Re: [zfs-discuss] partioned cache devices

2013-03-18 Thread Ian Collins
work in my set up rather than simply ignoring and moving on. Didn't you read Richard's post? "You can have only one Solaris partition at a time." Your original example failed when you tried to add a second. -- Ian. ___ zfs-

Re: [zfs-discuss] partioned cache devices

2013-03-15 Thread Ian Collins
to create two slices. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
Bob Friesenhahn wrote: On Wed, 27 Feb 2013, Ian Collins wrote: I am finding that rsync with the right options (to directly block-overwrite) plus zfs snapshots is providing me with pretty amazing "deduplication" for backups without even enabling deduplication in zfs. Now backup stor

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
the same for all of our "legacy" operating system backups. Take a snapshot then do an rsync and an excellent way of maintaining incremental backups for those. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.op

Re: [zfs-discuss] SVM > ZFS

2013-02-26 Thread Ian Collins
It's been a long time, but I'm sure LU only supports UFS->ZFS for the root pool. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
other bugs which are fixed in S11 and not in Illumos (and vice-versa). There may well be, but in seven+ years of using ZFS, this was the first one to cost me a pool. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opens

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Ian Collins
Robert Milkowski wrote: Solaris 11.1 (free for non-prod use). But a ticking bomb if you use a cache device. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Is there performance penalty when adding vdev to existing pool

2013-02-20 Thread Ian Collins
get too close to filling the enlarged pool, you will probably be OK performance wise. The old data access times will be no worse, the new data better. If you can spread some of your old data around after added the new vdev, do so. -- Ian. ___ zfs

Re: [zfs-discuss] Is there performance penalty when adding vdev to existing pool

2013-02-20 Thread Ian Collins
extended vdev). -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Is there performance penalty when adding vdev to existing pool

2013-02-20 Thread Ian Collins
ake a copy of a suitably large filesystem, then deleted the original and renamed the copy. I had to do this a couple of times to redistribute data, but it saved a lot of down time. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opens

Re: [zfs-discuss] zfs-discuss mailing list & opensolaris EOL

2013-02-17 Thread Ian Collins
ch is to say, I understand there's stuff you can't talk about, and support you can't give freely or openly. But to the extent you're still able to discuss publicly known things, thank you. +1. -- Ian. ___ zfs-discuss mailing li

Re: [zfs-discuss] zfs-discuss mailing list & opensolaris EOL

2013-02-16 Thread Ian Collins
Richard Elling wrote: On Feb 16, 2013, at 10:16 PM, Bryan Horstmann-Allen wrote: +-- | On 2013-02-17 18:40:47, Ian Collins wrote: | One of its main advantages is it has been platform agnostic. We see Solaris

Re: [zfs-discuss] zfs-discuss mailing list & opensolaris EOL

2013-02-16 Thread Ian Collins
, platform agnostic, home for this list. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] HELP! RPool problem

2013-02-16 Thread Ian Collins
OI or Solaris11.1) and recover his data. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Slow zfs writes

2013-02-12 Thread Ian Collins
Jim Klimov wrote: On 2013-02-12 10:32, Ian Collins wrote: Ram Chander wrote: Hi Roy, You are right. So it looks like re-distribution issue. Initially there were two Vdev with 24 disks ( disk 0-23 ) for close to year. After which which we added 24 more disks and created additional vdevs. The

Re: [zfs-discuss] Slow zfs writes

2013-02-12 Thread Ian Collins
. Now how to find files that are present in a Vdev or a disk. That way I can remove and re-copy back to distribute data. Any other way to solve this ? The only way is to avoid the problem in the first place by not mixing vdev sizes in a pool. -- Ian

[zfs-discuss] Bizarre receive error

2013-02-08 Thread Ian Collins
_1800 into backup/vbox/windows@Wednesday_1800 received 380MB stream in 18 seconds (21.1MB/sec) On the Solaris 11.1 sender: zfs get -H version tank/vbox/windows tank/vbox/windows version 5 - Odd! I assume an error code was being misreporte

