennet
On Tue, February 2, 2010 11:26, Richard Elling wrote: > On Feb 2, 2010, at 8:49 AM, David Dyer-Bennet wrote: >> On Tue, February 2, 2010 10:21, Marc Nicholas wrote: >>> I agree wholeheartedlyyou're paying to make the problem "go away" >>> in >>

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-02 Thread David Dyer-Bennet
lockin. I've seen people down extra days while locked-in parts are shipped to them; the parts were essentially identical to what you could buy that day at retail locally, but the locally-available version wouldn't work. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ S

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-02 Thread David Dyer-Bennet
culous capacity based licensing on > software. It works great for me personally -- I'm using the software with other people's hardware, for free. But why should people who need a lot of storage pay proportionally more? I don't get that, that's grossly wrong. -- David Dye

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-02 Thread David Dyer-Bennet
uy, neither management nor marketing nor hardware engineering. Also, if they really are charging 10x, then they can easily cut prices to compete with any upstarts, a fact that potential investors would take note of. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd

Re: [zfs-discuss] verging OT: how to buy J4500 w/o overpriced drives

2010-02-02 Thread David Dyer-Bennet
th disk drives. In fact drives most often die for me when the equipment is power-cycled). (I've still got the corpse of at least one 300MB drive from long ago that I paid $1500 for, come to think of it!) -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/d

Re: [zfs-discuss] why checksum data?

2010-02-01 Thread David Dyer-Bennet
ey to get ECC memory in my home ZFS fileserver. But my Windows desktops both at home and at work, and my laptop, use regular memory. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: h

Re: [zfs-discuss] Home ZFS NAS - 2 drives or 3?

2010-02-01 Thread David Dyer-Bennet
two small partitions and a data pool from the two large partitions, thus keeping data and root separate and still providing redundancy to both, within the two drive constraint. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/Snapsh

Re: [zfs-discuss] Media server build

2010-01-29 Thread David Dyer-Bennet
On Fri, January 29, 2010 12:31, Richard Elling wrote: > A 4 TB media server is kinda small, though. I do so love living in the future :-). -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gall

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-27 Thread David Dyer-Bennet
check the length first, though. And they're listed on Amazon. (Supermicro either doesn't, or at least makes it very hard, to buy direct from their web site, or even check a price.) (This is a big Chenbro case, I think it's really a rack 4u system being used as a tower.) -- Davi

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-27 Thread David Dyer-Bennet
rom the same bad batch! Google is working heavily with the philosophy that things WILL fail, so they plan for it, and have enough redundance to survive it -- and then save lots of money by not paying for premium components. I like that approach. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.n

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-26 Thread David Dyer-Bennet
On 1/26/2010 9:39 PM, Daniel Carosone wrote: On Tue, Jan 26, 2010 at 07:32:05PM -0800, David Dyer-Bennet wrote: Okay, so this SuperMicro AOC-USAS-L8i is an "SAS" card? I've never done SAS; is it essentially a controller as flexible as SCSI that then talks to SATA dis

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-26 Thread David Dyer-Bennet
Okay, so this SuperMicro AOC-USAS-L8i is an "SAS" card? I've never done SAS; is it essentially a controller as flexible as SCSI that then talks to SATA disks out the back? Amazon seems to be the only obvious place to buy it (Newegg and Tiger Direct have nothing). And do I understand that

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-25 Thread David Dyer-Bennet
as well. However, the namespace doesn't seem to have any possibility of overlapping the names of the disks in hot-swap SATA enclosures, so it can't overwrite any of them by any mechanism I can find. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-25 Thread David Dyer-Bennet
#x27;t think double >> redundancy is worth >> much to me in this case (daily backups to two or more >> external media sets, >> and hot-swap so I don't wait to replace a bad drive). > > Indeed, and often forgotten by home builders, is that if you have > dependable

Re: [zfs-discuss] Going from 6 to 8 disks on ASUS M2N-SLI Deluxe motherboa

2010-01-25 Thread David Dyer-Bennet
ng 3 way mirrors instead of 2 > as this gives extra protection. 6 or 8 hot-swap bays and enough controllers gives me relatively few interesting choices. 6: 2 three-way, or three two-way; 8: four two-way, or...still only 2 three-way. I don't think double redundancy is worth much to me in this

<    1   2   3   4   >