Re: [zfs-discuss] Large scale ZFS deployments out there (>200 disks)

2010-02-26 Thread Alastair Neil
d not clients with the budget to throw hardware at the problem. On Fri, Feb 26, 2010 at 11:59 PM, Richard Elling wrote: > On Feb 26, 2010, at 8:25 PM, Eric D. Mudama wrote: > > On Thu, Feb 25 at 20:21, Bob Friesenhahn wrote: > >> On Thu, 25 Feb 2010, Alastair Neil wrote: > &g

Re: [zfs-discuss] Large scale ZFS deployments out there (>200 disks)

2010-02-25 Thread Alastair Neil
just that reason, but are stymied by this problem. Alastair On Thu, Feb 25, 2010 at 8:39 PM, Bob Friesenhahn < bfrie...@simple.dallas.tx.us> wrote: > On Thu, 25 Feb 2010, Alastair Neil wrote: > > I don't think I have seen this addressed in the follow-ups to your >> me

Re: [zfs-discuss] Large scale ZFS deployments out there (>200 disks)

2010-02-25 Thread Alastair Neil
I don't think I have seen this addressed in the follow-ups to your message. One issue we have is with deploying large numbers of files systems per pool - not necessarily large numbers of disk. There are major scaling issues with the sharing of large numbers of file systems, in my configuration I

Re: [zfs-discuss] CR#6850837 "libshare enhancements to address performance and scalability"

2009-12-09 Thread Alastair Neil
Ditto, and also some estimate of when we can see them in opensolaris. On Wed, Dec 9, 2009 at 11:02 PM, Paul B. Henson wrote: > > I've had a case open for a year or so now regarding the inefficiencies of > having a large number of zfs filesystems, in particular how long it takes > to share/unshar

Re: [zfs-discuss] group and user quotas - a temporary hack?

2009-10-20 Thread Alastair Neil
On Tue, Oct 20, 2009 at 12:12 PM, Matthew Ahrens wrote: > Alastair Neil wrote: > >>However, the user or group quota is applied when a clone or a >>snapshot is created from a file system that has a user or group quota. >> >> "applied to a clone" I u

[zfs-discuss] group and user quotas - a temporary hack?

2009-10-05 Thread Alastair Neil
I am one of the much blessed university users who wishes to provide home directories and web space to thousands of users and is being bitten by abysmal scaling behaviour of zfs, the overhead of creating thousands of zfs files sytems in a pool can takes days to complete. Sharing or unsharing them c

[zfs-discuss] creating a zpool inside a zone with zvols from the global zone

2009-07-09 Thread Alastair Neil
I'm not sure if this is the correct list for this query, however, I am trying to create a number of zpools inside a zone. I am running snv_117 and this is a ipkg banded zone, here is the zone configuration: a...@vs-idm:~$ zonecfg -z vsnfs-02 export > create -b > set zonepath=/rpool/zones/vsnfs-0

Re: [zfs-discuss] can zfs create return with no error code before the mount takes place?

2009-05-15 Thread Alastair Neil
On Fri, May 15, 2009 at 7:08 PM, Bob Friesenhahn < bfrie...@simple.dallas.tx.us> wrote: > On Fri, 15 May 2009, Alastair Neil wrote: > >> >> The crux here is the abysmal scaling of zfs. When the script starts it >> can >> create a new filesystem every 3 secon

Re: [zfs-discuss] can zfs create return with no error code before the mount takes place?

2009-05-15 Thread Alastair Neil
On Thu, May 7, 2009 at 11:24 AM, Alastair Neil wrote: > > > On Tue, Apr 28, 2009 at 2:41 PM, Richard Elling > wrote: > >> Alastair Neil wrote: >> >>> >>> >>> On Tue, Apr 28, 2009 at 12:44 PM, Richard Elling < >>>

Re: [zfs-discuss] can zfs create return with no error code before the mount takes place?

2009-04-28 Thread Alastair Neil
On Mon, Apr 27, 2009 at 6:54 PM, Robert Milkowski wrote: > > Hello Alastair, > > Monday, April 27, 2009, 10:18:50 PM, you wrote: > > Seems or did you confirm it with mount or df command? > > Do you mount it manually then? > >http://milek.blogspot.com > This

Re: [zfs-discuss] can zfs create return with no error code before the mount takes place?

2009-04-27 Thread Alastair Neil
Yes generally the filesystem gets created just that the mount seems not to take place. On Mon, Apr 27, 2009 at 3:41 PM, Robert Milkowski wrote: > Hello Alastair, > > > Monday, April 27, 2009, 7:17:51 PM, you wrote: > > > > > > > > On Tue, Apr 21, 20

Re: [zfs-discuss] can zfs create return with no error code before the mount takes place?