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-23 Thread Ian Collins
that can be done to most Java processes :) -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Ian Collins
aiting a long time for! I have to run a periodic "fill the pool with zeros" cycle on a couple of iSCSI backed pools to reclaim free space. I guess the big question is do oracle storage appliances advertise SCSI UNMAP? -- Ian. ___ zfs-dis

[zfs-discuss] Odd snapshots exposed in Solaris 11.1

2013-01-21 Thread Ian Collins
VMs zoned offdefault Which is casing one of my scripts grief. Does anyone know why these are showing up? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Solaris 11 System Reboots Continuously Because of a ZFS-Related Panic (7191375)

2013-01-14 Thread Ian Collins
hope this will be a public update. Within a week of upgrading to 11.1 I hit this bug and I had to rebuild my main pool. I'm still restoring backups. Without this fix, 11.1 is a bomb waiting to go off! -- Ian. ___ zfs-discuss mailing list zfs-di

Re: [zfs-discuss] Zpool error in metadata:0x0

2012-12-08 Thread Ian Collins
his might enable you to recreate the error for testing. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs on SunFire X2100M2 with hybrid pools

2012-11-28 Thread Ian Collins
ssion was first introduced, it would cause writes on a Thumper to be CPU bound. It was all but unusable on that machine. Today with better threading, I barely notice the overhead on the same box. There are very few situations where this option is better than the default lzjb. That part I do agre

Re: [zfs-discuss] Woeful performance from an iSCSI pool

2012-11-24 Thread Ian Collins
Ian Collins wrote: I look after a remote server that has two iSCSI pools. The volumes for each pool are sparse volumes and a while back the target's storage became full, causing weird and wonderful corruption issues until they manges to free some space. Since then, one pool has been reaso

Re: [zfs-discuss] ZFS Appliance as a general-purpose server question

2012-11-22 Thread Ian Collins
my part of the world, that isn't much fun. Buy and equivalent JBOD and head unit and pretend you have a new Thumper. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Woeful performance from an iSCSI pool

2012-11-21 Thread Ian Collins
On 11/22/12 10:15, Ian Collins wrote: I look after a remote server that has two iSCSI pools. The volumes for each pool are sparse volumes and a while back the target's storage became full, causing weird and wonderful corruption issues until they manges to free some space. Since then, one

[zfs-discuss] Woeful performance from an iSCSI pool

2012-11-21 Thread Ian Collins
file removals and additions. I'm currently zero filling the bad pool to recover space on the target storage to see if that improves matters. Has anyone else seen similar behaviour with previously degraded iSCSI pools? -- Ian. ___ zfs-discu

Re: [zfs-discuss] Intel DC S3700

2012-11-21 Thread Ian Collins
magnitude too big... -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Dedicated server running ESXi with no RAID card, ZFS for storage?

2012-11-13 Thread Ian Collins
try, but for now, no... SmartOS. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Strange mount -a problem in Solaris 11.1

2012-10-31 Thread Ian Collins
On 10/31/12 23:35, Edward Ned Harvey (opensolarisisdeadlongliveopensolaris) wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Ian Collins Have have a recently upgraded (to Solaris 11.1) test system that fails to mount its filesystems on

[zfs-discuss] Strange mount -a problem in Solaris 11.1

2012-10-30 Thread Ian Collins
fine in the original BE. The root (only) pool in a single drive. Any ideas? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send to older version

2012-10-18 Thread Ian Collins
sync) to send a snapshot from a newer zpool to an older one? You have to create pools/filesystems with the older versions used by the destination machine. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/m

Re: [zfs-discuss] Using L2ARC on an AdHoc basis.

2012-10-13 Thread Ian Collins
nefits when cache is available, and less benefits when it isn't? Why bother with cache devices at all if you are moving the pool around? As you hinted above, the cache can take a while to warm up and become useful. You should zpool remove the cache device

Re: [zfs-discuss] ZFS best practice for FreeBSD?

2012-10-13 Thread Ian Collins
On 10/13/12 22:13, Jim Klimov wrote: 2012-10-13 0:41, Ian Collins пишет: On 10/13/12 02:12, Edward Ned Harvey (opensolarisisdeadlongliveopensolaris) wrote: There are at least a couple of solid reasons *in favor* of partitioning. #1 It seems common, at least to me, that I'll build a s

Re: [zfs-discuss] ZFS best practice for FreeBSD?

2012-10-12 Thread Ian Collins
sks to the main data pool. How do you provision a spare in that situation? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Building an On-Site and Off-Size ZFS server, replication question

2012-10-08 Thread Ian Collins
normal, or is there any difference? It can be sent as normal. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Building an On-Site and Off-Size ZFS server, replication question

2012-10-05 Thread Ian Collins
On 10/06/12 07:57, Edward Ned Harvey (opensolarisisdeadlongliveopensolaris) wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Frank Cusack On Fri, Oct 5, 2012 at 3:17 AM, Ian Collins wrote: I do have to suffer a slow, glitchy WAN to a

Re: [zfs-discuss] Building an On-Site and Off-Size ZFS server, replication question

2012-10-05 Thread Ian Collins
would have been the leaf filesystems filesystems themselves. By spreading the data over more filesystems, the individual incremental sends are smaller, so there is less data to resend if the link burps during a transfer. -- Ian. ___ zfs-discuss mail

[zfs-discuss] Should clearing the share property on a clone unshare the origin?

2012-09-25 Thread Ian Collins
ne is successfully shared). The share and sharenfs properties on the origin filesystem are unchanged. I have to run zfs share on the origin filesystem to restore the share. Feature or a bug?? -- Ian. ___ zfs-discuss mailing list zfs-di

Re: [zfs-discuss] all in one server

2012-09-19 Thread Ian Collins
systems isn't as bad as it was. On our original Thumper I had to amalgamate all our user home directories into one filesystem due to slow boot. Now I have split them again to send over a slow WAN... Large numbers of snapshots (10's of thousands) don't appear to

Re: [zfs-discuss] Zvol vs zfs send/zfs receive

2012-09-14 Thread Ian Collins
ould I be panicking yet? No. Do you have compression on on one side but no the other? Either way, let things run to completion. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] scripting incremental replication data streams

2012-09-12 Thread Ian Collins
alk backwards through the remote snaps until a common snapshot is found and destroy non-matching remote snapshots" That's what I do as party of my "destroy snapshots not on the source" check. Over many years of managing various distributed systems, I've discovered th

Re: [zfs-discuss] scripting incremental replication data streams

2012-09-12 Thread Ian Collins
sing the standard library set container and algorithms. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] what have you been buying for slog and l2arc?

2012-08-29 Thread Ian Collins
reasonable tradeoff. The 313 series looks like a consumer price SLC drive aimed at the recent trend in windows cache drives. Should be worth a look. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

Re: [zfs-discuss] Benefits of enabling compression in ZFS for the zones

2012-07-10 Thread Ian Collins
on't use to have any room problems, so if I'm going to enable the compression flag it has to be because of the write speed improvements. I always enable compression by default and only turn it off for filesystems I know hold un-compressible data such as media files. -- Ian.

Re: [zfs-discuss] Scenario sanity check

2012-07-09 Thread Ian Collins
On 07/10/12 05:26 AM, Brian Wilson wrote: Yep, thanks, and to answer Ian with more detail on what TruCopy does. TruCopy mirrors between the two storage arrays, with software running on the arrays, and keeps a list of dirty/changed 'tracks' while the mirror is split. I think th

Re: [zfs-discuss] Scenario sanity check

2012-07-06 Thread Ian Collins
On 07/ 7/12 11:29 AM, Brian Wilson wrote: On 07/ 6/12 04:17 PM, Ian Collins wrote: On 07/ 7/12 08:34 AM, Brian Wilson wrote: Hello, I'd like a sanity check from people more knowledgeable than myself. I'm managing backups on a production system. Previously I was using another volu

Re: [zfs-discuss] Scenario sanity check

2012-07-06 Thread Ian Collins
hot and back up the clone? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Ian Collins
On 07/ 5/12 11:32 PM, Carsten John wrote: -Original message- To: Carsten John; CC: zfs-discuss@opensolaris.org; From: Ian Collins Sent: Thu 05-07-2012 11:35 Subject:Re: [zfs-discuss] Sol11 missing snapshot facility On 07/ 5/12 09:25 PM, Carsten John wrote: Hi Ian