2009-04-27 Thread Alastair Neil
On Tue, Apr 21, 2009 at 12:34 PM, Alastair Neil wrote: > A very basic question. I have in recent releases of opensolaris found that > a script I use to create large number of account home directories has been > failing because the script attempts to create and modify the directories &g

[zfs-discuss] can zfs create return with no error code before the mount takes place?

2009-04-21 Thread Alastair Neil
A very basic question. I have in recent releases of opensolaris found that a script I use to create large number of account home directories has been failing because the script attempts to create and modify the directories after the zfs create only to find that there is no directory. This is in s

Re: [zfs-discuss] possibly a stupid question, why can I not set sharenfs="sec=krb5, rw"?

2009-02-27 Thread Alastair Neil
On Fri, Feb 27, 2009 at 10:59 PM, Alastair Neil wrote: > > > On Fri, Feb 27, 2009 at 10:32 PM, Tim Haley wrote: > >> Alastair Neil wrote: >> >>> x86 snv 108 >>> >>> I have a pool with around 5300 file systems called home. I can do: >>&

Re: [zfs-discuss] possibly a stupid question, why can I not set sharenfs="sec=krb5, rw"?

2009-02-27 Thread Alastair Neil
On Fri, Feb 27, 2009 at 10:32 PM, Tim Haley wrote: > Alastair Neil wrote: > >> x86 snv 108 >> >> I have a pool with around 5300 file systems called home. I can do: >> >> zfs set sharenfs=on home >> >> however >> >> zfs set sharenfs=&

[zfs-discuss] possibly a stupid question, why can I not set sharenfs="sec=krb5, rw"?

2009-02-27 Thread Alastair Neil
x86 snv 108 I have a pool with around 5300 file systems called home. I can do: zfs set sharenfs=on home however zfs set sharenfs="sec=krb5,rw" home complains: cannot set property for 'home': 'sharenfs' cannot be set to invalid options I feel I must be overlooking something elementary. Th

[zfs-discuss] race condition on zfs create and mounting? with snv_107

2009-02-23 Thread Alastair Neil
pool. The script runs correctly initially and then errors start appearing with increasing frequency, but not consistently. The underlying devices of the pool are iscsi volumes so they may not be the fastest pools, however, I have successfully run this script without error on previous ve

[zfs-discuss] issue with sharesmb and sharenfs properties enabled on the same pool

2009-02-02 Thread Alastair Neil
My system is OS 8.11, updated to dev build 105. I have two pools constructed from iscsi targets with around 5600 file-systems in each. I was able to enable NFS sharing and CIFS/SMB sharing on both pools, however, after a reboot the SMB shares comes up but the NFS server service does not and event

Re: [zfs-discuss] zfs create performance degrades dramatically with increasing number of file systems

2009-01-06 Thread Alastair Neil
On Mon, Jan 5, 2009 at 5:27 AM, Roch wrote: > Alastair Neil writes: > > I am attempting to create approx 10600 zfs file systems across two > > pools. The devices underlying the pools are mirrored iscsi volumes > > shared over a dedicated gigabit Ethernet with jumbo fra

[zfs-discuss] zfs create performance degrades dramatically with increasing number of file systems

2008-12-22 Thread Alastair Neil
I am attempting to create approx 10600 zfs file systems across two pools. The devices underlying the pools are mirrored iscsi volumes shared over a dedicated gigabit Ethernet with jumbo frames enabled (MTU 9000) from a Linux Openfiler 2.3 system. I have added a couple of 4GByte zvols from the roo

[zfs-discuss] performance issues with os200811 and zfs

2008-12-12 Thread Alastair Neil
I have been attempting to set up a test server using OS 200811 (rc2) The system is a 4 Gbyte Dell Optiplex 755, which has dual core 2 duo cpus. I created four 10 Gbyte files and two 20Gbyte files under /home using dd from /dev/zero. I then created two zpools; the first I created a stripe of two o

Re: [zfs-discuss] l2arc and flash drives

2008-07-30 Thread Alastair Neil
Thanks very much that's exactly what I needed to hear :) On Wed, Jul 30, 2008 at 12:47 PM, Richard Elling <[EMAIL PROTECTED]>wrote: > Alastair Neil wrote: > >> I've been reading about the work using flash SSD devices for ZIL and cache >> devices. I was wonde

[zfs-discuss] l2arc and flash drives

2008-07-30 Thread Alastair Neil
I've been reading about the work using flash SSD devices for ZIL and cache devices. I was wondering if anyone knows what releases of Opensolaris and Solaris these features are available on? The performance inporvements are pretty dramatic. Alastair ___