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Ian Collins
On 07/ 5/12 09:25 PM, Carsten John wrote: Hi Ian, yes, I already checked that: svcs -a | grep zfs disabled 11:50:39 svc:/application/time-slider/plugin:zfs-send is the only service I get listed. Odd. How did you install? Is the manifest there (/lib/svc/manifest/system/filesystem

Re: [zfs-discuss] Sol11 missing snapshot facility

2012-07-05 Thread Ian Collins
ed Jul_02 svc:/system/filesystem/zfs/auto-snapshot:weekly disabled Jul_02 svc:/application/time-slider/plugin:zfs-send -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Very sick iSCSI pool

2012-07-02 Thread Ian Collins
On 07/ 1/12 08:57 PM, Ian Collins wrote: On 07/ 1/12 10:20 AM, Fajar A. Nugraha wrote: On Sun, Jul 1, 2012 at 4:18 AM, Ian Collins wrote: On 06/30/12 03:01 AM, Richard Elling wrote: Hi Ian, Chapter 7 of the DTrace book has some examples of how to look at iSCSI target and initiator behaviour

Re: [zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-07-02 Thread Ian Collins
On 05/29/12 08:42 AM, Richard Elling wrote: On May 28, 2012, at 2:48 AM, Ian Collins wrote: On 05/28/12 08:55 PM, Sašo Kiselkov wrote: .. If the drives show up at all, chances are you only need to work around the power-up issue in Dell HDD firmware. Here's what I had to do to get the d

Re: [zfs-discuss] Very sick iSCSI pool

2012-07-01 Thread Ian Collins
On 07/ 1/12 10:20 AM, Fajar A. Nugraha wrote: On Sun, Jul 1, 2012 at 4:18 AM, Ian Collins wrote: On 06/30/12 03:01 AM, Richard Elling wrote: Hi Ian, Chapter 7 of the DTrace book has some examples of how to look at iSCSI target and initiator behaviour. Thanks Richard, I 'll have a look.

Re: [zfs-discuss] Very sick iSCSI pool

2012-06-30 Thread Ian Collins
On 06/30/12 03:01 AM, Richard Elling wrote: Hi Ian, Chapter 7 of the DTrace book has some examples of how to look at iSCSI target and initiator behaviour. Thanks Richard, I 'll have a look. I'm assuming the pool is hosed? -- richard On Jun 28, 2012, at 10:47 PM, Ian Collins w

[zfs-discuss] Very sick iSCSI pool

2012-06-28 Thread Ian Collins
st Any ideas how to determine the cause of the problem and remedy it? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] need information about ZFS API

2012-05-28 Thread Ian Collins
r to decouple my applications from changes to the API. Generally the API has been stable for basic operations such as iteration and accessing properties. Not so for send and receive! I have a simple (150 line) C++ wrapper that supports iteration and property access I'm happy to

Re: [zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-05-28 Thread Ian Collins
On 05/28/12 11:01 PM, Sašo Kiselkov wrote: On 05/28/2012 12:59 PM, Ian Collins wrote: On 05/28/12 10:53 PM, Sašo Kiselkov wrote: On 05/28/2012 11:48 AM, Ian Collins wrote: On 05/28/12 08:55 PM, Sašo Kiselkov wrote: On 05/28/2012 10:48 AM, Ian Collins wrote: To follow up, the H310 appears to

Re: [zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-05-28 Thread Ian Collins
On 05/28/12 10:53 PM, Sašo Kiselkov wrote: On 05/28/2012 11:48 AM, Ian Collins wrote: On 05/28/12 08:55 PM, Sašo Kiselkov wrote: On 05/28/2012 10:48 AM, Ian Collins wrote: To follow up, the H310 appears to be useless in non-raid mode. The drives do show up in Solaris 11 format, but they show

Re: [zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-05-28 Thread Ian Collins
On 05/28/12 08:55 PM, Sašo Kiselkov wrote: On 05/28/2012 10:48 AM, Ian Collins wrote: To follow up, the H310 appears to be useless in non-raid mode. The drives do show up in Solaris 11 format, but they show up as unknown, unformatted drives. One oddity is the box has two SATA SSDs which also

Re: [zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-05-28 Thread Ian Collins
On 05/ 7/12 04:08 PM, Ian Collins wrote: On 05/ 7/12 03:42 PM, Greg Mason wrote: I am currently trying to get two of these things running Illumian. I don't have any particular performance requirements, so I'm thinking of using some sort of supported hypervisor, (either RHEL and KVM

Re: [zfs-discuss] Hard Drive Choice Question

2012-05-17 Thread Ian Collins
ply refuse to die and I'm still using them in various test systems. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Unexpected error adding a cache device to existing pool

2012-05-14 Thread Ian Collins
On 05/14/12 10:32 PM, Carson Gaspar wrote: On 5/14/12 2:02 AM, Ian Collins wrote: Adding the log was OK: zpool add -f export log mirror c10t3d0s0 c10t4d0s0 But adding the cache fails: zpool add -f export cache c10t3d0s1 c10t4d0s1 invalid vdev specification the following errors must be

[zfs-discuss] Unexpected error adding a cache device to existing pool

2012-05-14 Thread Ian Collins
555200 1 unassignedwm2675 - 19931 103.22GB(17257/0/0) 216471808 2 backupwu 0 - 19931 119.22GB(19932/0/0) 250027008 Is there a solution? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolari

Re: [zfs-discuss] Strange hang during snapshot receive

2012-05-11 Thread Ian Collins
On 05/11/12 02:01 AM, Mike Gerdts wrote: On Thu, May 10, 2012 at 5:37 AM, Ian Collins wrote: I have an application I have been using to manage data replication for a number of years. Recently we started using a new machine as a staging server (not that new, an x4540) running Solaris 11 with a

[zfs-discuss] Strange hang during snapshot receive

2012-05-10 Thread Ian Collins
0 194K 0 tank12.5T 6.58T 99258 209K 1.50M tank12.5T 6.58T196296 294K 1.31M tank12.5T 6.58T188130 229K 776K Can anyone offer any insight or further debugging tips? Thanks. -- Ian. ___

Re: [zfs-discuss] Hung zfs destroy

2012-05-07 Thread Ian Collins
On 05/ 8/12 08:36 AM, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Ian Collins On a Solaris 11 (SR3) system I have a zfs destroy process what appears to be doing nothing and can't be killed. It has used 5 se

Re: [zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-05-06 Thread Ian Collins
k position. My next attempt would be SmartOs if I can't get the cards swapped (the R720 currently has a Broadcom 5720 NIC). -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Has anyone used a Dell with a PERC H310?

2012-05-06 Thread Ian Collins
I'm trying to configure a DELL R720 (not a pleasant experience) which has an H710p card fitted. The H710p definitely doesn't support JBOD, but the H310 looks like it might (the data sheet mentions non-RAID). Has anyone used one with ZFS? Thank

[zfs-discuss] Hung zfs destroy

2012-05-04 Thread Ian Collins
his was an old problem that was fixed long ago in Solaris 10 (I had several temporary patches over the years), but it appears to be alive and well. Any hints? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.o

Re: [zfs-discuss] cluster vs nfs

2012-04-26 Thread Ian Collins
On 04/26/12 10:12 PM, Jim Klimov wrote: On 2012-04-26 2:20, Ian Collins wrote: On 04/26/12 09:54 AM, Bob Friesenhahn wrote: On Wed, 25 Apr 2012, Rich Teer wrote: Perhaps I'm being overly simplistic, but in this scenario, what would prevent one from having, on a single file server, /ex

Re: [zfs-discuss] cluster vs nfs

2012-04-25 Thread Ian Collins
nodes from the server? Much simplier than your example, and all data is available on all machines/nodes. That assumes the data set will fit on one machine, and that machine won't be a performance bottleneck. Aren't those general considerations when specifying a

Re: [zfs-discuss] cluster vs nfs

2012-04-25 Thread Ian Collins
ta is read. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Two disks giving errors in a raidz pool, advice needed

2012-04-22 Thread Ian Collins
ybe even pool loss) while the new drive is resilvering. I would only use raidz for unimportant data, or for a copy of data from a more robust pool. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Improving snapshot write performance

2012-04-11 Thread Ian Collins
On 04/12/12 09:51 AM, Peter Jeremy wrote: On 2012-Apr-11 18:34:42 +1000, Ian Collins wrote: I use an application with a fairly large receive data buffer (256MB) to replicate data between sites. I have noticed the buffer becoming completely full when receiving snapshots for some filesystems

Re: [zfs-discuss] Improving snapshot write performance

2012-04-11 Thread Ian Collins
On 04/12/12 09:00 AM, Jim Klimov wrote: 2012-04-11 23:55, Ian Collins wrote: Odd. The pool is a single iSCSI volume exported from a 7320 and there is 18TB free. Lame question: is that 18Tb free on the pool inside the iSCSI volume, or on the backing pool on 7320? I mean that as far as the

Re: [zfs-discuss] Improving snapshot write performance

2012-04-11 Thread Ian Collins
On 04/12/12 04:17 AM, Richard Elling wrote: On Apr 11, 2012, at 1:34 AM, Ian Collins wrote: I use an application with a fairly large receive data buffer (256MB) to replicate data between sites. I have noticed the buffer becoming completely full when receiving snapshots for some filesystems

[zfs-discuss] Improving snapshot write performance

2012-04-11 Thread Ian Collins
scattered. Is there any way to improve this situation? Thanks, -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] no valid replicas

2012-04-05 Thread Ian Collins
the time, and that's where we are now...). Why is that configuration stupid? Your pool a a stripe of two disk mirrors, not two disk stripes. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/ma

Re: [zfs-discuss] Puzzling problem with zfs receive exit status

2012-03-29 Thread Ian Collins
tly applied to the dataset) but I'm afraid there's some kind of corruption. Does zfs receive produce any warnings? Have you tried adding -v? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send/receive script

2012-03-09 Thread Ian Collins
y to-do list. I have also seen the same issue (a long time ago) and the application I use for replication still has a one second pause between sends to "fix" the problem. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Receive failing with "invalid backup stream" error

2012-03-09 Thread Ian Collins
On 03/10/12 01:48 AM, Jim Klimov wrote: 2012-03-09 9:24, Ian Collins wrote: I sent the snapshot to a file, coped the file to the remote host and piped the file into zfs receive. That worked and I was able to send further snapshots with ssh. Odd. Is it possible that in case of "zfs

Re: [zfs-discuss] Receive failing with "invalid backup stream" error

2012-03-08 Thread Ian Collins
On 03/ 3/12 11:57 AM, Ian Collins wrote: Hello, I am problems sending some snapshots between two fully up to date Solaris 11 systems: zfs send -i tank/live/fs@20120226_0705 tank/live/fs@20120226_1105 | ssh remote zfs receive -vd fileserver/live receiving incremental stream of tank/live/fs

[zfs-discuss] Receive failing with "invalid backup stream" error

2012-03-02 Thread Ian Collins
. Other filesystems that were upgraded yesterday receive fine, so I don't think the problem is directly related to the upgrade. Any ideas? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/lis

Re: [zfs-discuss] zfs diff performance

2012-02-28 Thread Ian Collins
On 02/28/12 12:53 PM, Ulrich Graef wrote: Hi Ian, On 26.02.12 23:42, Ian Collins wrote: I had high hopes of significant performance gains using zfs diff in Solaris 11 compared to my home-brew stat based version in Solaris 10. However the results I have seen so far have been disappointing

[zfs-discuss] zfs diff performance

2012-02-26 Thread Ian Collins
minutes. I haven't tried my old tool, but I would expect the same diff to take a couple of hours. The box is well specified, an x4270 with 96G of RAM and a FLASH accelerator card used for log and cache. Are there any ways to improve diff performance? -

Re: [zfs-discuss] Server upgrade

2012-02-17 Thread Ian Collins
ience. It gets bugfixes and new features sooner than commercial solaris. Solaris 11 express is long gone. You don't just pay them for "An OS". Compare the sensible support pricing for their Linux offering the the ridiculous price for Solaris. -- Ian. _

[zfs-discuss] Strange send failure

2012-02-08 Thread Ian Collins
flags = 24 The source pool version is 31, the remote pool version is 33. Both the source filesystem and parent on the remote box are version 5. I've never seen this before, any clues? -- Ian. ___ zfs-discuss mailing list zfs-discuss@opens

Re: [zfs-discuss] First zone creation - getting ZFS error

2011-12-08 Thread Ian Collins
On 12/ 9/11 11:37 AM, Betsy Schwartz wrote: On Dec 7, 2011, at 9:50 PM, Ian Collins wrote: On 12/ 7/11 05:12 AM, Mark Creamer wrote: Since the zfs dataset datastore/zones is created, I don't understand what the error is trying to get me to do. Do I have to do: zfs create datastore/

Re: [zfs-discuss] Improving L1ARC cache efficiency with dedup

2011-12-08 Thread Ian Collins
g on the stream. Deduplicated streams cannot be received on systems that do not support the stream deduplication feature. Is there any more published information on how this feature works? -- Ian. ___ zfs-discuss m

Re: [zfs-discuss] First zone creation - getting ZFS error

2011-12-07 Thread Ian Collins
eone can point out my error for me. Thanks for your help! You shouldn't have to, but it won't do any harm. If you don't get any further, try zones-discuss. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Confusing zfs error message

2011-11-26 Thread Ian Collins
5': snapshot is cloned It turns out there was a zfs receive writing to the filesystem. A more sensible error would have been "dataset is busy". -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Compression

2011-11-22 Thread Ian Collins
FS all or not all of these bytes are backed by physical storage 1:1. If you use "du" on the ZFS filesystem, you'll see the logical storage size, which takes into account compression and sparse bytes. So the "du" size should be not greater than "ls&q

Re: [zfs-discuss] Hare receiving snapshots become slower?

2011-11-15 Thread Ian Collins
On 11/14/11 04:00 AM, Jeff Savit wrote: On 11/12/2011 03:04 PM, Ian Collins wrote: It turns out this was a problem with e1000g interfaces. When we swapped over to an igb port, the problem went away. Ian, could you summarize what the e1000g problem was? It might be interesting or useful

Re: [zfs-discuss] slow zfs send/recv speed

2011-11-15 Thread Ian Collins
such as filesystems with documents) changes. -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Hare receiving snapshots become slower?

2011-11-12 Thread Ian Collins
On 09/30/11 08:12 AM, Ian Collins wrote: On 09/30/11 08:03 AM, Bob Friesenhahn wrote: On Fri, 30 Sep 2011, Ian Collins wrote: Slowing down replication is not a good move! Do you prefer pool corruption? ;-) Probably they fixed a dire bug and this is the cost of the fix. Could be. I

Re: [zfs-discuss] how to set up solaris os and cache within one SSD

2011-11-11 Thread Ian Collins
On 11/11/11 08:52 PM, darkblue wrote: 2011/11/11 Ian Collins mailto:i...@ianshome.com>> On 11/11/11 02:42 AM, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org <mailto:zfs-discuss-boun...@opensolaris.org> [mailto

Re: [zfs-discuss] how to set up solaris os and cache within one SSD

2011-11-10 Thread Ian Collins
my supported (Oracle) systems, but I've never had problems with my own build Solaris Express systems. I waste far more time on (now luckily legacy) fully supported Solaris 10 boxes! -- Ian. ___ zfs-discuss mailing list zfs-discuss@opensola

Re: [zfs-discuss] Stream versions in Solaris 10.

2011-11-04 Thread Ian Collins
On 11/ 5/11 02:37 PM, Matthew Ahrens wrote: On Wed, Oct 19, 2011 at 1:52 AM, Ian Collins <mailto:i...@ianshome.com>> wrote: I just tried sending from a oi151a system to a Solaris 10 backup server and the server barfed with zfs_receive: stream is unsupported version

Re: [zfs-discuss] Log disk with all ssd pool?

2011-10-27 Thread Ian Collins
spreading your IOPs. I haven't tried an all SSD pool, but I have tried adding a lump of spinning rust as a log to pool of identical dives and it did give a small improvement to NFS performance. -- Ian. ___ zfs-discuss mailing list zfs-di

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